Transmission and reception of managing information for multimedia broadcasting/multiple-address service in mobile communication system

FIELD: physics, communication.

SUBSTANCE: to minimise losses of data when the portable terminal reads out a control path of multimedia broadcasting/multiple-address service "MCCH" in reception of data of multimedia broadcasting/multiple-address service "MBMS", the conferring of indication on reception of the driving information of multimedia broadcasting/multiple-address service is transmitted to the portable terminal "MBMS", containing the information of attribute of the driving information for service of multimedia broadcasting/multiple-address service "MBMS". Then the portable terminal samplingly reads out a control path of multimedia broadcasting/multiple-address service "MCCH" to accept the driving information, according to the information of attribute containing in the conferring of indication.

EFFECT: minimisation of number of cycles of reading of logic channel "MCCH" by portable terminal.

43 cl, 4 dwg

 

The technical field to which the invention relates.

[1] the Present invention relates to a multimedia broadcast/multicast service (MBMS" and, in particular, to transmission and reception of control information for a multimedia broadcast/multicast service MBMS".

The level of technology

[2] Universal mobile telecommunications system UMTS is a mobile communication system of the third generation, evolved from global system for mobile communications (GSM), which is the European standard. Universal mobile telecommunications system UMTS is intended to provide improved mobile communication services based on the basic GSM network and broadband multiple access code division of channels.

[3] Structure 1 known universal mobile telecommunications system UMTS is shown in figure 1. As shown in the drawing, the mobile terminal 2 or the user equipment "UE" is connected to a core network 4 "CN" through "UTRAN" - ground network 6 radio access universal mobile telecommunications system UMTS". Terrestrial radio access network from 6 "UTRAN configures channel radio access, provides support and manages them in order to provide data exchange between the mobile terminal 2 "UE and core network 4 and Costigan the I corresponding quality of service across the end-to-end communication channel.

[4] Terrestrial radio access network from 6 "UTRAN" includes several radioslave subsystems 8 "RNS", each of which contains a single controller 10 refers to "RNC" for multiple base stations or wireless base stations 12 - "Nodes". The controller 10 refers to "RNC", connected to the base station 12, the controller 10 refers to "RNC", functioning as a distribution and control in relation to the overall resources available to any number of terminals 2 "UE", working in the same cell. In the base station Node has one or more cells. The main controller 10 refers to "RNC manages traffic information, controls the overload of the cells and the acceptance of a new network of radio channels. Each base station 12 "Node" may receive a signal on the rising channel from the mobile terminal 2 and to transmit signals on its downward channel to the terminal 2 "UE". Each base station 12 "Node" serves as an access point providing terminal 2 "UE" the ability to connect to terrestrial networks 6 radio access "UTRAN", and the controller 10 refers to "RNC" serves as an access point, connecting the respective base stations "Node In the" core network 4.

[5] among the subsystems 8 radio network terrestrial network 6 wireless access "UTRAN" service controller 10 refers to "RNC" is from the first controller 10 refers to "RNC", managing the allocated radio resources for the purpose of providing services to a particular terminal 2 "UE", it is the access point to the core network 4 to send data to a specific terminal "UE". All other controllers 10 radio "RNC", connected to the terminals 2 "UE"are drift controllers 10 radio "RNC", so that only one service controller 10 refers to "RNC" connects the terminal UE" to the underlying network 4 via terrestrial radio access network from 6 "UTRAN". Drift controllers 10 radio "RNC" facilitate the routing of user data and distribute codes as a shared resource.

[6] the Interface between the terminal 2 "UE" and terrestrial radio access network from 6 "UTRAN" implemented by the air interface Protocol, established in accordance with the specifications of the radio access network, characterized by the physical layer (L1), the data link layer (L2) and network level (L3), described, for example, in the specifications of the "Project on cooperation with third generation 3GPP". These levels are based on the lower three levels of the model of the future interconnection of open systems (OSI), is well known in communication systems.

[7] Known technical solution structure of the interface Protocol radio is illustrated in figure 2. As shown in the drawing, the interface Protocol radio communication is divided horizontally at the physical level, the level of the data link and network layer, and the vertical axis on the plane of the user, intended for transmission of stream data, such as voice signals and packet data Protocol of the Internet, and a control plane for transmitting control information for maintenance and management interface.

[8] the Physical layer (PHY) provides a service for the transmission of data to the upper level and through the transport channels associated with level access control environment "MAC". Level access control environment "MAC and the physical layer to communicate via the transport channel. In addition, through the physical channel data being transferred between different physical layers, namely, between physical layers of a transmitting side (transmitter) and a receiving side (receiver).

[9] the access control environment "MAC" second level control provides delivery services to the upstream control channel "RLC" of the second level control via a logical channel. Level control channel "RLC" of the second level (L2) supports the transmission of reliable data and can perform the functions of segmentation and concatenation (serial connection) service data units "SDU" control channel "RLC", taken from upstream level.

[10] the Level control radioiso is yourself "RRC", located in the lower part of the third level (L3), is defined only in the control plane, he manages the transport channels and physical channels in relation to the establishment, reconfiguration and release of radio channels. Channel "RB" is a service provided downstream levels, such as level control channel "RLC" or level access control environment "MAC"to transfer data between the mobile terminal 2 "UE" and terrestrial radio access network from 6 "UTRAN".

[11] When creating a channel determined by the control characteristics of the hierarchical level and a channel required for providing a specific service, allowing you to specify the parameters and operating procedures of the service. When a connection is established with the aim of ensuring the data transfer between the level of radio resource management "RRC" of the mobile terminal 2 "UE" and the level of radio resource management "RRC" terrestrial network 6 wireless access "UTRAN", saying that the mobile terminal UE" 2 "RRC connection". Without such a connection, the mobile terminal 2 "UE" is in a wait state.

[12] Consider now a multimedia broadcast/multicast service ("MBMS" or "MBMS service"). Multimedia broadcast/multicast service "MBM" is a way of supplying a stream or background services to multiple mobile terminals 2 "UE", using the downward channel is a multimedia broadcast/multicast service, which is used, at least one multicast channel connection per subscriber with multiple and one channel of direct communication. One service is a multimedia broadcast/multicast service MBMS includes one or more communication sessions, and the data of the multimedia broadcast/multicast service MBMS to be transferred to more than one terminal through the radio channel multimedia broadcast/multicast service (hereinafter "channel-MBMS") only during the session.

[13] As the name implies, multimedia broadcast/multicast service (MBMS can be carried out both in the broadcast and multicast mode. Broadcast mode provides for the transfer of multimedia data to all mobile terminals 2 "UE" in the area of broadcast, for example, on the territory, where available broadcasting. Multicast mode is a service for the transmission of multimedia data only to a particular group of mobile terminals 2 "UE"in the zone multicast, such as on-site, accessible to a multicast service.

[14] Terrestrial radio access network from 6 "UTRAN" provide the place the service is a multimedia broadcast/multicast service MBMS mobile terminal 2 "UE", using the radio channel. The radio channels used by terrestrial radio access network from 6 "UTRAN", can be classified as direct radio communications or radio multicast communication connection per subscriber with several. The direct communication channel is a bidirectional channel that contains the logical channel DTCH" - selected information channel, transport channel DCH" - a dedicated channel, physical channel DPCH" - dedicated physical channel, or channel SCCPCH second shared physical control channel.

[15] Channel multicast connection is a unidirectional downlink radio channel that contains the logical channel "MTCN" - information channel multimedia broadcast/multicast service; transport channel FACH - channel direct access; and a physical channel SCCPCH second shared physical control channel. Logical channel MTSN" is configured for each service multimedia broadcast/multicast service MBMS provided by a single cell, and is used to transmit the user plane data of a specific service multimedia broadcast/multicast service MBMS" to the mobile terminal 2 "UE".

[16] Terrestrial radio access network from 6 "UTRAN, providing a multimedia broadcast/m is goudronnage service "MBMS", transmits control information associated with a multimedia broadcast/multicast service (MBMS", several terminal 2 "UE" across the channel "MSN" - (channel control multimedia broadcast/multicast service). Here the logical channel "MSN" is a downward channel multicast communication, which is displayed in the channel of direct access "FACH"is displayed in the physical channel SCCPCH". Control information associated with a multimedia broadcast/multicast service (MBMS", includes information about the beginning of the session, which indicates the beginning of service and multimedia broadcast/multicast service MBMS", information about the end of the session, indicating the completion of the services multimedia broadcast/multicast service MBMS indicator of the type of channel that indicates whether the service is a multimedia broadcast/multicast service MBMS through the channel of direct communication or through the radio channel multicast communication, the information about the radio channel to provide information about the multicast channel of communication, such as a logical channel MTSN"if the radio channel is a multicast channel of communication, data calculation, to determine the number of terminals desiring to receive the service multimedia Shi is acoustilog/multicast service MBMS", and data re-counting in terms of the number of terminals that wish to receive service is a multimedia broadcast/multicast service MBMS", when providing services multimedia broadcast/multicast service MBMS".

[17] the Control information associated with a multimedia broadcast/multicast service (MBMS", can be included in the message and passed in its composition, or may be completely included in a single control message of multimedia broadcast/multicast service MBMS". To communicate control information associated with a multimedia broadcast/multicast service MBMS", uses the logical channel "MSN". The mapping of logical channel MSN is analogous to the mapping of logical channel MTSN". That is, the logical channel "MSN" is a downward channel multicast connection per subscriber with multiple and displayed in a transport channel direct access "FACH", which is displayed in the secondary shared physical control channel "SCCPCH". For reference: for one service, there is only one logical channel MTSN", whereas for a single cell, there is only one logical channel MSN".

[18] the Terminal 2 "UE", person p is inimate service multimedia broadcast/multicast service MBMS", must first obtain control information of a multimedia broadcast/multicast service MBMS through a logical channel MSN". However, since the terminal 2 when the multimedia broadcast/multicast service (MBMS can take only one physical channel SCCPCH"", and a logical channel MSN" is passed through another physical channel SCCPCH"that is not associated with the logical channel "MTCN", the terminal is not able to accept the logical channel "MSN if the terminal has already received one or more services multimedia broadcast/multicast service MBMS".

[19] a Message indicating reception of control information of a multimedia broadcast/multicast service MBMS (a message indicating the logical channel "MSN"), is used to display information to a terminal, receiving one or more services multimedia broadcast/multicast service MBMS", i.e. the receiving logical channel MTSN". A message indicating the logical channel "MSN" is transmitted through a physical channel SCCPCH". Logical channel MTSN" is also transmitted through the physical channel SCCPCH". So as to accept data of the multimedia broadcast/multicast service MBMS", the mobile terminal 2 receives a physical channel SCCPCH". The terrestrial network 6 for the access LJTRAN transmits a message indicating the logical channel "MSN" through the physical channel SCCPCH" that the mobile terminal 2 can receive the control information transmitted via a logical channel MSN". In this case, a message indicating the logical channel "MSN" can be transmitted via a logical channel MTSN", which takes the mobile terminal 2, or through an auxiliary channel, for example, the secondary logical channel control multimedia broadcast/multicast service (secondary logical "S-MCCH)and a secondary logical channel "S-MCCH is displayed in the same physical channel SCCPCH"that and a secondary logical channel "MTCN". The secondary logical channel "S-MCCH" is an arbitrary channel, which may be a dedicated channel, for example, a dedicated control channel "DCCH", the common channel, for example, a common control channel "SSN", or a new dedicated or shared channel. Regardless of which channel is used, information indicating the logical channel "MSN" is transmitted through the same physical channel SCCPCH", which appears logical channel MTSN".

[20] the Message display logical channel "MSN" is a 1-bit message display. When a particular control information is transmitted via a logical channel MSN", the message indicating the logical channel "MSN" is used to indicate that the mobile terminal 2 who should take the control information. That is, when the mobile terminal 2 receives a message indicating the logical channel "MSN" in the process of receiving logical channel MTSN", the mobile terminal 2 is switched from the physical channel SCCPCH", through which is passed a Boolean channel MTSN", on a physical channel SCCPCH", through which is passed a Boolean channel MSN", and receives control information of a multimedia broadcast/multicast service MBMS", transmitted through the logical channel "MSN". After the mobile terminal 2 will take the necessary control information of a multimedia broadcast/multicast service MBMS through a logical channel MSN", the mobile terminal 2 is switched to a physical channel SCCPCH", which appears logical channel MTSN", and takes the logical channel "MTCN".

[21] In a known message indicating the logical channel "MSN" 1-bit message display indicates only the mobile terminal 2, which is supposed to make the channel MSN. This method has the advantage that the amount of transmission of the message display can be maximized. However, the known message indicating the logical channel "MSN" also has the following problems. First, the mobile terminal 2 does not know, what services specifies the message indicating the logical channel "MSN". Sledovatel is but the mobile terminal 2 may receive a message indicating MSN without the need, even in the case where control information is transmitted for a service that the mobile terminal does not wish to accept.

[22] in Addition, the mobile terminal 2 does not know what the control information specifies a message indicating the logical channel "MSN to accept it. Therefore, when continuously transmits various types of control information, the mobile terminal 2 does not know what kind of control information to take and, in addition, does not know what time must again be taken to the logical channel "MTCN". In addition, if the same control information is resubmitted several times, the mobile terminal 2 will be without having to re-take already adopted control information.

[23] Thus, in the known technical solution, the mobile terminal 2 often takes the logical channel "MSN" unnecessarily. This creates a problem: when the mobile terminal 2 receives the logical channel "MSN", he can't take the logical channel "MTCN". Therefore, the data of the multimedia broadcast/multicast service MBMS" is lost. Accordingly, when the mobile terminal 2 reads more logical channels "MSN", loss of data of the multimedia broadcast/mnogoj the red service "MBMS" increase. So you need a way to minimize the number of cycles of the read logical channel "MSN mobile terminal 2.

The invention

Technical problem

[24] In the present invention proposes a method of transmitting and receiving control information of a multimedia broadcast/multicast service MBMS".

Technical solution

[25] Additional features and advantages of the present invention will be set forth in the following description and will be clear from the description or may be learned through practical application of the invention. The objectives and other advantages of the present invention will be realized and attained by using patterns, in particular as disclosed in the written description and claims and the attached drawings.

[26] To achieve these and other described advantages embodied in accordance with the present invention, the present invention is implemented in the way of receiving services multicast communication in a wireless communication system, which includes: receiving message display control information for multicast communication, the message display control information includes attribute information that is designed to receive at least one message control information from multicast to the cash management where the message display control information and at least one message control information are multicast messages generated on the same Protocol level; determine for receiving at least one message control information in accordance with the attribute information, and receive at least one message control information through a multicast control channel, if the mobile terminal decides to take at least one message control information. If the mobile terminal determines that it will take at least one message control information, the mobile terminal does not accept at least one message control information.

[27] In accordance with one aspect of the present invention, the operation of determining receiving at least one message control information in accordance with the attribute information includes the update check at least one message control information for multicast services, which signed this mobile terminal, based on the message display control information, and the definition of receiving at least one message control information, if at least one message control information is updated.

[28] the Method further comprises switching the previously received information channel on the multicast control channel to receive the message control information. Preferably, the method includes switching from the previously received information channel on the multicast control channel after the decision to take at least one message control information. The method also includes processing at least one message control information and the switching from the multicast control channel information to the channel for receiving multicast services.

[29] In accordance with another aspect of the present invention, the attribute information contains the identifier of the multicast service ID associated with the multicast service. In addition, when determining to accept at least one message control information in accordance with the attribute information, checks the identifier of the multicast service ID, if the ID of the multicast service ID included in the attribute information, and determine what message control information should be taken from the multicast control channel, if the identifier of the multicast service ID associated with the multicast service, which signed this mobile terminal.

[30] If the identifier of the multicast service is not associated with a multicast service, which signed this mobile terminal, the mobile terminal continues to receive information channel, previous PE the units receiving message display control information. Information channel can be multicast information channel or news channel of direct communication.

[31] Preferably, the attribute information includes at least one of the following: the ID of the control information associated with at least one message control information, the update information associated at least one message control information, and information about the timing associated with the multicast service. Update information indicates information pack at least one message control information for multicast services.

[32] Information on the timing indicates which part of the multicast control channel should be taken. Preferably information about the timing specifies the start time of reception of the multicast control channel. The mobile terminal can receive the multicast control channel for some period of time in accordance with information about the timing. In the alternative case, the mobile terminal stops receiving multicast control channel at the time of termination in accordance with information about the timing.

[33] In accordance with another aspect of the present invention the method further includes checking the ID of the control is her information, if the ID of the control information included in the attribute information, and receiving at least one message control information, if the ID of the control information associated with the mobile terminal.

[34] In accordance with one aspect of the present invention, the method includes checking information about the update, if the update information included in the attribute information, the comparison of the update information with previously stored information about the update, and receive at least one message control information if no information about the update was not previously stored in memory, or if the update information is different from previously stored information about the update.

[35] In accordance with another aspect of the present invention, the method includes checking information about timing, if the timing is included in the attribute information, and receiving at least one message control information in accordance with the time interval specified in the information about the timing.

[36] Preferably, the message display control information is received via the logical channel "MTCN", the message display control information is received through the secondary logical channel "S-MSN", a multicast control channel I which is a logical channel MSN", and information channel is a logical channel MTSN".

[37] In accordance with another embodiment of the present invention a method of transmitting a multicast service in a wireless communication system includes: transmitting the message display control information for the multicast service to the mobile terminal, and the message display control information contains information about the attribute, for transmitting at least one message control information through a multicast control channel, where the message display control information and at least one message control information are multicast messages generated on the same Protocol level, and sending at least one message control information through a multicast the control channel.

[38] In accordance with one aspect of the present invention, the mobile terminal determines to receive at least one message control information, checks the update, at least one message control information for multicast services, which signed this mobile terminal, based on the message display control information, and determines to take at least one message control information, if the updated at least one message management is managing information.

[39] In accordance with another aspect of the present invention, the mobile terminal determines to receive at least one message control information in accordance with the information of the attribute, where the attribute information includes the identifier of the multicast service ID associated with the multicast service.

[40] the Method of determining the mobile terminal receiving at least one message control information in accordance with the attribute information includes checking the identifier of the multicast service ID, if the ID of the multicast service ID included in the attribute information, and determining what the message control information should be taken from the multicast channel, if the identifier of the multicast service ID associated with the multicast service, which signed this mobile terminal.

[41] If the identifier of the multicast service ID is not associated multicast service, which signed this mobile terminal, the mobile terminal continues to receive information channel, taken earlier before receiving message display control information. Preferred information channel is a multicast information channel or the news channel of direct communication.

[42] In accordance with one aspect of the present invention, the information and what the attribute includes, at least one identifier of the control information associated with at least one message control information, the update information associated at least one message control information, and information about the timing associated with the multicast service. Information about the upgrade reflects the information pack at least one message control information for multicast services.

[43] Information on the timing indicates the part of the multicast channel must be accepted by the mobile terminal. In addition, information about the timing specifies the start time of the multicast control channel. Preferably, the network transmits information of a multicast control channel during the time period in accordance with information about the timing. In the alternative case, the network stops the transmission of information from a multicast control channel at the time of completion of data transmission in accordance with information about the timing.

[44] In accordance with another aspect of the present invention a method for determining a mobile terminal receiving at least one message control information in accordance with the attribute information includes the checking of the ID management information, if the ID of the control information including the Yong in the attribute information, and receiving at least one message control information, if the ID of the control information associated with the mobile terminal.

[45] In accordance with another aspect of the present invention a method for determining a mobile terminal receiving at least one message control information in accordance with the attribute information includes verification information about the update, if the update information included in the attribute information, comparing information about upgrading from a previously saved in memory information about the update, and receive at least one message control information if no information about the update was not previously stored in memory, or update information differs from the information previously stored in memory.

[46] In accordance with another aspect of the present invention a method for determining a mobile terminal receiving at least one message control information in accordance with the attribute information includes verification information about the timing, if the timing is included in the attribute information, and receiving at least one message control information in accordance with the time interval specified information about the timing.

[47] Preferably, the message display control information is transmitted via a logical channel MTSN", the message display control information is transmitted through the secondary logical channel "S-MSN", and a multicast control channel is a logical channel MSN", and the information channel is a logical channel MTSN".

[48] it Should be understood that the preceding General description and following detailed description considered in the examples are illustrative and are intended to further explain the invention, reflected in the claims.

Description of the drawings

[49] the Accompanying drawings are included in the description to provide a better understanding of the invention and forming an integral part of this specification, illustrate embodiments of the present invention and together with the description serve to explain the principles of the invention. Technical features, elements, and aspects of the invention denoted by the same numbers in different drawings represent the same, equivalent or similar technical features, elements, and aspects in accordance with one or more variants of implementation of the present invention.

[50] figure 1 shows the block diagram of a known structure of a wireless communication system.

[51] figure 2 presents the structure of the known Protocol radio interface between the terminal UE and terrestrial radio access network from 6 "UTRAN" on the basis of t is hanicheskih requirements of the radio access network.

[52] Figure 3 illustrates a known technical solution display channels for services multimedia broadcast/multicast service MBMS for mobile terminal.

[53] Figure 4 illustrates a scheme of selective transmission and reception of control information for a multimedia broadcast/multicast service MBMS in accordance with one example implementation of the present invention.

Examples of carrying out the invention

[54] the Present invention relates to a method of minimizing data loss in the mobile terminal due to the fact that he reads without having a logical channel MSN" for receiving control information of a multimedia broadcast/multicast service MBMS" during data receiving multimedia broadcast/multicast service MBMS". For this purpose, the present invention proposes a method of creating a message indicating reception of control information of a multimedia broadcast/multicast service MBMS message indicating the logical channel "SSN") and a corresponding method of receiving control information of a multimedia broadcast/multicast service MBMS" with its use.

[55] Although the present invention is considered on the example of its application in mobile is the first communication system, such as universal mobile telecommunications system UMTS", developed on the basis of the 3GPP specification, the present invention can also be applied in the communication system operating in accordance with other specifications.

[56] In accordance with a preferred embodiment of the present invention, a message indicating the logical channel "MSN" contains the ID of the service to determine for which service is transmitted control information, and the message ID of the level of radio resource management - (message ("CCF") to determine what type of control information is transmitted. In addition, a message indicating the logical channel "MSN contains information about upgrading to specify whether passed at the moment, the message indicating the logical channel "MSN or transmitted in the moment through the logical channel "MSN" control information (message "RRC") new, upgraded or previously transmitted information. A message indicating the logical channel "MSN" also contains information about the timing to specify time intervals for receiving logical channel "MSN".

[57] Preferably, the message indicating the logical channel "MSN" is transmitted via a logical channel MTSN"taken by the mobile terminal, or via a secondary logs the mini-channel S-MCCH", displayed in the physical channel SCCPCH, which gives this logical channel MTSN". A message indicating the logical channel "MSN" may contain at least one service identifier, a message identifier "RRC", information about the updates and information about the timing.

[58] message-ID RRC" contains information about the beginning of the session, designed to indicate the start of services multimedia broadcast/multicast service MBMS", information about the termination of the session, designed to indicate the end of the service multimedia broadcast/multicast service MBMS indicator of the type of radio that is designed to specify, via radio what type of services are available multimedia broadcast/multicast service MBMS", information on a radio channel, designed to provide information about broadcast radio, for example, on the channel "MTCN"if you are using the radio type a multicast channel information of the count, designed for counting the number of terminals desiring to receive the service is a multimedia broadcast/multicast service MBMS", when providing services multimedia broadcast/multicast service MBMS".

[59] Information about the update is wigmaker with a numeric value, intended for informing the mobile terminal UE" on the novelty of the sent message indicating the logical channel "MSN" or message "RRC". Information about the update can be divided into two types. One type defines the information about the update associated with the message indicating the logical channel "MSN". Another type defines the information associated with the message "RRC". It is noteworthy that the mobile terminal operates differently depending on the type of information about the update.

[60] If the information about the update is the update information associated with the message indicating the logical channel "MSN", the mobile terminal stores information about the update message indicating the logical channel "MSN" every time when receiving a message indicating a logical channel MSN". In addition, when receiving a message indicating a logical channel MSN", the mobile terminal compares the received update information included in the message display logical channel "MSN", with previously stored information about the update. If no update information is not stored in memory or if the two data are different from each other, the mobile terminal determines that adopted in the moment, information about the update is new and the formation. However, if two about the update are the same, the mobile terminal determines that adopted in the moment, information about the update is the same as the previously stored information about the update.

[61] If the information about the update is the update information associated with the message, "RRC", the message indicating the logical channel "MSN" contains the ID of the message "RRC" and information about the update. When the terminal receives a message indicating the logical channel "MSN", it stores the relevant information about the update for each message "RRC". In addition, if one accepts a new message indicating the logical channel "MSN", the terminal compares the received information about the update with the message ID "RRC" with previously stored information about the update. If no update information is not stored in the memory or two about the update are different from each other, the mobile terminal determines that the currently received information about the update is the new information. However, if these two information about the update is the same, the mobile terminal determines that the currently received information about the update is the same as the previously stored update information./p>

[62] Information on the timing indicates information associated with time intervals of receiving logical channel "MSN mobile terminal. Information about the time intervals may contain at least one of the following: the start time of reception of the logical channel "MSN", the end time of reception and the time interval of the reception. Information about the time intervals may be General information timing, information about frames and slots.

[63] If the service ID included in the message display logical channel "MSN", the mobile terminal checks the service ID. If the service ID is not associated with the mobile terminal or a service that the mobile terminal receives in the moment, or willing to accept, the mobile terminal does not take into account the received message indicating the logical channel "MSN" and continues to accept the logical channel "MTCN". However, if the service identifier corresponds to a service multimedia broadcast/multicast service MBMS", accepted at the moment, or that the terminal desires to receive, the mobile terminal receives the control information transmitted via a logical channel MSN", by switching a channel receiving the logical channel "MTCN" logical channel "MSN".

[64] If the identifier soo is the value of "RRC" included in the message display logical channel "MSN", the mobile terminal checks the message ID "RRC". Then, the mobile terminal switches the channel receiving the logical channel "MTCN" logical channel "MSN"to specifically accept the control information specified by the message ID "RRC", among all the control information transmitted via a logical channel MSN".

[65] If the update information included in the message display logical channel "MSN", the mobile terminal checks whether the received message indicating a new message by comparing the received information about the update with the previously stored information about the update. If the received update information is exactly the same as the previously stored update information, the mobile terminal determines that the received message indicating the logical channel "MSN" is the same as the previously received message indicating the logical channel "MSN".

Accordingly, the mobile terminal does not take into account the received message indicating the logical channel "MSN" and continues the reception of the logical channel "MTCN". However, if no update information has not been previously stored in memory or previously stored in memory, the update information is different from that adopted in the moment, information about Obnovlenie is, the mobile terminal stores the newly received information about the update and receives control information transmitted via a logical channel MSN" by switching the channel receiving the logical channel "MTCN" logical channel "MSN".

[66] in Addition, if information about the timing included in the message display logical channel "MSN", the mobile terminal receives the logical channel "MSN" by switching the channel receiving the logical channel "MTCN" logical channel "MSN" during the time interval specified in the accepted information about the timing. If the information about the timing includes the time for the start of the reception, the mobile terminal starts receiving logical channel "MSN", starting at the specified start time. If the information about the timing includes the time after the reception, the mobile terminal stops receiving logical channel "MSN" at the specified end time. If the information about the timing includes the time interval of the reception, the mobile terminal receives the logical channel "MSN" within a specified time interval reception.

[67] Preferably, the message indicating the logical channel "MSN contains at least one of the following: service ID, the message ID "RRC", update information, or information about the device is the same. If at least one of these items of information included in the message display logical channel "MSN", the mobile terminal receives the control information to perform separate operations on each element of the information as described above.

[68] for Example, if a message indicating a logical channel MSN" contains the service ID and the message ID "RRC", the mobile terminal checks the service ID. If the received service ID is not associated with the mobile terminal, the terminal ignores the received message indicating the logical channel "MSN" and continues the reception of the logical channel "MTCN". However, if the received service ID is a service identifier of the multimedia broadcast/multicast service MBMS", accept the mobile terminal, or that he wants to take, the terminal switches from a logical channel MTSN" logical channel "MSN to receive control information transmitted via a logical channel MSN". When the terminal receives the control information specified by the message ID "RRC" in the midst of all control information transmitted via a logical channel MSN", the mobile terminal operates according to the corresponding control information.

[69] If the service ID and the information about about the Oleniy included in the message display logical channel "MSN", the terminal checks the service ID. If the received service ID is not associated with the mobile terminal, the terminal ignores the received message indicating the logical channel "MSN" and continues the reception of the logical channel "MTCN". However, if the received service ID is a service identifier of the multimedia broadcast/multicast service MBMS", accept the mobile terminal, or which he wishes to accept, the terminal further checks information about the update. If the received update information is the same as the previously stored information about the update, the terminal ignores the received message indicating the logical channel "MSN" and continues the reception of the logical channel "MTCN". However, if no information about the update in memory is not stored or previously stored information is different from that adopted in the moment, information about the update, the terminal stores the newly received information about the update. Then, the mobile terminal receives the control information transmitted via a logical channel MSN", by switching the logical channel "MTCN" logical channel "MSN".

[70] If the message indicating a logical channel MSN" contains the ID of the message "RRC" and for information about updating the terminal checks whether the received message indicating the logical channel "MSN" or the message "RRC"to be transferred through the logical channel "MSN", new message by comparing the received update information with previously stored information about the update. If the received information about the update was the same as the previously stored update information, the mobile terminal ignores the received message indicating the logical channel "MSN" and continues the reception of the logical channel "MTCN". However, if no update information is not stored or previously stored in memory, the update information is different from that adopted in the moment of update information, the mobile terminal stores the newly received update information associated with the message indicating the logical channel "MSN" or the message "RRC". Then, the mobile terminal switches from a logical channel MTSN" logical channel "MSN to receive control information transmitted via a logical channel MSN". When the mobile terminal receives the control information specified by the message ID "RRC", among all the control information transmitted via a logical channel MSN", the terminal performs subsequent operations according to the relevant information driven the I.

[71] As described above, the present invention is illustrated, where the message indicating the logical channel "MSN" contains, among other things, the service ID, the message ID "RRC" and information about the update. However, the present invention can be easily applied in a variant, where the message indicating the logical channel "MSN" contains, among other things, two or three service identifier, the message "RRC", information about the updates and information about the timing, and the mobile terminal separately performs a corresponding operation in relation to each item of information and, accordingly, the control information.

[72] In accordance with a preferred embodiment of the present invention a method of selective transmission and reception of control information for a multimedia broadcast/multicast service MBMS" is illustrated in the drawing in figure 4. As shown in the drawing, while the mobile terminal 50 "UE" is the first service is a multimedia broadcast/multicast service MBMS"-"MBMS1", starts the second service is a multimedia broadcast/multicast service MBMS"-"MBMS2". Accordingly, the terrestrial network 100 radio access "UTRAN" informs the mobile terminal 50 of the beginning of the second session services mu is timeing broadcast/multicast service MBMS". Here, the message indicating the logical channel "MSN" contains the service ID, the message ID "RRC", information about the updates and information about the timing.

[73] the Terminal 50 receives data services multimedia broadcast/multicast service "MBMS1" at levels L1/L2 through the logical channel "MTCN" (operation S10). The level of radio resource management "RRC" terminal receives a message indicating the logical channel "MSN" through the logical channel "MTCN or secondary logical channel "S-MCCH" during the reception data services multimedia broadcast/multicast service "MBMS1" (operation S11). Here, the message indicating the logical channel "MSN" is a message to indicate the reception of control information for a multimedia broadcast/multicast service "MBMS2". At the same time, it is assumed that the service ID is set to "2"and the ID of the message "RRC" indicates the start of the session. And the service ID, and the ID of the message "RRC" is transmitted through a message indicating the logical channel "MSN".

[74] the Mobile terminal 50 checks the service ID and determines whether the service is a multimedia broadcast/multicast service "MBMS2" service that the mobile terminal 50 wants p is inate. If the service is a multimedia broadcast/multicast service "MBMS2" is a service that the mobile terminal 50 is willing to accept, the terminal checks the information about the update to determine whether control information, transferable, new, and whether to accept the logical channel "MSN" (operation S12). If it is determined that the logical channel "MSN" should be taken, the level of radio resource management "RRC" terminal 50 instructs lower level, for example, the physical layer "NPC"/level access control environment "MAC"/level control channel "RLC" (L1/L2), for switching the received channel logical channel "MTCN" logical channel "MSN" in the time specified information about the timing (operation S13). In accordance with the level of radio resource management "RRC" terminal below the levels switch the channel to be received logical channel MTSN" logical channel "MSN" (operation S14). Further, since the logical channel "MTCN" logical channel "MSN" appear in various physical channels "SCCPCH", switches and physical channel.

[75] After that, the level of radio resource management "RRC" terminal continuously receives the message "RRC", specified by the message ID "RRC", through logiteck the th channel "MSN" (operation S15). Preferably the level of radio resource management "RRC" terminal receives a message about the beginning of the session services multimedia broadcast/multicast service "MBMS2".

[76] After receiving the information about the beginning of the session services multimedia broadcast/multicast service "MBMS2" radio resource control "RRC" terminal determines whether to continue to accept the service multimedia broadcast/multicast service "MBMS1 or service is a multimedia broadcast/multicast service " MBMS2". In this case, the user is informed about the beginning of the session services multimedia broadcast/multicast service "MBMS2", and in accordance with the decision of the user determines the subsequent operation (operation S16). In this embodiment, it is assumed that the user wishes to accept the service multimedia broadcast/multicast service " MBMS2".

[77] because the user determines to accept a new service multimedia broadcast/multicast service "MBMS2", the level of radio resource management "RRC" terminal instructs lower level, for example the physical layer "PHY"/level access control environment "MAC"/level control channel "RLC" for switching the received channel logical channel MSN" logical channel "MTCN" (operation S17). Accordingly, lower levels switch the channel to be received logical channel MSN" logical channel "MTCN" so that the mobile terminal 50 (terminal UE levels L1/L2) can receive data services multimedia broadcast/multicast service "MBMS2" at levels L1/L2 through the logical channel "MTCN".

[78] As described before, the method of transmitting and receiving control information for a multimedia broadcast/multicast service MBMS in accordance with the present invention has many advantages. For example, if the terminal receives a message indicating reception of control information of a multimedia broadcast/multicast service MBMS (a message indicating the logical channel "MSN") during the reception of one or more services multimedia broadcast/multicast service MBMS", the service ID, the message ID "RRC" and the update information included in the message indicating reception of control information of a multimedia broadcast/multicast service MBMS", are checked to determine whether to accept the logical channel "MSN". This prevents unnecessary reception of the mobile terminal logical channel "MSN", when control information to be pickup is through the logical channel "MSN", already adopted mobile terminal, or when control information to be accepted, corresponds to a service that is not associated with the given mobile terminal. Accordingly, it is possible to reduce the loss of data of the multimedia broadcast/multicast service MBMS" because of unnecessary admission logical channel "MSN".

[79] in Addition, information about the timing included in the message indicating reception of control information of a multimedia broadcast/multicast service MBMS and is transmitted together with him. This prevents the reception of the mobile terminal logical channel "MSN" for too long time. Therefore, further reduces the loss of data of the multimedia broadcast/multicast service (MBMS".

[80] Although the present invention is described in the context of mobile communication, it can also be used in many wireless communication systems using mobile devices, such as PDAs and laptop computers equipped with wireless communication functions. In addition, the use of certain terms to describe the present invention should not limit the scope of the present invention wireless communication systems of a particular type, such as universal mobile telecommunications system "UMTS". This is th invention is also applicable to other wireless communication systems, using different wireless interfaces and/or physical layers, for example, TDMA (multiple access with time division), CDMA (multiple access code division multiple access), FDMA (multiple access frequency division), WCDMA (wideband multiple access division multiplexing), etc.

[81] the Preferred embodiments of the present invention can be implemented as a method, device, or industrial products using standard programming and/or hardware, to produce software, firmware, hardware or any combinations thereof. The term "industrial products", as used here, refers to the built-in programs or logical element, implemented in hardware logic (e.g., integrated circuit, programmable gate array (FPGA), a specialized integrated circuit (ASIC), etc) or computer storage media [e.g., media, magnetic storage medium (e.g. hard disks, floppy disks, tape drives, and so on), an optical storage device (compact discs (CD-ROM), optical disks, and so on), volatile and non-volatile storage device (for example, EEPROM - electronically-programmable permanent memory device), OM (permanent memory (ROM)), PROM (programmable permanent memory (EPROM)), RAM (random access memory device (RAM)), DRAM (dynamic RAM), SRAM (static RAM), firmware, programmable logic, etc.)].

[82] the Embedded software on machine-readable media accessible to the processor and can be fulfilled. Built-in programs that implement the preferred embodiments of the present invention, can be accessed through any medium or via a network file server. In such cases, industrial product, which uses machine programs that may contain medium, such as a transmission line network, wireless communications, propagation of signals through space, radio waves, infrared signals, etc, of Course, a specialist in the art is aware that this configuration can be done many modifications without leaving the scope of the present invention, and that the industrial product may contain any known in the art media.

[83] the Above-described embodiments of and the advantages are for example and are not considered as limiting the present invention. The above situation can be easily applied to other types of devices. The description of the present invention R is smachivaetsya as illustrative and does not limit the scope of the claims. To a person skilled in the art it is obvious that there are many other solutions, modifications and changes. In the claims additional items designed to cover the structures described herein as performing the above functions, not only structural equivalents, but also as equivalent structures

1. The way of reception by the subscriber multicast services in a wireless communication system, includes

receiving message display control information for multicast services, and the message display control information includes attribute information that is designed to receive at least one message control information of the multicast control channel, where the message display control information and at least one message control information are multicast messages generated on the same Protocol level;

the definition for receiving at least one message control information in accordance with the attribute information; and receiving at least one message control information through a multicast control channel, if the mobile terminal determines to receive at least one message control information.

2. The method according to claim 1, wherein if the mobile is erminal determine that will not take at least one message control information, the mobile terminal does not receive at least one message control information.

3. The method according to claim 1, wherein when performing the operation of determining to receive at least one message control information in accordance with the attribute information

check the update at least one message control information for multicast services, which signed the mobile terminal based on the message display control information; and

determine to receive at least one message control information, if the updated at least one message control information.

4. The method according to claim 1, in which to receive the message control information switch terminal with the previously received information channel to a multicast control channel.

5. The method according to claim 4, in which the switching operation with the previously received information channel on the multicast control channel is executed after determining to receive at least one message control information.

6. The method according to claim 1, which further

process at least one message control information; and

switch the subscriber to the multicast control channel information on the ion channel for receiving multicast services.

7. The method according to claim 1, wherein the attribute information includes the identifier of the multicast service associated with a multicast service.

8. The method according to claim 7, in which when the operation definitions for receiving at least one message control information in accordance with the attribute information

check the ID of multicast service, if the identifier of the multicast services are included in the attribute information; and

determine what message control information should be taken from the multicast control channel, if the identifier of the multicast service associated with a multicast service, which is signed by the mobile terminal.

9. The method according to claim 8, in which, if the identifier of the multicast service is not associated with a multicast service, which signed this mobile terminal, the mobile terminal continues to receive information channel received before reception of the information of the message control information.

10. The method according to claim 9, in which the information channel use multicast information channel or the news channel of direct communication.

11. The method according to claim 1, wherein the attribute information includes at least one of the following:

the ID of the control information associated with at least one message that might be the common information;

for information about updating associated at least one message control information; and

information about the timing associated with the multicast service.

12. The method according to claim 11, in which information about updates to show the information about the update, at least one message control information for multicast services.

13. The method according to claim 11, in which information about the timing indicate which part of the multicast control channel should be taken.

14. The method according to claim 11, in which information about the timing indicate the start time of reception of the multicast control channel.

15. The method according to claim 11, in which the mobile terminal to receive a multicast control channel during the time interval, in accordance with information about the timing.

16. The method according to claim 11, in which the mobile terminal stops receiving multicast control channel at the time of termination in accordance with information about the timing.

17. The method according to claim 11, which further

check the ID of the control information, if the ID of the control information included in the attribute information; and

take at least one message control information, if the ID of the control information associated with the mobile terminal.

18. The method according to claim 11 which additionally

check the information about the update, if the update information included in the attribute information;

compare information about upgrading from a previously stored control information; and

take at least one message control information if no update information has not been previously stored in memory, or if the update information is different from previously stored information about the update.

19. The method according to claim 11, which further

check the information about the timing, if the timing is included in the attribute information; and

take at least one message control information in accordance with the time interval specified in the information about the timing.

20. The method according to claim 1, in which the message display control information received through the information channel of a multimedia broadcast/multicast service "MTCN".

21. The method according to claim 1, in which the message display control information received through the secondary logical channel control multimedia broadcast/multicast service "S-MSN".

22. The method according to claim 1, in which a multicast control channel use the channel control multimedia broadcast/multicast service is "MSN".

23. The method according to claim 6, in which the information channel use information channel multimedia broadcast/multicast service "MTCN".

24. The method of sending a multicast service in a wireless communication system, includes

transmission to the mobile terminal a message indicating control information for multicast services, and the message display control information includes attribute information that is used to transmit at least one message control information through a multicast control channel, where the message display control information and at least one message control information are multicast messages generated on the same Protocol level; and

transmitting at least one message control information through a multicast control channel.

25. The method according to paragraph 24, in which the mobile terminal determines to receive at least one message control information, perform

check updates at least one message control information for multicast services, which signed the mobile terminal based on the message display control information; and

the definition for receiving at least one message management info the information, if the updated at least one message control information.

26. The method according to paragraph 24, in which the mobile terminal determines to receive at least one message control information in accordance with the attribute information.

27. The method according to p in which the attribute information includes the identifier of the multicast service associated with a multicast service.

28. The method according to item 27, in which the mobile terminal determines to receive at least one message control information in accordance with the attribute information

check the ID of multicast service, if the identifier of the multicast services are included in the attribute information; and

determine what message control information should be taken from the multicast control channel, if the identifier of the multicast service associated with a multicast service, which signed this mobile terminal.

29. The method according to p, in which, if the identifier of the multicast service is not associated with a multicast service, which signed this mobile terminal, the mobile terminal continues to receive information channel received before reception of the information of the message control information.

30. The method according to clause 29, in which the information channel use multicast inform the operating channel or the news channel of direct communication.

31. The method according to paragraph 24, in which the attribute information includes at least one of the following:

the ID of the control information associated with at least one message control information;

for information about updating associated at least one message control information; and

information about the timing associated with the multicast service.

32. The method according to p, in which the update information indicates information about the update, at least one message control information for multicast services.

33. The method according to p, in which information about the timing indicate which part of the multicast control channel must be accepted by the mobile terminal.

34. The method according to p, in which information about the timing indicate the start time of reception of the multicast control channel.

35. The method according to p, in which the network transmits multicast control channel during the time interval, in accordance with information about the timing.

36. The method according to p in which stop transmitting over the network via multicast control channel during the transmission ends in accordance with information about the timing.

37. The method according to p in which the mobile terminal determines to receive at least one message management and the formation in accordance with the attribute information, perform

check the ID management information, if the ID of the control information included in the attribute information; and

receiving at least one message control information, if the ID of the control information associated with the mobile terminal.

38. The method according to p in which the mobile terminal determines to receive at least one message control information in accordance with attribute information, perform

checking information about the update, if the update information included in the attribute information;

the comparison of the update information with the previously stored control information; and

receiving at least one message control information if no update information has not been previously stored in memory, or if the update information is different from previously stored information about the update.

39. The method according to p in which the mobile terminal determines to receive at least one message control information in accordance with the attribute information, perform

checking information about the timing, if the timing is included in the attribute information; and

receiving at least one message control information in accordance with the interval of the m time specified in the information about the timing.

40. The method according to paragraph 24, in which the message display control information is passed through the information channel of a multimedia broadcast/multicast service "MTCN".

41. The method according to paragraph 24, in which the message display control information is passed through the secondary logical channel control multimedia broadcast/multicast service "S-MSN".

42. The method according to paragraph 24, in which a multicast control channel use the channel control multimedia broadcast/multicast service "MSN".

43. The method according to clause 29, in which the information channel use information channel multimedia broadcast/multicast service "MTCN".



 

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24 cl, 4 dwg

FIELD: radio engineering.

SUBSTANCE: invention refers to identification of transmitters for signals received by terminal. In order to evaluate transmitter of this received signal, candidate list of transmitters which could transmit this signal is made out. Besides coverage area is detected to be used for received signal. This coverage area is area where terminal can receive signal to be identified. Then predicted power for each candidate transmitter is evaluated, e.g. using route and coverage area loss prediction model. Predicted powers for candidate transmitters are compared (directly or relatively) to measured power of received signal. Candidate transmitter with (direct/relative) predicted power closest to (direct/relative) measured power is considered to be that one transmitted this signal. Distribution delays can be predicted and used for transmitter identification as well.

EFFECT: estimation of terminal location.

27 cl, 12 dwg

FIELD: radio communications.

SUBSTANCE: proposed method intended for single-ended radio communications between mobile objects whose routes have common initial center involves radio communications with aid of low-power intermediate transceiving stations equipped with non-directional antennas and dropped from mobile object, these intermediate transceiving drop stations being produced in advance on mentioned mobile objects and destroyed upon completion of radio communications. Proposed radio communication system is characterized in reduced space requirement which enhances its effectiveness in joint functioning of several radio communication systems.

EFFECT: reduced mass and size of transceiver stations, enhanced noise immunity and electromagnetic safety of personnel.

1 cl, 7 dwg, 1 tbl

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