|
Harq adaptation for acquisition of neighbour cell system information |
|
IPC classes for russian patent Harq adaptation for acquisition of neighbour cell system information (RU 2532527):
Method, system and device for radio network aggregation / 2532416
Invention relates to communication systems. The method for radio network aggregation transmission includes: obtaining location information of user equipment on at least two radio networks; obtaining, according to the location information, network load information of each radio network where the user equipment is currently located; determining, according to the network load information and a preset policy, a way in which data streams of the user equipment are transmitted by using at least two radio access technologies; and transmitting the data streams of the user equipment in the determined way. Radio network aggregation is therefore implemented.
Wireless communication device / 2532411
Invention relates to wireless communication for transmitting a random access signal when a mobile terminal synchronises itself with a base station, and is intended to increase the percentage of normal reception of random access signals by a handover destination base station by suppressing interference between random access signals transmitted from a plurality of mobile stations. Upon handover, a mobile station receives, from the movement origin base station, information on the movement destination base station and information relating to a sequence to be used for transmitting a random access signal to the movement destination base station. The mobile station receives a synchronisation channel signal transmitted from the movement destination base station. The mobile station then transmits the random access signal to the movement destination base station with a timing offset by a prescribed period from a time of receiving a synchronisation channel and at a frequency corresponding to that of the synchronisation channel. A position of the time/frequency used for transmitting the random access signal for the handover is used exclusively by the random access signal transmitted from the mobile terminal for which handover is being performed or is used exclusively at the same time by a plurality of mobile stations for which handover is performed.
Wireless communication terminal and communication method / 2532271
Wireless communication terminal according to the invention is a wireless communication terminal designed for connection with a base station for transmitting and receiving data to/from the base station, said terminal including: a receiver which receives a signal containing control information provided to measure channel quality in a native cell from the base station; an extraction module which extracts control information from the signal received by the receiver; a measurement unit which measures, based on the control information, channel quality in the native cell, in a region where an adjacent cell does not transmit a signal; and a transmitter which transmits the result of measuring channel quality in the native cell by the measurement unit to the base station.
Methods and devices in telecommunication network / 2532260
Base station receives a signal from user equipment on an uplink (UL) component carrier and measures the signal arrival time. Synchronisation correction of transmission over the UL is determined based on the signal arrival time. Based on that, the base station determines the UL component carrier used by the user equipment for which synchronisation is valid. Synchronisation correction and validity information are sent to the user equipment. The user equipment controls synchronisation of transmission over the UL for each UL component carrier for which synchronisation correction is valid.
System, method of reproduction and server of services for media resources / 2531859
Client of media resources is provided with the first interface to receive a control command by media reproduction from the client of media resources, as well as to provide the client of media resources with interface for loading of media resources. Client of control function is provided with the second interface to provide to it the interface for control of determination of subscriber data and personal subscriber resources. Portal of services and/or control portal is provided with the third interface to provide to them the interface for updating and receiving of information of configuration of subscribers. Server of additional services and applications is provided with the fourth interface to provide to it the interface for calling of service server, which allows server of additional services and applications to receive media resources subject to reproduction and to control reproduction on call and information on services, and server of services allows receiving control commands of media reproduction from server of additional services and applications.
Method of creating ranked neighbouring cell list / 2531582
Invention relates to mobile communication. For each of a plurality of neighbouring cells, a value of a first component is assigned, depending on whether or not a base station can detect signals transmitted from said neighbouring cell. A value of a second component is assigned, depending on a history of successful or unsuccessful handover attempts to said neighbouring cell. The values of the first and second components are combined to form a weighting parameter, for use in determining a handover priority to be given to said neighbouring cell in the neighbouring cell list.
Mobile communication method and system / 2531543
Mobile communication system includes an MME (mobility management entity) in a visitor network of UE N1 (mobile station N1) acquiring SRVCC (single radio voice call continuity) capability information of the UE N1 and notifying an HSS (home subscriber server) of the SRVCC capability information of the UE N1 in an attach process or location registration process of the UE N1, and an ATCF (access transfer control function), which controls an ATGW (access transfer gateway), acquiring the SRVCC capability information of the UE N1, in a registration process of the UE N1 with IMS.
Activating component carriers in carrier aggregation / 2531520
Invention relates to wireless communication. An exemplary embodiment of the present invention includes transmitting, to user equipment UE, downlink control information (DCI) comprising an indication of an access codeword and an indication that at least one component carrier (CC) is activated for the UE, and receiving, from the UE, the access codeword which is an acknowledgement that the UE has activated the at least one CC. The access codeword is received on an uplink channel which a) is transmitted using said at least activated CC, if there is an activated uplink channel transmitted using said activated CC, or b) is previously activated if there is no activated uplink channel transmitted using said activated CC. In another version of the present invention, DCI comprising said two indications is received from a network, the received indications are used to select and access said at least one CC; and activating the CC is acknowledged by sending the access codeword.
Method for reporting channel state information and base station / 2531372
Invention relates to communication systems. The invention provides a method for reporting channel state information which includes: an eNB (eNodeB) indicating UE to simultaneously feedback CSI (channel state information) reporting of one or more component carriers; the UE simultaneously feeds back the CSI reporting of one or more component carriers according to the indication of eNB. The invention also provides an eNB, which is configured to: indicate UE to simultaneously feedback CSI reporting of one or more component carriers.
Performing measurements in wireless communication using multiple carriers / 2530902
Invention relates to mobile communication. Measurement configuration reporting may be reconfigured based on events associated with one or more serving cells and/or one or more serving component carriers. Measurement configuration and measurement configuration reporting may also be reconfigured based on events associated with one or more serving component carriers.
Method and device for diverting transmission in multiple access wireless communication system / 2343646
Description is given of a method and device for switching wireless terminal channels. For this, several communication channels with different physical characteristics are supported in the cell of the base station. Each wireless terminal controls several channels and evaluates several channels at the same time, such that, there can be fast switching between channels. Information on the quality of the channel is sent from each wireless terminal to the base station. The wireless terminal or base station selects the channel, based on the evaluated quality of the channel. By supporting several channels and through periodical changes in channels in different implementation alternatives, the time taken before the wireless terminal finds good or suitable channel conditions is minimised, even if the wireless terminal changes position. Several antennae are used at the base station for simultaneous support of several channels, for example, through control of the directional pattern of the antennae.
Method of generating repeating audio signals for call return and device to this end / 2343647
During different set conditions providing source of sound for company service information as substitutive audio signal for call return, receiver can determine whether source of sound for service information for subscriber or set time interval is provided for. Present invention provides for a method and device for obtaining substitutive repeating audio signal for call return based on choice or successively in accordance with a preset condition.
Access channel with limited reception time / 2343648
Method consists of the following stages: reception of request for channel access from user terminal. Reception of the user terminal can be one of several active user terminals. The transmission cycle duration is determined as a result of reception of a request for channel access. The arrival time of data to the cycle is determined for the user terminal. The arrival time of data to the user terminal is set, so as to designate the channel for the user terminal, starting from the time of arrival of data.
System and method of band subchannel control with adaptive modulation and coding (amc) in communication system of multiple access with orthogonal-frequency division / 2344548
Method for assignment of band channel with adaptive modulation and coding (AMC) to subscriber stations (SS) is realised in wireless communication system, which separates full range of frequencies into multiple subcarrier bands, every of which represents set from previously specified quantity of subranges, every of which represents set of previously specified quantity of adjacent subcarriers. Method comprises the following stages: necessity in use of band channel with AMC is detected; quality of reception is measured in frequency bands; list of frequency bands with high quality of reception is formed; request is sent for assignment of band channel with AMC as well as foresaid list to base station (BS); response is received to mentioned request from BS; in compliance with response, changeover is done in SS in condition of use of band channel with AMC.
Method and device of communication for transfer and reception of messages about services to service center or back / 2344568
Service center (SZ) for transmission of information content should not know or define number of person who initiates loading, and sole connection (TKV) of communication from communication device (TKG) to service center (SZ) does not require making another communication contact, at that information content is requested in the first communication session (SI1) with the first notice (SN1) about service from service center (SZ), and is delivered from service center (SZ) in the second communication session (SI2) with at least one notice (SN2) about service.
System of home register of location for servicing of user of several types of networks / 2344569
System comprises subsystem of all-channel signaling processing, data base subsystem, services processing subsystem and operational maintenance subsystem, at that all subsystems are connected to communication network and accordingly realise information exchange; at that all-channel signaling processing subsystem performs function of OKC-7 processing; data base subsystem is used for storage of user data; services processing subsystem comprises one or more modules for processing of home location register services; operational maintenance subsystem comprises operational maintenance server, services acceptance terminal and close-range terminal of operational maintenance.
Grouping of pilot-signals and control of sets in communication systems with multiple carriers / 2344570
In one version of realisation access network may assign group identifier (group ID) to every of pilot-signals associated with sector, for instance, on the basis of pilot-signals coverage areas, and transmit pilot-signals with appropriate group ID. PN shift may be used as group ID. Access terminal may group accepted pilot-signals in one or more pilot-signals group according to their group ID, and select representative pilot-signals from every group of pilot-signals for transmission of message about pilot-signal level. Access terminal may also use grouping of pilot-signals for efficient control of sets.
Method and device for switching between common and individual channels for provisioning of broadcasting content services transmission in wireless telephone network / 2344571
Wireless communication network comprises different base stations and subscriber stations. Every base station provides services of broadcasting content transfer to subscriber stations via communication channels of one of the following types: 1) common channel used by multiple subscriber stations, 2) individual channels, every of which is separated for use by separate subscriber station. In response to one or several preset changes of condition, i.e. change of number of subscriber stations that request the program, change of transmission power level used by base station, or in case of other change of network condition, communication channel type used for provisioning of broadcasting content to one or several subscriber stations is switched over.
Power control in external circuit for wireless communication systems / 2344572
One version of realisation comprises base station, which controls channel of speed indicator, decodes speed indicator channel with application of likelihood maximum decoder and determines availability of packet in speed indicator channel by comparison of probability to threshold, and analyses frame validity in packet-oriented channel on the basis of availability and content of packets accepted in speed indicator channel.
Method and device for provisioning of multimedia service of broadcasting/multicasting in system of mobile communication / 2344573
Method and device are provided for provisioning of one or more communication services of point-point set type, such as multimedia service of broadcasting/multicasting (MBMS), to one or more mobile terminals, or subscriber devices (AA). When one or more mobile terminals are moved to new zone of mobile communication system controlled by other network component, after connection to service, information is transmitted between network elements by method.
|
FIELD: radio engineering, communication. SUBSTANCE: method includes receiving, by a mobile station, a request from a serving cell for acquisition of system information of a neighbour cell, the request including at least a physical cell identifier and a time limit for acquisition of the system information of the neighbour cell, acquiring the system information of the neighbour cell within the time limit for the acquisition of the system information, and reporting at least a part of the acquired system information to the serving cell. EFFECT: reducing loss of data packets transmitted between a mobile station and serving cell when the mobile station attempts to acquire neighbour cell system information. 2 cl, 2 dwg
The technical FIELD TO WHICH the INVENTION RELATES. This invention generally relates to wireless communications and more specifically to collect system information of neighboring cells. The LEVEL of TECHNOLOGY Reading system information of the neighboring cell of the mobile station in the wireless communication network is useful in many situations. One such situation occurs in the network partnership project to create networks of third generation (3GPP) standard Long term evolution networks" (LTE) in the presence of a home enhanced node B (HeNB), also known as Femto cells. The host HeNB LTE is an enhanced node B (eNB) of small capacity, which provides coverage in the access points, houses, etc. a small number of users. Physical cell identity (PCID) uniquely identifies each macrosoma, as the network is planned and deployed so that macrosty with the same ID PCID separated by great distance to facilitate re-use of identifiers PCID. On the contrary, station HeNBs are deployed to users in an uncoordinated way without planning identifiers PCID. As a result, in the area of macrosomy it is possible to have two nodes HeNB that use the same ID PCID, which can lead to confusion of identity PCID. For estat is based transmission network need to know exactly to which cell to redirect the mobile station. One approach to resolving confusion IDs PCID is reading mobile station unique cell ID (global cell ID or CGI) or identifier of a closed subscriber group (CSG)in the block 1 system information of the target node HeNB and the message identifier CGI or identifier of the CSG. However, the mobile station in connected mode in the LTE version 8 are not required to receive the system information from the neighboring cells. Reading system information of the neighboring cell may cause a significant interruption in the current connection with the serving cell. This interrupt is particularly problematic during an ongoing voice call. Thus, it is desirable to reduce the loss of data packets (such as voice frames)transmitted between a mobile station and a serving hundredth, when the mobile station attempts to receive the system information of the neighboring cell. Various aspects, features and advantages of the description of the invention will become more apparent to experts in the field of engineering after careful consideration of the subsequent detailed description with the accompanying drawings described below. The drawings may have been simplified for clarity and are not necessarily shown to scale. A BRIEF DESCRIPTION of H IS of RAJA Fig.1 depicts a method of receiving system information transmitted by the neighboring decimal by moving the transmission requests HARQ. Fig.2 depicts a method of receiving system information transmitted by the neighboring hundredth through the use of additional process request HARQ. DETAILED DESCRIPTION Different ways embodiment of the present invention minimize or at least reduce packet loss when the mobile station attempts to read the system information of the neighboring cell. To this end, in some embodiments of the incarnation is governed by the behavior of queries HARQ link with the serving cell. This description of the invention based on knowledge of the distribution time frame of the target cell to reduce the probability of missing transmission requests HARQ to and from the serving cell. Variations of the embodiments are described for a system the standard 3GPP Long term evolution of communication networks (LTE). Consider a system information message of the neighboring cell includes a main information block (MIB) and the block 1 system information (SIB1). However, you must understand that the idea of describing the invention is equally applicable to other wireless communication systems and other types of system information messages. In some cases, the serving cell determines that information of the target cell that p is dostavlyaetsya through system information of the target cell. For example, when the measurement report received from the mobile station indicates that the target cell is a potential candidate for relay transmission, the serving cell may decide that a global cell identity of the target cell. For information about the target cell of the serving cell sends a request to collect system information that indicates or identifies a physical cell identity (PCID) of the target cell for which additional information is required. In some variants of this embodiment, the request includes a time limit system information collection, while the mobile station is expected to receive the system information of the identified target cell within a time limit. In some embodiments the embodiment of the invention prior to the expiration of the time limit collection system information service honeycomb uses a lower or reduced data rate speech codec for the current voice calls, without changing the distribution of resources downward. This reduces the size of the transmitted voice packets and therefore minimizes the number of retransmissions of requests HARQ required for successful reception of the speech package. This in turn reduces the number of lost voice packets because of the attempts of the mobile station is the returns system information message from the target cell, because the same radioresource, originally used for a large package, now used for smaller encoded speech packet. For example, the serving network may use only half the speed of data transmission with adaptive coding with variable-rate (AMR) during this period, while resource allocation is still based on full speed voice AMR data. This technique can be applied to the speech packets and the upward and downward communication channels, that is, base station, and mobile station operate at a lower data rate. In addition, it can be applied to obtain other system information, for example, blocks 2-8-system information defined according to the specification of the LTE release 8 of the 3GPP technical specification (TS) 36.331. Although the above description shows that the serving cell initiates collecting system information of the neighboring cell, it should be clear that the mobile station may autonomously initiate collecting system information. According to the second variant embodiment of the invention, it is assumed that the serving cell knows the difference distribution in time frames between its transmission and transfer target cell. This information may be provided to mobile is the first station in the measuring report or it may be provided to the target hundredth through the use of signaling mechanisms, available on the network. Alternatively, the source cell and the target cell can be frame synchronized, which implies a zero difference in timing between frames serving hundredth and the target cell. As in LTE transmission blocks MIB occur in subcate 0, and transfer blocks of SIB1 occur in subcate 5, if the serving cell knows the difference distribution in time frames between themselves and the target hundredth, it can determine when the mobile station will likely be configured on the target cell. Therefore, based on the overlap time of transmission requests HARQ with transmission blocks MIB or blocks SIB1 in the target cell, the serving cell may determine which transmission requests HARQ can be ignored by the mobile station. Subsidry in the serving cell, which block the transmission blocks MIB or SIB1 target cells, are called "periods of inaccessibility". According to this variant embodiment to minimize missed gear, use the following technique. The service node eNB sends a request to collect system information indicating the ID of the PCID of the target cell. This request includes the time limit system information collection. It is expected that the mobile station will receive the system information for this time limit. Within the ultimate lie is no system information collection around each outage period defined time interval before the outage period and the time interval after a period of unavailability". The time interval before the outage period consists of n1 subbarow before the start of the outage period, and the time interval after a period of unavailability consists of n2 subbarow after the end of the period of unavailability. The mobile station monitors a physical downlink control channel (PDCCH) in the time intervals before and after the interval of inaccessibility. If the distribution over time of the scheduled transmission request HARQ is such that it occurs during the outage period, he instead passed before or after the time interval of inaccessibility. Note that this rule can be applied to the transmission of a downward communication channel to the transmission of the upward communication channel. As an improvement, instead of replacing the scheduled transmission can be performed more transfer before or after the time frame is unavailable. The behavior of the heartbeat/nepodtvergdenie reception (Ack/Nack) request HARQ: To ensure easier implementation, the response to the transmission in the period before or after the outage can be put equal to Nack. In other words, there is no need to assign resources to Ack/Nack for the shifted transmission. Alternatively, resources could be used Ack/Nack corresponding to the originally scheduled transmission. As another option, new resources for Ack/Nack can be selected for with esenkoy transfer. The mobile station attempts to obtain the necessary system information from the target cell during periods of unavailability. If it is successfully received, the mobile station may report some or all of the desired received system information of a serving cell. Alternatively, the mobile station may simply use the received system information for internal processing purposes. For example, after receiving the CSG ID in the block SIB1 mobile station can determine that she is not allowed to access the target cell, and therefore not to disclose information of a serving cell. According to the third variant embodiment of the invention, it is assumed that the serving cell knows the difference distribution in time frames between its transmission and transfer target cell. As in the second variant embodiment, this information may be provided to the mobile station a measurement report, or it may be provided to the target hundredth through the use of signaling mechanisms that are available in the network. Alternatively, the source cell and the target cell can be frame synchronized, which implies that the dierence of the distribution time frame, zero. Performs the following steps : Serving cell sends a request to collect system information indicating the ID of the PCID of the target with the s. This request includes the time limit system information collection. It is assumed that the mobile station will receive the system information for this time limit. The mobile station is assigned an additional process request HARQ with appropriate resources for packet transmission and Ack/Nack. This assignment process request HARQ can be included in the request for collecting system information. Note that an additional process request HARQ can be assigned for transmission of the upward communication channel and/or transmission of a downward communication channel. Additional process request HARQ is used only if the scheduled transmission request HARQ coincides with the period of unavailability. In particular, if the scheduled transmission HARQ coincides with the period of unavailability, you can instead use the following transfer is possible at an additional process request HARQ. Alternatively, if the scheduled transmission request HARQ coincides with the period of unavailability, you can use the chance of passing on the additional process request, HARQ, which takes place prior to the scheduled transfer request HARQ. Additional process request HARQ is suspended at the end of the time limit system information collection. As in the second variant embodiment of the invention, mobile stations is trying to obtain the necessary system information from the target cell by receiving system information messages, when they are transferred to the target cell. If it is received successfully, the mobile station may communicate all or part of the received system information of the serving cell. Alternatively, the mobile station may simply use the received system information for internal processing purposes (for example, after receiving the CSG ID in the block SIB1, the mobile station may determine that it is denied access to the target cell, and therefore not to disclose information of a serving cell). The second and third options embodiments of the invention described above, it is assumed that the serving cell knows the difference between its allocation of staff time and allocation for time frames of the target cell (mobile station reports this difference distribution time frame). Above in the description of the variants of embodiment of the invention, the read system information is initiated by a request from a serving base station. It should be noted that equally possible to initiate a read system information of the mobile station. According to the fourth variant embodiment of the invention, as the mobile station knows about the communication blocks MIB and SIB1 target cell, she chooses her periods of unavailability on the basis of status information associated with the process request HARQ. For example, if predicable MIB or SIB1 in the target cell overlaps with a scheduled HARQ transmission in the serving cell and send a request HARQ is one of the first n transmission packet, the mobile station attempts to retrieve the MIB or SIB1 neighboring cells. If a scheduled transfer request HARQ is not one of the first n transmission packet, the mobile station receives the transmission request HARQ. This allows the mobile station to receive system information messages when they overlap an earlier packet, allowing you to receive your package in a later transmission requests HARQ. Although the present description of the invention and its preferred options embodiments have been described in the procedure for determining the amount and in a manner that allows professionals in the art to make and use them, it should be borne in mind and take into account that there are equivalent examples of variants of the embodiment of the invention disclosed in the present description, and that they can be made the changes and variations without departure from the scope and essence of the invention which should be limited not by the examples of variants of the embodiment and the attached claims. 1. The method of receiving system information of the neighboring cell of the mobile station, the method comprises the steps are: 2. The method according to p. 1, in which receiving the request for collecting system information of the neighboring cell includes receiving a request to obtain the ID of the neighboring cell from the system information transmitted by the neighboring cell.
|
© 2013-2015 Russian business network RussianPatents.com - Special Russian commercial information project for world wide. Foreign filing in English. |