Method and device for transmitting and receiving downlink control information in mobile communications system, supporting up-link data packet transfer service

FIELD: physics; communications.

SUBSTANCE: during transmission of data packets in mobile communication system with hybrid automatic repeat request for packet transmission (HARQ), second transceiver receives from first transceiver, conditional assignment (RG) as information for controlling speed. The second transceiver sets the permissible maximum speed of data transfer in the HARQ process, to which RG is applied, in the permissible maximum speed of data transfer in the HARQ process, preceding the given HARQ process, if RG indicates storage. The second transceiver transmits data packets to the first transceiver within the limits of the set permissible maximum speed of data transfer.

EFFECT: reduced service signalling information of downlink, which is result of provision for dispatching in dispatcher base station controlled by unit (unit B).

36 cl, 8 dwg, 3 tbl

 

The technical field to which the invention relates

The present invention relates in General to cellular communication systems, multiple access, code-division multiplexing (mdcr, CDMA). More specifically, the present invention relates to a method and apparatus for transmitting and receiving control information downlink when you use the enhanced dedicated transport channel uplink communication (E-DCH).

The level of technology

System for mobile communication (mobile communication) 3rd generation that uses WCDMA (wideband multiple access, code-division multiplexing)based on the European global system for mobile communications (GSM) and packet radio for General use (GPRS), universal mobile telecommunications system (UMTS), provides mobile subscribers or computer users standard messaging service, text-based packages, translated into digital form voice and video and multimedia data at a speed of 2 Mbps or higher, regardless of their location around the world.

In particular UMTS system uses a transport channel called E-DCH, to further improve the transmission efficiency of packet uplink communication from the user equipment to the node (a term that is vzaimozatmeniya is passed to the base station). For more stable high-speed data transmission for transmission on E-DCH were presented adaptive modulation and coding (AMC), hybrid circuit automatic request for retransmission (HARQ), a managed node In the scheduling and the shorter the time interval of transmission (TTI).

AMC - method for adaptive determination of the modulation scheme and coding (MCS) according to the state of the channel between node and. Many MCS levels can be defined according to the modulation schemes and the coding schemes. Adaptive selection of the MCS level according to the state of the channel increases the efficient use of resources.

HARQ is a scheme of re-transmission package designed for re-transmitting the packet to correct errors in the originally transmitted packet. HARQ is divided into "further consolidation" (CC) and "increasing the redundancy (IR). The HARQ scheme uses N-channel principle "to stop and wait (SAW) to increase the speed of data transmission. In the N-channel SAW HARQ transmitter transmits different data in the time intervals of transmission (TTI) from the first to the N-th and determines whether to retransmit the data or transmit new data in TTI (N+1)th to 2N-th according to the confirmation/non-confirmation (ACK/NACK)adopted for the transferred data. N TTI is treated using a separate HARQ processes, and each of the processes HAR for TTI (N+1)th to 2N-th called the i-th HARQ process. N is an integer greater than 0, and the number of the first HARQ process is an integer ranging from 1 to N.

Managed node In the scheduling is a scheme in which the node determines whether to allow the transmission of E-DCH for, and if it resolves, determines the maximum speed of data transmission and transmits the information to a specific data transfer rate as the provision of dispatching ON the site, and defines the speed of data transmission on E-DCH on the basis of this provision of dispatch.

Shorter TTI - method for reducing the time delay retransmission and, thus, to increase system throughput, which allows you to use a shorter TTI than the shortest TTI is 10 MS, which provide in 3GPP Rel5.

Fig. 1 illustrates the transmission of a packet uplink communication on E-DCH in a typical communication system.

Referring to Fig. 1, reference symbol 100 denotes a node In supporting E-DCH, and RefDes 101-104 indicate BY using an E-DCH. As shown, 101-104 transmit data to the node 100 on E-DCH 111-114.

The node 100 notifies the individual ON 101-104, allow them the transmission of E-DCH, or transmits to provide dispatching, indicating to them the speed of data transmission on E-DCH based on the information to fill out BU the EPA and the required data rates or information on channel status, adopted from. This operation is called dispatching data uplink communication. Dispatching carry out so that the measured noise exceeds, or exceeds thermal noise (ROT), the node does not exceed a specified ROT, to increase the efficiency of the entire system, for example, distributing low data rate remote software (such as 103 and 104), and high speed data transfer - neighboring (such as 101 and 102). ON 101-104 determine the allowed maximum data rate for the E-DCH based on the provision of dispatching and transmitting data on E-DCH at certain speeds.

Due to the lack of synchronization between the uplink signals from different signals ascending line interfere with each other. When a node receives more signals uplink communication signal to uplink communications from specific suffers from excessive noise, thus reducing the efficiency of the reception at node C. This problem can be overcome by increasing the transmit power of the communication channel, but increased transmitted power, in turn, creates interference to other signals uplink communication. Thus, the effectiveness is still reduced in the node C. the Full power of the uplink signals of the light and, which site can take with effectiveness, which is at the acceptable level or above, is limited. ROT is radioresource uplink connection used by the node B, and it is defined as

ROT=Io/No(1),

where Iodenotes the power spectral density across the range, i.e. the total sum of the signals of the uplink communication received at the node B, and No denotes the power spectral density of thermal noise of node C. Therefore, the maximum allowed ROT - all radioresource uplink communication available to node C.

Full ROT expressed as the amount of interference within the cell, voice calls and E-DCH. Using a managed host In dispatching prevent simultaneous transmission of packets from the set ON a high data rate, while maintaining full ROT that is less than or equal to the specified ROT, and thus all the time ensuring effectiveness. When high speed data transfer allowed for certain, they are not allowed to others when a managed node In the scheduling. Therefore, full ROT does not exceed the specified ROT.

Fig. 2 is a chart illustrating a typical signal flow for sending and receiving messages in the E-DCH.

Referring to Fig. 2, at step 202, the node and set the E-DCH. Step 22 involves the transmission of messages over a dedicated transport channels. At step 204 transmits information ON the dispatch to the node Century Information dispatch may contain information channel status uplink communication, which includes the transmitted power and the threshold capacity, and the amount of buffered data that will be passed to node C.

At step 206, the node keeps track of the information dispatch from a variety of software for dispatching data uplink communication for the individual. The node selects the confirmation packet uplink communication from and to the stage 208 transmits the provision of dispatch. Providing dispatching indicates increase/saving/reduction allowed maximum data rate or the maximum allowed data rate and allowed the distribution of transmission time.

At step 210 identifies TF (transport format)based on the provision of dispatch E-DCH. BY then transmits to the node b on the stages 212 and 214 information TF and packet data uplink communication on E-DCH at the same time. Information TF includes the indicator transport format resource (TFRI), indicating the resources required for demodulation of E-DCH. ON selects the MCS level according to the allowed maximum data rate set by the node, and the status to the channel and transmits the E-DCH at step 214.

At step 216, the node determines whether there are errors in the information TF and packet data uplink communication. If there are errors or information TF, or packet data uplink communication, the node transmits the NACK signal to the channel ACK/NACK, whereas in the absence of errors in the information TF, and packet data uplink communication, the node transmits the confirmation signal to the channel ACK/NACK at step 218. In the latter case, the packet data transfer is completed, and transmits new packet data to the node In the E-DCH. On the other hand, in the first case, re-transmits the same packet data to the node In the E-DCH.

In the above-described environment, if the node b can receive information ON scheduling, including, for example, information about the buffer is full, and the status of power ON, it dispenses with low data rate, if it is far away from the node, has a bad channel status, or has the services of a lower class. If is close to the node B, has a good channel state, or has the services of a higher class, the node distributes high speed data transfer. Therefore, the efficiency of the entire system is increased.

When a node transmits a conditional grant (RG), indicating an increase/saving/reduction represen the th maximum speed of data transfer, as providing scheduling for E-DCH, service information signaling RG reduces the capacity of the downlink. Accordingly, a need exists for a way to reduce service information signaling downlink, which is a result of the transfer of the provision of dispatching when a managed node In a dispatch.

The INVENTION

The objective of the embodiments of the present invention is essentially a solution of at least the above problems and/or disadvantages and provide at least the following advantages. Accordingly, embodiments of the present invention provide a method and apparatus for reducing service information signaling downlink, which is a result of the transfer provide dispatch with which the node controls the data rate FOR uplink communication in situations, when a managed node In the scheduling and HARQ is used in a mobile communication system supporting E-DCH.

Embodiments of the present invention also provide a method and apparatus for efficient interpretation of the provision of dispatch, which the node transmits to control the data rate FOR uplink communication in the sieve is tion, when a managed node In the scheduling and HARQ is used in a mobile communication system supporting E-DCH.

The above problem is essentially solved by providing a method and device for transmitting and receiving control information downlink in a mobile communication system supporting the packet data transfer uplink connection.

According to one aspect of the present invention, in the method of transmitting packet data in a mobile communication system HARQ, the second transceiver receives from the first transceiver RG as information speed control. The second transceiver sets the maximum speed of data transmission of the HARQ process to which apply the RG, the maximum speed of data transmission of the HARQ process preceding the given HARQ process, if the RG indicates preservation. The second transceiver transmits the first packet data transceiver within the specified permitted maximum data transfer rate.

According to another aspect of the present invention, a method of transmitting control information for receiving packet data in a mobile communication system HARQ, the first transceiver determines the maximum data rate for a given HARQ process for the second transceiver and which shall set RG, as speed control, conservation, if a certain allowed maximum data rate equal to the allowed maximum data rate of the HARQ process preceding the given HARQ process. The first transceiver then transmits the RG to the second transceiver.

According to an additional aspect of the present invention, a device for transmitting packet data in a mobile communication system HARQ, the receiver narrows the spectrum of the signal received from the first transceiver, using a distributed shared code selection of the communication channel. The interpreter signal RG detects RG, as the information to control the speed of the signal with narrow range, and sets the maximum speed of data transmission of the HARQ process to which apply the RG, the maximum speed of data transmission of the HARQ process preceding the given HARQ process, if the RG indicates preservation.

According to another aspect of the present invention, a device for transmitting control information for receiving packet data in a mobile communication system HARQ, block scheduling node b determines a maximum data rate for a given HARQ process for the second transceiver. The signal generator RG sets the RG, as the management information with what speed, in preservation, if a certain allowed maximum data rate equal to the allowed maximum data rate of the HARQ process preceding the given HARQ process. The transmitter transmits the RG to the second transceiver.

BRIEF DESCRIPTION of DRAWINGS

The above and other objectives, features and advantages of embodiments of the present invention will become more apparent from the subsequent detailed description when considered together with the accompanying drawings, in which:

Fig. 1 illustrates the transmission of a packet uplink communication on E-DCH in a conventional communication system;

Fig. 2 is a chart illustrating the normal flow of signals for transmission and reception of E-DCH;

Fig. 3 is a sequence illustrating the operation of generation and interpretation provide dispatching according to an exemplary variant of implementation of the present invention;

Fig. 4 is a structural diagram of the transmitter of the node In accordance with an exemplary variant of implementation of the present invention;

Fig. 5 is a block diagram of the receiver according to an exemplary variant of implementation of the present invention;

Fig. 6 is a sequence illustrating the operation of generation and interpretation provide dispatching according to the estimated var is the ant implementation of the present invention;

Fig. 7 is a sequence illustrating the operation of generation and interpretation provide dispatching according to an exemplary variant of implementation of the present invention; and

Fig. 8 is a sequence illustrating the operation of generation and interpretation provide dispatching according to an exemplary variant of implementation of the present invention.

It should be understood that in all the drawings the same reference designators refer to the same elements, features and structures.

DETAILED DESCRIPTION of EXEMPLARY embodiments

Exemplary embodiments of the present invention will be described below in relation to the accompanying drawings. In the following description, a detailed description of known functions or constructions are omitted for clarity and brevity.

The subsequent description of exemplary embodiments of the present invention is made in the context of E-DCH in the UMTS system.

Managed node In the scheduling technique to improve the throughput and coverage of the system through the effective management of ROT uplink communication node C. To this end, the node controls the data rate E-DCH each. Data rate E-DCH refers to the ratio of the power reference physical channel, the power to the th control, to the power of the physical channel on which the show E-DCH. Data rate E-DCH is equivalent to TF E-DCH, or transmit power E-DCH. Thus, for high-speed data transmission of E-DCH, more power distribute E-DCH.

A managed node In the scheduling can be considered in three ways. One way is to increase or decrease the maximum speed of data transfer using the specified increment or negative increment (decrement), or save the maximum allowed data rate. In condition to transmit data in every TTI, the node transmits to RG, indicating an increase/saving/reduction of the maximum allowed data rate, instead of an absolute grant (AG)indicating the absolute value of a certain allowed maximum data rate. As a rule, RG - 1-bit information, which can be set at +1/0/-1, indicating an increase/saving/reduction. If RG is 0, i.e. the signal is not passed, it indicates discontinuous transmission (DTX). The increment or decrement pre-determined, and thus the speed change transmission data, which the node can operate ON a specific point in time is limited to increment or decrement.

The second method is the transfer of AG directly indicating the absolute value of the allowed maximum data rate and the distribution of the transmission time for.

The third way is to transfer the RG and AG in combination.

Believing that HARQ is applied to the E-DCH, will be described the relationship between HARQ and a managed node In the scheduling. In an exemplary embodiment of the present invention are considered N-channel scheme SAW HARQ. According to the N-channel SAW HARQ, the transmitter transmits different data in the TTI from the first to the N-th and determines whether to transmit new data or retransmit the data transmitted in TTI (N+1) 2N, depending on the signals ACK/NACK received for the transferred data. A sample implementation of the present invention is based on the assumption that the node transmits the RG when a managed node In the dispatch uses a 2 MS TTI E-DCH, and identified five HARQ processes. Thus, the number of HARQ processes are repeated every five 2-MS TTI in order 1, 2, 3, 4, 5, 1, 2, 3, 4, 5... and so on. The value of RG is applied to the process with the same number. For example, if the RG indicates "increase" for HARQ process # 2, it must increase to a certain level, the maximum allowed data rate applied to the last HARQ process No. 2.

From the point of view of service information signaling downlink may happen that the power Manager is implementing a node transmits to the same RG, for example, +1 sequentially for the HARQ processes # 1 to # 5 according to the ROT of the cell and the state of the channel FOR E-DCH, where five of HARQ processes defined for the 2-MS TTI. If you can learn RG for HARQ processes from No. 2 to No. 5 of RG for the HARQ process number 1, service information signaling downlink transmission RG reduce five times (one RG, not five). In this context, exemplary embodiments of the present invention provide a host operations and to reduce service information signaling for the case when the same provision of dispatching repeat for multiple HARQ processes.

In accordance with an exemplary embodiment of the present invention, reference RG for the reference HARQ process (RG_reference) and petalonia RF for netlennogo HARQ process (RG_non_reference) generate separately to reduce service information signaling downlink. About the reference HARQ process reported with alarm upper level, or it is constant.

When set to five HARQ processes, from No. 1 to No. 5, the HARQ process number 1 set, for example, as a reference HARQ process, and other processes HARQ set as petalonia of HARQ processes. If RG_non_reference identical RG_reference, the signal RG_non_reference not passed in, thus reduce the service information signaling. To this end, the green and distinguish RG_reference and RG_non_reference in the generation and interpretation. To increase the reliability of the transmission RG_reference, RG_reference send with higher power than RG_non_reference.

An implementation option 1

Fig. 3 is a sequence illustrating the operation of generation and interpretation provide dispatching according to an exemplary variant of implementation of the present invention.

Referring to Fig. 3, at step 300, the node b determines whether the HARQ process for which distribute the data rate, the reference HARQ process. The HARQ process for which distribute the data rate, the HARQ process, which will be distributed to the current TTI, and he referred to as "the current HARQ process". If the current HARQ process is a reference HARQ process, then at step 302, the node sets In RG in +1 to speed, 0 (i.e., DTX) - for lack of a speed change, or -1 to decrease the speed for the reference HARQ process according to the scheduling block scheduling node Century as RG, taken from the site, is intended for the reference HARQ process, interprets RG equal to +1, as the speed increases, RG equal to 0, as no change of speed, and RG, -1, - as the decrease of velocity.

On the other hand, if at step 300 the current HARQ process is nataloni HARQ process, then at step 304, the node determines if RG_reference increase, maintaining the sludge is reduced. If RG_reference indicates an increase, then at step 306, the node b establishes RG_non_reference for the current HARQ process to 0 (i.e., DTX) to increase speed, -1 for no change of speed or +1 to decrease the speed according to the scheduling block scheduling node Century

As RG, taken from the site, is intended for netlennogo HARQ process and previously adopted RG_reference indicates increase, interprets RG equal to +1, as a reduction of speed, RG 0 - as speed increases, and RG, -1, - as the lack of speed changes.

If at step 304 RG_reference specifies the save, then at step 308, the node b establishes RG_non_reference for the current HARQ process in the +1 to speed, 0 (i.e., DTX) - for lack of a speed change, or -1 to decrease the speed according to the scheduling block scheduling node Century as RG, taken from the site, is intended for netlennogo HARQ process, and RG_reference indicates preservation, interprets RG equal to +1, as the speed increases, RG equal to 0, as no change of speed, and RG is equal to -1, as the decrease of velocity.

If at step 304 RG_reference indicates a decrease, then at step 310, the node b establishes RG_non_reference for the current HARQ process to -1 to speed, +1 for the lack of speed changes, or 0 (i.e., DTX) to decrease the speed according to the Manager is Itachi in block scheduling node C. As RG, taken from the site, is intended for netlennogo HARQ process, and RG_reference point reduction interprets RG equal to +1, as the lack of speed changes, RG, 0 as reducing speed, and RG, -1, - as the speed increases.

Thus, if the node is going to send RG_non_reference identical RG_reference, it sets the DTX mode for the corresponding netlennogo HARQ process, thus reducing the service information signaling.

The above operation will be described in more detail on table 1 and table 2.

The following table 1 values RG_reference display the values ID_RG_reference that have the specified values. For RG_reference equal to +1, ID_RG_reference equal to 2, indicating the increase in the allowed maximum data rate. For RG_reference 0 ID_RG_reference equal to 1, indicating no change is allowed maximum data rate. For RG_reference -1 ID_RG_reference is 0, indicating the decrease in the allowed maximum data rate. The node and respectively generates and interprets values RG_reference according to table 1.

Table 1
RG_referenceID_RG_referenceValue
+12 Increase
01Save
-10Reduction

Generation and interpretation RG_non_reference can be expressed as the following function RG_non_reference described in the following table 2.

Table 2
RG_non_referenceID_RG_non_reference
+1(ID_RG_non_reference+1) mod 3
0ID_RG_non_reference mod 3
-1(ID_RG_non_reference-1) mod 3

In table 2, mod represents the operation module, and x mod y is the remainder of dividing x by y. In this document is that the function module produces a result in the range from 0 to |y-1| (a positive result). For example, "1 mod 3=1" (includes three one zero times, and provides a balance equal to one) and "-1 mod 3=2" (three included in minus one minus one times, and provides a balance equal to two). The node and respectively generates and interprets RG_non_reference, calculating ID_RG_non_reference according to table 2 and detecting ID_RG_reference having the same value as the calculated ID_RG_non_reference in table 1.

To simplify notation, define five of HARQ processes, from No. 1 to No. 5, and the HARQ process number 1 set as the reference HARQ process.

In with what you learn when a node transmits RG equal to +1 for the reference HARQ process number 1 to require an increase in the allowed maximum data rate (RG_reference=+1 and ID_RG_reference=2), if it then passes RG equal to +1, for HARQ process number 2 (RG_non_reference=+1), then ID_RG_non_reference for HARQ process number 2=(ID_RG_reference +1 mod 3=(2+1) mod 3=0. Therefore, seeking ID_RG_reference 0 in table 1, interprets RG_non_reference as an indication of the speed reduction. Thus, from the point of view of the node In when you give the command to reduce speed for HARQ process # 2, node b provides a signal to set RG_non_reference 1.

If the node transmits RG 0 for HARQ process number 2 (RG_non_reference=0), ID_RG_non_reference=ID_RG_reference mod 3=2 mod 3=2. Therefore, seeking ID_RG_reference 2 in table 1, interprets RG_non_reference as an indication of speed. Thus, from the point of view of the node In when you give the command speed for HARQ process # 2, node b provides a signal to set RG_non_reference to 0. If the node transmits RG -1 for HARQ process number 2 (RG_non_reference=-1), ID_RG_non_reference=(ID_RG_reference -1) mod 3=(2-1) mod 3=1. Therefore, seeking ID_RG_reference 1 in table 1, interprets RG_non_reference as an indication of the lack of speed changes. Thus, from the point of view of the node In when you give the command to lack of speed change for HARQ process # 2, node b provides a signal to set RG_non_reference in-1. Thus, the node and respectively generates and interprets RG (RG_non_reference and RG_reference) to follow what his reference HARQ process, ie the HARQ process number 5.

When a node transmits RG equal to 0 (i.e., DTX), for the reference HARQ process number 1 to indicate the absence of changes to the permitted maximum speed of data transfer (RG_reference=0 and ID_RG_reference=1), if it then passes RG equal to +1, for HARQ process number 2 (RG_non_reference=+1), ID_RG_non_reference for HARQ process number 2=(ID_RG_reference + 1 mod 3=(1+1) mod 3=2. Therefore, seeking ID_RG_reference 2 in table 1, interprets RG_non_reference as an indication of speed. Thus, from the point of view of the node In when you give the command speed for HARQ process # 2, node b provides a signal to set RG_non_reference in +1.

If the node transmits RG 0 for HARQ process number 2 (RG_non_reference=0, i.e. DTX), ID_RG_non_reference=ID_RG_reference mod 3=1 mod 3=1. Therefore, seeking ID_RG_reference 1 in table 1, interprets RG_non_reference as an indication of the lack of speed changes. Thus, from the point of view of the node In when you give the command to lack of speed change for HARQ process # 2, node is not transmitting RG in DTX mode. If the node transmits RG -1 for HARQ process number 2 (RG_non_reference=-1), ID_RG_non_reference=(ID_RG_reference -1) mod 3=(1-1) mod 3=0. Therefore, seeking ID_RG_reference 0 in table 1, interprets RG_non_reference as an indication of the speed reduction. Thus, from the point of view of the node In when you give the command to reduce the speed for HARQ process # 2, node b provides a signal to set RG_non_reference in-1. Thus, the node and respectively generates and interpretation the range RG (RG_non_reference and RG_reference) until the next reference HARQ process, ie the HARQ process number 5.

When a node transmits RG -1 for the reference HARQ process number 1 to indicate reducing the allowed maximum data rate (RG_reference=-1 and ID_RG_reference=0), if he then passes RG equal to +1, for HARQ process number 2 (RG_non_reference=+1), ID_RG_non_reference for HARQ process number 2=(ID_RG_reference + 1 mod 3=(0+1) mod 3=1. Therefore, seeking ID_RG_reference 1 in table 1, interprets RG_non_reference as an indication of the lack of speed changes. Thus, from the point of view of the node In when you give the command to lack of speed change for HARQ process # 2, node b provides a signal to set RG_non_reference in +1.

If the node transmits RG 0 for HARQ process number 2 (RG_non_reference=0, i.e. DTX), ID_RG_non_reference=ID_RG_reference mod 3=0 mod 3=0. Therefore, seeking ID_RG_reference 0 in table 1, interprets RG_non_reference as an indication of the speed reduction. Thus, from the point of view of the node In when you give the command to reduce speed for HARQ process # 2, node is not transmitting RG in DTX mode. If the node transmits RG -1 for HARQ process number 2 (RG_non_reference=-1), ID_RG_non_reference=(ID_RG_reference -1) mod 3=(0-1) mod 3=2. Therefore, seeking ID_RG_reference 2 in table 1, interprets RG_non_reference as an indication of speed. Thus, from the point of view of the node In when you give the command to increase speed for HARQ process # 2, node b provides a signal to set RG_non_reference to-1.

Thus, the node and respectively generates and RG until the next reference HARQ process, ie the HARQ process number 5.

Table 3 summarizes the installed node In RG (RG_reference and RG_non_reference) for HARQ processes.

Table 3
ManagementRG_referenceRG_non_reference
When RG_reference=1When RG_reference=0When RG_reference=-1
Increase+10+1+1
Save0-10-1
Reduction-1+1-10

Fig. 4 is a structural diagram of the transmitter of the node In accordance with an exemplary variant of implementation of the present invention.

For brevity, not shown channels, in addition to the combined code channel for transferring RG (RG_reference or RG_non_reference). The node sends k RG k FOR on one combined code channel using a total of k orthogonal sequences. Orthogonal sequences can be, for example, the Hadamard sequences.

Referring to Fig. 4, the transmitter node essentially is divided by the generator 430 signal RG and transmitter 450 radio. Generator 430 signal RG includes blocks with blocks 402-416 display signal RG and stand oriali with 414 at 428. The transmitter 450 signal includes blocks from the first adder 432 on scrambler 446.

When the operation unit 400 dispatching node generates a command RG (increase/saving/reduction) for each, given the ROT of the cell and the request for resource allocation from. Blocks 402-416 display signal RG display commands RG, taken from block 400 dispatching node In the signal RG according to the rule described as table 3, given the number of HARQ process to which use these commands RG. Controllers 406-420 gain adjust transmitted power using the appropriate coefficients 408-422 gain RG, Gain_RG for FOR for reliable transmission RG. To increase the reliability of transmission RG_reference, strengthening RG for the reference HARQ process may be higher using the specified offset. In this case, the gain RG for the reference HARQ process reported with alarm upper level or set in advance.

Range of RG with the adjusted power extend using orthogonal sequences 412-426, distributed appropriate, to identify them in blocks 410-424 spread spectrum, and repeat for the duration of the TTI in the repeaters 414-428. Repeated RG for all summarize using the first adder 432 and is converted into parallel signals into serial-to-parallel Converter (the PP) 434. Block 436 spread spectrum channel extends the range of parallel signals by using a common code channel selection Cch,SF,m438, distributed E-rgch field at the level of elementary signals. Among the signals spread spectrum level of elementary signals, the signal of the Q-branch of the shift in phase by 90 degrees in the block 440 rotation phase and then added to the signal of the I-branch of the second adder 442. The multiplexer (MPX) 444 multiplexes the total signal with signals from other channels and scrambler 446 scramblase multiplexed signal before sending it in.

Fig. 5 is a block diagram of the receiver according to an exemplary variant of implementation of the present invention.

For brevity, not shown channels, in addition to the combined code channel for transferring RG. In illustrated in Fig. 5 shows the receiver in arbitrary, No. 1 among k as mentioned in relation to Fig. 4.

Referring to Fig. 5, the receiver is essentially divided into the receiver 500 radio and interpreter 530 signal RG. The receiver 500 of the radio signal includes blocks from descrambler 502 random sequences in MP 512, and the interpreter 530 signal RG includes blocks from the adder 514 to block 522 decision signal RG.

When working signal descrambler in descrambler 502 random sequences, perform channel compensation is the s in block 504 channel compensation and share on the signal of the I-branch and the signal of the Q-branches in the demodulator 506 quadrature phase-shift keying (QPSK). Spectrum signals of the I-branch and Q-branch constrict using shared code channel selection Cch,sf,m510, distributed E-rgch field in block 508 compression spectrum, multiplexers in MP 512 and put in the adder 514, many times I repeat the repeaters 414-428. General code channel selection Cch,nf,m510 transmits to the radio network controller (RNC). The total signal has a duration of one slot. The correlator 516 correlates the total signal with an orthogonal code 518 - orthogonal code No. 1 distributed. Block 520 extraction signal RG compares the correlation value with a predetermined threshold value and outputs a signal RG, installed in one of the values +1, 0 and-1. Block 522 decision signal RG interprets the signal RG, given the signal RG and the number of the current HARQ process. More specifically, block 522 decision signal RG interprets the signal RG according to table 1, if the current HARQ process is a reference HARQ process, and according to table 2, if the current HARQ process is nataloni HARQ process.

Although not shown, the transmitter E-DCH transmit data uplink communication within the allowed maximum data rate, the updated according to the interpreted signal RG.

An implementation option 2

Fig. 6 - sequence of operations illustrating an exemplary operation for generating and interpretazionedeive dispatching according to a variant implementation of the present invention.

Typically, the team increase/saving/reduction, given by RG, applied to HARQ process with the same number. For example, if a node transmits RG, indicating an increase for HARQ process # 2, it has to increase the allowed maximum data rate applied to the last HARQ process number 2, at the specified level.

Referring to Fig. 6, at step 600, the node b determines whether the current HARQ process to which you want to distribute the data rate, the reference HARQ process. In the case of the reference HARQ process, at step 602, the node b determines the increase/saving/reduction for the reference HARQ process regarding the allowed maximum data transfer rate of the last HARQ process. On the other hand, in the case netlennogo HARQ process, at step 604, the node b determines the increase/saving/reduction for netlennogo HARQ process regarding the allowed maximum data rate of the reference HARQ process. Since high reliability is required for RG_reference, RG_reference preferably transmit with a higher transmit power than RG_non_reference. The passed value of the power settings (Gain_RG) for the reference HARQ process reported with alarm upper level or set in advance.

In accordance with this embodiment of us who Otsego of the invention, the transmitter node and the receiver is essentially identical to that shown in Fig. 4 and 5 for configuration and operation, except for the generation and interpretation of RG, which is based on the above rule, as shown in Fig. 6.

An implementation option 3

Fig. 7 is a sequence of operations illustrating an operation for generating and interpreting a provision of dispatch according to another exemplary variant of implementation of the present invention.

Referring to Fig. 7, at step 700, the node b determines whether the current HARQ process, which distribute the data rate, the reference HARQ process. If the current HARQ process reference process, at step 702, the node b determines the value of RG increase/saving/reduction relative to the last allowed maximum data rate of the reference HARQ process for. On the other hand, if at step 700 the current HARQ process is nataloni process, then at step 704, the node determines if the last RG reference HARQ process increase/saving/reduction.

If RG_reference indicates an increase, then at step 706, the node compares the maximum speed of data transfer process, non-HARQ, with the latest allowed maximum data rate of the reference HARQ process. To increase the speed with lately is th maximum data transfer speed reference HARQ process, the node sets RG_non_reference for the current HARQ process to 0 (i.e., DTX), -1 for no change of speed or +1 to decrease the speed. As RG, taken from the site, is intended for netlennogo HARQ process and provisionally accepted RG_reference point increase, interprets RG equal to +1, as the reduction in the rate, RG, 0, - how to increase the speed and RG -1, - as the lack of speed changes.

If at step 704 RG_reference specifies the save, then at step 708, the node compares the maximum speed of data transfer process, non-HARQ, with the latest allowed maximum data rate of the reference HARQ process. To speed with the latest allowed maximum data rate reference HARQ process, the node b establishes RG_non_reference for the current HARQ process in +1, 0 (i.e., DTX) - for lack of speed changes or -1 to decrease the speed. As RG, taken from the site, is intended for netlennogo HARQ process, and RG_reference point preserve, interpret RG equal to +1, as the speed increases, RG equal to 0, as no change of speed and RG -1 - like decrease of velocity.

If at step 704 RG_reference indicates a decrease, then at step 710, the node compares the maximum speed of data transfer process, not awsume the Osia HARQ, with the latest allowed maximum data rate of the reference HARQ process. To speed with the latest allowed maximum data rate of the reference HARQ process, the node b establishes RG_non_reference for the current HARQ process in -1, +1 for the lack of speed changes or 0 (i.e., DTX) to decrease the speed. As RG, taken from the site, is intended for netlennogo HARQ process and RG_reference point reduction interprets RG equal to +1, as the lack of speed changes, RG, 0 as reducing speed, and RG, -1, - as the speed increases.

Thus, if the node is going to send RG_non_reference, which is identical RG_reference, it sets the DTX mode for transmission netlennogo HARQ process, thus reducing the service information signaling.

Since high reliability is required for RG_reference, RG_reference preferably transmit with a higher transmit power than RG_non_reference. The value of transmit power settings (Gain_RG) for the reference HARQ process reported with alarm upper level or pre-set.

In accordance with a third embodiment of the present invention, the transmitter node and the receiver is essentially identical to that shown in Fig. 4 and 5 for configuration and operation, except for the gene is the radio and interpretation RG, based on the above rule, illustrated in Fig. 7.

An implementation option 4

Fig. 8 is a sequence illustrating the operation of generation and interpretation provide dispatching according to another exemplary variant of implementation of the present invention.

Referring to Fig. 8, the node b determines which of the teams RG, increase/saving/reduction for the current HARQ process will move on to step 800.

If the RG indicates the increase or decrease, then the node b To RG equal to +1, to increase or RG -1 for reducing the allowed maximum data transfer rate on the phase 802 or 804. This command is applied to the velocity data used in the previous HARQ process with the same process number as the number of the current HARQ process.

Increment or decrement, which are involved in increasing or decreasing the speed set in advance or reported with alarm upper level, i.e. with alarm radio resource control (RRC) from the RNC. Since the increase/no increase/increase the allowed maximum data rate BY performing relative to the speed of data transmission used in the previous HARQ process with the same process number, the block Manager is Itachi node can efficiently manage resources ROT.

If at step 800 RG specifies the save, then at step 806, the node transmits RG equal to 0, i.e. in the DTX mode. RG, indicating preservation, is applied relative to the allowed maximum data transfer rate of the previous HARQ process to the current HARQ process. Thus, when a node is going to allow the same maximum data rate of the previous HARQ process for the current HARQ process, service information signaling downlink is reduced. In addition, even though the software has not passed the data in the previous HARQ process with the maximum allowed data rate, the same maximum speed of data transmission can be provided for the current HARQ process without any time delay.

The above operation generalize to

SG (k, n)=R _used (k, n-1)+Delta(2)

SG (k, n)=R_used (k, n-1)-Delta(3)

SG (k, n)=R_used (k-1, n)(4)

SG (0, n)=SG (k-1, n-1)(5)

Variables in equations with EQ. (2) in EQ. (5) is determined as follows.

k: the number of the HARQ process. In total, define k HARQ processes of the HARQ process number 0 to the HARQ process # k.

n: counter TTI HARQ process. n is incremented by 1 every k HARQ processes.

SG (k, n): used before the etch, specifying the allowed maximum data rate for the n-th TTI for the k-th HARQ process.

R_used (k, n): the actual data transfer rate or the ratio of the power of E-DCH power of the reference channel, which is used in the n-th TTI for the k-th HARQ process.

Delta: the increment or decrement with increasing or decreasing speed, which is based on RG. Its pre-set or report with alarm at the top level.

When accepts SG (k, n) for the n-th TTI k-th HARQ process from a node In the allowed maximum data rate is determined as follows.

If RG (k, n)=+1, then it indicates an increase. Thus, the maximum data rate increase on the Delta with the data transfer rate used in the (n-1)-th TTI k-th HARQ process according to EQ. (2). If RG (k, n)=-1, then it indicates a decrease. Thus, the maximum data rate reduced by the Delta with the data transfer rate used in the (n-1)-th TTI k-th HARQ process according to EQ. (3).

If RG (k, n)=0 (i.e., DTX), it indicates saving. Thus, the maximum data transfer rate depends on the number of HARQ process k. If k is not 0, then the maximum data rate is a maximum data rate of the n-th TTI (k-1)-th process is sa HARQ according to EQ. (4). If k is 0, then the maximum speed of data transfer equal to the allowed maximum data rate (n-1)-th TTI (k-1)-th HARQ process according to EQ. (5).

In accordance with this embodiment of the present invention, the transmitter node and the receiver is essentially identical to that shown in Fig. 4 and 5 for configuration and operation, except for the generation and interpretation of RG, which is based on the above rule, as shown in Fig. 8.

As described above, embodiments of the present invention mainly increase the efficiency when generating the RG as provide dispatching for speed control data in the node and in the interpretation RG and reduce service information signaling downlink, which is the result of frequent gear RG for transmission on E-DCH to which is applied a managed node In a dispatch.

Although the invention has been shown and described with respect to specific exemplary embodiments, the specialists will be understood that various changes in form and details may be made without departing from the essence and scope of the invention which is defined in accordance with the attached claims.

1. A method of transferring packet data in a mobile communication system of the hybrid query auto is adicheskogo repeat (HARQ), namely, that

accept the conditional grant (RG) as the information of the speed control from the first transceiver to the second transceiver;

set the maximum speed of data transmission of the HARQ process to which apply the RG, the maximum speed of data transmission of the HARQ process preceding the given HARQ process using the second transceiver if the RG indicates conservation; and

transmit packet data within the specified permitted maximum speed of data transmission to the first transceiver from the second transceiver.

2. The method according to claim 1, in which additionally, if the RG indicates increase, increase the last data transmission rate used for the HARQ process to which apply RG to a certain level, and establish enhanced data rate as a permitted maximum speed of data transmission of the HARQ process to which apply the RG.

3. The method according to claim 1, in which additionally, if the RG indicates a decrease, reduce the last data transmission rate used for the HARQ process to which apply RG to a certain level, and establish a reduced data rate as allowed maximum data rate p is ocess HARQ, to which apply the RG.

4. The method according to claim 1, wherein, if the RG indicates the preservation, at the stage of admission accept RG from the first transceiver to the second transceiver in intermittent mode (DTX) transmission.

5. The method according to claim 1, in which RG indicates the change of the power ratio of the physical channel carrying packet data, to the power of the reference physical channel, which is equivalent to the allowed maximum data rate of the HARQ process to which apply the RG.

6. The method according to claim 2, in which the specified level reported from the radio network controller (RNC) alarm radio resource control (RRC).

7. The method according to claim 3, in which the specified level reported from the radio network controller (RNC) alarm radio resource control (RRC).

8. Method of transmitting control information for receiving packet data in the system for mobile communications hybrid automatic query retry (HARQ), namely, that

determine a maximum data rate for a given HARQ process for the second transceiver, and set conditional grant (RG) as the information of the speed control in the preservation, if a certain allowed maximum data rate equal to the allowed maximum data rate of the HARQ process prior is acceptable to the HARQ process, using the first transceiver; and

pass RG in the second transceiver using the first transceiver.

9. The method according to claim 8, which further set RG to increase through the first transceiver, if a certain allowed maximum data rate above the latest allowed maximum data rate of a given HARQ process.

10. The method according to claim 8, which further set RG in the reduction using the first transceiver, if a certain allowed maximum data rate below the latest allowed maximum data rate of a given HARQ process.

11. The method according to claim 8, in which, if the RG indicates preservation, during transmission transmit RG in the second transceiver in intermittent mode (DTX) transmission.

12. The method according to claim 8, in which RG indicates the change of the power ratio of a physical channel for transmitting packet data from the second transceiver to the power of the reference physical channel, which is equivalent to the allowed maximum data rate of a given HARQ process.

13. Device for transmitting packet data in the system for mobile communications hybrid automatic query retry (HARQ), containing

the receiver designed for narrow spectra the RA signal, received from the first transceiver, using a distributed shared code channel selection; and

the interpreter of the signal conditional grant (RG), designed to detect RG as information to control the speed of the signal with narrow range, and for setting the allowed maximum data rate of the HARQ process to which apply the RG, the maximum speed of data transmission of the HARQ process preceding the given HARQ process, if the RG indicates preservation.

14. The device according to item 13, in which, if the RG indicates increase, the interpreter of the signal RG increases the data rate used for the HARQ process to which apply RG to a certain level, and sets the increased data rate as a permitted maximum speed of data transmission of the HARQ process to which apply the RG.

15. The device according to item 13, in which, if the RG indicates a decrease, the interpreter of the signal RG reduces the last data transmission rate used for the HARQ process to which apply RG to a certain level, and sets the reduced data transmission rate as a permitted maximum speed of data transmission of the HARQ process to which apply the RG.

16. The device according to item 13, in which, if the RG indicates preservation, RG principle is thought from the first transceiver in intermittent mode (DTX) transmission.

17. The device according to item 13, in which RG indicates the change of the power ratio of a physical channel for transferring packet data to the reference power of the physical channel, which is equivalent to the allowed maximum data rate of the HARQ process to which apply the RG.

18. The device according to item 13, in which the shell signal RG interprets RG according to the first rule, taking into account the RG and the number of the HARQ process to which apply the RG, if the HARQ process to which apply the RG, is a reference HARQ process, and according to the second rule, taking into account the RG and the number of the HARQ process to which apply the RG, if the HARQ process to which apply the RG is nataloni HARQ process.

19. The device according to item 13, in which, if the HARQ process to which apply the RG, is a reference HARQ process, the interpreter of the signal RG increases, maintains or decreases the latest allowed maximum data rate of the HARQ process to which the applied RG, according to RG, given the RG and the number of the HARQ process to which apply the RG, and sets increased, maintained or reduced the allowed maximum data rate as a permitted maximum speed of data transmission of the HARQ process to which apply the RG, and, if the HARQ process to which apply the RG is nataloni process HARQ, and thecreator signal RG increases, maintains or decreases the latest allowed maximum data rate of the reference HARQ process according to RG, given the RG and the number of the HARQ process to which apply the RG, and sets increased, maintained or reduced the allowed maximum data rate as a permitted maximum speed of data transmission of the HARQ process to which apply the RG.

20. The device according to item 13, in which the shell signal RG interprets RG, using the latest allowed maximum data rate of the reference HARQ process according to the first rule, taking into account the RG and the number of the HARQ process to which apply the RG, if the HARQ process to which apply the RG, is a reference HARQ process, and using the latest allowed maximum data rate of the reference HARQ process according to the second rule, taking into account the RG and the number of the HARQ process to which apply the RG, if the HARQ process to which apply the RG is nataloni HARQ process.

21. The device according to item 13, in which the receiver contains descrambler designed to diskriminirovaniya received signal;

block channel compensation intended for channel compensation descrambling signal;

the demodulator quadrature phase-shift keying (QPSK), designed the config to separate the signal from the channel compensation on the signal of the I-branch and the signal of the Q-branch;

block compression range, designed for compression of the signal spectrum of the I-branch and the signal of the Q-branch using shared code channel selection, distributed RG; and

a multiplexer that is designed to multiplex signals from compressed spectrum and provide multiplexed signals in the signal interpreter RG.

22. The device according to item 21, in which the shell signal RG contains accumulating adder, designed for accumulation of the multiplexed signal as many times as I repeat in the first transceiver;

the correlator designed to correlate the accumulated signal distributed orthogonal sequence and output the correlation values;

the block selection signal RG, designed to detect RG having one of three values +1, 0 and -1, by comparing the correlation values with a preset threshold value; and

the block decision signal RG, designed to determine the maximum allowed data rate for the HARQ process to which the applied RG, given the signal RG and the number of the HARQ process to which apply the RG.

23. Device for transmitting control information for receiving packet data in the system for mobile communications hybrid automatic query retry (HARQ), containing

block dispatcher the purpose of the site, designed to determine the allowed maximum data rate for a given HARQ process for the second transceiver;

the signal generator conditional grant (RG), designed for the installation of RG as information speed control in conservation, if a certain allowed maximum data rate equal to the allowed maximum data rate of the HARQ process preceding a given HARQ process; and the transmitter, for transmitting RG in the second transceiver.

24. The device according to item 23, in which the signal generator RG sets the RG in increase, if a certain allowed maximum data rate above the latest allowed maximum data rate of a given HARQ process.

25. The device according to item 23, in which the signal generator RG sets the RG in the reduction using the first transceiver, if a certain allowed maximum data rate below the latest allowed maximum data rate of a given HARQ process.

26. The device according to item 23, wherein, if the RG indicates preservation, the transmitter transmits the RG to the second transceiver in intermittent mode (DTX) transmission.

27. The device according to item 23, in which RG indicates the change of the carrying capacity of a physical channel for transmitting packet data from the second transceiver to the power of the reference physical channel, which is equivalent to the allowed maximum data rate of a given HARQ process.

28. The device according to item 23, in which the signal generator RG contains the block display signal RG, designed to generate RG according to the predetermined rule, given the number of a given HARQ process, and display the RG signal RG;

the controller gain, for changing the transmission power of the signal RG using the gain control signal RG;

the expansion unit range, designed for the spread spectrum signal RG with the adjusted power by using the orthogonal sequence allocated to the second transceiver; and

repeater, designed to repeat the signal RG spread spectrum along the length of the time interval of the transmission.

29. The device according to p, in which the transmitter includes a first adder, designed to add repeated signal RG signals RG for other transceivers and output of the first total signal;

serial-to-parallel Converter, designed for converting total signal into parallel signals;

the unit of the spread spectrum channel, designed to broaden the spectrum of parallel signals by using a common code channel selection, distributed to front and RG;

block rotation phase, designed to shift the phase of the signal of the Q-branch among signals with spread spectrum;

a second adder, designed to add out of phase signal Q-branch signal on the I-branch among signals with spread spectrum and output of the second aggregate signal;

the multiplexer designed for multiplexing the second total signal with signals from other channels; and

scrambler designed for scrambling the multiplexed signal and transmitting a scrambled signal to the second transceiver.

30. The device according to item 23, in which the display unit of the signal RG displays RG to 0, -1 or +1 to indicate increase, maintain or decrease according to the second rule, if a given HARQ process is nataloni HARQ process and RG for the reference HARQ process indicates an increase.

31. The device according to item 23, in which the display unit of the signal RG displays RG +1, 0 or -1 to indicate increase, maintain or decrease according to the second rule, if a given HARQ process is nataloni HARQ process.

32. The device according to item 23, in which the display unit of the signal RG displays RG -1, +1 or 0 to indicate increase, maintain or decrease according to the second rule, if a given HARQ process t is aetsa nataloni HARQ process.

33. The device according to item 23, in which the display unit of the signal RG displays RG +1, 0 or -1 to indicate increase, maintain or decrease.

34. The device according to item 23, in which the block scheduling node generates the signal RG according to the first rule, if a given HARQ process is a reference HARQ process, and according to the second rule, if a given HARQ process is nataloni HARQ process.

35. The device according to item 23, wherein, if a given HARQ process is a reference HARQ process, the unit dispatch node increases, decreases or maintains the latest allowed maximum data rate of a given HARQ process according to RG and sets increased, decreased or stored maximum speed of data transfer as allowed maximum data rate of a given HARQ process, and if a given HARQ process is nataloni the HARQ process, the unit dispatch node increases, decreases or maintains the latest allowed maximum data rate of the reference HARQ process according to RG and sets increased, decreased or retained, the maximum allowed the data rate as allowed maximum data rate of a given HARQ process.

36. The device is about item 23, where block scheduling node generates the signal RG, using the latest allowed maximum data rate of the reference HARQ process according to the specified first rule, if a given HARQ process is a reference HARQ process, and using the latest allowed maximum data rate of the reference HARQ process according to the second rule, if a given HARQ process is nataloni HARQ process.



 

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