KR100909543B1 - Method and apparatus for transmitting / receiving control information in mobile communication system supporting packet data transmission - Google Patents

Abstract

The present invention relates to a mobile communication system supporting a packet data service, and more particularly, to a method and apparatus for transmitting and receiving control information for a hybrid automatic repeat request (HARQ). In a method for transmitting control information related to transmission of uplink packet data in a mobile communication system according to the present invention, a CRC (Cyclic Redundancy Check code) generated for error detection of the control information and a terminal to which the control information is to be applied are identified. Generating a 16-bit UE-ID specific CRC by combining a terminal identifier (UE-ID), and adding the terminal-specific CRC and 8-bit tail bits to 6-bit control information. And encoding 90-bit encoded bits by encoding at a code rate of 1/3, and performing a rate-matching of the encoded bits according to a rate matching pattern to generate a 60-bit rate matched block. And transmitting the rate matched block to the terminal, wherein the rate matching pattern representing the positions of punctured bits of the encoded bits is {1, 2, 5, 6; , 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83, 84, 85, 87, 88 , 90}.

WCDMA, E-DCH, Rate matching, Convolutional code

Description

METHOD AND APPARATUS FOR TRANSMITTING / RECEIVING CONTROL INFORMATION IN MOBILE TELECOMMUNICATION SYSTEM FOR PACKET DATA TRANSMISSION}

1 is a message flow diagram illustrating a typical data transmission and reception procedure through an E-DCH.

2A and 2B illustrate a convolutional encoder having code rates 1/3 and 1/2, respectively.

3 is a diagram showing an apparatus for transmitting a base station according to a preferred embodiment of the present invention.

4 is a diagram illustrating a receiving device of a terminal according to an exemplary embodiment of the present invention.

The present invention relates to a mobile communication system supporting a packet data service, and more particularly, to a method and apparatus for transmitting and receiving control information for a hybrid automatic repeat request (HARQ).

Third generation, based on the European mobile system Global System for Mobile Communications (GSM) and General Packet Radio Services (GPRS), and using Wideband Code Division Multiple Access (CDMA) UMTS (Universal Mobile Telecommunication Service) system, a mobile communication system, is a consistent service that enables mobile phone or computer users to transmit packet-based text, digitized voice or video, and multimedia data at high speeds of 2 Mbps or more anywhere in the world. To provide.

In particular, in the UMTS system, the uplink from the user equipment (UE) to the base station (BS, Node B), that is, the uplink (uplink: UL) communication in order to further improve the performance of packet transmission in the uplink (UL) communication A transport channel called an Enhanced Uplink Dedicated Channel (hereinafter referred to as EUDCH or E-DCH) is used. E-DCH supports Adaptive Modulation and Coding (AMC), Hybrid Automatic Retransmission Request (HARQ), and Short TTI (Shorter Transmission Time Interval) to support more stable high-speed data transmission. Technology such as base station control scheduling.

AMC is a technology that improves the resource usage efficiency by determining the modulation method and the coding method of the data channel according to the channel state between the base station and the terminal. The combination of modulation scheme and coding scheme is called MCS (Modulation and Coding Scheme), and various MCS levels can be defined according to the supported modulation scheme and coding scheme. That is, the AMC adaptively determines the level of the MCS according to the channel state between the terminal and the base station, thereby increasing resource usage efficiency.                         

HARQ refers to a technique of retransmitting an error packet in the initial transmission in order to compensate for the error packet when an error occurs in the initially transmitted data packet. The short TTI reduces the retransmission delay by allowing the transmission of packet data with a TTI of less than 10 ms, which is the current minimum TTI of Rel.5, resulting in higher system performance. 2 ms is currently considered as the short TTI.

In the base station control scheduling, when transmitting data using the E-DCH, the base station determines whether uplink data is transmitted and an upper limit of a possible data rate, and transmits the determined information to the terminal, and the terminal refers to the scheduling command. This means a method of transmitting the E-DCH by determining the data rate.

The base station control scheduling allocates a low data rate to terminals far away from the base station while preventing the measurement noise increase (RoT) of the base station from exceeding a target value in order to improve the performance of the entire system. And, it is performed by assigning a high data rate to the terminals near. RoT represents a radio resource used by the base station in the uplink, and is defined as in Equation 1 below.

RoT = I ₀ / N ₀

I ₀ represents the amount of total uplink signal received by the base station as a power spectral density in the base station full reception band. N ₀ is the thermal noise power spectral density of the base station. Therefore, the maximum RoT allowed is the total radio resource that the base station can use in the uplink. The total RoT of the base station is represented by the sum of inter-cell interference, voice traffic, and E-DCH traffic. If the base station control scheduling is used, it is possible to prevent a plurality of terminals from transmitting packet data at a high data rate at the same time, thereby ensuring reception performance by maintaining the reception RoT as a target RoT.

1 is a flowchart illustrating a typical data transmission and reception procedure through an E-DCH. Here, the terminal transmits uplink data through the E-DCH, and the base station performs base station scheduling for the terminal.

Referring to FIG. 1, the base station and the terminal configure an E-DCH in step 102. The configuration includes the delivery of messages over a dedicated transport channel. When the E-DCH is configured, the UE informs the BS of scheduling information in step 104. The scheduling information may be a terminal transmission power information and redundant power information that can know the uplink channel information, and the amount of data to be transmitted in the buffer of the terminal.

The base station schedules each terminal while monitoring scheduling information received from the various terminals in step 106. When the base station determines to allow uplink packet transmission to the terminal, the base station transmits a scheduling command including scheduling assignment information to the terminal as shown in step 108. The scheduling allocation information may include a maximum allowable data rate and an allowable timing, or increase / maintenance / decrement information about a previous data rate. The terminal determines the E-DCH Transport Format (E-TF) of the E-DCH in step 110 using the scheduling allocation information, and the E-TF information in steps 112 and 114. Is transmitted to the base station together with the E-DCH packet data.

In step 116, the base station determines whether there is an error in the E-TF information and the E-DCH packet data. Transmit to the terminal through the ACK / NACK channel. When the ACK is transmitted in step 118, the UE transmits the new data after the transmission of the E-DCH packet data is completed, and when the NACK is transmitted, the UE transmits the E-DCH packet data through the E-DCH. Resend.

In such an environment, in order to efficiently perform scheduling, the base station receives scheduling information such as a buffer state and a power state of the terminal from the terminal, a terminal far away from the terminal or a channel having poor channel condition, and a low priority of data to be serviced. A low data rate is allocated to the terminal, and a high data rate is allocated to a nearby terminal or a terminal having good channel conditions or a high priority of data to be serviced.

However, in the E-DCH, an eNB grants an absolute grant of the maximum allowable data rate of the terminal as a scheduling command to the terminal and a relative grant that indicates the increase / maintenance / decrement of the previous maximum allowed data rate. ), A technique for reliable transmission and reception of the scheduling command is required.

The present invention for meeting the above requirements, and provides a method and apparatus for transmitting and receiving control information having a small block size, such as the scheduling command of the E-DCH.

The present invention provides a method and apparatus for transmitting and receiving control information requiring high reliability, such as an absolute grant (AG) indicating a maximum allowable data rate of a terminal.

In a method for transmitting control information related to transmission of uplink packet data in a mobile communication system according to the present invention, a CRC (Cyclic Redundancy Check code) generated for error detection of the control information and a terminal to which the control information is to be applied are identified. Generating a 16-bit UE-ID specific CRC by combining a terminal identifier (UE-ID), and adding the terminal-specific CRC and 8-bit tail bits to 6-bit control information. And encoding 90-bit encoded bits by encoding at a code rate of 1/3, and performing a rate-matching of the encoded bits according to a rate matching pattern to generate a 60-bit rate matched block. And transmitting the rate matched block to the terminal, wherein the rate matching pattern representing the positions of punctured bits of the encoded bits is {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83, 84, 85, 87, 88, 90}.

In addition, the apparatus for transmitting control information related to transmission of uplink packet data in a mobile communication system according to the present invention includes a terminal identifier for identifying a terminal to which the control information is applied and a CRC generated for error detection of the control information. A UE-specific CRC combiner for combining a UE-ID to generate a 16-bit UE-ID specific CRC, and adding the UE-specific CRC and 8-bit tail bits to 6 bits of control information. And a channel encoder for generating 90-bit encoded bits by encoding at a code rate of 1/3, and performing a rate-matching of the encoded bits according to a rate matching pattern to generate a 60-bit rate matched block. And a physical channel mapping unit for transmitting the late matched block to the terminal, wherein the bit matching unit comprises: a position indicating a position of puncturing bits of the encoded bits; The lattice matching pattern is {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75 , 77, 80, 83, 84, 85, 87, 88, 90}.
In addition, the method for receiving control information related to transmission of uplink packet data in a mobile communication system according to the present invention comprises the steps of: extracting a 60-bit rate matched block from a signal received from a base station; Reverse-latching the block according to the rate matching pattern to output 90-bit coded bits, and decoding the coded bits at a code rate of 1/3 to determine 6-bit control information and 16-bit terminal specification. And outputting the control information by inspecting the terminal specific CRC, wherein the rate matching pattern representing the position of the bits to be punctured in the rate matched block is {1; , 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83, 84 , 85, 87, 88, 90}.
An apparatus for receiving control information related to transmission of uplink packet data in a mobile communication system includes an inverse physical channel mapping unit for extracting a 60-bit rate matched block from a signal received from a base station, and the rate matched block. The reverse-lattice matching unit outputs 90-bit coded bits by performing reverse-lattice matching according to a late-matching pattern, and decodes the coded bits at a code rate of 1/3 to control 6 bits and 16 bits. A channel decoder for outputting a terminal specific CRC and a CRC checker for inspecting the terminal specific CRC and outputting the control information, wherein the rate matching indicates a position of bits that are back-perforated in the line matched block. The pattern is {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83, 84, 85, 87, 88, 90}.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that detailed descriptions of related well-known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

The present invention specifically provides an embodiment based on an enhanced uplink dedicated channel (E-DCH) of a UMTS communication system.                     

In the E-DCH, a physical channel for transmitting an absolute grant (hereinafter, referred to as AG) information to a user equipment by the base station is called an E-AGCH (E-DCH Absolute Grant Channel). The AG information is determined by the scheduler of the base station according to the scheduling information received from the terminals and the uplink radio resource of the base station.

The AG information includes a maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset, an AG validity time indicator indicating how long the AG information is valid, and the AG information. It may consist of information such as an AG valid process indicator indicating whether it is valid for only one process of HARQ or valid for all processes of HARQ. The power offset may include an enhanced dedicated physical data channel (E-DPDCH) to which an E-DCH is mapped to a reference physical channel (specifically, a dedicated physical control channel (DPCCH)) that is power controlled. (Maximum E-DPDCH / DPCCH power ratio) The maximum allowable data rate of the UE or the corresponding power offset is 4 to 8 bits, and the AG validity time indicator is 1 bit. In addition, the AG valid process indicator is considered to be configured with 1 bit, and the E-AGCH is a cyclic redundancy check code for detecting an error of the UE information and a UE-ID for identification of a terminal on a common channel. The UE-ID and the CRC are 16 bits, respectively, modulo-2, and transmitted through the E-AGCH together with the AG information in the form of a 16-bit CRC masked with the UE-ID. It is included in the information.

Therefore, the control information transmitted through the E-AGCH is considered to be 21 to 26 bits in total. The control information, particularly AG information, configured as described above is for controlling the allocation of efficient radio resources and requires high reliability in the transmission process.

In a general communication system, a channel encoding method is used for reliable transmission and reception of data. The channel encoding adds additional information to data to be transmitted, thereby enabling the receiver to recover from errors occurring in the transmission process.

As a channel coding method for reliable transmission and reception of E-AGCH, a convolutional code having a constraint length of 9 and a code rate of 1/3 defined in the 3GPP standard may be considered. . A total of 21 to 26 bits of control information transmitted through the E-AGCH is encoded by 87 to 102 codes by applying a 1/3 code rate after 8 bits of tail bits are added through the convolutional coding. Coded bits ((21 + 8) * 3 = 87, (26 + 8) * 3 = 102).

2A shows an encoder 200 of a convolutional code having a constraint length of 9 and a code rate of 1/3 defined in the 3GPP standard.

Referring to FIG. 2A, the encoder 200 may include eight serially connected shift registers 202, 204, 206, 208, 210, 212, 214, and 216, and an input bit or the shift registers 202 to 216. It consists of a plurality of adders (202b / c, 204a / c, 206a / b, 208b, 210a / c, 212a, 214a / b, 216a / b / c) that take an output bit of The input information including the passes through the shift registers 202 through 216 sequentially from the first bit to generate encoded bits in the order of output0, output1, output2, output0, output1, output2,...

The channel coded control information is transmitted during the 2 ms TTI of the E-AGCH. When the spreading factor (SF) 256 and the quadrature phase shift keying (QPSK) modulation scheme are applied to the E-AGCH, the number of bits that can be transmitted during the 2ms TTI is 60 bits in total. Accordingly, at least 27 bits (= 87-60) to at most 42 bits (= 102-60) of the encoded control information transmitted through the E-AGCH are punctured. Rate matching may apply rate matching for the puncturing. The rate matching is performed by puncturing or repeating bits of a specific position in a channel coded bit string of one block in consideration of the spreading index and the modulation scheme, thereby equalizing the number of channel coded bits and the number of bits that can be transmitted to a physical channel. It plays a role. Rate matching typically maintains positions of bits that are punctured or repeated in the channel coded bit stream as evenly as possible.

However, when the rate matching rule is applied to an E-AGCH that transmits control information having a small size (eg, about 20 bits), it is difficult to obtain an optimal block error rate (BLER). Because if a block consisting of a relatively small number of bits is encoded with a convolutional code as described above and the rate matching operation is applied, a bit error rate of a start part and an end part of the one block may be obtained. BER) appears low and the bit error rate in the middle of the block appears high, which increases the Block Error Rate (BLER) and decreases the reliability of the E-AGCH. Here, block error occurs when an error occurs for at least one or more bits in a block. If a bit error rate of a specific part is low within a block but the bit error rate of the other parts is high, the effect of performance improvement in terms of block error rate Rather, it can lead to poor performance.

That is, the block error rate of the E-AGCH control information should be lowered in order to transmit and receive high reliability of E-AGCH control information. You can't get performance.

Accordingly, preferred embodiments of the present invention provide rate matching that can transmit control information with a small block size while minimizing block error rate. In other words, in the E-AGCH, which transmits a small control information of about 20 bits by channel coding the convolutional code, the block error rate can be reduced by minimizing the change of the bit error rate for each bit position in the control information of one block. We propose a rate matching pattern.

Preferred embodiments of the present invention described below show a rate matching pattern for improving the performance of the block error rate of control information transmitted through the E-AGCH. That is, in the first embodiment, when the AG information consists of 6 bits, in the second embodiment, when the AG information consists of 7 bits, and in the third embodiment, when the AG information consists of 8 bits, in the fourth embodiment, the AG information includes 9 bits. When configured, the fifth embodiment presents a rate matching pattern for each case where the AG information consists of 10 bits and the transmission / reception operation for the case where the AG information consists of 5 bits.

<Example 1>

Embodiment 1 presents a rate matching pattern for the case where the AG information consists of 6 bits. The AG information is 4-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset, and 1-bit AG validity indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It consists of 5 bits of information indicating and the AG validity time indicator of 1 bit indicating how long the AG information is valid.                     

In another case, the AG information includes 5 bits of information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Information including an AG valid process indicator of the terminal or information indicating a maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG valid time indicator, the AG valid process indicator, and other E-AGCHs; 6 bits of control information can be configured.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information identifying each UE on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 22 bits of control information obtained by concatenating the 6-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/3 and a constraint length of 9 is added. When encoded, one channel coded block consisting of a 90-bit coded bit stream is generated. The 90-bit channel coded block is made of a 60-bit rate-matched block through 30-bit puncturing for transmission during an E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate Matching Pattern =

{1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83 , 84, 85, 87, 88, 90}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 18, 24, 48, 51, 54, 57, 60, 63, 66, 75, 78, 80, 81, 83 , 84, 86, 87, 89, 90}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 18, 21, 24, 57, 60, 66, 69, 75, 78, 80, 81, 83, 84, 85 , 86, 87, 88, 89, 90}, or

{1, 2, 3, 5, 6, 7, 8, 12, 14, 15, 18, 23, 25, 48, 50, 52, 57, 59, 61, 71, 75, 77, 79, 80, 82 , 84, 86, 87, 88, 89}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 24, 42, 48, 54, 57, 60, 66, 75, 78, 80, 81, 83, 84, 85 , 86, 87, 88, 89, 90}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 18, 24, 48, 50, 52, 57, 59, 61, 66, 75, 78, 80, 81, 83 , 84, 86, 87, 89, 90}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 24, 42, 54, 57, 60, 66, 69, 75, 78, 80, 81, 83, 84, 85 , 86, 87, 88, 89, 90}, or

{1, 2, 3, 5, 6, 7, 8, 10, 12, 14, 15, 18, 23, 25, 50, 52, 57, 59, 61, 71, 75, 77, 79, 80, 82 , 84, 86, 87, 88, 89}

Each component of the rate matching patterns represents a position of bits to be punctured among channel coded bits 1 to 90. If the TTI length of the E-AGCH is 10ms, the structure of the E-AGCH of the 2ms TTI is repeated 5 times to implement the 10ms TTI E-AGCH.

3 shows an E-AGCH base station transmitter for implementing Embodiment 1. FIG.

Referring to FIG. 3, AG information 302 composed of 6 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 22 bits of control information to the channel encoder 308. The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/3, thereby adding a code bit of 1/3 after adding 8-bit tail bits to the 22-bit control information. Apply to output a coded block consisting of a total of 90 coded bits.

The rate matching unit 310 performs a puncturing on the 90-bit coded block according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314. At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 manages a channel code rate for the channel encoder 308, a rate matching pattern for the rate matching unit 310, and the like. In particular, the control information transmission controller 316 stores at least one of the above-described plurality of rate matching patterns, and applies one of the rate matching patterns to the rate matching unit 310. Here, the applied line matching pattern is promised in advance at the transmitting side and the receiving side. The control information transmission controller 316 may be included in a packet data reception controller (not shown) that controls the reception of packet data through the E-DCH.

Figure 4 shows a receiving device of the terminal of the E-AGCH for implementing the first embodiment.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block. Here the position of the punctured bits is filled with bit '0'. On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After the encoded subblocks are obtained, the encoded subblocks are combined into one encoded block.

The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 6 bits of AG information and 16 bits of UE-ID specific CRC. The UE-ID specific CRC separator 410 extracts 16-bit CRC by modulo-2 operation of the 16-bit UE-ID 412 of the terminal bit by bit on the 16-bit UE-ID specific CRC. The extracted CRC and the AG information are applied to the CRC checker 414.

The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.
In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. , Control of reception of control information for the E-DCH by the CRC checker 414 or the like. In more detail, the control information receiving controller 418 manages a rate matching pattern for the reverse rate matching unit 406, a channel code rate for the channel decoder 408, and the like. In particular, the control information receiving controller 418 stores at least one of the plurality of the above-described plate matching patterns, and applies one of the above-described plate matching patterns to the reverse plate matching unit 406. The control information receiving controller 418 may be included in a packet data transmission controller (not shown) that controls the transmission of packet data through the E-DCH.

<Example 2>

Embodiment 2 presents a rate matching pattern for the case where AG information consists of 7 bits. As an example, the AG information includes 5 bits indicating a maximum allowable data rate of the UE indicating the maximum amount of uplink radio resources available to the UE or a corresponding power offset and 1 bit indicating how long the AG information is valid. An AG validity time indicator and a 1-bit AG validity process indicator indicating whether the AG information is valid for only one process of HARQ or for all processes of HARQ, or the maximum allowed data rate of the terminal or It consists of six bits representing the corresponding power offset and one bit AG validity time indicator indicating how long the AG information is valid.

In other cases, the AG information has 6 bits indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or all processes of HARQ. Or information indicating the maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG validity time indicator, the AG valid process indicator, and other E-AGCHs. Total 7 bits.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information for identifying each UE in a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is referred to as a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 23 bits of control information obtained by concatenating the 7-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/3 and a restriction length of 9 is added. When encoded, one channel coded block consisting of a 93-bit coded bit stream is generated. The 93-bit channel coded block is made of a 60-bit rate-matched block through 33-bit puncturing for transmission during an E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate Matching Pattern =

{1, 3, 4, 5, 7, 9, 11, 12, 13, 15, 17, 20, 23, 42, 45, 46, 50, 54, 70, 71, 74, 77, 80, 81, 82 , 83, 85, 86, 87, 89, 90, 91, 93}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 21, 24, 42, 47, 54, 56, 58, 66, 68, 78, 81, 83, 84 , 86, 87, 88, 89, 90, 91, 92, 93}, or

{1, 2, 3, 5, 6, 7, 8, 10, 12, 14, 15, 16, 21, 23, 42, 47, 49, 54, 56, 58, 66, 68, 73, 78, 80 , 82, 83, 85, 87, 89, 90, 91, 92}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 21, 23, 25, 42, 47, 54, 56, 58, 66, 68, 73, 78, 80 , 82, 83, 85, 87, 89, 90, 91, 92}, or                     

{1, 2, 3, 5, 6, 7, 8, 12, 14, 15, 16, 21, 23, 25, 42, 47, 49, 54, 56, 58, 66, 68, 75, 77, 79 , 82, 83, 85, 87, 89, 90, 91, 92}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 21, 24, 42, 48, 54, 57, 60, 66, 69, 78, 81, 83, 84 , 86, 87, 88, 89, 90, 91, 92, 93}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 16, 21, 23, 28, 42, 49, 54, 56, 58, 66, 68, 74, 78, 80 , 82, 83, 85, 87, 89, 90, 91, 92}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 18, 21, 24, 27, 54, 57, 60, 66, 69, 78, 81, 83, 84 , 86, 87, 88, 89, 90, 91, 92, 93}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 21, 24, 42, 48, 54, 57, 60, 63, 66, 69, 78, 81, 83, 84 , 86, 87, 88, 89, 90, 91, 92, 93}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 21, 24, 42, 48, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81 , 83, 84, 86, 87, 89, 90, 92, 93}

Each component of the rate matching patterns represents positions of bits to be punctured among the channel coded bits 1 to 93. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 2 of the present invention will be described.
Referring to FIG. 3, AG information 302 composed of 7 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 23 bits of control information to the channel encoder 308.

delete

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/3, thereby adding a code bit of 1/3 after adding 8-bit tail bits to the 23-bit control information. Apply to output a coded block consisting of a total of 93 coded bits.
The rate matching unit 310 performs a puncturing on the 93-bit coded block according to a predetermined rate matching pattern to configure a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the plurality of latet matching patterns described above, and applies the one of the rate matching patterns previously promised to the rate matching unit 310.

A receiver of an E-AGCH terminal for implementing Embodiment 2 of the present invention will be described with reference to FIG. 4 described above.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block. On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After configuring encoded subblocks, the encoded subblocks are combined into one encoded block.

The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 7 bits of AG information and 16 bits of UE-ID specific CRC. The UE-ID specific CRC separator 410 extracts 16-bit CRC by modulo-2 operation of the 16-bit UE-ID 412 of the terminal bit by bit on the 16-bit UE-ID specific CRC. The extracted CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.
In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. , Control of reception of control information for the E-DCH by the CRC checker 414 or the like.

delete

Example 3

Example 3 presents a rate matching pattern for the case where AG information consists of 8 bits. As an example, the AG information includes 6 bits indicating a maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset, and 1 bit indicating how long the AG information is valid. An AG validity time indicator of and a 1-bit AG validity process indicator indicating whether the AG information is valid for only one process of HARQ or for all processes of HARQ, or the maximum allowed data rate of the terminal Or 7 bits indicating a corresponding power offset and a 1-bit AG validity time indicator indicating how long the AG information is valid.

In another case, the AG information includes 7 bits indicating the maximum allowable data rate of the terminal or a corresponding power offset and 1 indicating whether the AG information is valid for only one process of HARQ or all processes of HARQ. Or a bit for controlling the AG valid time indicator, the AG valid process indicator, and other E-AGCHs, and information indicating the maximum valid data rate of the terminal or a corresponding power offset. It can be composed of a total of 8 bits of control information.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information for identifying each UE in a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is referred to as a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 24 bits of control information obtained by concatenating the 8-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/3 and a restriction length of 9 is added. Encoding produces one channel coded block consisting of a 96-bit coded bit stream. The 96-bit channel coded block is made of a 60-bit rate-matched block through 36 bits of perforation to be transmitted during an E-AGCH 2ms TTI using a spreading index of 256 and a QPSK modulation scheme. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate Matching Pattern =

{1, 3, 4, 6, 7, 8, 11, 13, 14, 20, 22, 23, 24, 25, 32, 36, 40, 44, 47, 50, 58, 64, 70, 73, 76 , 77, 79, 80, 83, 86, 88, 89, 92, 93, 94, 96}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 19, 24, 29, 35, 37, 45, 47, 50, 54, 58, 62, 68, 75, 82 , 85, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96}, or

{1, 2, 3, 5, 6, 7, 9, 11, 13, 15, 21, 23, 25, 32, 41, 43, 48, 50, 52, 57, 59, 64, 69, 75, 77 , 79, 82, 83, 86, 87, 88, 90, 92, 93, 94, 95}, or

{1, 2, 3, 5, 6, 7, 9, 11, 13, 15, 21, 23, 25, 30, 32, 41, 43, 48, 50, 52, 57, 59, 64, 69, 77 , 79, 82, 83, 86, 87, 88, 90, 92, 93, 94, 95}, or

{1, 2, 3, 5, 6, 7, 9, 11, 13, 15, 21, 23, 25, 32, 48, 50, 52, 57, 59, 61, 66, 68, 70, 75, 77 , 79, 82, 83, 86, 87, 88, 90, 92, 93, 94, 95}, or

{1, 2, 3, 5, 6, 7, 9, 11, 13, 15, 21, 23, 25, 30, 32, 34, 41, 43, 48, 50, 52, 57, 59, 64, 69 , 79, 82, 83, 86, 87, 88, 90, 92, 93, 94, 95}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 24, 27, 30, 33, 42, 45, 48, 51, 54, 57, 60, 66, 69, 81 , 84, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96}, or

{2, 3, 4, 5, 7, 9, 11, 13, 15, 21, 23, 25, 30, 32, 34, 39, 41, 43, 48, 50, 52, 57, 59, 64, 69 , 80, 82, 84, 86, 87, 88, 90, 92, 93, 94, 95}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 57, 60, 63, 66, 69, 72, 81 , 84, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 24, 26, 28, 33, 42, 44, 46, 51, 53, 55, 60, 66, 69, 81 , 84, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 24, 27, 30, 33, 42, 45, 48, 51, 54, 57, 60, 66, 81 , 84, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96}

Each component of the rate matching patterns represents positions of bits to be punctured among the channel coded bits 1 to 96. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 3 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 8 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 24 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/3, thereby adding 8-bit tail bits to the 24-bit control information and then applying a code rate of 1/3. Apply to output a coded block consisting of a total of 96 coded bits.
The rate matching unit 310 performs a puncturing on the 96-bit coded block according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the above-described plurality of lattice matching patterns, and applies the one previously promised among the rate matching patterns to the rate matching unit 310.

A receiver of an E-AGCH terminal for implementing Embodiment 3 of the present invention will be described with reference to FIG. 4 described above.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 repeat the same operation as for the 2ms TTI five times. After configuring the coded subblocks, the coded subblocks are combined into one coded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 8 bits of AG information and 16 bits of UE-ID specific CRC.

The UE-ID specific CRC separator 410 extracts 16-bit CRC by modulo-2 operation of the 16-bit UE-ID 412 of the terminal bit by bit on the 16-bit UE-ID specific CRC. The extracted CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of the control information for the E-DCH by the CRC checker 414.

Example 4

Example 4 presents a rate matching pattern for the case where AG information consists of 9 bits. The AG information is 7-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset and 1-bit AG validity indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It is composed of 8-bit information indicating that and the AG validity time indicator of 1 bit indicating how long the AG information is valid.

In another case, the AG information includes 8 bit information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Or information indicating the maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG validity time indicator, the AG valid process indicator, and other E-AGCHs. It can be composed of a total of 8 bits of control information.

Meanwhile, the E-AGCH carries a cyclic redundancy check (CRC) for error detection of UE-ID and AG information for identifying each UE in a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is referred to as a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 25 bits of control information obtained by concatenating the 9-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/3 and a restriction length of 9 is added. Encoding produces one channel coded block consisting of a 99-bit coded bit stream. The 99-bit channel coded block is made of a 60-bit rate-matched block through 39-bit puncturing for transmission during an E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate Matching Pattern =

{2, 3, 4, 5, 6, 9, 10, 12, 14, 17, 18, 21, 27, 32, 33, 36, 37, 41, 49, 51, 52, 55, 62, 71, 72 , 73, 78, 80, 85, 86, 88, 89, 91, 93, 94, 95, 96, 97, 98}, or

{2, 3, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 30, 31, 35, 42, 44, 46, 51, 53, 55, 60, 62 , 64, 69, 71, 83, 85, 86, 89, 90, 91, 93, 95, 96, 97, 98}, or

{2, 3, 4, 5, 6, 7, 8, 12, 13, 15, 17, 19, 21, 24, 26, 31, 35, 42, 44, 46, 51, 53, 55, 60, 62 , 64, 69, 71, 82, 85, 86, 89, 90, 91, 93, 95, 96, 97, 98}, or

{1, 2, 3, 4, 6, 7, 8, 12, 13, 15, 17, 19, 21, 24, 26, 31, 35, 42, 44, 46, 51, 53, 55, 60, 62 , 64, 69, 71, 82, 85, 86, 89, 90, 91, 93, 95, 96, 97, 98}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 19, 21, 24, 42, 47, 54, 56, 58, 66, 68, 71 , 72, 73, 75, 84, 86, 87, 89, 90, 92, 93, 95, 96, 98, 99}, or                     

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 20, 21, 24, 42, 48, 54, 57, 60, 66, 69, 71 , 72, 74, 75, 84, 86, 87, 89, 90, 92, 93, 95, 96, 98, 99}, or

{1, 2, 3, 5, 6, 7, 8, 12, 13, 15, 17, 18, 19, 21, 24, 26, 34, 42, 44, 46, 51, 53, 55, 60, 62 , 64, 69, 71, 83, 85, 86, 89, 90, 91, 93, 95, 96, 97, 98}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 18, 21, 24, 30, 33, 39, 42, 48, 54, 57, 60, 63, 66, 69 , 72, 75, 84, 87, 89, 90, 92, 93, 94, 95, 96, 97, 98, 99}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 21, 24, 27, 54, 57, 60, 63, 66, 69, 72, 75 , 78, 81, 84, 86, 87, 89, 90, 92, 93, 95, 96, 97, 98, 99}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 30, 60, 66, 69, 72, 75, 78 , 80, 81, 83, 84, 86, 87, 89, 90, 92, 93, 95, 96, 98, 99}

Each component of the rate matching patterns represents positions of bits to be punctured among the channel coded bits 1 to 99. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 4 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 9 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. In addition, the generated UE-ID specific CRC is combined with the AG information to apply a total of 25 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/3, thereby adding a code bit of 1/3 after adding 8-bit tail bits to the 25-bit control information. Apply to output a coded block consisting of a total of 99 coded bits.
The rate matching unit 310 performs a puncturing on the 99-bit coded block according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the above-described plurality of lattice matching patterns, and applies the one previously promised among the rate matching patterns to the rate matching unit 310.

Referring to FIG. 4 described above, a receiver of an E-AGCH terminal for implementing Embodiment 4 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 repeat the same operation as for the 2ms TTI five times. After configuring the coded subblocks, the coded subblocks are combined into one coded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 9 bits of AG information and 16 bits of UE-ID specific CRC.

The UE-ID specific CRC separator 410 extracts 16-bit CRC by modulo-2 operation of the 16-bit UE-ID 412 of the terminal bit by bit on the 16-bit UE-ID specific CRC. The extracted CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of control information for the E-DCH by the CRC checker 414.

Example 5

Embodiment 5 presents a rate matching pattern for a case where AG information consists of 10 bits. The AG information is 8-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset and 1-bit AG validity indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It consists of 9 bits of information indicating and the AG validity time indicator of 1 bit indicating how long the AG information is valid.

In another case, the AG information includes 9 bit information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Or information indicating the maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG validity time indicator, the AG valid process indicator, and other E-AGCHs. It can be composed of a total of 8 bits of control information.

On the other hand, along with the AG information, it carries a CRC for error detection of the UE-ID and AG information for identifying each terminal on a common channel. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 26 bits of control information obtained by concatenating the 10-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/3 and a restriction length of 9 is added. Encoding produces one channel coded block consisting of a 102-bit coded bit stream. The 102-bit channel coded block is made of a 60-bit rate-matched block through 42-bit puncturing for transmission during an E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern representing the positions of the bits to be punctured is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate Matching Pattern =

{1, 2, 3, 4, 5, 6, 10, 13, 14, 16, 19, 26, 28, 30, 31, 36, 38, 39, 41, 42, 45, 50, 52, 57, 68 , 69, 71, 77, 79, 81, 82, 83, 85, 86, 88, 91, 95, 96, 97, 98, 100, 101}, or

  {1, 3, 5, 6, 7, 9, 10, 12, 13, 15, 16, 17, 20, 21, 30, 32, 34, 42, 43, 44, 50, 52, 54, 55, 57 , 61, 75, 78, 79, 82, 84, 87, 88, 90, 92, 93, 94, 97, 98, 99, 101, 102}, or

{1, 2, 3, 5, 6, 7, 8, 12, 13, 15, 17, 18, 19, 21, 23, 25, 33, 35, 37, 42, 44, 52, 57, 59, 61 , 66, 68, 70, 75, 77, 84, 86, 88, 89, 92, 93, 94, 96, 98, 99, 100, 101}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 17, 18, 19, 21, 23, 25, 33, 36, 38, 40, 54, 56, 58, 63 , 65, 67, 72, 74, 76, 84, 86, 88, 89, 92, 93, 94, 96, 98, 99, 100, 101}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 20, 21, 24, 27, 36, 39, 42, 54, 57, 60, 63 , 66, 69, 72, 75, 78, 84, 87, 89, 90, 92, 93, 95, 96, 98, 99, 101, 102}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 19, 21, 23, 25, 36, 38, 40, 54, 56, 58, 63 , 65, 67, 72, 74, 76, 84, 87, 89, 90, 92, 93, 95, 96, 98, 99, 101, 102}, or

{1, 2, 3, 4, 5, 6, 7, 8, 12, 14, 15, 17, 18, 19, 21, 23, 25, 33, 36, 38, 40, 45, 47, 54, 56 , 58, 63, 65, 67, 72, 84, 86, 88, 89, 92, 93, 94, 96, 98, 99, 100, 101}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 18, 21, 24, 33, 36, 39, 42, 48, 54, 57, 60, 66, 69 , 72, 75, 78, 84, 87, 89, 90, 92, 93, 95, 96, 97, 98, 99, 100, 101, 102}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 18, 21, 24, 27, 36, 39, 42, 54, 57, 60, 66, 69 , 72, 75, 78, 84, 87, 89, 90, 92, 93, 95, 96, 97, 98, 99, 100, 101, 102}, or

{1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 18, 21, 24, 33, 36, 39, 42, 48, 54, 57, 60, 66, 69 , 72, 75, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102}                     

Each component of the rate matching patterns represents positions of bits to be punctured among the channel coded bits 1 to 102. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 5 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 10 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is applied to the channel encoder 308 with a total of 26 bits of control information together with the AG information.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/3, thereby adding a code bit of 1/3 after adding 8-bit tail bits to the 26-bit control information. Apply to output a coded block consisting of a total of 102 coded bits.
The rate matching unit 310 performs a puncturing on the 102-bit coded block according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the above-described plurality of lattice matching patterns, and applies the one previously promised among the rate matching patterns to the rate matching unit 310.

delete

Referring to FIG. 4 described above, a reception apparatus of a terminal of an E-AGCH for implementing Embodiment 5 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 repeat the same operation as for the 2ms TTI five times. After configuring the coded subblocks, the coded subblocks are combined into one coded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 10-bit AG information and UE-ID specific CRC. The UE-ID specific CRC separator 410 modulates the 16-bit UE-ID 412 of the terminal bit by bit into the 16-bit UE-ID specific CRC to extract a 16-bit CRC, and extracts the 16-bit CRC. The CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of control information for the E-DCH by the CRC checker 414.

Example 6

Example 6 presents a rate matching pattern for the case where AG information consists of 5 bits in total. As an example, the AG information includes 4 bits indicating a maximum allowable data rate of the UE indicating the maximum amount of uplink radio resources available to the UE or a corresponding power offset, and 1 bit indicating how long the AG information is valid. Or 4 bits indicating the maximum allowable data rate of the UE or a corresponding power offset and whether the AG information is valid for only one process of HARQ or for all processes of HARQ. It consists of a 1-bit AG valid process indicator.

Meanwhile, the E-AGCH carries a cyclic redundancy check (CRC) for error detection of UE-ID and AG information identifying each terminal on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 21 bits of control information obtained by concatenating the 5-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/3 and a restriction length of 9 is added. Encoding produces one channel-coded block consisting of an encoded bit string of 87 bits. The 87-bit channel coded block is made of a 60-bit rate-matched block through 27-bit puncturing for transmission during an E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern indicating the positions of the bits to be punctured is to improve the performance of the block error rate by making a small change in the bit error rate of each bit position in the gate matched block through simulation, and 2ms in the E-AGCH. When TTI is used, the following rate matching pattern is used.

Rate Matching Pattern =

{1, 2, 3, 6, 7, 10, 12, 14, 17, 19, 20, 21, 39, 45, 48, 59, 65, 67, 74, 75, 76, 80, 81, 83, 85 , 86, 87}

Each component of the rate matching pattern represents a position of bits to be punctured among the channel coded bits 1 to 87. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 6 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 5 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is applied to the channel encoder 308 with a total of 21 bits of control information together with the AG information.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/3, thereby adding a code bit of 1/3 after adding 8-bit tail bits to the 21-bit control information. Apply to output a coded block consisting of a total of 87 coded bits.
The rate matching unit 310 performs puncturing on the 87-bit coded block according to the rate matching pattern, and the physical channel mapping unit 312 performs the E-AGCH 314 on the rate matched block. ) To be mapped to a physical channel frame that conforms to the 2ms TTI structure and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores the above-described sheet matching pattern, and applies the sheet matching pattern to the sheet matching unit 310.

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Referring to FIG. 4 described above, a reception apparatus of a terminal of an E-AGCH for implementing Embodiment 6 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period and performs a reverse rate matching unit 406. Is applied. The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, so that the bits punctured by the rate matching unit 310 with respect to the block matched block are applied. Reconstruct (reverse puncture) the coded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 repeat the same operation as for the 2ms TTI five times. After configuring the coded subblocks, the coded subblocks are combined into one coded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 5-bit AG information and UE-ID specific CRC. The UE-ID specific CRC separator 410 modulates the 16-bit UE-ID 412 of the terminal bit by bit into the 16-bit UE-ID specific CRC to extract a 16-bit CRC, and extracts the 16-bit CRC. The CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of control information for the E-DCH by the CRC checker 414.

Embodiments 1 to 6 are channel coding methods of E-AGCH. A convolutional code having a constraint length of 9 and a code rate of 1/3 is defined in the current 3GPP standard. Considered. In Examples 7 to 11, which will be described below, E- is considered in consideration of a convolutional code having a constraint length of 9 and a code rate of 1/2, which is currently defined in the 3GPP standard. The rate matching operation of the AGCH will be described.

A total of 21 to 26 bits of control information transmitted through the E-AGCH is 58 to 68 coded bits by applying a code rate of 1/2 after adding 8 bits of tail bits through the convolutional coding. (21 + 8) * 2 = 58, (26 + 8) * 2 = 68).

FIG. 2B shows an encoder of a convolutional code having a constraint length of 9 and a code rate of 1/2 defined in the current 3GPP standard.

Referring to FIG. 2B, the encoder 220 includes eight serially connected shift registers 222, 224, 226, 228, 230, 232, 234, and 236, input information bits, or the shift registers 222 through 236. An input comprising eight tail bits with a value of zero, consisting of a plurality of adders 222b, 224a / b, 226a / b, 228a, 230b, 234b, 236a / b, which take the output bit of The first bits of the information are sequentially passed through the shift registers 222 to 236 to generate encoded bits in the order of output0, output1, output0, output1, output0, output1 ....

The channel coded control information is transmitted during the 2 ms TTI of the E-AGCH. When the spreading index (SF) 256 and the QPSK modulation scheme are applied to the E-AGCH, the number of bits that can be transmitted during the 2ms TTI is 60 bits in total. Therefore, at least 2 bits (= 58-60) are repeated or at most 8 bits (= 68-60) are punctured among the encoded control information transmitted through the E-AGCH. However, if the AG information is 6 bits in total, control information including the 6-bit AG information, 16-bit UE_specific_CRC, and 8-bit tail bits is a convolutional code having a constraint length of 9 and a code rate of 1/2. When coding with, a total of 60 bits of channel coded bits are generated, which is equal to the number of bits that can be transmitted during the 2ms TTI, and thus no additional rate matching operation is required.
Preferred embodiments of the present invention described below represent rate matching patterns for improving the performance of the block error rate of control information transmitted through the E-AGCH. In the seventh embodiment to be described below, when the AG information consists of 5 bits, the eighth embodiment consists of 7 bits of the AG information, and the ninth embodiment consists of 8 bits of the AG information. When configured, the eleventh embodiment proposes respective rate matching patterns and describes a transmission / reception operation for the case where the AG information consists of 10 bits.

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Example 7

Example 7 presents a rate matching pattern for a case where AG information consists of 5 bits in total. As an example, the AG information includes 4 bits indicating a maximum allowable data rate of the UE indicating the maximum amount of uplink radio resources available to the UE or a corresponding power offset and 1 bit indicating how long the AG information is valid. Or 4 bits indicating the maximum allowable data rate of the terminal or a corresponding power offset and whether the AG information is valid for only one process of HARQ or for all processes of HARQ. It consists of a 1-bit AG valid process indicator.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information identifying each UE on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called UE-ID_specific_CRC, and the UE checks whether the received AG control information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 21 bits of control information obtained by concatenating the 5-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/2 and a restriction length of 9 is added. When encoded, one channel coded block consisting of a 58-bit coded bit stream is generated. The 58-bit channel coded block is made of a 60-bit rate-matched block after 2-bit repetition to be transmitted during an E-AGCH 2ms TTI using a spreading index 256 and a QPSK modulation scheme. The rate matching pattern representing the positions of the repeating bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the bit matched block through simulation. The pattern is used.

Rate Matching Pattern = {23, 57}

The rate matching pattern indicates a position of a bit to be repeated among the channel coded bits 1 through 58. If the TTI of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 mentioned above, an E-AGCH base station transmitter for implementing Embodiment 7 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 5 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. . The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 21 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/2, thereby adding a code bit of 1/2 after adding 8-bit tail bits to the 21-bit control information. Apply to output a coded block consisting of a total of 58 coded bits.
The rate matching unit 310 repeats the coded block having a size of 58 bits according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 transmits control information for the E-DCH by the UE-ID_specific_CRC combiner 304, the channel encoder 308, the rate matcher 310, the physical channel mapping unit 312, and the like. To control. In more detail, the control information transmission controller 316 stores the above-described sheet matching pattern and applies the sheet matching pattern to the sheet matching unit 310.

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Referring to FIG. 4 described above, a reception apparatus of a terminal of an E-AGCH for implementing Embodiment 7 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits repeated by the rate matching unit 310 for the matched block. (Ie combine).

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After the encoded subblocks are obtained, the encoded subblocks are combined into one encoded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 5-bit AG information and UE-ID specific CRC. The UE-ID specific CRC separator 410 modulates the 16-bit UE-ID 412 of the terminal bit by bit into the 16-bit UE-ID_specific_CRC to extract a 16-bit CRC, and extracts the 16-bit CRC. The AG information is applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of the control information for the E-DCH by the CRC checker 414.

Example 8                     

Embodiment 8 presents a rate matching pattern for the case where the AG information consists of 7 bits. The AG information is 5-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset, and 1-bit AG valid indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It consists of 6 bits of information indicating and the AG validity time indicator of 1 bit indicating how long the AG information is valid.

In another case, the AG information includes 6 bit information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Or information indicating the maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG validity time indicator, the AG valid process indicator, and other E-AGCHs. It can be composed of a total of 7 bits control information.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information identifying each UE on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit information generated as described above is referred to as UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 23 bits of control information obtained by concatenating the 7-bit AG information and the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/2 and a restriction length of 9 is added. When encoded, one channel coded block consisting of a 62-bit coded bit stream is generated. The 62-bit channel coded block is made of a 60-bit rate-matched block through 2 bits of perforation to be transmitted during an E-AGCH 2ms TTI using a spreading index of 256 and a QPSK modulation scheme. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. Matching patterns are used.

Rate Matching Pattern = {2, 62}

Each component of the rate matching pattern represents a position of bits to be punctured among the channel coded bits 1 to 62. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 8 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 7 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 23 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/2, thereby adding a code bit of 1/2 after adding 8-bit tail bits to the 23-bit control information. Apply to output a coded block consisting of a total of 62 coded bits.
The rate matching unit 310 performs a puncturing according to a rate matching pattern predetermined for the 62-bit coded block to construct a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 transmits control information for the E-DCH by the UE-ID_specific_CRC combiner 304, the channel encoder 308, the rate matcher 310, the physical channel mapping unit 312, and the like. To control. In more detail, the control information transmission controller 316 stores a plurality of the above-described plate matching patterns, and applies the above-mentioned plate matching pattern to the plate matching unit 310.

Referring to FIG. 4 described above, a reception apparatus of a terminal of an E-AGCH for implementing Embodiment 8 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block. On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After performing repeated iterations to construct coded subblocks, the coded subblocks are combined into one coded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 7 bits of AG information and 16 bits of UE specific CRC. The UE-ID specific CRC separator 410 modulates the 16-bit UE-ID 412 of the terminal bit by bit into the 16-bit UE-ID specific CRC to extract a 16-bit CRC, and extracts the 16-bit CRC. The CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether there is an error. If the C RC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. Used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

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In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of the control information for the E-DCH by the CRC checker 414.

Example 9

Example 9 presents a rate matching pattern for the case where AG information consists of 8 bits. The AG information is 6-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset, and 1-bit AG validity indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It consists of 7 bits of information indicating and the AG validity time indicator of 1 bit indicating how long the AG information is valid.

In another case, the AG information includes 7 bit information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Or information indicating the maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG validity time indicator, the AG valid process indicator, and other E-AGCHs. It can be composed of a total of 7 bits of control information.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information identifying each UE on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called a UE-ID specific CRC, and the UE checks whether the received AG control information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 24 bits of control information obtained by concatenating the 8-bit AG information with the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/2 and a restriction length of 9 is added. Encoding produces one channel coded block consisting of a 64-bit coded bit stream. The 64-bit channel coded block is made of a 60-bit rate-matched block through 4 bits of perforation to be transmitted during an E-AGCH 2ms TTI using a spreading index of 256 and a QPSK modulation scheme. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate matching pattern = {2, 10, 60, 63}, or {2, 6, 60, 63}

Each component of the rate matching patterns represents a position of bits to be punctured among the channel coded bits 1 to 64. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 9 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 8 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 24 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/2, thereby adding a code bit of 1/2 after adding 8-bit tail bits to the 24-bit control information. Apply to output a coded block consisting of a total of 64 coded bits.
The rate matcher 310 performs a puncturing on the 64-bit coded block according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the above-described plate matching patterns, and applies the one previously promised among the rate matching patterns to the rate matching unit 310.

Referring to FIG. 4 described above, a reception apparatus of a UE of an E-AGCH for implementing Embodiment 9 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After configuring encoded subblocks, the encoded subblocks are combined into one encoded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 8 bits of AG information and 16 bits of UE-ID specific CRC.

The UE-ID specific CRC separator 410 extracts 16-bit CRC by modulo-2 operation of the 16-bit UE-ID 412 of the terminal bit by bit on the 16-bit UE-ID specific CRC. The extracted CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of the control information for the E-DCH by the CRC checker 414.

Example 10

Embodiment 10 presents a rate matching pattern for a case where AG information consists of 9 bits. The AG information is 7-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset and 1-bit AG validity indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It is composed of 8-bit information indicating that and the AG validity time indicator of 1 bit indicating how long the AG information is valid.                     

In another case, the AG information includes 8 bit information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Or information indicating the maximum allowable data rate of the terminal or a corresponding power offset and bits for controlling the AG validity time indicator, the AG valid process indicator, and other E-AGCHs. It can be composed of a total of 8 bits of control information.

Meanwhile, the E-AGCH carries a cyclic redundancy check code (CRC) for error detection of UE-ID and AG information identifying each UE on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 25 bits of control information obtained by concatenating the 9-bit AG information and the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/2 and a restriction length of 9 is added. Encoding produces one channel coded block consisting of a 66-bit coded bit stream. The 66-bit channel coded block is made of a 60-bit rate-matched block through 6-bit puncturing for transmission during an E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate matching pattern = {1, 3, 7, 59, 63, 66}, or {1, 4, 10, 59, 63, 66}

Each component of the rate matching patterns represents positions of bits to be punctured among the channel coded bits 1 to 66. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 10 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 9 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 25 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/2 to add a code bit of 1/2 after adding 8-bit tail bits to the 25-bit control information. Apply to output a coded block consisting of a total of 66 coded bits. The rate matching unit 310 performs a puncturing on the 99-bit channel coded block according to a predetermined rate matching pattern to generate a rate matched block, and the physical channel mapping unit 312 performs the lamination. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the plurality of latet matching patterns described above, and applies the one of the rate matching patterns previously promised to the rate matching unit 310.

Referring to FIG. 4 described above, a reception apparatus of a terminal of an E-AGCH for implementing Embodiment 10 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After configuring encoded subblocks, the encoded subblocks are combined into one encoded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 9 bits of AG information and 16 bits of UE-ID specific CRC.

The UE-ID specific CRC separator 410 extracts 16-bit CRC by modulo-2 operation of the 16-bit UE-ID 412 of the terminal bit by bit on the 16-bit UE-ID specific CRC. The extracted CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of the control information for the E-DCH by the CRC checker 414.

Example 11

Embodiment 11 presents a rate matching pattern for a case where AG information consists of 10 bits. The AG information is 8-bit information indicating the maximum allowable data rate of the terminal indicating the maximum amount of uplink radio resources available to the terminal or a corresponding power offset and 1-bit AG validity indicating how long the AG information is valid. A time indicator and a 1-bit AG valid process indicator indicating whether the AG information is valid for only one process of HARQ or for the entire HARQ process, or the maximum allowable data rate of the terminal or a corresponding power offset It consists of 9 bits of information indicating and the AG validity time indicator of 1 bit indicating how long the AG information is valid.

In another case, the AG information includes 9 bit information indicating a maximum allowable data rate of the terminal or a corresponding power offset and 1 bit indicating whether the AG information is valid for only one process of HARQ or for all HARQ processes. Information indicating the maximum allowable data rate of the terminal or a corresponding power offset, and bits for controlling the AG valid time indicator, the AG valid process indicator, and other E-AGCH. It can be composed of a total of 8 bits of control information.

Meanwhile, the E-AGCH carries a CRC for error detection of UE-ID and AG information for identifying each terminal on a common channel together with the AG information. The UE-ID and the CRC are each 16 bits, and are transmitted in the form of a 16-bit CRC masked with the UE-ID by modulo-2 operation for each bit. The 16-bit CRC generated as described above is called a UE-ID specific CRC, and the UE checks whether the received AG information is allocated to itself through the UE-ID specific CRC.

After adding 8-bit tail bits to a total of 26 bits of control information obtained by concatenating the 10-bit AG information and the 16-bit UE-ID specific CRC, a convolutional code having a code rate of 1/2 and a restriction length of 9 is added. Encoding produces one channel coded block consisting of a 68-bit coded bit stream. The 68-bit channel coded block is made of a 60-bit rate-matched block through 8-bit puncturing for transmission during E-AGCH 2ms TTI using spreading index 256 and QPSK modulation. The rate matching pattern representing the positions of the puncturing bits is to improve the performance of the block error rate by making a small change in the bit error rate for each bit position in the block matched block through simulation. One of the matching patterns is used.

Rate matching pattern = {1, 2, 3, 8, 49, 65, 67, 68}, or {2, 5, 6, 10, 54, 59, 63, 68}

Each component of the rate matching patterns represents positions of bits to be punctured among channel coded bits 1 to 68. If the TTI length of the E-AGCH is 10ms, the 10ms TTI E-AGCH may be implemented by repeating the structure of the E-AGCH of the 2ms TTI five times.

Referring to FIG. 3 described above, an E-AGCH base station transmitter for implementing Embodiment 11 of the present invention will be described.

Referring to FIG. 3, AG information 302 composed of 10 bits is applied to a UE-ID specific CRC combiner 304, and the UE-ID specific CRC combiner 304 generates a 16-bit CRC from the AG information. do. The UE-ID specific CRC combiner 304 generates a UE-ID specific CRC by modulo-2 calculating a 16-bit UE-ID for each bit to identify a terminal to which the 16-bit CRC and the AG information are to be applied. Thereafter, the generated UE-ID specific CRC is combined with the AG information to apply a total of 26 bits of control information to the channel encoder 308.

The channel encoder 308 uses a convolutional code having a constraint length of 9 and a code rate of 1/2, thereby adding a code bit of 1/2 after adding 8-bit tail bits to the 26-bit control information. Apply to output a coded block consisting of a total of 68 coded bits.
The rate matching unit 310 performs a puncturing according to a rate matching pattern predetermined for the 68-bit coded block to generate a rate matched block, and the physical channel mapping unit 312 performs the rate matching. The matched block is mapped to a physical channel frame conforming to the 2ms TTI structure of the E-AGCH 314 and transmitted through the E-AGCH 314.

At this time, the control information transmission controller 316 is control information for the E-DCH by the UE-ID specific CRC combiner 304, the channel encoder 308, the rate matching unit 310, the physical channel mapping unit 312, etc. Control the transmission of. In more detail, the control information transmission controller 316 stores at least one of the above-described plurality of lattice matching patterns, and applies the one previously promised among the rate matching patterns to the rate matching unit 310.

The rate matching pattern of the rate matching unit applies one of the rate matching patterns, and the pattern is defined in advance in the transmitting side and the receiving side.

Referring to FIG. 4 described above, a reception apparatus of a UE of an E-AGCH for implementing Embodiment 11 of the present invention will be described.

Referring to FIG. 4, the terminal receives a signal through the E-AGCH 402, and the inverse physical channel mapping unit 404 extracts a rate matched block for a 2 ms TTI period from the signal, thereby inverse rate matching. (406). The reverse rate matching unit 406 applies the same rate matching pattern as that applied by the rate matching unit 310 of the base station, and recovers the bits punctured by the rate matching unit 310 with respect to the rate matched block. (Reverse puncture) to form an encoded block.

On the other hand, if the E-AGCH uses a 10ms TTI configured by repeating the 2ms TTI five times, the inverse physical channel mapping unit 404 and the reverse rate matching unit 406 perform the same operation five times as for the 2ms TTI. After configuring encoded subblocks, the encoded subblocks are combined into one encoded block.
The channel decoder 408 decodes the encoded block and applies the decoded block to the UE-ID specific CRC separator 410. The decoded block is separated into 10 bits of AG information and 16 bits of UE-ID specific CRC. The UE-ID specific CRC separator 410 modulates the 16-bit UE-ID 412 of the terminal bit by bit into the 16-bit UE-ID specific CRC to extract a 16-bit CRC, and extracts the 16-bit CRC. The CRC and the AG information are applied to the CRC checker 414. The CRC checker 414 checks the 16-bit CRC to determine whether the AG information is in error. If the CRC check is successful, the CRC checker 414 outputs the AG information as error-free AG information 416, and the AG information 416 indicates the maximum allowable data rate of the packet data through the E-DCH. It is used to determine. On the other hand, if the CRC check fails, the AG information is discarded.

In this case, the control information receiving controller 418 may include an inverse physical channel mapping unit 404, an inverse rate matching unit 406, a rate matching unit 310, a channel decoder 408, and a UE-ID specific CRC separator 410. Control of the reception of control information for the E-DCH by the CRC checker 414.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. For example, in the present specification, the rate matching pattern for the AG information of the E-AGCH has been described, but this operation and structure can be applied to other physical channels having similar block sizes. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by those equivalent to the scope of the claims.

As described above, the present invention provides a rate matching pattern for improving the performance of the block error rate by reducing the change in the bit error rate for each bit position in the block, thereby providing AG information indicating the absolute value of the maximum allowable data rate of the terminal. Transmission reliability can be improved. In addition, it is possible to reduce the power consumption required to achieve the same block error rate, thereby minimizing downlink interference.

Claims (31)

A method for transmitting control information related to transmission of uplink packet data in a mobile communication system, A 16-bit terminal specific CRC (UE-ID) is combined by combining a cyclic redundancy check code (CRC) generated for error detection of the control information with a terminal identifier (UE-ID) for identifying a terminal to which the control information is applied. generating a specific CRC), Generating 90-bit encoded bits by adding the terminal specific CRC and 8-bit tail bits to 6-bit control information and encoding at a code rate of 1/3; Generating a 60-bit rate-matched block by performing rate matching on the encoded bits according to a rate matching pattern; Transmitting the rate matched block to the terminal; Here, the rate matching pattern representing the position of the puncturing bits of the encoded bits, {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83 , 84, 85, 87, 88, 90}. The method of claim 1, wherein the control information, And a maximum allowable data rate available for transmission of the uplink packet data. The method of claim 2, wherein the control information, And a 5-bit power offset corresponding to the maximum allowable data rate and a 1-bit valid process indicator indicating whether or not the control information is valid for the entire process of the HARQ. Transmission method. The method of claim 1, wherein the terminal specific CRC, And generating 16-bit CRC and 16-bit terminal identifier for each bit modulo-2 for error detection of the control information. An apparatus for transmitting control information related to transmission of uplink packet data in a mobile communication system, Generating a 16-bit UE-ID specific CRC by combining a CRC generated for error detection of the control information and a terminal identifier (UE-ID) for identifying a terminal to which the control information is applied. A terminal specific CRC combiner, A channel encoder for generating 90-bit coded bits by adding the terminal specific CRC and 8-bit tail bits to 6-bit control information and encoding the code at a code rate of 1/3; A rate matching unit for performing a rate matching of the encoded bits according to a rate matching pattern to generate a 60-bit rate matched block; It includes a physical channel mapping unit for transmitting the matched block to the terminal, Here, the rate matching pattern representing the position of the puncturing bits of the encoded bits, {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83 84, 85, 87, 88, 90}. The method of claim 5, wherein the control information, And a maximum allowable data rate usable for the transmission of the uplink packet data. The method of claim 6, wherein the control information, And a 5-bit power offset corresponding to the maximum allowed data rate and a 1-bit valid process indicator indicating whether or not the control information is valid for all processes of a complex automatic retransmission request (HARQ). Device for transmitting information. The method of claim 5, wherein the terminal specific CRC, And a 16-bit CRC for detecting the error of the control information and a 16-bit terminal identifier generated by modulo-2 operation for each bit. A method for receiving control information related to transmission of uplink packet data in a mobile communication system, Extracting a 60-bit rate matched block from a signal received from a base station, Outputting 90 bits of encoded bits by performing a reverse-rate matching on the rate matched block according to a rate matching pattern; Outputting 6 bits of control information and 16 bits of terminal specific CRC by decoding the encoded bits at a code rate of 1/3; Inspecting the terminal specific CRC and outputting the control information; Here, the rate matching pattern representing the position of the back-punching bits of the rate matched block, {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83 , 84, 85, 87, 88, 90}. The method of claim 9, wherein the control information, And indicating a maximum allowable data rate available for transmission of the uplink packet data. The method of claim 10, wherein the control information, And a 5-bit power offset corresponding to the maximum allowed data rate and a 1-bit valid process indicator indicating whether or not the control information is valid for all processes of a complex automatic retransmission request (HARQ). How to Receive Information. The method of claim 9, wherein the terminal specific CRC, And generating a modulo-2 operation of the 16-bit CRC and the 16-bit terminal identifier for each bit for error detection of the control information. An apparatus for receiving control information related to transmission of uplink packet data in a mobile communication system, An inverse physical channel mapping unit for extracting a 60-bit rate matched block from a signal received from a base station; An inverse late matcher which inversely matches the late matched block according to a late match pattern and outputs 90-bit encoded bits; A channel decoder for decoding the encoded bits at a code rate of 1/3 and outputting 6 bits of control information and 16 bits of terminal specific CRC; A CRC checker for inspecting the terminal specific CRC and outputting the control information; Here, the rate matching pattern representing the position of the back-punching bits of the rate matched block, {1, 2, 5, 6, 7, 11, 12, 14, 15, 17, 23, 24, 31, 37, 44, 47, 61, 63, 64, 71, 72, 75, 77, 80, 83 84, 85, 87, 88, 90}. The method of claim 13, wherein the control information, And a maximum allowable data rate usable for transmission of the uplink packet data. The method of claim 14, wherein the control information, And a 5-bit power offset corresponding to the maximum allowed data rate and a 1-bit valid process indicator indicating whether or not the control information is valid for all processes of a complex automatic retransmission request (HARQ). Device for receiving information. The method of claim 13, wherein the terminal specific CRC, And 16-bit CRC for detecting error of the control information and 16-bit terminal identifier generated by modulo-2 operation for each bit. delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

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