WO2010060352A1

WO2010060352A1 - Method, base station and terminal for sending and receiving hs-scch

Info

Publication number: WO2010060352A1
Application number: PCT/CN2009/074896
Authority: WO
Inventors: 贾民丽; 杨宇; 邢艳萍; 李晓卡
Original assignee: 大唐移动通信设备有限公司
Priority date: 2008-11-25
Filing date: 2009-11-11
Publication date: 2010-06-03
Also published as: KR101255824B1; CN101742650A; CN101742650B; KR20110098755A

Abstract

The present invention provides a method, a base station (BS) and a terminal for sending and receiving the high-speed shared control channel (HS-SCCH) of the high-speed downlink shared channel. Adopting the HS-SCCH signaling with the same length under the condition of variable function demand is set. The method includes: the BS determines the channelization code information corresponding to the present function demand according to the mapping relationship of the preset channelization code information and the function demand, sends the terminal the HS-SCCH signaling including the determined channelization code information; wherein the function demand includes the multiple input multiple output (MIMO) function or the continuous packet connectivity (CPC) function. The present invention is compatible with both the MIMO function and the CPC function, and can make the terminal avoid blind detecting or blind decoding the HS-SCCH.

Description

Method, base station and terminal for transmitting and receiving HS-SCCH

Technical field

The present invention relates to mobile communication technologies, and in particular, to a method, a base station and a terminal for transmitting and receiving a shared control channel (HS-SCCH) of a high speed downlink shared channel. Background of the invention

In the high speed packet access (HSPA) technology, the base station needs to share the control channel of the high speed downlink shared channel before transmitting the downlink data to the mobile terminal (UE) through the high speed downlink physical shared channel (HS-PDSCH). HS-SCCH) Sends HS-PDSCH control information allocated to the UE to the UE. The HS-SCCH signaling carried by the HS-SCCH includes: a channelization code set identifier, a time slot (TS) information, a modulation mode (Mod) information, a data block size (TBS) information, and a hybrid automatic repeat request (HARQ). The information, the HS-SCCH cyclic sequence identifier (HCSN), the UE identifier, and the like, where the channelization code set identifier includes: a start code channel and a termination code for identifying the start code channel information and the termination code channel information where the HS-PDSCH is located; The information may include: HARQ Process Information (HAP), Incremental Redundancy Version Number (RV), and New Data Indication (NDI). FIG. 1 is a conventional HS-SCCH signaling structure in the prior art, and the length of the conventional HS-SCCH signaling is 46 bits.

In the research of enhanced HSPA, multiple input and output (MIMO) technology is introduced. MIMO technology can simultaneously send multiple data streams to the UE through the base station to improve the downlink data transmission rate and capacity of the system. Considering the hardware implementation and cost loss of the UE, the usual MIMO scheme can support single-stream or dual-stream transmission in the downlink. Therefore, when performing single-stream transmission, it is necessary to transmit single-flow control information to the UE through the HS-SCCH, and when performing dual-stream transmission, it is necessary to transmit dual-stream control information to the UE through the HS-SCCH. The existing HS-SCCH transmission mode can carry MIMO in the prior art. Single-stream or dual-flow control information, the HS-SCCH signaling in the transmission mode includes: channelization code set identification, slot position information, single-stream or dual-stream data block size information, modulation information, HARQ information, HS- SCCH cyclic sequence identification and UE identification, etc.

In addition, the HSPA research also refers to the Continuous Packet Connectivity (CPC) technology. In order to reduce the overhead of the control channel, a semi-persistent scheduling technique is proposed. That is, the base station sends the HS-SCCH once to allocate periodicity to the UE. The semi-persistent resource, the base station can use the semi-persistent resource to send data to the UE, and does not need to perform resource scheduling every time until the base station performs re-allocation of the semi-persistent resource to the UE through the HS-SCCH, and the allocation and weight of the semi-persistent resource A match can be broadly referred to as a semi-persistent resource allocation type. In addition, when there is new data or the data transmission is not correctly received by the UE, the base station may schedule downlink physical resources other than semi-persistent resources for the UE through the HS-SCCH, which is referred to herein as a temporary scheduling resource type. In the prior art, the transmission mode of the HS-SCCH can carry control information of a semi-sustained resource allocation type or a temporary scheduling resource type.

However, since the HS-SCCH signaling lengths supporting the MIMO function and the CPC function are not the same, the HS-SCCH transmission method provided in the prior art can only be used to prevent the UE from performing blind detection or blind decoding on the HS-SCCH. Support one of MIMO function or CPC function, that is, provide corresponding HS-SCCH transmission mode for single-flow control information bearer and dual-flow control information bearer in MIMO, or provide corresponding HS-SCCH transmission mode for CPC semi-continuous The control information of the resource bearer or the control information of the temporary scheduling resource of the CPC is not compatible with the MIMO function and the CPC function. Summary of the invention

In view of this, the present invention provides a method, a base station, and a terminal for transmitting and receiving an HS-SCCH, so as to be compatible with the MIMO function and the CPC function, to prevent the UE from performing blind detection or blind decoding on the HS-SCCH. A method for transmitting an HS-SCCH, and setting HS-SCCH signaling of the same length under the condition of each function requirement, the method includes:

The base station determines the channelization code information corresponding to the current function requirement according to the correspondence between the preset channelization code information and the function requirement, and sends the HS-SCCH signaling including the determined channelization code information to the terminal, where The functional requirements include a multi-input MIMO function or a continuous packet-connected CPC function.

A method for receiving an HS-SCCH, and setting HS-SCCH signaling of the same length under each function requirement, the method includes:

After receiving the HS-SCCH signaling, the terminal determines, according to the correspondence between the preset channelization code information and the function requirement, the function requirement corresponding to the channelization code information in the received HS-SCCH signaling, according to the determined The function requirements decode the HS-SCCH signaling; wherein the functional requirements include a MIMO function or a CPC function.

A base station is applied to a communication system using HS-SCCH signaling of the same length under various functional requirements, the base station includes: a channelization code determining unit and a signaling sending unit; and the channelization code determining unit is configured to Determining a correspondence between the channelization code information and the function requirement, and determining channelization code information corresponding to the current function requirement;

The signaling sending unit is configured to send, to the terminal, HS-SCCH signaling including channelization code information determined by the channelization code determining unit;

The functional requirements include a MIMO function or a CPC function.

A terminal is applied to a communication system using HS-SCCH signaling of the same length under various functional requirements, and the terminal includes: a signaling receiving unit, a function determining unit, and a signaling decoding unit;

The signaling receiving unit is configured to receive HS-SCCH signaling;

The function determining unit is configured to determine, according to a correspondence between preset channelization code information and a function requirement, channelization in the HS-SCCH signaling received by the signaling receiving unit The functional requirements corresponding to the code information;

The signaling decoding unit is configured to decode the HS-SCCH signaling according to a function requirement determined by the function determining unit;

The functional requirements include a MIMO function or a CPC function.

It can be seen from the above technical solution that the MIMO function and the CPC function are used in the present invention to use the same length of HS-SCCH signaling, and the base station determines the current functional requirement according to the correspondence between the preset channelization code information and the functional requirements. Corresponding informationization code information, and transmitting HS-SCCH signaling including the determined channelization code information to the terminal. That is, the base station provided by the present invention can send the HS-SCCH signaling including the corresponding channelization code information to support the MIMO function or the CPC function according to the current function requirement, and accordingly, the terminal utilizes the received HS-SCCH signaling. The channelization code information can determine the function requirements corresponding to the current HS-SCCH signaling and perform corresponding decoding processing, that is, the present invention is compatible with the MIMO function and the CPC function, and adopts the MIMO function and the HS-SCCH signaling under the CPC function. The same length, to avoid blind detection or blind decoding of the HS-SCCH by the UE. BRIEF DESCRIPTION OF THE DRAWINGS

1 is a conventional HS-SCCH signaling structure in the prior art;

2 is a schematic diagram of an HS-SCCH signaling structure for carrying MIMO single-stream transmission resource control information under a 46-bit length according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an HS-SCCH signaling structure for carrying MIMO dual-stream transmission resource control information under a 46-bit length according to an embodiment of the present invention;

4 is a structural diagram of channelization code information in the structure of FIG. 3;

FIG. 5 is a schematic diagram of a HS-SCCH signaling structure for a semi-persistent resource allocation type for a CPC function under a 46-bit length according to an embodiment of the present invention;

6 is a structural diagram of channelization code information in the structure of FIG. 5; FIG. 7 is a schematic diagram of an HS-SCCH signaling structure for a temporary scheduling resource type used for a CPC function under a 46-bit length according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of an HS-SCCH signaling structure for MIMO function under a 54-bit length according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a HS-SCCH structure for a semi-persistent resource allocation type of a CPC function at a 54-bit length according to an embodiment of the present invention; an HS-SCCH structure of a degree resource type;

FIG. 11 is a schematic diagram of an HS-SCCH signaling structure for MIMO function with a length of 52 bits according to an embodiment of the present invention;

FIG. 12 is a structural diagram of a base station according to an embodiment of the present invention;

FIG. 13 is a structural diagram of a terminal according to an embodiment of the present invention. Mode for carrying out the invention

The present invention will be described in detail below with reference to the drawings and specific embodiments.

The embodiment of the present invention provides: setting the HS-SCCH signaling of the same length used in each functional requirement condition; determining the current functional requirement according to the correspondence between the channelization code information and the functional requirement in the preset HS-SCCH signaling Corresponding channelization code information, and transmitting HS-SCCH signaling including the channelization code information; wherein the function requirement includes a MIMO function or a CPC function.

In addition, when the current function requirement is the MIMO function, the channelization code information corresponding to the current resource type may be further determined according to the correspondence between the channelization code information and the resource type, where the sent HS-SCCH signaling includes Channelization code information is channelization code information that satisfies both current functional requirements and current resource types, where MIMO function The resource type is MIMO single stream transmission resource or MIMO dual stream transmission resource. Or, when the current resource type is a MIMO single stream transmission resource, the TBS field of one of the data streams is set to be invalid, and when the current resource type is a MIMO dual stream transmission resource, the TBS fields of the two data streams are all set to be valid. .

When the current function requirement is the CPC function, the resource allocation period information corresponding to the current resource type may be further determined according to the correspondence between the resource allocation period information and the resource type, and the sent HS-SCCH signaling further includes the The determined resource allocation period information, where the resource type under the CPC function is a semi-persistent resource allocation type or a temporary scheduling resource type.

The above method will be described in detail below in conjunction with specific embodiments. The method provided by the present invention can be mainly divided into the following two cases according to the length of the HS-SCCH signaling:

The first case: The signaling structure of the same length as the traditional HS-SCCH signaling is used under each functional requirement condition, that is, 46 bits.

Since the single-stream transmission of MIMO requires 16 HARQ processes, the HSA domain that identifies the number of HARQ processes in the traditional HS-SCCH signaling structure is only 3 bits, and can only represent up to 8 HARQ processes. Therefore, the traditional HS-SCCH The signaling HS-SCCH cannot be used for the transmission of MIMO single stream. Here, the present invention proposes a HS-SCCH signaling structure of 46 bits length and used for carrying MIMO single stream transmission resource control information, in which HAP is configured. The domain occupies 4 bits, removes the NDI field that originally occupied 1 bit, and/or adjusts the RV field originally occupying 3 bits to 2 bits. For example, the HS-SCCH signaling structure shown in FIG. 2 can be adopted. In the structure shown in FIG. 2, the HAP domain occupies 4 bits and can support 16 HARQ processes. Since the NDI domain is not included, the RV domain can be used. The redundancy version is no longer explicitly indicated, but the correspondence between the redundancy version and the RV value is defined in advance, where one RV value is used for fixed representation of new data transmission, and others for retransmission; other domains may be Same structure as in traditional HS-SCCH signaling. This structure can also be used for data on non-semi-persistent resources in CPC. Transmit or retransmit the schedule to use. In this structure, when the channelization code information is that the value of the start code is less than or equal to the value of the termination code, it indicates that the spreading factor (SF) is 16, the start code is 15 and the termination code is 0, indicating that the SF is Is 1.

A 46-bit length HS-SCCH signaling structure has been used in the prior art for carrying MIMO dual stream transmission resource control information, and the HS-SCCH signaling structure can be directly adopted by the present invention. FIG. 3 is a schematic diagram of an HS-SCCH signaling structure for carrying MIMO dual-stream transmission resource control information under a 46-bit length according to an embodiment of the present invention. As shown in FIG. 3, the structure includes two compared with the traditional HS-SCCH signaling. The RV fields of the data streams, each occupying 2 bits, do not contain NDI information. The content in the channelization code information is different from the traditional HS-SCCH signaling, and includes 2-bit MIMO identification information, 1-bit second data stream modulation information (Mod 2 ) and 5-bit second data stream relative to The TBS size offset information of the first data stream, and the structure of the channelization code information is as shown in FIG. The first bit and the fifth bit are MIMO identification information, and a fixed value is used to identify the HS-SCCH for MIMO dual stream transmission. That is, if the channelization code information is Ιχχχθχχχ, it is determined that the HS-SCCH is used to carry MIMO dual stream transmission resource control information, where X may take any value. However, when the HS-SCCH of this structure is used to carry MIMIO dual-stream transmission resource control information, only SF 1 is supported.

A 46-bit length HS-SCCH signaling structure has been used in the prior art for a semi-persistent resource allocation type or a temporary scheduling resource type under the CPC function, but it can only distinguish from the traditional HS-SCCH signaling. However, the HS-SCCH signaling under the MIMO function provided by the present invention cannot be distinguished. Therefore, the present invention separately provides an HS-SCCH signaling structure and a CPC function for a semi-persistent resource allocation type under the CPC function. The HS-SCCH signaling structure of the temporary scheduling resource type.

FIG. 5 is a schematic diagram of a HS-SCCH signaling structure for a semi-persistent resource allocation type of a CPC function, which may include 12-bit channelization code information, and a configuration of the HS-SCCH signaling of the structure. 5-bit TS, 1-bit Mod, 3-bit HCSN, 5-bit semi-persistent resource effective time, 2-bit HS-SICH indication, 2-bit TBS, CRC, and UE ID, where the semi-persistent resource effective time indicates from which node the semi-persistent resource allocated by the base station takes effect; HS-SICH Indicates the HS-SICH used to indicate the UE's post-decoding feedback information for the received data on the semi-persistent resource. The channelization code information is improved relative to the structure in the prior art, and includes a 4-bit CPC identifier, a 2-bit resource allocation period, and 6-bit code channel information (CCS), as shown in FIG. The first, second, fifth and sixth bits of the code information are the CPC identifier, and the fixed value is used to identify the function for the CPC, that is, when the channelization code information is llxxlOxxxxxx, the HS-SCCH is used for the CPC function, wherein X can take any value. The CCS indicates the assigned code channel information, and the minimum granularity is 2 code channels with 16 SFs. The first 3 bits in the CCS domain can be used as the start code, the last 3 bits are used as the termination code, and the start code is 7 And the termination code is 0 to indicate that SF is 1.

FIG. 7 is a schematic diagram of an HS-SCCH signaling structure for a temporary scheduling resource type used for a CPC function in a 46-bit length according to an embodiment of the present invention. The HS-SCCH signaling of the structure may include 12-bit channelization code information, and Bit TS, 1-bit Mod, 3-bit HCSN, 2-bit TBS, 2-bit RV, 4-bit PTR; where PTR is used to indicate the current retransmission and the last transmission interval of the packet Number. The format of the channelization code information is the same as that in FIG. 5, that is, the first, second, fifth, and sixth bits of the channelization code information are CPC identifiers, and a fixed value is used to identify the function for the CPC, that is, the channelization code information is llxxlOxxxxxx. The HS-SCCH is used for the CPC function, where X may take any value; wherein the CCS indicates the allocated code channel information, and the minimum granularity is 2 code channels with 16 SFs.

For the CPC function, the resource allocation period information in the channelization code information may be utilized to determine whether the HS-SCCH signaling is for a semi-persistent resource allocation type or a temporary scheduling resource type. For example, 00 can be used to indicate that only one physical resource is allocated, that is, the HS-SCCH signaling is used to temporarily schedule resource types; 01 is used to allocate semi-persistent physical resources with a period of 20 ms, and 10 is used to allocate 80 ms for a period. Semi-persistent physical resources, 11 means allocation of 160ms The periodic semi-persistent physical resource indicates that the HS-SCCH signaling is used for the semi-persistent resource allocation type.

In the first case, when the 46-bit HS-SCCH signaling is used, when the base station determines that the current functional requirement is the MIMO function, the HS-SCCH signaling structure corresponding to the MIMO function is transmitted, and the HS-SCCH signaling is used in the HS-SCCH signaling. The channelization code information is channelization code information corresponding to the MIMO function, specifically: for the transmission control information of the MIMO single stream, the value of the start code in the channelization code information is less than or equal to the value of the termination code, for example, using Oxxxlxxx The HS-SCCH is identified for a MIMO single stream, where x may take any value; or the start code takes a value of 15 and the termination code takes a value of zero. For the transmission control information of the MIMO dual stream, the first bit in the channelization code information takes 1 and the 5th bit takes 0.

When the base station determines that the current function requirement is the CPC function, the HS-SCCH signaling structure corresponding to the CPC function is sent, and the channelization code information in the HS-SCCH signaling is the channelization code information corresponding to the CPC function, specifically: The first, second, fifth, and sixth bits of the coded information take 1, 1, 1, and 0, respectively; and the channelization code information carries resource allocation period information corresponding to the current resource type.

Correspondingly, after receiving the HS-SCCH, the UE obtains the channelization code information in the HS-SCCH, and determines the HS- according to the correspondence between the channelization code information and the function requirement in the preset HS-SCCH signaling. Whether the SCCH signaling is used for the MIMO function or the CPC function, if it is determined for the MIMO function, further determining, according to the correspondence between the channelization code information and the resource type, that the HS-SCCH signaling carries the MIMO single stream transmission resource The control information is also MIMO dual-stream transmission resource control information, specifically: if the value of the start code in the channelization code information is less than or equal to the value of the termination code, for example, the HS-SCCH is identified by Oxxxlxxx for the MIMO single stream, where X is desirable Any value; or the start code takes the value of 15 and the termination code takes the value of 0, then it is determined that the HS-SCCH signaling carries the MIMO single-stream transmission resource control information, and is decoded from the HS-SCCH signaling according to the corresponding format. MIMO single stream transmission resource control Information. If the first bit in the channelization code information is 1 and the 5th bit is 0, it is determined that the HS-SCCH signaling carries the MIMO dual stream transmission resource control information, and the MIMO is decoded from the HS-SCCH signaling according to the corresponding format. Dual stream transmission resource control information. If the first, second, fifth, and sixth bits in the channelization code information are 1, 1, 1, and 0, respectively, it is determined that the HS-SCCH signaling carries the CPC function control information, and may further pass the resources in the channelization code information. The period information is allocated to determine whether the HS-SCCH signaling is for a semi-persistent resource allocation type or a temporary scheduling resource type.

Case 2: A signaling structure that is extended over conventional HS-SCCH signaling, that is, a length greater than 46 bits.

In the prior art, there are a variety of HS-SCCH signaling structures with a length greater than 46 bits and used for MIMO single-stream or dual-stream transmission. In the present invention, the HS-SCCH-bearing MIMO single-stream transmission resource control of the structure can be directly adopted. Information or MIMO dual stream transmission resource control information. However, since the length of the HS-SCCH signaling for the CPC function existing in the prior art is 46 bits, the method provided by the present invention in this case mainly expands the HS-SCCH signaling under the CPC function, so that The length is the same as the HS-SCCH signaling length under the MIMO function, and the providing method can adopt the corresponding HS-SCCH signaling according to the current functional requirements. Accordingly, the terminal can distinguish the functions of the received HS-SCCH.

According to different settings of channelization code information and modulation information length, HS-SCCH signaling can also be

1) When the HS-SCCH signaling length is 54 bits, the channelization code information in the HS-SCCH signaling under the MIMO function is 8 bits, and the HAP is 4 bits. The structure can be as shown in FIG. Mod, TBS, and RV information for the data stream. The value of the start code in the channelization code information of the MIMO function is less than or equal to the value of the termination code, or the value of the start code is greater than a special value in the termination code to identify that the SF is 1. For example, the special value of the identifier SF is 1 may be the inverted value of the start code and the termination code, that is, the start code takes the maximum value, and the termination code takes The state of the minimum value is taken as an example in the following description, and the following is no longer described. At 54 bits, the start code value indicating that SF is 1 is 15 and the termination code is 0. For MIMO single-stream transmission, the TBS field of one of the data streams is set to 0, and accordingly the Mod field and the RV field of the data stream are invalid. For example, TBS2 can be set to 0, and the Mod 2 domain and the RV 2 domain are also set to 0; For MIMO dual stream transmission, the TBS fields corresponding to the two data streams are valid.

The HS-SCCH signaling length of the existing CPC function is 46 bits. To avoid blind detection by the UE, the HS-SCCH signaling length under the CPC function needs to be set to 54 bits. In this case, the original CPC function can be used. The HS-SCCH signaling format is preceded by an 8-bit CPC identifier, which together with the original start code and the termination code constitutes channelization code information, and the structure of other information is the same as that of the prior art. The HS-SCCH structure for the semi-persistent resource allocation type under the CPC function is shown in FIG. 9, and the HS-SCCH structure for temporarily scheduling the resource type is as shown in FIG.

In this channel, the value of the start code is less than or equal to the termination code in the channelization code information for the MIMO function, or the start code is 15 and the termination code is 0. For the HS with MIMO function. - The SCCH distinguishes to indicate the CPC function, and sets the value of the first 4 bits of the 8-bit CPC identifier to be greater than the last 4 bits, and takes the values of 15 and 0 respectively when the first 4 bits and the last 4 bits are different. For example, the CPC flag can be set to any of 11χχ10χχ, llxxOlxx, ΙΟχχΟΙχχ or OlxxOOxx, where the x flag can take any value or can be used as a reserved bit.

2) When the HS-SCCH signaling length is 53 bits, the HS-SCCH signaling structure under the MIMO function is basically the same as that shown in FIG. 8, except that the HAP is 3 bits. In this case, the HS-SCCH signaling structure under the CPC function can also adopt the structure shown in FIG. 9 and FIG. 10 respectively, except that the added CPC identifier in the channelization code information is 7 bits, in order to be compatible with the HS-MIMO function. The SCCH signaling is differentiated, and the value of the first 4 bits in the channelization code information is greater than the value of the next 4 bits, and the first 4 bits and the adjacent lower 4 bits are different respectively. Take the values of 15 and 0. In this case, you can set the CPC identifier to any one of llxxl0x, llxxOlx, ΙΟχχΟΟχ, ΙΟχχΟΙχ or OlxxOOx. The x identifier can take any value or can be used as reserved bits. In addition, one of the 2 bits originally reserved in the HS-SCCH signaling may be filled into the CPC identifier to form the same CPC identifier as that of FIG. 9 and FIG.

3) When the HS-SCCH signaling length is 52 bits, the HS-SCCH signaling structure under the MIMO function is basically the same as that shown in Figure 8. The difference is that the channelization code information is 6 bits, and the 52-bit length is used for MIMO. The functional HS-SCCH signaling structure can be as shown in FIG. 11, since the channelization code information is shortened to 6 bits, the first 3 bits are the start code, and the last 3 bits are the termination code, and the code channel granularity allocated at this time is as shown in FIG. Compared to the illustrated structure, one code channel with 16 SFs is increased to 2 code channels with 16 SFs. In this case, the HS-SCCH signaling structure under the CPC function can also adopt the structure shown in FIG. 9 and FIG. 10 respectively, and the difference is that the added CPC identifier in the channelization code information is 6 bits, in order to cooperate with the HS-MIMO function. The SCCH signaling is differentiated, and the value of the first 3 bits in the channelization code information is greater than the value of the next 3 bits, and the values of 7 and 0 are taken when the first 3 bits and the adjacent lower 3 bits are different. The CPC identifier can be set to any one of llxlOx, llxOlx, ΙΟχΟΟχ, ΙΟχΟΙχ or OlxOOx, where the X identifier can take any value or can be used as a reserved bit.

4) When the HS-SCCH signaling length is 51 bits, the HS-SCCH signaling structure under the MIMO function is basically the same as that shown in FIG. 11, except that the HAP is 3 bits. At this time, the HS-SCCH signaling structure under the CPC function can also adopt the structures shown in FIG. 9 and FIG. 10 respectively, and the difference is that the added CPC identifier in the channelization code information is 5 bits, in order to be compatible with the HS-MIMO function. The SCCH signaling is differentiated, and the value of the first 3 bits in the channelization code information is greater than the value of the next 3 bits, and the values of 7 and 0 are taken when the first 3 bits and the adjacent lower 3 bits are different. In this case, you can set the CPC ID to any one of 11x10, 11x01, 10x00, 10x01, or 01x00. The X identifier can be any value or used as a reserved bit. In addition, it is also possible to use the original 2 bits reserved in the HS-SCCH signaling. 1 bit is padded into the CPC tag.

In the second case, in addition to the above four types of HS-SCCH signaling, depending on the length of the channelization code information and the HAP, the HS-SCCH signaling under the MIMO function can also take 50 bits and 49 bits. When 50 bits are used, the special value of the identifier SF being 1 in the channelization code information under the MIMO function may be: the first bit and the second bit of the start code are 0 and 1, respectively, and the first bit and the end of the termination code The 2 bits are 0 and 0, respectively, for example, 0100. Correspondingly, the CPC identifier included in the channelization code information in the HS-SCCH signaling under the CPC function can be set to 4 bits and 3 bits, respectively, and when the CPC identifier is 4 bits, it can be set to 1110, 1101, 1000, 1001 or 0100. Any one of them; when the CPC is 3 bits, it can be set to 100, which is no longer - specifically enumerated.

In addition, the HS-SCCH signaling under the MIMO function can also take 48 bits and 47 bits. In this case, 2 bits and 1 bit can be added in the HS-SCCH signaling respectively, and the original HS-SCCH signaling is used. The reserved 2 bits are moved to the front end together with the added bits to form a 4-bit and 3-bit CPC identifier. That is, when the HS-SCCH signaling under the MIMO function is 48 bits, the channelization code in the HS-SCCH signaling corresponding to the CPC function includes a 4-bit CPC identifier, which can be set to be in 1110, 1101, 1000, 1001 or 0100. If the HS-SCCH signaling under the MIMO function is 47 bits, the channelization code in the HS-SCCH signaling corresponding to the CPC function includes a 3-bit CPC identifier, which can be set to 100 to identify the CPC function.

In the above second case, under the CPC function, whether the HS-SCCH signaling is used for the semi-continuous resource allocation type or the temporary scheduling resource type is still distinguished by the resource allocation period information.

In addition, the reserved bits in the HS-SCCH signaling may be further used to carry the code channel allocation mode information. For example, the reserved 2 bits may be used to identify the code channel allocation mode with 1 SF being 1 and 16 The code channel allocation mode with the SF of 16 or other code channel allocation mode may be: One of the bits is used to identify the first group of allocation modes or the second component. When the first group is allocated, the second bit is specifically identified by whether one SF is 1 code channel allocation mode or 16 SFs are 16 code channel allocation modes; In the mode, the second bit is specifically identified by using another code channel allocation mode with the SF being 16.

In the foregoing method embodiment, the HS-SCCH signaling length adopted by the base station and the terminal, that is, the HS-SCCH signaling length agreed by the base station and the terminal, may be pre-configured, and the HS-SCCH signaling is performed according to the agreed length. Transmission. The network side (for example, the radio network controller) may also send the HS-SCCH signaling length information used by the high layer signaling to the base station according to the terminal capability status, using the HS-SCCH signaling length corresponding to the terminal capability status. The terminal performs the HS-SCCH signaling transmission according to the HS-SCCH signaling length, and the terminal performs the HS-SCCH signaling reception according to the HS-SCCH signaling length. The HS-SCCH signaling length information sent by the network may be carried in the high-layer signaling in an explicit manner. Preferably, the parameter information of the HS-SCCH signaling length may be carried in the high-level signal. The base station and the terminal determine the corresponding HS-SCCH signaling length information by using the parameter information carried in the high layer signaling.

For example, if the terminal reports the capability of the terminal to the radio network controller to support the resource with the SF being 1, the radio network controller determines to adopt the 46-bit length HS-SCCH signaling, and sends the 46-bit information to the higher layer signaling. After receiving the high layer signaling, the base station sends the HS-SCCH corresponding to the current function requirement according to the 46-bit length HS-SCCH. After receiving the high layer signaling, the terminal decodes the HS-SCCH according to the 46-bit length. If the terminal reports its own capability to the radio network controller to support SF 1 and also supports SF 16 resources, the radio network controller can notify the base station and the terminal to adopt the 46-bit length HS-SCCH signaling structure through high-level signaling, or The base station and the terminal are notified to adopt an HS-SCCH signaling structure with a length of more than 46 bits. The base station sends the HS-SCCH according to the high layer signaling indication, and the terminal decodes the HS-SCCH of the corresponding length according to the high layer indication. The above is a detailed description of the method provided by the present invention. The base station and the terminal provided by the present invention are described in detail below. FIG. 12 is a structural diagram of a base station according to an embodiment of the present invention. The base station is applied to a communication system that uses the same length of HS-SCCH signaling under various functional requirements. As shown in FIG. 12, the base station may include: channelization code determination. Unit 1201 and signaling unit 1202.

The channelization code determining unit 1201 is configured to determine channelization code information corresponding to the current function requirement according to the correspondence between the preset channelization code information and the function requirement.

The signaling sending unit 1202 is configured to send, to the terminal, HS-SCCH signaling including channelization code information determined by the channelization code determining unit 1201.

Among them, functional requirements include MIMO or CPC functions.

In addition, the base station may further include: a signaling length determining unit 1203, configured to determine pre-configured HS-SCCH signaling length information, or obtain used HS-SCCH signaling length information from the received higher layer signaling.

The channelization code determining unit 1201 determines the channelization code information corresponding to the current function requirement under the length determined by the signaling length determining unit 1203.

The signaling transmitting unit 1202 transmits the HS-SCCH signaling in accordance with the length information determined by the signaling length determining unit 1203.

Preferably, the channelization code determining unit 1201 is further configured to determine, according to the correspondence between the channelization code information and the resource type, the channelization code corresponding to the current resource type when determining that the current resource type is the MIMO function. Information, and channelization code information corresponding to the current function requirement and corresponding to the current resource type is provided to the signaling unit 1202.

The structure is for the 46-bit HS-SCCH structure. For the HS-SCCH structure larger than 46 bits, another structure may be adopted. In this case, the base station may further include: a TBS domain setting unit 1204, configured to When the channelization code determining unit 1201 determines that the current resource type is the MIMO function, if the current resource type is a MIMO single stream transmission resource, The TBS field of one of the HS-SCCH signaling sent by the sending unit 1202 is set to be invalid; if the current resource type is the MIMO dual stream transmission resource, the two data in the HS-SCCH signaling sent by the signaling sending unit 1202 The TBS field of the stream is set to be valid.

In addition, the system may further include: a period setting unit 1205, configured to carry the current resource type in the HS-SCCH signaling sent by the signaling sending unit 1202 when the channelization code determining unit 1201 determines that the current resource type is the CPC function. Corresponding resource allocation period information; wherein, the resource type under the CPC function is a semi-persistent resource allocation type or a temporary scheduling resource type.

FIG. 13 is a structural diagram of a terminal according to an embodiment of the present invention. The terminal is also applied to a communication system using the same length of HS-SCCH signaling under various functional requirements. As shown in FIG. 13, the terminal may include: The unit 1301, the function determining unit 1302, and the signaling decoding unit 1303.

The signaling receiving unit 1301 is configured to receive HS-SCCH signaling.

The function determining unit 1302 is configured to determine, according to a correspondence between the preset channelization code information and the function requirement, a function requirement corresponding to the channelization code information in the HS-SCCH signaling received by the signaling receiving unit 1301.

The signaling decoding unit 1303 is configured to decode the HS-SCCH signaling according to the function requirement determined by the function determining unit 1302.

Among them, functional requirements include MIMO or CPC functions.

In addition, the terminal may further include: a signaling length determining unit 1304, configured to determine pre-configured HS-SCCH signaling length information, or obtain HS-SCCH signaling length information from the received high-layer signaling.

The function determining unit 1302 determines the function requirement corresponding to the channelization code information in the HS-SCCH signaling under the length information determined by the signaling length determining unit 1304.

The signaling decoding unit 1303 solves the length information determined by the signaling length determining unit 1304. Code HS-SCCH signaling.

Preferably, the terminal may further include: a first resource type determining unit 1305, configured to determine, according to a correspondence between channelization code information and a resource type, when the function determining unit 1302 determines that the current function requirement is a MIMO function. - The resource type corresponding to the channelization code information in the SCCH signaling. The resource type under the MIMO function is a MIMO single stream transmission resource or a MIMO dual stream transmission resource.

The signaling decoding unit 1303 performs the decoding operation in accordance with the function requirements determined by the function determining unit 1302 and the resource type determined by the first resource type determining unit 1305.

The foregoing first resource type determining unit 1305 is for the HS-SCCH signaling of the 46-bit length. For the HS-SCCH signaling with a length of more than 46 bits, another structure may be adopted, that is, the terminal may further include: The resource type determining unit 1306 is configured to: when the function determining unit 1302 determines that the current function requirement is the MIMO function, determine the current resource type according to the TBS domain information included in the received HS-SCCH signaling, if the TBS domain of one of the data flows If it is set to be invalid, it is determined that the current resource type is a MIMO single stream transmission resource. If the TBS fields of both data streams are all set to be valid, the current resource type is determined to be a MIMO dual stream transmission resource.

The signaling decoding unit 1303 performs the decoding operation in accordance with the function requirements determined by the function determining unit 1302 and the resource type determined by the second resource type determining unit 1305.

In addition, the terminal may further include: a third resource type determining unit 1307, configured to: when the function determining unit 1302 determines that the current function requirement is a CPC function, determine the HS- according to the correspondence between the resource allocation period information and the resource type. The resource type corresponding to the resource allocation period information included in the SCCH signaling.

The signaling decoding unit 1303 performs the decoding operation in accordance with the function requirements determined by the function determining unit 1302 and the resource type determined by the third resource type determining unit 1307.

Among them, the resource type under the CPC function is a semi-continuous resource allocation type or temporary scheduling resource. Source type.

The base station and the terminal provided in the foregoing embodiments may implement corresponding functions of each unit in a specific manner provided in the method embodiment.

It can be seen from the above discussion that in the present invention, the MIMO function and the CPC function are used to adopt the same length of HS-SCCH signaling, and the base station determines the current functional requirements according to the correspondence between the preset channelization code information and the functional requirements. Corresponding information code information, and transmitting HS-SCCH signaling including the determined channelization code information to the terminal. That is, the base station provided by the present invention can send the HS-SCCH signaling including the corresponding channelization code information to support the MIMO function or the CPC function according to the current function requirement, and accordingly, the terminal utilizes the received HS-SCCH signaling. The channelization code information can determine the function requirements corresponding to the current HS-SCCH signaling and perform corresponding decoding processing, that is, the present invention is compatible with the MIMO function and the CPC function, and adopts the MIMO function and the HS-SCCH signaling under the CPC function. The same length, to avoid blind detection or blind decoding of the HS-SCCH by the UE.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalents, improvements, etc., which are made within the spirit and principles of the present invention, should be included in the present invention. Within the scope of protection.

Claims

Claim

A method for transmitting a shared control channel HS-SCCH of a high-speed downlink shared channel, characterized in that: HS-SCCH signaling of the same length is used under the condition of each function requirement, and the method includes:

The method according to claim 1, wherein the used HS-SCCH signaling length information is pre-configured in the base station and the terminal; or the network side uses the high layer signaling to length the HS-SCCH signaling Information is sent to the base station and the terminal.

The method according to claim 1, wherein when the current function requirement is a MIMO function, the base station further determines a channel corresponding to the current resource type according to a correspondence between channelization code information and a resource type. The channelization code information included in the HS-SCCH signaling sent by the base station is: channelization code information corresponding to the current function requirement and corresponding to the current resource type; wherein, the resource type under the MIMO function For MIMO single-stream transmission resources or MIMO dual-stream transmission resources; or,

The base station further sets the data block size TBS field of one of the data streams to be invalid in the transmitted HS-SCCH signaling when the current resource type is a MIMO single stream transmission resource, and the current resource type is MIMO dual stream transmission. In the case of resources, the TBS fields of both data streams are set to be valid in the HS-SCCH signaling transmitted.

The method according to claim 1, wherein, when the current function requirement is a CPC function, the base station further determines, according to the correspondence between the resource allocation period information and the resource type, the resource corresponding to the current resource type. Allocation cycle information, sent by the base station The determined resource allocation period information is also included in the HS-SCCH signaling; where the resource type under the CPC function is a semi-persistent resource allocation type or a temporary scheduling resource type.

The method according to claim 2, characterized in that the HS-SCCH signaling length information used indicates that the HS-SCCH signaling length is 46 bits or greater than 46 bits.

6. The method according to claim 5, wherein when the HS-SCCH signaling length used is 46 bits,

For the MIMO single-stream transmission resource under the MIMO function, the HS-SCCH signaling includes a 4-bit hybrid automatic repeat request process HAP information; the determined channelization code information is a value of the start code is less than or equal to The value of the termination code, or the start code takes the value of 15 and the termination code takes the value 0;

For the MIMO dual stream transmission resource under the MIMO function, the first bit and the fifth bit of the determined channelization code information are respectively 1 and 0; and the channelization code information further includes modulation information and a second data stream. TBS size offset information of the second data stream relative to the first data stream;

For the semi-persistent resource allocation type or the temporary scheduling resource type under the CPC function, the first, second, fifth and sixth bits of the determined channelization code information respectively take 1, 1, 1, and 0; the channelization code information It also includes resource allocation cycle information.

The method according to claim 6, wherein, for the MIMO single-stream transmission resource under the MIMO function, the first bit and the fifth bit of the determined channelization code information are 0 and 1, respectively.

8. The method according to claim 5, wherein when the HS-SCCH signaling length used is greater than 46 bits,

For the MIMO single-stream transmission resource under the MIMO function, the determined channelization code information is that the value of the start code is less than or equal to the value of the termination code, or the start code and the termination code are identified by the spreading factor SF. a preset value of 1; one of the HS-SCCH signaling carried The TBS field of the data stream is set to be invalid;

For the MIMO dual-stream transmission resource under the MIMO function, the determined channelization code information is that the value of the start code is less than or equal to the value of the termination code, or the start code and the termination code take the preset that the identifier SF is 1. a TBS field of the two data streams carried in the HS-SCCH signaling is set to be valid;

For the semi-persistent resource allocation type or the temporary scheduling resource type under the CPC function, the determined channelization code information includes a CPC identifier of N-46 bits or N-46+M bit length, where N is the adopted HS- The length of the SCCH signaling, where M is the length of the reserved bits in the HS-SCCH signaling; the value of the CPC identifier is: except for the channelization code information before the MIMO function, N-46 bits or the former N-46+M Values other than values.

The method according to claim 8, wherein when the length of the HS-SCCH signaling used is 50 bits, the preset value of the start code and the termination code identifier SF is 1: The first and second bits of the code are 0 and 1, respectively, and the first and second bits of the termination code are 0 and 0, respectively.

The method according to claim 8, wherein the reserved bit of the HS-SCCH or the CPC identifier carries a code channel for a semi-persistent resource allocation type or a temporary scheduling resource type under the CPC function. Distribution method information.

A method for receiving an HS-SCCH, characterized in that: HS-SCCH signaling of the same length is used under each functional requirement condition, and the method includes:

The method according to claim 11, wherein the adopted HS-SCCH signaling length information is pre-configured in the terminal, or is received from a higher layer. Obtained in signaling.

The method according to claim 11, wherein when the terminal determines that the function requirement is a MIMO function, determining, according to a correspondence between channelization code information and a resource type, determining the received The resource type corresponding to the channelization code information in the HS-SCCH signaling, the performing the decoding step according to the determined resource type, where the resource type in the MIMO function is a MIMO single stream transmission resource or a MIMO dual stream transmission resource; Or,

And determining, according to the received TBS domain information included in the HS-SCCH signaling, a current resource type, if the TBS domain of one of the data flows is set to be invalid, determining that the current resource type is a MIMO single-stream transmission resource, according to the MIMO single The step of performing the decoding in a manner corresponding to the streaming resource; if the TBS fields of the two data streams are all set to be valid, determining that the current resource type is a MIMO dual-stream transmission resource, and performing the manner corresponding to the MIMO dual-stream transmission resource The steps of decoding.

The method according to claim 11, wherein when the terminal determines that the function requirement is a CPC function, the terminal further determines to receive according to a correspondence between resource allocation period information and a resource type. The resource type corresponding to the resource allocation period information included in the HS-SCCH signaling, performing the decoding step according to the determined resource type; wherein the resource type under the CPC function is a semi-persistent resource allocation type or a temporary scheduling resource Types of.

The method according to claim 12, wherein the adopted HS-SCCH signaling length information indicates that the HS-SCCH signaling length is 46 bits or greater than 46 bits.

The method according to claim 15, wherein when the length of the HS-SCCH signaling used is 46 bits,

If the channelization code information is that the value of the start code is less than or equal to the value of the termination code, or the start code is 15 and the termination code is 0, the terminal determines that the current function needs to be Finding a MIMO function, and the HS-SCCH signaling carries control information of a MIMO single stream transmission resource;

If the first bit and the fifth bit of the channelization code information are 1 and 0, respectively, the terminal determines that the current function requirement is a MIMO function, and the HS-SCCH carries the control information of the MIMO dual stream transmission resource;

If the 1, 2, 5, and 6 bits of the channelization code information are 1, 1, 1, and 0, respectively, the terminal determines that the current functional requirement is a CPC function.

The method according to claim 16, wherein if the first bit and the fifth bit of the channelization code information take 0 and 1, respectively, the terminal determines that the current function requirement is a MIMO function, and The HS-SCCH signaling carries control information of a MIMO single stream transmission resource.

The method according to claim 15, wherein when the HS-SCCH signaling length used is greater than 46 bits,

If the channelization code information is that the value of the start code is less than or equal to the value of the termination code, or the start code and the termination code take a preset value of the identification spreading factor SF of 1, determine that the current functional requirement is MIMO. Features;

If the channelization code information includes a CPC identifier of N-46 bits or N-46+M bits, and the value of the CPC identifier is N-46 bits before or before the channelization code information for the MIMO function. The value other than the value of the N-46+M bit determines that the current functional requirement is the CPC function; where N is the length of the HS-SCCH signaling used, and M is the length of the reserved bit in the HS-SCCH signaling.

The method according to claim 18, wherein after determining that the current functional requirement is a MIMO function, if the TBS field of one of the data flows carried by the HS-SCCH signaling is set to be invalid, the terminal Determining, by the HS-SCCH signaling, control information of a MIMO single-stream transmission resource, and performing the method corresponding to the MIMO single-stream transmission resource Decoding step; if the TBS fields of the two data streams carried by the HS-SCCH signaling are all set to be valid, the terminal determines that the HS-SCCH signaling carries control information of the MIMO dual stream transmission resource, according to MIMO The step of decoding is performed in a manner corresponding to the dual stream transmission resource.

The method according to claim 18 or 19, wherein when the length of the HS-SCCH signaling used is 50 bits, the preset value of the start code and the termination code identifier SF is 1: The first bit and the second bit of the start code are 0 and 1, respectively, and the first bit and the second bit of the termination code are 0 and 0, respectively.

A base station, which is characterized in that it is applied to a communication system using HS-SCCH signaling of the same length under various functional requirements, the base station comprising: a channelization code determining unit and a signaling transmitting unit;

The channelization code determining unit is configured to determine channelization code information corresponding to a current function requirement according to a correspondence between preset channelization code information and a function requirement;

The functional requirements include a MIMO function or a CPC function.

The base station according to claim 21, wherein the base station further comprises: a signaling length determining unit, configured to determine pre-configured HS-SCCH signaling length information, or from the received high layer signaling Obtaining the adopted HS-SCCH signaling length;

The channelization code determining unit determines channelization code information corresponding to the current function requirement under the length determined by the signaling length determining unit;

The signaling sending unit sends the HS-SCCH signaling according to the length information determined by the signaling length determining unit.

The base station according to claim 21 or 22, wherein the channelization code determining unit is further configured to: according to channelization when determining that the current resource type is a MIMO function Corresponding relationship between the code information and the resource type, determining channelization code information corresponding to the current resource type, and providing channelization code information corresponding to the current function requirement and corresponding to the current resource type to the signaling sending unit.

The base station according to claim 21 or 22, wherein the base station further comprises: a TBS domain setting unit, configured to: when the channelization code determining unit determines that the current resource type is a MIMO function, if the current resource type For the MIMO single-stream transmission resource, set the TBS field of one of the HS-SCCH signaling sent by the signaling sending unit to be invalid; if the current resource type is a MIMO dual-stream transmission resource, the signaling sending unit The TBS fields of both data streams in the transmitted HS-SCCH signaling are set to be valid.

The base station according to claim 21 or 22, wherein the period setting unit is configured to: when the channelization code determining unit determines that the current resource type is a CPC function, the HS sent by the signaling sending unit - the SCCH signaling carries resource allocation period information corresponding to the current resource type;

The resource type under the CPC function is a semi-persistent resource allocation type or a temporary scheduling resource type.

A terminal, which is characterized in that it is applied to a communication system using HS-SCCH signaling of the same length under various functional requirements, and the terminal includes: a signaling receiving unit, a function determining unit, and a signaling decoding unit;

The signaling receiving unit is configured to receive HS-SCCH signaling;

The function determining unit is configured to determine, according to a correspondence between preset channelization code information and a function requirement, a function requirement corresponding to channelization code information in the HS-SCCH signaling received by the signaling receiving unit ;

The functional requirements include a MIMO function or a CPC function.

The terminal according to claim 26, wherein the terminal further comprises: a signaling length determining unit, configured to determine pre-configured HS-SCCH signaling length information, or from the received higher layer signaling Obtaining HS-SCCH signaling length information;

The function determining unit determines, according to the length information determined by the signaling length determining unit, a function requirement corresponding to the channelization code information in the HS-SCCH signaling;

The signaling decoding unit decodes the HS-SCCH signaling according to the length information determined by the signaling length determining unit.

The terminal according to claim 26 or 27, further comprising: a first resource type determining unit, configured to: when the function determining unit determines that the current function requirement is a MIMO function, according to a channelization code Determining, by the correspondence between the information and the resource type, a resource type corresponding to the channelization code information in the HS-SCCH signaling;

The signaling decoding unit performs the decoding operation according to the function requirement determined by the function determining unit and the resource type determined by the first resource type determining unit;

The resource type in the MIMO function is a MIMO single stream transmission resource or a MIMO dual stream transmission resource.

The terminal according to claim 26 or 27, further comprising: a second resource type determining unit, configured to: when the function determining unit determines that the current function requirement is a MIMO function, according to the received The TBS domain information included in the HS-SCCH signaling determines a current resource type. If the TBS domain of one of the data flows is set to be invalid, determining that the current resource type is a MIMO single-stream transmission resource, if the TBS domain of the two data flows If all are set to be valid, the current resource type is determined to be a MIMO dual stream transmission resource;

The signaling decoding unit performs the decoding operation according to a function requirement determined by the function determining unit and a resource type determined by the second resource type determining unit.

The terminal according to claim 26 or 27, wherein the terminal further comprises: a third resource type determining unit, configured to determine, at the function determining unit, a current function When the function is the CPC function, the resource type corresponding to the resource allocation period information included in the HS-SCCH signaling is determined according to the correspondence between the resource allocation period information and the resource type; the signaling decoding unit according to the function Determining a function requirement determined by the unit and an operation performed by the third resource type determining unit to perform the decoding;