CN101848547A - Information transmission method and system of high-speed shared control channel - Google Patents
Information transmission method and system of high-speed shared control channel Download PDFInfo
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Abstract
The invention discloses an information transmission method of a high-speed shared control channel (HS-SCCH), which comprises the following steps of: determining the transmission mode of a current scheduling user on a high-speed physical downlink shared channel (HS-PDSCH) by a base station according to a scheduling algorithm and determination rules; searching an HS-SCCH frame structure corresponding to the determined transmission mode in preset HS-SCCH frame structures corresponding to various transmission modes; and sending the information of HS-SCCH to the scheduling user according to the searched HS-SCCH frame structure. The invention also discloses an information transmission system which can realize single-current and double-current transmission based on an extended HS-SCCH frame structure in a multi-input multi-output (MIMO) mode.
Description
Technical field
The present invention relates to the information transmission technology in synchronous code division multiple access of time-division (TD-SCDMA) system, relate in particular to a kind of information transferring method and system based on the expansion of High-Speed Shared Control Channel (HS-SCCH) frame structure.
Background technology
Single user's multiple-input and multiple-output (SU-MIMO, Simple User Multiple Input MultipleOutput) technology is the hot technology of moving communicating field in recent years, and its transmitting set and receiver are all introduced many antennas.With respect to the traditional single output of single input (SISO, Simple Input Simple Output) system, the SU-MIMO system obtains the very big lifting of power system capacity by space diversity reception to communicate or space multiplexing technique.Multi-user's multiple-input and multiple-output (MU-MIMO, Multiple User Multiple InputMultiple Output) technology is to utilize the space segmentation between different user to constitute different channels, make to have the multiplexing identical physical code channel resource of user that certain space is isolated, thereby reach the purpose that improves the mobile communications network capacity.
Under non-MIMO pattern, according to third generation partner program (3GPP, 3rd GenerationPartnership Project) agreement, downlink high-speed shared control channel (HS-SCCH, High-Speed SharedControl Channel) composition, as shown in Figure 1, comprise: 8 bits (bits) channel code set identifier (CCS, Channelisation-code-set information), 5 bit time slots positional information (TS, Timeslot), 1 bit modulation mode information (MS, Modulation scheme information), 6 bit transfer block size information (TBS, Transport-block size information), 3 bits mix automatic repeat requests (HARQ, Hybrid-ARQ process information) process identification (PID), 3 bit redundancy version information (RV, Redundancy version information), 1 bit new data block indication (NDI, New DataIndicator), 3 bit cyclic sequences sign (HSCN, HS-SCCH cyclic sequence number), amount to 30 bits.Add CRC (CRC, Cyclical Redundancy Check), it comprises UE and identifies the binding of 16 bits, amounts to 46 bits.Through appended synchronization skew (SS after 1/3 convolutional encoding and the rate-matched, Synchronization Shift) and transmitting power control (TPC, TransmissionPower Control) control bit 4 bits, amounting to 176 bits, to be mapped to two spreading factors (SF, Spreading Factor) be 16 physical channel.
The MIMO pattern comprises SU-MIMO pattern and MU-MIMO pattern, wherein, under the SU-MIMO pattern, during user's stream transmission, need carry out main flow and the auxilliary transfer of data that flows simultaneously.Owing to increased the transmission of a data stream information,, need expand existing HS-SCCH shown in Figure 1, to satisfy the needs of stream transmission under the SU-MIMO pattern so need to increase the indication of auxilliary streaming data stream information.Though application number is 200810127348.1 Chinese patent, provided the expansion scheme of HS-SCCH frame structure under the SU-MIMO pattern,, this scheme just is adapted to single user's SU-MIMO condition.
Under the MU-MIMO pattern, the multiplexing identical physical code channel resource of MU-MIMO system different user, need adopt the corresponding relation of different middle trained sequence code words (Mid-amble) and spreading code.Under existing user's acquiescence mode, the Mid-amble code word is the relation of one group K corresponding 16 spreading codes of Mid-amble code word with spreading code; And owing to support the doubly empty timesharing of N under the MU-MIMO system, promptly support under N the multiplexing identical physical code channel resource situation of user, Mid-amble code word and corresponding relation between the spreading code then expand to the relation of 16 spreading codes of K the corresponding N group of Mid-amble code word, that is to say, the corresponding one group of corresponding relation of each empty branch user, therefore, need existing HS-SCCH shown in Figure 1 is made amendment, to satisfy the needs that send control signaling under the MU-MIMO pattern, and consider compatibility, revise back HS-SCCH except satisfying the needs that send control signaling under the MU-MIMO pattern, also need the needs that send control information under the compatible non-MIMO pattern of energy and single user's the SU-MIMO pattern.
Summary of the invention
In view of this, main purpose of the present invention is to provide information transferring method and the system of a kind of HS-SCCH, to realize the transmission of the control channel under the MIMO pattern (comprising SU-MIMO and MU-MIMO).
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of information transferring method of high-speed shared control channel HS-SCCH, this method comprises:
The transmission means of current scheduling user on High-Speed Physical Downlink Shared Channel HS-PDSCH determined according to dispatching algorithm and decision rule in the base station;
Search and the corresponding HS-SCCH frame structure of determined transmission means in the HS-SCCH frame structure of default corresponding various transmission meanss described base station;
Described base station sends the information of HS-SCCH according to the HS-SCCH frame structure that finds to the terminal at current scheduling user place.
Described transmission means comprises: pure single-stream transmission pattern, multi-user's multiple-input and multiple-output MU-MIMO single-stream transmission pattern, single user's multiple-input and multiple-output SU-MIMO stream transmission pattern and MU-MIMO stream transmission pattern.
The HS-SCCH frame structure of described pure single-stream transmission pattern and MU-MIMO single-stream transmission pattern correspondence comprises following field information: the flag bit information of 2 bit type sign TypeFlag, 6 bit channel sign indicating number set identifier CCS, 5 bit time slots positional information TS, 1 bit modulation mode information MS, 6 bit transfer block size information TBS, 4 bits mix automatic repeat requests HARQ process identification (PID), 2 bit redundancy version information RV, 1 bit FLAG flag bit information, 3 bit cyclic sequences sign HSCN and 16 bit CRC CRC.
FLAG=0 is designated pure single-stream transmission pattern, and FLAG=1 is designated MU-MIMO single-stream transmission pattern;
Perhaps FLAG=1 is designated pure single-stream transmission pattern, and FLAG=0 is designated MU-MIMO single-stream transmission pattern.
In the pairing HS-SCCH frame structure of MU-MIMO single-stream transmission pattern, the 1st, 2 bits of CCS are used for the different sky of distinctive mark and divide multiple;
And empty branch multiple is 2 o'clock, and the 3rd, 4,5,6 bits of CCS are used for the code channel assignment information of identifying user; The empty multiple that divides is 3 or 4 o'clock, and the 3rd, 4 bits of CCS are used to identify different skies and divide the user, and the 5th, 6 bits are used for the code channel assignment information of identifying user.
The HS-SCCH frame structure of described SU-MIMO stream transmission pattern and MU-MIMO stream transmission pattern correspondence comprises following field information: the RV of the MS of the MS of the flag bit information of 2 bit TypeFlag, 5 bit TS, 3 bit HARQ process identification (PID)s, 3 bit HSCN, 16 bit CRC, 1 bit master transmission block, the auxilliary transmission block of 1 bit, the RV of 2 bit master transmission blocks, the auxilliary transmission block of 2 bits, the TBS of 6 bit master transmission blocks, the TBS skew of the auxilliary transmission block of 5 bits.
In the HS-SCCH frame structure of the HS-SCCH frame structure of MU-MIMO stream transmission pattern correspondence and the empty MU-MIMO single-stream transmission pattern correspondence of dividing of 2 multiples, CRC is used to identify different skies and divides the user.
After the terminal at current scheduling user place sent the information of HS-SCCH, this method further comprises: described terminal read each field information from described HS-SCCH frame structure, and carries out the HS-SCCH demodulation according to the field information that reads in described base station.
The present invention also provides the information transmission system of a kind of HS-SCCH, and this system comprises:
The base station, be used for determining the transmission means of current scheduling user on HS-PDSCH according to dispatching algorithm and decision rule, and in the HS-SCCH frame structure of default corresponding various transmission meanss, search and the corresponding HS-SCCH frame structure of determined transmission means, according to the HS-SCCH frame structure that finds, send the information of HS-SCCH to the terminal at current scheduling user place;
Terminal is used for reading each field information from the HS-SCCH frame structure that is received, and carries out the HS-SCCH demodulation according to the field information that reads.
Described transmission means comprises: pure single-stream transmission pattern, MU-MIMO single-stream transmission pattern, SU-MIMO stream transmission pattern and MU-MIMO stream transmission pattern.
The information transferring method of a kind of HS-SCCH provided by the present invention and system expand the HS-SCCH frame structure, can realize the transmission based on control signaling under the MIMO pattern of expansion HS-SCCH frame structure; The present invention supports the transmission of SU-MIMO under the MIMO pattern and many times of empty MU-MIMO control signalings of dividing, and supports the coexistence of SU-MIMO and MU-MIMO.
Description of drawings
Fig. 1 is an existing HS-SCCH frame structure schematic diagram under the non-MIMO pattern;
Fig. 2 is the HS-SCCH frame structure schematic diagram of single-stream transmission under the MIMO pattern of the present invention;
The HS-SCCH frame structure schematic diagram of Fig. 3 for transmitting under the pure single-stream mode of the present invention;
The HS-SCCH frame structure schematic diagram of Fig. 4 for transmitting under the MU-MIMO single-stream mode of the present invention;
Fig. 5 divides corresponding CCS structural representation for twice of the present invention is empty;
Fig. 6 is three times of empty CCS structural representations that divide correspondence of the present invention;
Fig. 7 is four times of empty CCS structural representations that divide correspondence of the present invention;
The HS-SCCH frame structure schematic diagram that Fig. 8 transmits down for SU-MIMO double-stream mode of the present invention;
The HS-SCCH frame structure schematic diagram that Fig. 9 transmits down for MU-MIMO double-stream mode of the present invention;
Figure 10 sends the process chart of HS-SCCH for the present invention base station under the MIMO pattern;
Figure 11 receives the also process chart of demodulation HS-SCCH for the present invention's terminal under the MIMO pattern;
Figure 12 is the composition structural representation of the information transmission system of a kind of HS-SCCH of the present invention.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
Code division multiple access (the TD-SCDMA of the present invention in order to support that the time-division is synchronous, TimeDivision-Synchronous Code Division Multiple Access) transmission of descending HS-SCCH behind system's introducing SU-MIMO, the MU-MIMO need be expanded the HS-SCCH frame structure.It is 16 descending code channel that HS-SCCH after the expansion still keeps adopting two spreading factors, and the 4 bit synchronous power control information of still multiplexing SS and TPC.
Under non-MIMO pattern, HS-SCCH keeps frame structure shown in Figure 1 constant, and the present invention is labeled as TYPE1 with frame structure shown in Figure 1 for convenience.Under the MIMO pattern, the HS-SCCH frame structure is labeled as TYPE2, is divided into three kinds of different types:
TYPE2-A represents the HS-SCCH frame structure type of single-stream transmission under the MIMO pattern: the HS-SCCH frame structure type that comprises pure single current and MU-MIMO (can support that two users emptyly divide, three users are empty divide and the four-function family is empty divides) single-stream transmission;
TYPE2-B represents SU-MIMO stream transmission under the MIMO pattern, and the HS-SCCH frame structure type of the SF=1 of High-Speed Physical Downlink Shared Channel (HS-PDSCH, High-Speed Physical Downlink Shared Channel);
TYPE2-C represents MU-MIMO under the MIMO pattern (supporting the empty branch of twice) stream transmission, and the HS-SCCH frame structure type of the SF=1 of HS-PDSCH.
Wherein, the pairing HS-SCCH frame structure of TYPE2-A, as shown in Figure 2, Fig. 2 and Fig. 1 contrast can be found, TYPE2-A has increased the flag bit information of 2 bit type signs (TypeFlag), TypeFlag in the TYPE2-A frame structure type is set to 00, promptly is designated the single-stream transmission state, comprising: the single-stream transmission state under pure single-stream transmission state and the MU-MIMO.The TS of 5 bits in the TYPE2-A frame structure, the MS of 1 bit, the TBS of 6 bits, original bit length and information implication remain unchanged among the bit length of the HCSN of 3 bits and information implication and Fig. 1.RV boil down to 2 bits of original 3 bits; The HARQ process identification (PID) of original 3 bits increases by 1 bit, changes to the HARQ process identification (PID) of 4 bits; The NDI information of original 1 bit is removed.Increase the FLAG flag bit information of 1 bit, and FLAG=0 is designated pure single-stream transmission state, as shown in Figure 3, FLAG=1 is designated the single-stream transmission state of MU-MIMO, as shown in Figure 4; Perhaps FLAG=0 is designated the single-stream transmission state of MU-MIMO, and FLAG=1 is designated pure single-stream transmission state.
CCS boil down to 6 bits of original 8 bits are set to the xxxxxx mode bit, and concrete extended mode is as follows:
Under the pure single-stream transmission state of FLAG=0, as shown in Figure 3, whole 6 bits of CCS comprise: x
CCS, 1, x
CCS, 2, x
CCS, 3, x
CCS, 4, x
CCS, 5And x
CCS, 6, being used for the code channel assignment information of identifying user, the code channel minimum particle size is the code channel of 2 SF=16, when xxxxxx=111000, expression SF=1.
At the single-stream transmission state of the MU-MIMO of FLAG=1, as shown in Figure 4, also need further to distinguish be twice emptyly divide, three times emptyly divide, four times of empty branches, and the corresponding empty user number (the Mid-amble code character that the user distributed) that divides, distinguish in such a way:
A, CCS the 1st, 2 bit (x
CCS, 1, x
CCS, 2) be used to identify different skies and divide multiple: empty divide (00xxxx) of 00 sign twice, three times of empty divide (01xxxx) of 01 sign, four times of empty divide (10xxxx) of 10 signs, 11 for reserving.
B, for empty divide (00xxxx) of twice, as shown in Figure 5, residue CCS four bits are used for the code channel assignment information of identifying user, the code channel minimum particle size is the code channel of 4 SF=16, when xxxx=1100, expression SF=1; Identify different skies according to the CRC state and divide the user, CRC normally is designated the empty user 1 of branch, and CRC polarity inversion is designated the empty user 2 of branch, perhaps adopts opposite sign;
For three times of empty divide (01xxxx), as shown in Figure 6, CCS the 3rd, 4 bit (x
CCS, 3, x
CCS, 4) sky that user ID is different divides the user: the empty users of branch 3,11 are for reserving for the empty user of branch 2,10 signs of the empty user of branch 1,01 sign of 00 sign; Residue CCS bit (x
CCS, 5, x
CCS, 6) being used for the code channel assignment information of identifying user, the code channel minimum particle size is the code channel of 8 SF=16, when xx=10, expression SF=1;
For four times of empty divide (10xxxx), as shown in Figure 7, CCS the 3rd, 4 bit (x
CCS, 3, x
CCS, 4) sky that user ID is different divides the user: the empty users 4 of branch of the empty users of branch 3,11 signs of the empty user of branch 2,10 signs of the empty user of branch 1,01 sign of 00 sign; Residue CCS bit (x
CCS, 5, x
CCS, 6) being used for the code channel assignment information of identifying user, the code channel minimum particle size is the code channel of 8 SF=16, when xx=10, expression SF=1.
The pairing HS-SCCH frame structure of TYPE2-B, as shown in Figure 8, Fig. 8 and Fig. 1 contrast can be found, increase by 2 bit TypeFlag flag bit information among the TYPE2-B, TypeFlag in the TYPE2-B frame structure type is set to 10, promptly is designated SU-MIMO stream transmission state.Original 5 bit TS in the HS-SCCH frame structure, 1 bit MS, 6 bit TBS, 3 bit HARQ process identification (PID)s, the position of 3 bit HCSN, bit length and information implication remain unchanged.Wherein modulation system indication and the indication of transmission block size are used to characterize main transmission block information (MS1 and TBS1) in the MIMO double-stream mode.
Original 3 bit RV and 1 bit NDI in the HS-SCCH frame structure, totally 4 bits are used for characterizing the RV version of the main and auxiliary transmission block of MIMO double-stream mode.Wherein, preceding two bits are used to characterize the RV of main transmission block, are designated as RV1; Latter two bit is used to characterize the RV of auxilliary transmission block, is designated as RV2.
Original 8 bit CCS boil down tos, 6 bit CCS in the HS-SCCH frame structure, and be used to refer to the TBS and the MS of auxilliary transmission block under the double-stream mode.Concrete extended mode is as follows:
When adopting double-stream mode, the 1st bit (x among the CCS
CCS, 1) be used to characterize the modulation system (MS2) of auxilliary transmission block.x
CCS, 1Be 0 expression Quadrature Phase Shift Keying (QPSK, Quadrature Phase Shift Keying) or 64 phase quadrature amplitude modulation (64QAM, Quadrature Amplitude Modulation); x
CCS, 1Be 1 expression 16QAM.Wherein, QPSK and 64QAM distinguish by a code rate thresholding R, are lower than the QPSK that is of thresholding R, are higher than the 64QAM that is of R.The the 2nd, 3,4,5,6 bit (x among the CCS
CCS, 2, x
CCS, 3, x
CCS, 4, x
CCS, 5And x
CCS, 6) be used to characterize the TBS index offset (TBS2 offset) of auxilliary transmission block with respect to main transmission block.The actual TBS index of auxilliary transmission block equals main transmission block TBS index and deducts TBS2 offset.
The pairing HS-SCCH frame structure of TYPE2-C, as shown in Figure 9, Fig. 9 and Fig. 1 contrast can be found that TYPE2-C has increased by 2 bit TypeFlag flag bit information, TypeFlag is set to 01 in the TYPE2-C frame structure type, promptly is designated MU-MIMO stream transmission state.Original 5 bit TS in the HS-SCCH frame structure, 1 bit MS, 6 bit TBS, 3 bit HARQ process identification (PID)s, the position of 3 bit HCSN, bit length and information implication remain unchanged.Wherein modulation system indication and the indication of transmission block size are used to characterize main transmission block information (MS1 and TBS1) in the MIMO double-stream mode.
Original 3 bit RV and 1 bit NDI in the HS-SCCH frame structure, totally 4 bits are used for characterizing the RV version of the main and auxiliary transmission block of double-stream mode.Wherein, preceding two bits are used to characterize the RV of main transmission block, are designated as RV1; Latter two bit is used to characterize the RV of auxilliary transmission block, is designated as RV2.
Original 8 bit CCS boil down tos, 6 bit CCS in the HS-SCC frame structure, and be used to refer to the TBS and the MS of auxilliary transmission block under the MU-MIMO double-stream mode.Concrete extended mode is as follows:
When adopting double-stream mode, the 1st bit (x among the CCS
CCS, 1) be used to characterize the modulation system (MS2) of auxilliary transmission block.x
CCS, 1Be 0 expression QPSK or 64QAM, x
CCS, 1Be 1 expression 16QAM, wherein QPSK and 64QAM distinguish by a code rate thresholding R, are lower than the QPSK that is of thresholding R, are higher than the 64QAM that is of R.The the 2nd, 3,4,5,6 bit (x among the CCS
CCS, 2, x
CCS, 3, x
CCS, 4, x
CCS, 5And x
CCS, 6) being used to characterize the TBS index offset (TBS2 offset) of auxilliary transmission block with respect to main transmission block, the actual TBS index of auxilliary transmission block equals main transmission block TBS index and deducts TBS2 offset.
CRC among Fig. 9 is used for identifying different skies and divides the user, and CRC normally is designated the empty user 1 of branch, and CRC polarity inversion is designated the empty user 2 of branch; Perhaps adopt opposite sign.
Based on the HS-SCCH frame structure of above-mentioned expansion, the base station sends the process chart of HS-SCCH under the MIMO pattern, as shown in figure 10, mainly may further comprise the steps:
Step 1002, search and the corresponding HS-SCCH frame structure of determined transmission means in the HS-SCCH frame structure of default corresponding various transmission meanss the base station.
If determine that the transmission means of user on HS-PDSCH is pure single-stream transmission pattern or MU-MIMO single-stream transmission pattern, then the frame structure of the TYPE2-A type of base station selected correspondence sends HS-SCCH information; If determine that the transmission means of user on HS-PDSCH is SU-MIMO stream transmission pattern, then the frame structure of the TYPE2-B type of base station selected correspondence sends HS-SCCH information; If determine that the transmission means of user on HS-PDSCH is MU-MIMO stream transmission pattern, then the frame structure of the TYPE2-C type of base station selected correspondence sends HS-SCCH information.
Based on the HS-SCCH frame structure of above-mentioned expansion, terminal receives the also process chart of demodulation HS-SCCH under the MIMO pattern, as shown in figure 11, mainly may further comprise the steps:
If the flag bit information of TypeFlag field is 00, show that then the transmission of Information mode is pure single-stream transmission pattern or MU-MIMO single-stream transmission pattern; If the flag bit information of TypeFlag field is 10, show that then the transmission of Information mode is a SU-MIMO stream transmission pattern; If the flag bit information of TypeFlag field is 01, show that then the transmission of Information mode is a MU-MIMO stream transmission pattern.
The flag bit information for the TypeFlag field of it is pointed out that is 00 situation, also needs further to read the FLAG field information, for example: FLAG=0, then the transmission means of determination information is pure single-stream transmission pattern; FLAG=1, then the transmission means of determination information is a MU-MIMO single-stream transmission pattern.
It is to be noted, for MU-MIMO stream transmission pattern, need determine the empty user of branch according to the crc field in the HS-SCCH frame structure, if the CRC state is normal, determine that then the active user is the empty user 1 of branch, thereby distribute the empty user of branch 1 corresponding M id-amble code character; If CRC polarity inversion determines that then the active user is the empty user 2 of branch, thereby distributes the empty user of branch 2 corresponding M id-amble code characters.
For MU-MIMO single-stream transmission pattern, need determine the empty multiple that divides according to the 1st, 2 bits of CRC, be specially:
If 1st, 2 bits are 00 then are defined as the empty branch of twice, and then determine the empty user of branch according to crc field,, determine that then the active user is empty branch user 1, thereby distribute the empty user of branch 1 corresponding M id-amble code character if the CRC state is normal; If CRC polarity inversion determines that then the active user is the empty user 2 of branch, thereby distributes the empty user of branch 2 corresponding M id-amble code characters; Obtain user's code channel assignment information again according to the 3rd, 4,5,6 bits of CRC;
If 1st, 2 bits are 01 then are defined as three times of empty branches, and then determine the empty user of branch according to the 3rd, 4 bits of CRC, distribute corresponding Mid-amble code character, obtain user's code channel assignment information again according to the 5th, 6 bits of CRC;
If 1st, 2 bits are 10 then are defined as four times of empty branches, and then determine the empty user of branch according to the 3rd, 4 bits of CRC, distribute corresponding Mid-amble code character, obtain user's code channel assignment information again according to the 5th, 6 bits of CRC.
Be the information transferring method of the HS-SCCH that realizes the invention described above, the present invention also provides the information transmission system of a kind of HS-SCCH, and as shown in figure 12, this system comprises: base station 10 and terminal 20.Base station 10, be used for determining the transmission means of current scheduling user on HS-PDSCH according to dispatching algorithm and decision rule, and in the HS-SCCH frame structure of default corresponding various transmission meanss, search and the corresponding HS-SCCH frame structure of determined transmission means, according to the HS-SCCH frame structure that finds, send the information of HS-SCCH to the terminal 10 at current scheduling user place.Terminal 20 is used for reading each field information from the HS-SCCH frame structure that is received, and carries out the HS-SCCH demodulation according to the field information that reads.
In sum, the present invention can realize the transmission based on control signaling under the MIMO pattern of expansion HS-SCCH frame structure; And the coexistence of SU-MIMO and MU-MIMO is supported in the transmission of SU-MIMO and many times of empty MU-MIMO control signalings of dividing under the support MIMO pattern; Need not to increase existing bit number, can with existing HS-SCCH frame structure compatibility.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. the information transferring method of a high-speed shared control channel HS-SCCH is characterized in that, this method comprises:
The transmission means of current scheduling user on High-Speed Physical Downlink Shared Channel HS-PDSCH determined according to dispatching algorithm and decision rule in the base station;
Search and the corresponding HS-SCCH frame structure of determined transmission means in the HS-SCCH frame structure of default corresponding various transmission meanss described base station;
Described base station sends the information of HS-SCCH according to the HS-SCCH frame structure that finds to the terminal at current scheduling user place.
2. according to the information transferring method of the described HS-SCCH of claim 1, it is characterized in that described transmission means comprises: pure single-stream transmission pattern, multi-user's multiple-input and multiple-output MU-MIMO single-stream transmission pattern, single user's multiple-input and multiple-output SU-MIMO stream transmission pattern and MU-MIMO stream transmission pattern.
3. according to the information transferring method of the described HS-SCCH of claim 2, it is characterized in that the HS-SCCH frame structure of described pure single-stream transmission pattern and MU-MIMO single-stream transmission pattern correspondence comprises following field information: the flag bit information of 2 bit type sign TypeFlag, 6 bit channel sign indicating number set identifier CCS, 5 bit time slots positional information TS, 1 bit modulation mode information MS, 6 bit transfer block size information TBS, 4 bits mix automatic repeat requests HARQ process identification (PID), 2 bit redundancy version information RV, 1 bit FLAG flag bit information, 3 bit cyclic sequences sign HSCN and 16 bit CRC CRC.
4. according to the information transferring method of the described HS-SCCH of claim 3, it is characterized in that,
FLAG=0 is designated pure single-stream transmission pattern, and FLAG=1 is designated MU-MIMO single-stream transmission pattern;
Perhaps FLAG=1 is designated pure single-stream transmission pattern, and FLAG=0 is designated MU-MIMO single-stream transmission pattern.
5. according to the information transferring method of the described HS-SCCH of claim 3, it is characterized in that,
In the pairing HS-SCCH frame structure of MU-MIMO single-stream transmission pattern, the 1st, 2 bits of CCS are used for the different sky of distinctive mark and divide multiple;
And empty branch multiple is 2 o'clock, and the 3rd, 4,5,6 bits of CCS are used for the code channel assignment information of identifying user; The empty multiple that divides is 3 or 4 o'clock, and the 3rd, 4 bits of CCS are used to identify different skies and divide the user, and the 5th, 6 bits are used for the code channel assignment information of identifying user.
6. according to the information transferring method of the described HS-SCCH of claim 2, it is characterized in that the HS-SCCH frame structure of described SU-MIMO stream transmission pattern and MU-MIMO stream transmission pattern correspondence comprises following field information: the RV of the MS of the MS of the flag bit information of 2 bit TypeFlag, 5 bit TS, 3 bit HARQ process identification (PID)s, 3 bit HSCN, 16 bit CRC, 1 bit master transmission block, the auxilliary transmission block of 1 bit, the RV of 2 bit master transmission blocks, the auxilliary transmission block of 2 bits, the TBS of 6 bit master transmission blocks, the TBS skew of the auxilliary transmission block of 5 bits.
7. according to the information transferring method of claim 5 or 6 described HS-SCCH, it is characterized in that, in the HS-SCCH frame structure of the HS-SCCH frame structure of MU-MIMO stream transmission pattern correspondence and the empty MU-MIMO single-stream transmission pattern correspondence of dividing of 2 multiples, CRC is used to identify different skies and divides the user.
8. according to the information transferring method of the described HS-SCCH of claim 2, it is characterized in that, in described base station after the terminal at current scheduling user place sends the information of HS-SCCH, this method further comprises: described terminal reads each field information from described HS-SCCH frame structure, and carries out the HS-SCCH demodulation according to the field information that reads.
9. the information transmission system of a HS-SCCH is characterized in that, this system comprises:
The base station, be used for determining the transmission means of current scheduling user on HS-PDSCH according to dispatching algorithm and decision rule, and in the HS-SCCH frame structure of default corresponding various transmission meanss, search and the corresponding HS-SCCH frame structure of determined transmission means, according to the HS-SCCH frame structure that finds, send the information of HS-SCCH to the terminal at current scheduling user place;
Terminal is used for reading each field information from the HS-SCCH frame structure that is received, and carries out the HS-SCCH demodulation according to the field information that reads.
10. according to the information transmission system of the described HS-SCCH of claim 9, it is characterized in that described transmission means comprises: pure single-stream transmission pattern, MU-MIMO single-stream transmission pattern, SU-MIMO stream transmission pattern and MU-MIMO stream transmission pattern.
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| CN200910080167.2A CN101848547B (en) | 2009-03-24 | 2009-03-24 | Information transmission method and system of high-speed shared control channel |
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| CN200910080167.2A Expired - Fee Related CN101848547B (en) | 2009-03-24 | 2009-03-24 | Information transmission method and system of high-speed shared control channel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011038631A1 (en) * | 2009-09-30 | 2011-04-07 | 中兴通讯股份有限公司 | Transmission method, transmitting and receiving devices for high speed shared control channel information |
| CN102684821A (en) * | 2011-03-16 | 2012-09-19 | 鼎桥通信技术有限公司 | Transmission method and transmission system of multi-carrier high speed downlink packet access (HSDPA), base station and user equipment |
| CN102791005A (en) * | 2011-05-19 | 2012-11-21 | 福建联拓科技有限公司 | Data transmission method and equipment in TDMA (time division multiple access) system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1731771A (en) * | 2005-08-16 | 2006-02-08 | 中兴通讯股份有限公司 | System and method for supporting multi-carrier downlink high-speed data packet access |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1731771A (en) * | 2005-08-16 | 2006-02-08 | 中兴通讯股份有限公司 | System and method for supporting multi-carrier downlink high-speed data packet access |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011038631A1 (en) * | 2009-09-30 | 2011-04-07 | 中兴通讯股份有限公司 | Transmission method, transmitting and receiving devices for high speed shared control channel information |
| CN102036303B (en) * | 2009-09-30 | 2015-05-20 | 中兴通讯股份有限公司 | High-speed shared control channel (HS-SCCH) information transmission method, transmitting device and receiving device |
| CN102684821A (en) * | 2011-03-16 | 2012-09-19 | 鼎桥通信技术有限公司 | Transmission method and transmission system of multi-carrier high speed downlink packet access (HSDPA), base station and user equipment |
| CN102684821B (en) * | 2011-03-16 | 2015-04-29 | 鼎桥通信技术有限公司 | Transmission method and transmission system of multi-carrier high speed downlink packet access (HSDPA), base station and user equipment |
| CN102791005A (en) * | 2011-05-19 | 2012-11-21 | 福建联拓科技有限公司 | Data transmission method and equipment in TDMA (time division multiple access) system |
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| CN101848547B (en) | 2014-03-12 |
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