CN101207454A - Method for indicating channelized set of codes and sending terminal of channelized set of codes information - Google Patents
Method for indicating channelized set of codes and sending terminal of channelized set of codes information Download PDFInfo
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- CN101207454A CN101207454A CNA2006101677895A CN200610167789A CN101207454A CN 101207454 A CN101207454 A CN 101207454A CN A2006101677895 A CNA2006101677895 A CN A2006101677895A CN 200610167789 A CN200610167789 A CN 200610167789A CN 101207454 A CN101207454 A CN 101207454A
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Abstract
The invention discloses a channelized code collection indicating method. Under a multi-input multi-output mode, the invention uses one or more bit combination state(s) which can indicate that the summation of the channelized code multi-code number of the single-data current and the offset of the initially channelized code is more than 16, for indicating the CCS combination of the multi-data currents. The invention also discloses a channelized code collection information sending end which includes a channelized code collection indicating unit, and uses one or more bit combination state(s) which can indicate that the summation of the channelized code multi-code number of the single-data current and the offset of the initially channelized code is more than 16, for indicating the channelized code set combination of the multi-data currents. By using one or more bit combination state(s) which can indicate that the summation of the channelized code multi-code number of the single-data current and the offset of the initially channelized code is more than 16, for indicating the CCS combination of the multi-data currents, the invention provides more CCS combinations of the multi-data current.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of indicating means of channel code set and the transmitting terminal of channel code set information.
Background technology
Along with the ripe and development of HSDPA (High-Speed Downlink Packet Access, high speed downlink packet inserts) technology, its good prospects for application and level and smooth evolution ability cause that people more and more pay close attention to.HSDPA is used to realize WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) network high-speed downlink data service, can make descending data rate reach 8～10Mbps; To adopting the HSDPA system of MIMO (Multiple-Input Multiple-Out-put, multiple-input and multiple-output) technology, data rate can reach 20Mbps.
Mimo system uses many antennas simultaneously at transmitting terminal and receiving terminal, by effectively utilizing the multipath transmisstion effect to reach the purpose that improves spectrum efficiency.Mimo system can improve the capability of communication system and the availability of frequency spectrum exponentially under the situation that does not increase bandwidth, channel capacity is linear the increase along with the increase of antenna amount, thereby under the situation that does not increase bandwidth and antenna transmission power, the availability of frequency spectrum can improve exponentially.Utilize the MIMO technology not only can improve channel capacity, also improved the reliability of channel and reduced the error rate simultaneously.
At 3GPP (Third Generation Partnership Projects, third generation partnership project) in the R6 version, the base station is at HS-PDSCH (High-Speed Physical Downlink Shared Channel, high-speed down link is shared physical channel) on only the UE (User Equipment, subscriber equipment) that is scheduled is sent single data stream.Sending HS-DSCH (High-Speed Downlink Shared Channel, high-speed downlink shared channel) time, this base station also need be at HS-SCCH (High-Speed SharedControl Channel, High-Speed Shared Control Channel) goes up the relevant information of transmitting HS-PDSCH, this information comprises CCS (the Channelization Code Set of 7 bits, channel code set) and the MS (Modulation Scheme, modulation system) of 1 bit.
Under the MIMO pattern, the base station can send dual data stream or only send single data stream to UE.Informational needs such as CCS that data flow adopted that sends and MS transmit on a HS-SCCH, with notice UE.When sending dual data stream, the information of each data flow all must be instructed to, and for example adopts a HS-SCCH channel that downlink signaling is transmitted, and the CCS information of two data flow is transmitted at same HS-SCCH.CCS comprises two information: initial channel code side-play amount (span 1～15) and the many yardages of channel code (span 1～15).For a data flow, all possible CCS of complete indication, need 7 bits altogether; If want all possible CCS of two data flow of complete indication, then need 14 bits.Therefore, the bit number of CCS information must increase.And rolling up of information bit can make the HS-SCCH decoding performance descend, and causes transmitting power to raise.
In order to solve the problem that information bit rolls up, general now employing dual mode distributes the channel code of base station transmitting terminal.A kind of mode is: when sending dual data stream, make the CCS of two data flow identical, use 7 bits can indicate the CCS of two data flow like this on HS-SCCH.But when adopting this mode, the CCS of two data flow must be identical, and the channelization code allocation of base station transmitting terminal lacks flexibility.
Another mode is: increase by the combination of two data flow CCS according to related bits (as modulation system information) and added bit.This mode is primary traffic and secondary data stream with two data flow points, and adopts 7 bits to indicate the CCS of primary traffic, and the CCS of secondary data stream draws according to the CCS corresponding relation with primary traffic.For example, this corresponding relation is: the CCS of secondary data stream is identical with the CCS of primary traffic, or secondary data flows and do not send, or secondary data to flow many yardages be 1/2 etc. of primary traffic; This mode adopts related bits and added bit, the corresponding relation of indication secondary data stream CCS and primary traffic CCS.This mode can increase the flexibility of two data flow channelization code allocation to a certain extent.But when adopting this mode, the flexibility of base station transmitting terminal channelization code allocation improves limited.
Summary of the invention
The problem to be solved in the present invention provides a kind of indicating means of channel code set and the transmitting terminal of channel code set information, and the CCS combination of more multiple data stream is provided.
For achieving the above object, the technical scheme of embodiments of the invention provides a kind of indicating means of channel code set, under MIMO mode, the many yardages of channel code of using the indication single data stream and initial channel code side-play amount sum are greater than one or more bit combination states of 16, and the CCS of indication multiple data stream makes up.
The technical scheme of embodiments of the invention provides a kind of transmitting terminal of channel code set information, comprise channel code set indicating member, the many yardages of channel code of using the indication single data stream and initial channel code side-play amount sum indicate the channelization code set of multiple data stream to set up jointly greater than one or more bit combination states of 16.
Compared with prior art, embodiments of the invention have the following advantages:
Embodiments of the invention are by using the many yardages of channel code and initial channel code side-play amount sum greater than one or more bit combination states of 16, and the CCS combination of indication multiple data stream provides the CCS of more multiple data stream to make up.
Description of drawings
Fig. 1 is the indicating means flow chart of the channel code set of the embodiment of the invention one;
Fig. 2 is the indicating means flow chart of the channel code set of the embodiment of the invention two;
Fig. 3 is the sending end structure figure of a kind of channel code set information of the embodiment of the invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
In the R6 of 3GPP version, the spreading factor of HS-PDSCH channel is 16, and employed channel code is: C
Ch, 16, O, C
Ch, 16, O+1... C
Ch, 16, O+P-1Wherein P is the many yardages of channel code (1≤P≤15), and O is initial channel code side-play amount (1≤O≤15), and O+P-1≤15.
The CCS that HS-SCCH carried is indicated by 7 bits, is expressed as: x
Ccs, 1, x
Ccs, 2... x
Ccs, 7Wherein, first three bit is drawn by following formula:
x
ccs，1，x
ccs，2，x
ccs，3＝min(P-1，15-P)；
Four bits in back are drawn by following formula:
x
ccs，4，x
ccs，5，x
ccs，6，
Owing to must satisfy O+P-1≤15, i.e. O+P≤16, so 7 indication bit have the bit combination state of 8 kinds of O+P＞16 not indicate any information, every kind of corresponding x of state
Ccs, 1, x
Ccs, 2... x
Ccs, 7Be respectively: 1110000,1110001,1110010,1110011,1110100,1110101,1110110 and 1110111.These 8 kinds of state correspondences be 8 kinds of situations of P=8 and O＞8, do not exist in actual applications.The base station can use 128-8=120 kind state in addition to indicate all possible 120 kinds of CCS.
Under the MIMO pattern, the base station can be selected the HS-DSCH channel is used single data stream transmission or multiple data stream transmission.When using the multiple data stream transmission, the present invention makes up by one or more CCS that expand denotable a plurality of data flow in the bit combination state that uses 8 kinds of O+P＞16 of indicating single data stream, thereby makes the base station can select to use more CCS combination.
Embodiment one, and is base station selected to the transmission of HS-DSCH channel use dual data stream under the MIMO pattern, and makes the CCS of two data flow identical.The indicating means of a kind of channel code set of the present invention as shown in Figure 1, this method is used one or more bit combination states of O+P＞16 of indication single data stream, the CCS combination of indication multiple data stream.With reference to Fig. 1, present embodiment may further comprise the steps:
Step s101 is provided with the corresponding relation that bit combination state and CCS make up.Adopt the P=8 of indication single data stream and 8 kinds of bit combination states of O＞8 to indicate the CCS of dual data stream to make up the x of every kind of state correspondence in the present embodiment
Ccs, 1, x
Ccs, 2... x
Ccs, 7Be respectively: 1110000,1110001,1110010,1110011,1110100,1110101,1110110 and 1110111.The correspondence setting of bit combination state and CCS combination is as shown in table 1, and the CCS combination of this dual data stream comprises the many yardages of channel code and the initial channel code side-play amount of each data flow.
Table 1
| The bit combination state | The initial channel code side-play amount of data flow 1 | The many yardages of the channel code of data flow 1 | The initial channel code side-play amount of data flow 2 | The many yardages of the channel code of data flow 2 |
| 1110000 | 1 | 15 | 1 | 7 |
| 1110001 | 1 | 13 | 1 | 6 |
| 1110010 | 1 | 11 | 1 | 5 |
| 1110011 | 1 | 9 | 1 | 4 |
| 1110100 | 1 | 7 | 1 | 3 |
| 1110101 | 1 | 5 | 1 | 2 |
| 1110110 | 1 | 3 | 1 | 1 |
| 1110111 | 1 | 2 | 1 | 1 |
Step s102, the CCS of designation data stream 1.
The CCS of data flow 1 is indicated by 7 bits, is expressed as: x
Ccs, 1, x
Ccs, 2... x
Ccs, 7
Wherein, x
Ccs, 1, x
Ccs, 2, x
Ccs, 3=min (P-1,15-P);
x
ccs，4，x
ccs，5，x
ccs，6，
Owing to must satisfy O+P≤16, so 120 kinds of CCS of 1 are flowed in the base station with 120 kinds of state designation datas of the bit combination of 7 O+P≤16.
Step s103, the CCS combination of indication dual data stream.
The CCS combination of dual data stream is divided into two parts.One of them part makes up for the CCS of the dual data stream that the corresponding relation according to the CCS of data flow 2 and the CCS of data flow 1 draws, because data flow 2 is identical with the CCS of data flow 1 in the present embodiment, so the CCS number of combinations of denotable dual data stream is 120 kinds.Another part is the corresponding relation according to bit combination state that is provided with among the step s101 and CCS combination, by the CCS combination of the dual data stream of 8 kinds of bit combination states indications of indication P=8 of single data stream and O＞8, the CCS number of combinations of denotable dual data stream is 8 kinds.
The corresponding relation of bit combination state that is provided with in step s101 in addition, and CCS combination can dynamically be adjusted by the upper strata scheduling.
Embodiment two, and is under the MIMO pattern, base station selected to the transmission of HS-DSCH channel use dual data stream.The indicating means of a kind of channel code set of the present invention as shown in Figure 2, this method is used one or more bit combination states of O+P＞16 of indication single data stream, the CCS combination of indication multiple data stream.
With reference to Fig. 2, present embodiment may further comprise the steps:
Step s201 is provided with the corresponding relation that bit combination state and CCS make up.Adopt the P=8 of indication single data stream and 8 kinds of bit combination states of O＞8 to indicate the CCS of dual data stream to make up the x of every kind of state correspondence in the present embodiment
Ccs, 1, x
Ccs, 2... x
Ccs, 7Be respectively: 1110000,1110001,1110010,1110011,1110100,1110101,1110110 and 1110111.The correspondence setting of bit combination state and CCS combination is as shown in table 2, and the CCS combination of this dual data stream comprises the many yardages of channel code and the initial channel code side-play amount of each data flow.
Table 2
| The bit combination state | The initial channel code side-play amount of data flow 1 | The many yardages of the channel code of data flow 1 | The initial channel code side-play amount of data flow 2 | The many yardages of the channel code of data flow 2 |
| 1110000 | 1 | 15 | 1 | 5 |
| 1110001 | 1 | 14 | 1 | 5 |
| 1110010 | 1 | 13 | 1 | 5 |
| 1110011 | 1 | 12 | 1 | 4 |
| 1110100 | 1 | 11 | 1 | 4 |
| 1110101 | 1 | 10 | 1 | 4 |
| 1110110 | 1 | 9 | 1 | 3 |
| 1110111 | 1 | 8 | 1 | 3 |
Step s202 is primary traffic and secondary data stream with two data flow points.In the present embodiment with data flow 1 as primary traffic, data flow 2 flows as secondary data.
Step s203, the CCS of indication primary traffic.
The CCS of data flow 1 is indicated by 7 bits, is expressed as: x
Ccs, 1, x
Ccs, 2... x
Ccs, 7
Wherein, x
Ccs, 1, x
Ccs, 2, x
Ccs, 3=min (P-1,15-P);
x
ccs，4，x
ccs，5，x
ccs，6，
Owing to must satisfy O+P≤16, so 120 kinds of CCS of 1 are flowed in the base station with 120 kinds of state designation datas of the bit combination of 7 O+P≤16.
Step s204 is provided with the corresponding relation that secondary data flows CCS and primary traffic CCS.Set three information bit x in the present embodiment
Ms-stb, 1, x
Ms-stb, 2, x
Ms-stb, 3, these three information bits are called modulation system-secondary data stream channel code indication bit, are used to indicate the CCS of secondary data stream and the corresponding relation of primary traffic CCS.Work as x
Ms-stb, 1, x
Ms-stb, 2, x
Ms-stb, 3When getting different value, a kind of corresponding relation of primary traffic CCS and secondary data stream CCS is as shown in table 3, and the value of these three information bits is 110 in the present embodiment.
Table 3
| x ms-stb，1，x ms-stb，2，x ms-stb，3 | The primary traffic modulation system | Secondary data stream modulation system | Many yardages of secondary data stream |
| 111 | 16 yuan of quadrature amplitude modulations | 16 yuan of quadrature amplitude modulations | Many yardages of primary traffic |
| 110 | 16 yuan of quadrature amplitude modulations | Quadrature Phase Shift Keying | Many yardages of primary traffic |
| 101 | 16 yuan of quadrature amplitude modulations | Quadrature Phase Shift Keying | Provide by table 4 |
| 100 | 16 yuan of quadrature amplitude modulations | Do not have | 0 |
| 011 | Quadrature Phase Shift Keying | Quadrature Phase Shift Keying | Many yardages of primary traffic |
| 010 | Quadrature Phase Shift Keying | Quadrature Phase Shift Keying | Provide by table 4 |
| 001 | Quadrature Phase Shift Keying | Quadrature Phase Shift Keying | Provide by table 5 |
| 000 | Quadrature Phase Shift Keying | Do not have | 0 |
Table 4
| Many yardages of primary traffic | Many yardages of secondary data stream |
| 15 | 7 |
| 14 | 7 |
| 13 | 7 |
| 12 | 6 |
| 11 | 6 |
| 10 | 5 |
| 9 | 5 |
| 8 | 4 |
| 7 | 4 |
| 6 | 3 |
| 5 | 3 |
| 4 | 2 |
| 3 | 2 |
| 2 | 1 |
| 1 | 1 |
Table 5
| Many yardages of primary traffic | Many yardages of secondary data stream |
| 15 | 3 |
| 14 | 3 |
| 13 | 3 |
| 12 | 3 |
| 11 | 3 |
| 10 | 3 |
| 9 | 3 |
| 8 | 2 |
| 7 | 2 |
| 6 | 2 |
| 5 | 2 |
| 4 | 1 |
| 3 | 1 |
| 2 | 1 |
| 1 | 1 |
Step s205 is according to the corresponding relation of primary traffic CCS and secondary data stream CCS, the CCS combination of indication dual data stream.For the corresponding relation of every kind of primary traffic CCS and secondary data stream CCS, the CCS number of combinations of denotable dual data stream all is 120 kinds.X in the present embodiment
Ms-stb, 1, x
Ms-stb, 2, x
Ms-stb, 3Value be 110, according to the corresponding relation of the CCS of primary traffic shown in the table 3 and secondary data stream CCS, the CCS of primary traffic is identical with the CCS that secondary data flows as can be known, the CCS number of combinations of denotable dual data stream is 120 kinds.
Step s206, according to the corresponding relation of bit combination state and CCS combination, the CCS combination of indication dual data stream.
According to the corresponding relation of bit combination state that is provided with among the step s201 and CCS combination, indicate the CCS of dual data stream to make up by the P=8 of indication single data stream and 8 kinds of bit combination states of O＞8, the CCS number of combinations of denotable dual data stream is 8 kinds.
The corresponding relation of bit combination state that is provided with in step s201 in addition, and CCS combination can dynamically be adjusted by the upper strata scheduling.
The transmitting terminal of a kind of channel code set information of the embodiment of the invention comprises channel code set indicating member 31 and correspondence setting unit 32 as shown in Figure 3, and wherein channel code set indicating member 31 is connected with correspondence setting unit 32.The many yardages of channel code that channel code set indicating member 31 can use the indication single data stream and initial channel code side-play amount sum indicate the channelization code set of multiple data stream to set up jointly greater than one or more bit combination states of 16; Correspondence setting unit 32 is used to be provided with the corresponding relation that bit combination state and channelization code set are set up jointly, and channel code set indicating member 31 is according to the CCS combination of this corresponding relation indication multiple data stream.
Embodiments of the invention through configuration, provide more dual data stream CCS combination by using existing 7 untapped 8 kinds of states of CCS indication bit; Under the situation that does not increase the additional bit number, obtaining provides than prior art greater flexibility than the more dual data stream CCS combination selection of prior art scope.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the indicating means of channel code set, it is characterized in that, under MIMO mode, the many yardages of channel code of using the indication single data stream and initial channel code side-play amount sum indicate the channelization code set of multiple data stream to set up jointly greater than one or more bit combination states of 16.
2. the indicating means of channel code set according to claim 1 is characterized in that the many yardages of the channel code of described bit combination state are 8, and initial channel code side-play amount is greater than 8.
3. the indicating means of channel code set according to claim 1 is characterized in that described bit combination is made up of 7 bits, and the bit combination of composition is: x1, x2, x3, x4, x5, x6, x7;
Described x1, x2, x3=min (P-1,15-P);
x4，x5，x6，
Wherein P is the many yardages of channel code, and O is initial channel code side-play amount.
4. the indicating means of channel code set according to claim 1 is characterized in that the channelization code set of described multiple data stream is set up many yardages of the channel code that comprises each data flow and initial channel code side-play amount jointly.
5. as the indicating means of claim 1 to 4 channel code set as described in each, it is characterized in that, described every kind of indication many yardages of channel code of single data stream and initial channel code side-play amount sum are greater than 16 bit combination, according to the corresponding relation that bit combination state and channelization code set are set up jointly, indicate a kind of channelization code set of multiple data stream to set up jointly and close.
6. as the indicating means of channel code set as described in the claim 5, it is characterized in that, before the channelization code set of indication multiple data stream is set up jointly, also comprise the corresponding relation that described bit combination state and channelization code set are set up jointly is set.
7. as the indicating means of channel code set as described in the claim 5, it is characterized in that the corresponding relation that described bit combination state and channelization code set are set up jointly is dispatched by the upper strata and dynamically adjusted.
8. the transmitting terminal of channel code set information, it is characterized in that, comprise channel code set indicating member, the many yardages of channel code of using the indication single data stream and initial channel code side-play amount sum indicate the channelization code set of multiple data stream to set up jointly greater than one or more bit combination states of 16.
9. as the transmitting terminal of channel code set information as described in the claim 8, it is characterized in that, also comprise correspondence setting unit, be used to be provided with the corresponding relation that described bit combination state and channelization code set are set up jointly; Described channel code set indicating member is set up jointly according to the channelization code set of described corresponding relation indication multiple data stream.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625371A (en) * | 2011-01-28 | 2012-08-01 | 华为技术有限公司 | Method for indicating number of streams of users and communication device |
| CN110380904A (en) * | 2019-07-23 | 2019-10-25 | 腾讯科技（深圳）有限公司 | Bandwidth allocation methods, device, electronic equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100375414C (en) * | 2002-10-17 | 2008-03-12 | 中兴通讯股份有限公司 | Wideband CDMA communication system channellized code dynamic optimized assignment |
| CN100596348C (en) * | 2005-06-06 | 2010-03-31 | 大唐移动通信设备有限公司 | Channelization code allocation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625371A (en) * | 2011-01-28 | 2012-08-01 | 华为技术有限公司 | Method for indicating number of streams of users and communication device |
| WO2012100719A1 (en) * | 2011-01-28 | 2012-08-02 | 华为技术有限公司 | Method for indicating number of streams of users and communication device for same |
| CN102625371B (en) * | 2011-01-28 | 2014-11-05 | 华为技术有限公司 | Method for indicating number of streams of users and communication device |
| CN110380904A (en) * | 2019-07-23 | 2019-10-25 | 腾讯科技（深圳）有限公司 | Bandwidth allocation methods, device, electronic equipment and storage medium |
| CN110380904B (en) * | 2019-07-23 | 2021-09-21 | 腾讯科技（深圳）有限公司 | Bandwidth allocation method and device, electronic equipment and storage medium |
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