CN101511124A - Power equilibrium method, base station and communication system - Google Patents
Power equilibrium method, base station and communication system Download PDFInfo
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- CN101511124A CN101511124A CNA2009101272197A CN200910127219A CN101511124A CN 101511124 A CN101511124 A CN 101511124A CN A2009101272197 A CNA2009101272197 A CN A2009101272197A CN 200910127219 A CN200910127219 A CN 200910127219A CN 101511124 A CN101511124 A CN 101511124A
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- cpich
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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- Computer Networks & Wireless Communication (AREA)
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Abstract
An embodiment of the invention relates to a power equal method, a base station and a communication system. The method includes steps as follows: receiving a subdistrict establishing signaling information sent by RNC, the subdistrict establishing signaling information includes a channel number of an assistant public pilot channel S-CPICH; placing S-CPICH corresponding to the channel number of S-CPICH on a secondly sending antenna; placing the secondly sending antenna of S-CPICH on a main sending antenna for sending non-MIMO UP channel and the accompany special channel. When MIMO subdistrict has more users, the embodiment of the invention realizes sending power equal of the sending antenna in MIMO subdistrict by selecting whether sending non-MIMO UE on the main sending antenna or the secondly sending antenna which can increase system capacity and resource utilization ratio.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of method for balancing powers, base station and communication system.
Background technology
(Multiple Input Multiple Output, MIMO) technology is Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) a new key property of introducing in the standard to multiple-input and multiple-output.In up-to-date R8 agreement, use MIMO technology and 64 quadrature amplitude modulation (64Quadrature Amplitude Modulation, 64QAM) can make the high-speed downstream bag insert (HighSpeed Downlink Packet Access, HSDPA) peak value downloading rate reaches 42Mbps, can provide better service for the user.
The MIMO technology uses two transmit antennas to carry out the transmission and the reception of data.High speed descending sharing channel (High Speed Downlink Shared Channel, HS-DSCH) MIMO process is supported two kinds of transmission block patterns: single bit stream transmission block and dual code stream transmission block, the single bit stream transmission block promptly has only a HS-DSCH code block, and the dual code stream transmission block then is to send two HS-DSCH code blocks simultaneously.The HS-DSCH code block through cataloged procedure be mapped to high-speed physical downlink shared channel (HS-PDSCH) (High Speed PhysicalDownlink Shared Channel, HS-PDSCH) after, carry out spread spectrum and scrambling, on two transmit antennas, launch then.
Under the MIMO pattern, (User Equipment, (Common Pilot Channel is CPICH) as the phase reference of the channel on each transmitting antenna UE) to use Common Pilot Channel for the MIMO subscriber equipment.CPICH is the down physical channel of fixed rate, carries predefined bit sequence, supplies other channel as phase reference.Under the MIMO pattern, main transmitting antenna uses Primary Common Pilot Channel (Primary CPICH, P-CPICH) main transmitting antenna comes modulation pattern to send as the phase reference of channel, use from transmitting antenna that P-CPICH's come modulation pattern or use secondary common pilot channel that (Secondary CPICH, main transmitting antenna S-CPICH) comes modulation pattern to send as the phase reference of channel as the phase reference of channel from transmitting antenna.
For DPCH (Dedicated Physical Channel, DPCH) or fractional dedicated physical channel (Fractional DPCH F-DPCH), under non-MIMO pattern, can use S-CPICH as phase reference; Under the MIMO pattern, can use S-CPICH from the transmitting antenna as phase reference, if there is not S-CPICH also can use main transmitting antenna or the P-CPICH from the transmitting antenna as phase reference.When having non-MIMO UE in a sub-district, if the channel of this non-MIMO UE is attended by DPCH or F-DPCH, then the DPCH or the F-DPCH that follow of the phase reference of the channel of this non-MIMO UE and the channel of non-MIMO UE is identical.Under the existing MIMO pattern, the channel of non-MIMO UE sends on main transmitting antenna.
The inventor is in realizing process of the present invention, find that there is following shortcoming at least in prior art: when the sub-district under the MIMO pattern, when existing MIMO UE has non-MIMO UE again in this sub-district,, can cause the transmitting power of transmitting antenna seriously unbalanced if not MIMO UE is a lot.
Summary of the invention
The embodiment of the invention provides a kind of method for balancing powers, base station and communication system, so that the transmitting power equilibrium on the transmitting antenna of MIMO sub-district improves power system capacity and resource utilization.
According to the one side of the embodiment of the invention, a kind of method for balancing powers is provided, comprising:
Signaling message is set up in the sub-district that receives the radio network controller transmission, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in described sub-district;
The S-CPICH of the channel number correspondence of described S-CPICH is arranged on from transmitting antenna;
On main transmitting antenna or be provided with S-CPICH describedly send the channel of non-multiple-input and multiple-output MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
According to the embodiment of the invention on the other hand, provide a kind of base station, having comprised:
Receiver module is used to receive the sub-district that radio network controller sends and sets up signaling message, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in described sub-district;
Module is set, and the S-CPICH that is used for the channel number correspondence of described S-CPICH that described receiver module is received is arranged on from transmitting antenna;
Select module, be used for the setting that module is set according to described, on main transmitting antenna or be provided with the described of described S-CPICH and send the channel of non-multiple-input and multiple-output MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
According to the embodiment of the invention on the other hand, provide a kind of communication system, having comprised:
Radio network controller is used to send the sub-district and sets up signaling message, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in described sub-district; And
The base station, be used to receive the described sub-district that described radio network controller sends and set up signaling message, the S-CPICH of the channel number correspondence of described S-CPICH is arranged on from transmitting antenna, and is chosen on the main transmitting antenna or being provided with the described of S-CPICH sends the channel of non-multiple-input and multiple-output MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
By above technical scheme as can be known, the method for balancing powers of the embodiment of the invention, base station and communication system, owing to be provided with S-CPICH from transmitting antenna, therefore just can be chosen on the main transmitting antenna for the channel of the non-MIMO UE in the MIMO sub-district and the dedicated channel followed thereof still is to send from transmitting antenna.Like this, non-MIMO UE in the MIMO sub-district more for a long time, send the channel of non-MIMO UE and the dedicated channel of following thereof by being chosen on the main transmitting antenna still from transmitting antenna, realize the equilibrium of transmitting power of the transmitting antenna of MIMO sub-district, improve power system capacity and resource utilization.
Description of drawings
Fig. 1 is the schematic flow sheet of method for balancing powers first embodiment of the present invention;
Fig. 2 is the schematic flow sheet of method for balancing powers second embodiment of the present invention;
Fig. 3 is the structural representation of base station embodiment of the present invention;
Fig. 4 is the structural representation of communication system embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the schematic flow sheet of method for balancing powers first embodiment of the present invention.With the MIMO technology in the WCDMA standard is example, and the base station can be Node B.As shown in Figure 1, this method comprises the steps:
Node B receives the sub-district of RNC transmission and sets up signaling message, and the channel number that comprises secondary common pilot channel (S-CPICH) in the signaling message is set up in this sub-district;
In embodiments of the present invention, for the non-MIMO UE in the MIMO sub-district, if the channel of this non-MIMOUE is attended by DPCH (DPCH) or fractional dedicated physical channel (F-DPCH), DPCH that the phase reference of then non-MIMO UE channel and this channel are followed or the phase reference of F-DPCH are identical.In step 102 and step 103, Node B is arranged on from transmitting antenna according to the channel number of the S-CPICH S-CPICH with correspondence, and like this under the MIMO pattern, DPCH or F-DPCH just can use S-CPICH from the transmitting antenna as phase reference; Again the channel of the non-MIMO UE in this MIMO sub-district is followed DPCH or F-DPCH, so the channel of the non-MIMOUE in this MIMO sub-district can use all also S-CPICH from the transmitting antenna as phase reference.The channel of non-MIMOUE comprises High-Speed Shared Control Channel (High Speed Shared Control Channel, HS-SCCH), HS-PDSCH, enhancement type special channel (Enhanced Dedicated Channel, E-DCH), absolute grant channel (E-DCH Absolute Grant Channel, E-AGCH), E-DCH relative authorization channel (E-DCH Relative Grant Channel, E-RGCH), E-DCH mixes automatic repeat requests (Hybrid Automatic Repeat reQuest, HARQ) indicating channel (E-DCH
Hybrid ARQ Indicator Channel, E-HICH) etc.This moment, these channels that are accompanied by DPCH or F-DPCH can be to increase sending or still send from main transmitting antenna from transmitting antenna of S-CPICH by Node B selection just.
The method for balancing powers that present embodiment provides owing to be provided with S-CPICH from transmitting antenna, therefore just can be chosen in from transmitting antenna for the channel of the non-MIMO UE in the MIMO sub-district and the dedicated channel followed thereof and send.Like this, the user in the MIMO sub-district sends the channel of non-MIMO UE and the dedicated channel of following thereof by being chosen on the main transmitting antenna still from transmitting antenna more for a long time, realizes the equilibrium of transmitting power of the transmitting antenna of MIMO sub-district.
Fig. 2 is the schematic flow sheet of method for balancing powers second embodiment of the present invention.As shown in Figure 2, this method comprises the steps:
Wherein this sub-district is set up and can be comprised the setting of MIMO pilot tone in the signaling message, the channel number of configuration S-CPICH in the MIMO pilot tone is provided with, and the channel number of configuration S-CPICH was in order to indicate S-CPICH available in the MIMO sub-district during this MIMO pilot tone was provided with.
Wherein, the transmitting power on each antenna is certain, and the transmitting power in every channel of each antenna also is certain, and therefore, Node B can obtain power information on this transmitting antenna from transmitting antenna; The channel of non-MIMO UE comprises high HS-SCCH, HS-PDSCH, E-DCH, E-AGCH, E-RGCH, E-HICH etc.
The method for balancing powers that present embodiment provides, base station such as Node B obtain the sub-district from RNC and set up signaling message, and configuration S-CPICH information; Node B just can be chosen in from transmitting antenna for the channel of the non-MIMO UE in the MIMO sub-district and the DPCH that follows thereof or F-DPCH and send.Like this, the user in the MIMO sub-district by being chosen on the main transmitting antenna channel and DPCH that follows or the F-DPCH that still sends non-MIMO UE from transmitting antenna, realizes the equilibrium of transmitting power of the transmitting antenna of MIMO sub-district more for a long time; Thereby avoided power resource deficiency on the main transmitting antenna and, improved power system capacity and resource utilization from the idle situation of the power resource of transmitting antenna.
Fig. 3 is the structural representation of base station embodiment of the present invention.As shown in Figure 3, this base station comprises: receiver module 31, module 32 is set and selects module 33.Receiver module 31 is used to receive the sub-district that RNC sends and sets up signaling message, and the channel number that comprises S-CPICH in the signaling message is set up in this sub-district; The S-CPICH that module 32 is used for the channel number correspondence of S-CPICH that receiver module 31 is received is set to be arranged on from transmitting antenna; Select module 33 to be used for according to the setting that module 32 is set, on main transmitting antenna or be provided with S-CPICH send the channel of non-MIMO UE and the dedicated channel of following thereof from transmitting antenna.
This base station can also comprise that acquisition module 34 is used to obtain main transmitting antenna and from the power information of transmitting antenna; According to the information that this acquisition module 34 obtains, select module 33 to select transmitting antenna to send the channel of non-MIMO UE and the dedicated channel of following thereof.
The base station that present embodiment provides, because the base station is provided with S-CPICH from transmitting antenna, therefore just can be chosen in for the channel of the non-MIMO UE in the MIMO sub-district and the DPCH that follows thereof or F-DPCH and send from transmitting antenna, its specific implementation method such as above-mentioned method for balancing powers embodiment describe, and do not repeat them here.Like this, user in the MIMO sub-district more for a long time, the base station can be by being chosen on the main transmitting antenna channel and DPCH that follows or the F-DPCH that still sends non-MIMO UE from transmitting antenna, realizes the equilibrium of transmitting power of the transmitting antenna of MIMO sub-district.
Fig. 4 is the structural representation of communication system embodiment of the present invention.As shown in Figure 4, this communication system comprises: radio network controller (RNC) 1 and base station 2.Wherein, RNC1 is used to send the sub-district and sets up signaling message, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in this sub-district; And base station 2 is used to receive the sub-district that RNC1 sends and sets up signaling message, the S-CPICH of the channel number correspondence of S-CPICH is arranged on from transmitting antenna, and be chosen on the main transmitting antenna or be provided with S-CPICH send the channel of non-MIMO UE and the dedicated channel of following thereof from transmitting antenna.
This base station 2 specifically can comprise: receiver module 21 is used to receive the sub-district that RNC1 sends and sets up signaling message, and the channel number that comprises S-CPICH in the signaling message is set up in this sub-district; The S-CPICH that module 22 is used for the channel number correspondence of S-CPICH that receiver module 21 is received is set to be arranged on from transmitting antenna; Select module 23 to be used for according to the setting that module 22 is set, on main transmitting antenna or be provided with S-CPICH send the channel of non-MIMO UE and the dedicated channel of following thereof from transmitting antenna.Wherein the sub-district is set up and can be comprised the setting of MIMO pilot tone in the signaling message, comprises the channel number of above-mentioned S-CPICH in this MIMO pilot tone is provided with.
UE4 in this communication system is used to receive base station 2 by main transmitting antenna or the data that send from transmitting antenna.
Base station 2 and RNC1 in the present embodiment can be applied in the WCDMA network system.
The communication system that present embodiment provides owing to be provided with S-CPICH from transmitting antenna, therefore just can be chosen in from transmitting antenna for the channel of the non-MIMO UE in the MIMO sub-district and the DPCH that follows thereof or F-DPCH and send.Like this, the user in the MIMO sub-district by being chosen on the main transmitting antenna channel and DPCH that follows or the F-DPCH that still sends non-MIMO UE from transmitting antenna, realizes the equilibrium of transmitting power of the transmitting antenna of MIMO sub-district more for a long time; Thereby avoided power resource deficiency on the main transmitting antenna and, improved power system capacity and resource utilization from the idle situation of the power resource of transmitting antenna.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in a computer and can obtain in the storage medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-OnlyMemory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1, a kind of method for balancing powers is characterized in that, comprising:
Signaling message is set up in the sub-district that receives the radio network controller transmission, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in described sub-district;
The S-CPICH of the channel number correspondence of described S-CPICH is arranged on from transmitting antenna;
On main transmitting antenna or be provided with S-CPICH describedly send the channel of non-multiple-input and multiple-output MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
2, method for balancing powers according to claim 1 is characterized in that, described sub-district is set up and comprised the setting of MIMO pilot tone in the signaling message, comprises the channel number of described S-CPICH in described MIMO pilot tone is provided with.
3, method for balancing powers according to claim 1 and 2 is characterized in that, on main transmitting antenna or be provided with S-CPICH describedly send the channel of non-MIMO subscriber equipment and the dedicated channel of following specifically comprises from transmitting antenna:
Obtain described main transmitting antenna and from the power information of transmitting antenna, be chosen on the described main transmitting antenna still being provided with the described of S-CPICH according to described power information and send the channel of non-MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
4, method for balancing powers according to claim 3, it is characterized in that, the channel of described non-MIMO subscriber equipment comprise among high-speed shared control channel HS-SCCH, high-speed physical downlink shared channel (HS-PDSCH) HS-PDSCH, enhancement type special channel absolute grant channel E-AGCH, enhancement type special channel relative authorization channel E-RGCH and the enhancement type special channel hybrid automatic repeat request indication channel E-HICH any one or multiple.
5, a kind of base station is characterized in that, comprising:
Receiver module is used to receive the sub-district that radio network controller sends and sets up signaling message, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in described sub-district;
Module is set, and the S-CPICH that is used for the channel number correspondence of described S-CPICH that described receiver module is received is arranged on from transmitting antenna;
Select module, be used for the setting that module is set according to described, on main transmitting antenna or be provided with the described of described S-CPICH and send the channel of non-multiple-input and multiple-output MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
6, base station according to claim 5 is characterized in that, described selection module comprises:
Obtain submodule, be used to obtain described main transmitting antenna and from the power information of transmitting antenna;
Select to send submodule, be used for according to the described setting that module is set and describedly obtain the described power information that submodule gets access to, be chosen on the main transmitting antenna still being provided with the described of described S-CPICH and send the channel of non-MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
According to claim 5 or 6 described base stations, it is characterized in that 7, described sub-district is set up and comprised the setting of MIMO pilot tone in the signaling message, comprises the channel number of described S-CPICH in described MIMO pilot tone is provided with.
8, a kind of communication system is characterized in that, comprising:
Radio network controller is used to send the sub-district and sets up signaling message, and the channel number that comprises secondary common pilot channel S-CPICH in the signaling message is set up in described sub-district; And
The base station, be used to receive the described sub-district that described radio network controller sends and set up signaling message, the S-CPICH of the channel number correspondence of described S-CPICH is arranged on from transmitting antenna, and is chosen on the main transmitting antenna or being provided with the described of S-CPICH sends the channel of non-multiple-input and multiple-output MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
9, communication system according to claim 8 is characterized in that, described base station comprises:
Receiver module is used to receive the sub-district that radio network controller sends and sets up signaling message;
Module is set, and the S-CPICH that is used for the channel number correspondence of described S-CPICH that described receiver module is received is arranged on from transmitting antenna;
Select module, be used for the setting that module is set according to described, on main transmitting antenna or be provided with the described of described S-CPICH and send the channel of non-MIMO subscriber equipment and the dedicated channel of following thereof from transmitting antenna.
10, according to Claim 8 or 9 described communication systems, it is characterized in that described sub-district is set up and comprised the setting of MIMO pilot tone in the signaling message, comprises the channel number of described S-CPICH in described MIMO pilot tone is provided with.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101272197A CN101511124A (en) | 2009-03-09 | 2009-03-09 | Power equilibrium method, base station and communication system |
| PCT/CN2010/070823 WO2010102540A1 (en) | 2009-03-09 | 2010-03-02 | Method, base station and communication system for power equalization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101272197A CN101511124A (en) | 2009-03-09 | 2009-03-09 | Power equilibrium method, base station and communication system |
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| CN101511124A true CN101511124A (en) | 2009-08-19 |
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| CNA2009101272197A Pending CN101511124A (en) | 2009-03-09 | 2009-03-09 | Power equilibrium method, base station and communication system |
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| CN (1) | CN101511124A (en) |
| WO (1) | WO2010102540A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102540A1 (en) * | 2009-03-09 | 2010-09-16 | 华为技术有限公司 | Method, base station and communication system for power equalization |
| WO2011153876A1 (en) * | 2010-06-07 | 2011-12-15 | 中兴通讯股份有限公司 | Energy-saving control method and device for base station |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100882058B1 (en) * | 2004-09-17 | 2009-02-10 | 닛본 덴끼 가부시끼가이샤 | Communication control method, mobile communication system, base station, and circuit control station |
| CN100426696C (en) * | 2005-01-30 | 2008-10-15 | 中兴通讯股份有限公司 | Down link power balancing method under macro diversity status |
| CN100584092C (en) * | 2006-06-29 | 2010-01-20 | 华为技术有限公司 | Method for adding the radio link in the radio access network |
| WO2008033089A2 (en) * | 2006-09-14 | 2008-03-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangements for load balancing of power amplifiers |
| CN101511124A (en) * | 2009-03-09 | 2009-08-19 | 华为技术有限公司 | Power equilibrium method, base station and communication system |
-
2009
- 2009-03-09 CN CNA2009101272197A patent/CN101511124A/en active Pending
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2010
- 2010-03-02 WO PCT/CN2010/070823 patent/WO2010102540A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010102540A1 (en) * | 2009-03-09 | 2010-09-16 | 华为技术有限公司 | Method, base station and communication system for power equalization |
| WO2011153876A1 (en) * | 2010-06-07 | 2011-12-15 | 中兴通讯股份有限公司 | Energy-saving control method and device for base station |
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| WO2010102540A1 (en) | 2010-09-16 |
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Open date: 20090819 |