CN102595429A - Uplink wireless cooperative multipoint transmission communication network and transmission method thereof - Google Patents
Uplink wireless cooperative multipoint transmission communication network and transmission method thereof Download PDFInfo
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Abstract
The invention discloses an uplink wireless cooperative multipoint transmission communication network and a transmission method thereof. The communication network comprises a plurality of base stations and a plurality of cooperative receiving points, wherein the cooperative receiving points participate in cooperative transmission in a mode of certain base station privacy or adjacent base station public control. A master base station establishes a cooperation relationship with the cooperative receiving points belonging to a current cell and determines the cooperative receiving points which participate in cooperative receiving when the cooperative receiving is needed; the cooperative receiving points which participates in cooperative receiving receives data of a user terminal at the corresponding idle time slot after receiving a data receiving trigger signal of the master base station, and transmits the received data of the user terminal or the signal to the master base station; and the master base station carries out combined detection for demodulating uplink data according to the data or signal transmitted by the cooperative receiving points which participate in the cooperative receiving together with the data received by the master base station. Due to application of the uplink wireless cooperative multipoint transmission communication network and the transmission method thereof, larger uplink throughput can be obtained under the condition of not changing the layout of the existing site, and pay expenses to an X2 port and occupancy to wireless resources of adjacent regions cannot be caused.
Description
Technical field
The present invention relates to the communication network technology field, relate in particular to up-link wireless cooperative multipoint transmission communication network and transmission method thereof.
Background technology
The multipoint cooperative transmission technology (Cooperative Multi-Point transmission, thus CoMP) be to improve a kind of technological means that the Cell Edge User throughput promotes whole network throughput.Traditional multipoint cooperative reception technique is the reception of cooperating between main plot (also claiming " Serving cell ") and the cooperation cell; Cooperation cell is carried out preliminary treatment (or not doing preliminary treatment) with the signal that receives; Data and channel information are sent to the main plot through the X2 mouth, and joint-detection and merging are carried out in the main plot.
It is mutual that above-mentioned CoMP transmitting uplink data scheme need be carried out lot of data in main plot and cooperation cell, caused very big pressure for the transmission of X2 mouth, and stride the joint-detection of sub-district and the complexity that folding has also increased network processes.
Summary of the invention
Technical problem to be solved by this invention is; A kind of up-link wireless cooperative multipoint transmission communication network and transmission method thereof are provided; Being used to solve main plot and cooperation cell, need to carry out lot of data mutual and influence the problem that X2 interface transmits; Reach uplink coordinated reception transmission and multi-point joint and detect the purpose that receives, improve the throughput of whole network.
In order to address the above problem, the present invention proposes a kind of communication network of up-link wireless cooperative multipoint transmission, comprising: a plurality of base stations and a plurality of cooperation acceptance point, wherein:
Each cooperation acceptance point is worked with public mode between base stations neighboring, the base station that the radio frequency of receive handling or baseband signal are sent to demand.
In a kind of preferred implementation, said cooperation acceptance point comprises antenna and rf receiver unit, wherein; Said rf receiver unit; Be used for receiving rf data, amplify, become baseband signal after the demodulation, A/D conversion process, said baseband signal is sent to the base station from antenna.Said base station comprises baseband processing module, is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
In the another kind of preferred implementation, said cooperation acceptance point comprises antenna and rf receiver unit, and wherein, said rf receiver unit is used for being transmitted to the base station to receiving rf data from antenna after amplifying.Said base station comprises radiofrequency signal processing unit and baseband processing module, and the radiofrequency signal processing unit is used for that mediation A/D is amplified, separated to the radiofrequency signal that receives from the cooperation acceptance point and converts baseband signal into; Baseband processing module is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
The present invention also provides the communication network of another kind of up-link wireless cooperative multipoint transmission, comprising: there are its privately owned one or more cooperation acceptance points a plurality of base stations, each base station configuration, and wherein, each cooperation acceptance point only communicates with own affiliated base station.
In a kind of preferred implementation, said cooperation acceptance point comprises antenna and rf receiver unit, wherein; Said rf receiver unit; Be used for receiving rf data, amplify, become baseband signal after the demodulation, A/D conversion process, said baseband signal is sent to the base station from antenna.Said base station comprises baseband processing module, is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
In the another kind of preferred implementation, said cooperation acceptance point comprises antenna and rf receiver unit, and wherein, said rf receiver unit is used for being transmitted to the base station to receiving rf data from antenna after amplifying.Said base station comprises radiofrequency signal processing unit and baseband processing module, and the radiofrequency signal processing unit is used for that mediation A/D is amplified, separated to the radiofrequency signal that receives from the cooperation acceptance point and converts baseband signal into; Baseband processing module is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
The present invention also provides a kind of method of up-link wireless cooperative multipoint transmission, is applied in the communication network that comprises a plurality of base stations and a plurality of cooperation acceptance points, and this method comprises:
Dominant base is set up cooperation relation with the cooperation acceptance point that belongs to this sub-district, when the needs cooperation receives, therefrom confirms to participate in the cooperation acceptance point that cooperation receives;
Participate in cooperation acceptance point that cooperation receives after the Data Receiving triggering signal of dominant base, receive user terminal data in correspondence period of eating dishes without rice or wine, and user terminal data that is received or signal are sent to dominant base;
The data that data that the cooperation acceptance point that dominant base receives according to participating in cooperating sends over or signal receive together with this dominant base are carried out joint-detection demodulation upstream data.
Further, said dominant base and the cooperation acceptance point that belongs to this sub-district step of setting up cooperation relation specifically comprises:
Send the sub-district to each cooperation acceptance point that belongs to this sub-district when dominant base is set up the sub-district and set up request;
Whether after the cooperation acceptance point receives the sub-district request of setting up, it is normal to detect each module, with the affirmation message of returning a configuration successful after the correct configuration successful of configuration messages to dominant base;
The cooperation acceptance point that dominant base will return the affirmation message of configuration successful is changed to available, and then both sides set up cooperation relation and finish.
Further, the solicited message in the said foundation request comprises: the ratio of uplink subframe to downlink subframe information of center of housing estate frequency and/or system bandwidth and/or TDD-LTE system.
Further, said dominant base confirms that the step of the cooperation acceptance point that the participation cooperation receives specifically comprises:
Dominant base sends querying command to each cooperation acceptance point after receiving the incident that the needs cooperation of user terminal to send up receives;
Each cooperation acceptance point is given dominant base with data that receive or signal feedback after receiving querying command;
The definite cooperation acceptance point of participating in the up reception of this user terminal of user terminal signal quality that this user terminal that dominant base measures according to each cooperation acceptance point receives the power of signal or receives.
Further, said cooperation acceptance point is privately owned acceptance point of dominant base or the cooperation acceptance point public with other sub-districts.
Further, said cooperation acceptance point adopts array antenna received data or signal; Said dominant base uses the Array Signal Processing mode that signal or data are handled in base band.
The present invention proposes the cloth net mode and the collaboration method thereof of cooperation acceptance point in the Cellular Networks networking, further provided two kinds of cooperation acceptance point structures.The present invention can carry out uplink coordinated reception (obtaining the diversity gain and the power gain of up reception) to the UE that is in cell edge; Can under the basis that does not change existing website layout covering, improve the up receiving gain of UE that is positioned at cell edge; Obtain bigger uplink throughput; And bring expense can for the X2 mouth, can not take the Radio Resource of adjacent area, thereby can improve the throughput of whole network.
Description of drawings
Fig. 1 is the sketch map of first kind of up multiple spot reception programme;
Fig. 2 is the sketch map of second kind of up multiple spot reception programme;
Fig. 3 is first kind of sketch map of cooperation acceptance point and main eNodeB cooperation;
Fig. 4 is second kind of sketch map of cooperation acceptance point and main eNodeB cooperation;
Fig. 5 is that schematic flow sheet is set up in the sub-district of band cooperation acceptance point;
Fig. 6 is a UE reporting measurement schematic flow sheet;
Fig. 7 is that ascending multi-point collaboration receives schematic flow sheet;
Fig. 8 is each cooperation point transmitting and receiving data flow chart of eNodeB configure trigger.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is done to specify further below in conjunction with accompanying drawing.
For reducing the pressure that data interaction causes for the transmission of X2 mouth between main plot and the cooperation cell, the present invention proposes a kind of new up-link wireless cooperative multipoint transmission architectures of communication networks and corresponding transmission method.
As shown in Figure 1; In first kind of up-link wireless cooperative multipoint transmission architectures of communication networks; This communication network comprises: a plurality of base stations and a plurality of cooperation acceptance point; Wherein, each cooperation acceptance point is worked with public mode between base stations neighboring, the base station that the radio frequency of receive handling or baseband signal are sent to demand.
For example, the cooperation acceptance point adopts the public mode of adjacent eNodeB among Fig. 1, and the cooperation acceptance point between sub-district CELL 0 and the CELL 1 is that two sub-districts institute is public, 6 cooperation acceptance points around the sub-district CELL 0 all be with neighbor cell public cooperation acceptance point.Under public mode, the cooperation acceptance point does not belong to some eNodeB, but a plurality of eNodeB is public.The cooperation acceptance point mails to the eNodeB that needs receiving radio frequency or the baseband signal handled.
As shown in Figure 2; In second kind of up-link wireless cooperative multipoint transmission architectures of communication networks, this communication network comprises: there are its privately owned one or more cooperation acceptance points a plurality of base stations, each base station configuration; Wherein, each cooperation acceptance point only communicates with own affiliated base station.
For example, among Fig. 2, the base station of sub-district CELL 0 and CELL 1 all has the cooperation acceptance point of oneself separately, and its acceptance point is the privately owned cooperation acceptance point in base station, and sub-district CELL 0 has 6 cooperation acceptance points, and sub-district CELL 1 then has 3 cooperation acceptance points.The cooperation acceptance point only communicates with own affiliated eNodeB, can reduce the interference of adjacent area UE to local area UE signal like this.
In above-mentioned two kinds of group-network constructions, the cooperation acceptance point only has the wireless signal of reception function, does not have emission function, so just can not exert an influence to original network topology.The cooperation acceptance point mainly is made up of two parts:
First is the array antenna (also can be other antenna forms) that receives wireless signal;
Second portion is a rf receiver unit.
Based on the cooperation acceptance point of above-mentioned two-part structure, two kinds of implementations can be arranged when specifically realizing.
As shown in Figure 3; In first kind of implementation of cooperation acceptance point; The cooperation acceptance point receives rf data from antenna, and the rf receiver unit of cooperation acceptance point amplifies demodulation with the radiofrequency signal process; Become baseband signal after the processing such as A/D conversion, send baseband signal to main eNodeB then.To cooperate baseband signal that acceptance point transmits of main eNodeB is united the baseband signal that main eNodeB receives and is carried out demodulation process, obtains space diversity gain and power gain.Wherein, Optical Fiber Transmission is adopted in transmission between cooperation acceptance point and the main eNodeB.
As shown in Figure 4, in second kind of implementation of cooperation acceptance point, the cooperation acceptance point receives rf data from antenna, and the rf receiver unit of cooperation acceptance point only amplifies radiofrequency signal to be transmitted, and sends to main eNodeB through radio-frequency line.Main eNodeB disposes the radiofrequency signal processing unit, and the radiofrequency signal processing unit amplifies the radiofrequency signal that is received, and separates mediation A/D and converts baseband signal into.This scheme RF processing unit that the radio frequency processing of acceptance point gives main eNodeB of will cooperating is handled, and has reduced the cost of arranging net.
The reception antenna of above-mentioned cooperation acceptance point is selected array antenna for use, can use the method for Array Signal Processing to reduce the interference of the signal of non-object UE direction in base band.
Use the present invention, under the situation of not using X2 mouth resource, (uply unite reception) and reach the effect of up CoMP, compare traditional up CoMP method, can obtain better power gain like what can not satisfy traditional C oMP in the defeated time delay of X2 oral instructions.During concrete networking, the cooperation acceptance point that can increase each sub-district on based on the basis of R8 LTE protocol networking reaches the effect that promotes single subdistrict and whole network uplink throughput.
In the communication network of the above-mentioned networking mode that comprises a plurality of base stations and a plurality of cooperation acceptance points, the method for a kind of up-link wireless cooperative multipoint transmission of the embodiment of the invention comprises:
Dominant base is set up cooperation relation with the cooperation acceptance point that belongs to this sub-district, and cooperating at needs is subordinated to the cooperation acceptance point of confirming to participate in the cooperation reception in the cooperation acceptance point of this sub-district when receiving;
Participate in cooperation acceptance point that cooperation receives after the Data Receiving triggering signal of dominant base, receive user terminal data in correspondence period of eating dishes without rice or wine, and user terminal data that is received or signal are sent to dominant base;
The data that data that the cooperation acceptance point that dominant base receives according to participating in cooperating sends over or signal receive together with this dominant base are carried out joint-detection demodulation upstream data.
Data that the cooperation acceptance point sends over or signal are radio frequency or baseband signal or the data of handling that receive.The reception antenna of cooperation acceptance point is selected array antenna for use.
The said cooperation acceptance point that belongs to this sub-district comprises acceptance point that this base station is privately owned and/or the cooperation acceptance point public with other sub-districts.
Below in conjunction with Fig. 5 to Fig. 8 the practical implementation step of above-mentioned cooperation transmission is elaborated.
As shown in Figure 5, provided the flow chart that eNode B is configured the cooperation acceptance point.
Usually, the sub-district of band cooperation acceptance point is set up in the process, need be configured the cooperation acceptance point through eNode B when setting up in the sub-district or during the change of cooperation acceptance point.The concrete configuration flow process comprises:
Step 501; Under the environment of arranging net illustrated in figures 1 and 2, send the sub-district to each cooperation acceptance point (comprising acceptance point that this eNodeB is privately owned and the cooperation acceptance point public) that belongs to this sub-district when main eNodeB sets up the sub-district and set up request (the cooperation acceptance point number of this sub-district can adopt manual configuration or self-adaptive detection) with other sub-districts;
Wherein, the solicited message in the request of setting up comprises center of housing estate frequency, system bandwidth and other system information (like the ratio of uplink subframe to downlink subframe of TDD-LTE system etc.) information.
Step 502; The cooperation acceptance point receives after sub-district that eNodeB sends sets up request signal, and whether own each module of detection is normal, after the correct configuration successful of configuration messages; Return an ACK acknowledge message to eNodeB, and guarantee cooperation acceptance point and eNodeB time synchronized; If detect each module operation irregularity or configuration failure, then return a NACK message to eNodeB.
Step 503 after eNodeB receives the ACK message of cooperation acceptance point feedback, is confirmed cooperation acceptance point configuration successful, and the cooperation acceptance point of feeding back ACK is changed to upstate; If eNodeB receives the NACK of cooperation acceptance point feedback, this cooperation acceptance point that then will feed back NACK is changed to unavailable.
Step 504, the eNodeB of band cooperation acceptance point after success is normally set up in the sub-district, operate as normal.
As shown in Figure 6, the flow process that resident UE carries out cooperation transmission in the sub-district comprises:
At first, judge whether the UE reside in this sub-district needs uplink coordinated reception, signal strength signal intensity (like RSRP, RSRQ etc.) that can be through eNodeB configuration UE measurement cell when specifically judging or confirm through the PL value of the UE that measures;
Then, the cell signal strength of measuring as UE is lower than certain thresholding (or the eNodeB PL that measures UE reaches certain thresholding), and UE can reporting measurement event notice eNodeB.
As shown in Figure 7, after eNodeB receives the incident of the needs cooperation reception that UE reports, can send querying command to each acceptance point of cooperating, after each cooperation acceptance point is received querying command the data that receive are fed back to eNodeB;
The signal quality (for example using noise recently to weigh) that this UE that eNodeB measures according to each cooperation acceptance point receives the power of signal or the UE that measures sends judges that should receive cooperation point by which participates in the up reception cooperation of this UE, participates in the cooperation reception of this UE when signal that the cooperation acceptance point receives just can dispose this cooperation acceptance point greater than a certain thresholding the time.
To participating in the cooperation acceptance point transmission Data Receiving triggering signal that the object UE cooperation receives, operation cooperation acceptance point is at the time receiving data of eating dishes without rice or wine of correspondence when the object UE scheduling is accomplished for eNodeB.
The time that eNodeB sends data transfer command may be selected in the subframe of eating dishes without rice or wine that uplink scheduling authorization information is sent.The cooperation receiving station receives and will will receive data in moment corresponding after the order of sending data and send to eNodeB.The moment that the cooperation acceptance point receives data according to the ascending HARQ sequential derive out (it is synchronous HARQ that the LTE ascending HARQ is arranged, from issue uplink scheduling authorization send to up PUSCH have a regular time at interval).ENodeB carries out joint-detection demodulation upstream data with the data that each cooperation data of sending over of acceptance point or signal receive together with our station.
The flow process of each cooperation acceptance point transmitting and receiving data of eNodeB configuration is as shown in Figure 8.At first whether judgement needs the UE formation of cooperation reception to receive; If not; Then traversal needs the UE formation that cooperation receives, and traversal checks whether the cooperation acceptance point of this UE has been changed to transmitting and receiving data, if be not changed to transmitting and receiving data as yet; The acceptance point flag bit set of then should cooperating is disposed its subframe in correspondence and is sent the data that received; Judge whether all cooperation acceptance points of this UE have traveled through, if then whether the echo check UE formation that receives of need cooperating receives, if not, then traversal checks whether the cooperation acceptance point of this UE has been changed to transmitting and receiving data.
The above is merely embodiments of the invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (16)
1. the communication network of a up-link wireless cooperative multipoint transmission comprises: a plurality of base stations and a plurality of cooperation acceptance point, wherein:
Each cooperation acceptance point is worked with public mode between base stations neighboring, the base station that the radio frequency of receive handling or baseband signal are sent to demand.
2. communication network as claimed in claim 1 is characterized in that,
Said cooperation acceptance point comprises antenna and rf receiver unit, and wherein, said rf receiver unit is used for receiving rf data from antenna, amplifies, becomes baseband signal after the demodulation, A/D conversion process, and said baseband signal is sent to the base station.
3. communication network as claimed in claim 2 is characterized in that,
Said base station comprises baseband processing module, is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
4. communication network as claimed in claim 1 is characterized in that,
Said cooperation acceptance point comprises antenna and rf receiver unit, and wherein, said rf receiver unit is used for being transmitted to the base station to receiving rf data from antenna after amplifying.
5. communication network as claimed in claim 4 is characterized in that,
Said base station comprises radiofrequency signal processing unit and baseband processing module,
The radiofrequency signal processing unit is used for that mediation A/D is amplified, separated to the radiofrequency signal that receives from the cooperation acceptance point and converts baseband signal into;
Baseband processing module is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
6. the communication network of a up-link wireless cooperative multipoint transmission, comprising: there are its privately owned one or more cooperation acceptance points a plurality of base stations, each base station configuration, wherein, each cooperation acceptance point only with own under the base station communicate.
7. communication network as claimed in claim 6 is characterized in that,
Said cooperation acceptance point comprises antenna and rf receiver unit, and wherein, said rf receiver unit is used for receiving rf data from antenna, amplifies, becomes baseband signal after the demodulation, A/D conversion process, and said baseband signal is sent to the base station.
8. communication network as claimed in claim 7 is characterized in that,
Said base station comprises baseband processing module, is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
9. communication network as claimed in claim 6 is characterized in that,
Said cooperation acceptance point comprises antenna and rf receiver unit, and wherein, said rf receiver unit is used for being transmitted to the base station to receiving rf data from antenna after amplifying.
10. communication network as claimed in claim 9 is characterized in that,
Said base station comprises radiofrequency signal processing unit and baseband processing module,
The radiofrequency signal processing unit is used for that mediation A/D is amplified, separated to the radiofrequency signal that receives from the cooperation acceptance point and converts baseband signal into;
Baseband processing module is used for the baseband signal that the baseband signal joint base station that the cooperation acceptance point transmits directly receives is carried out demodulation process, obtains space diversity gain and power gain.
11. the method for a up-link wireless cooperative multipoint transmission is applied in the communication network that comprises a plurality of base stations and a plurality of cooperation acceptance points, this method comprises:
Dominant base is set up cooperation relation with the cooperation acceptance point that belongs to this sub-district, when the needs cooperation receives, therefrom confirms to participate in the cooperation acceptance point that cooperation receives;
Participate in cooperation acceptance point that cooperation receives after the Data Receiving triggering signal of dominant base, receive user terminal data in correspondence period of eating dishes without rice or wine, and user terminal data that is received or signal are sent to dominant base;
The data that data that the cooperation acceptance point that dominant base receives according to participating in cooperating sends over or signal receive together with this dominant base are carried out joint-detection demodulation upstream data.
12. method as claimed in claim 11 is characterized in that, said dominant base specifically comprises with the step that the cooperation acceptance point that belongs to this sub-district is set up cooperation relation:
Send the sub-district to each cooperation acceptance point that belongs to this sub-district when dominant base is set up the sub-district and set up request;
Whether after the cooperation acceptance point receives the sub-district request of setting up, it is normal to detect each module, with the affirmation message of returning a configuration successful after the correct configuration successful of configuration messages to dominant base;
The cooperation acceptance point that dominant base will return the affirmation message of configuration successful is changed to available, and then both sides set up cooperation relation and finish.
13. method as claimed in claim 12 is characterized in that, the solicited message in the said foundation request comprises: the ratio of uplink subframe to downlink subframe information of center of housing estate frequency and/or system bandwidth and/or TDD-LTE system.
14. method as claimed in claim 11 is characterized in that, said dominant base confirms that the step of the cooperation acceptance point that the participation cooperation receives specifically comprises:
Dominant base sends querying command to each cooperation acceptance point after receiving the incident that the needs cooperation of user terminal to send up receives;
Each cooperation acceptance point is given dominant base with data that receive or signal feedback after receiving querying command;
The definite cooperation acceptance point of participating in the up reception of this user terminal of user terminal signal quality that this user terminal that dominant base measures according to each cooperation acceptance point receives the power of signal or receives.
15., it is characterized in that said cooperation acceptance point is privately owned acceptance point of dominant base or the cooperation acceptance point public with other sub-districts like claim 11,12, the method described in 13 or 14.
16. like claim 11,12, the method described in 13 or 14, it is characterized in that,
Said cooperation acceptance point adopts array antenna received data or signal; Said dominant base uses the Array Signal Processing mode that signal or data are handled in base band.
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| CN201110009225XA CN102595429A (en) | 2011-01-17 | 2011-01-17 | Uplink wireless cooperative multipoint transmission communication network and transmission method thereof |
| PCT/CN2011/083928 WO2012097656A1 (en) | 2011-01-17 | 2011-12-14 | Communication network and transmission method for uplink wireless cooperative multi-point transmission |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103250396A (en) * | 2012-12-20 | 2013-08-14 | 华为技术有限公司 | A method and a related apparatus for interactive cloud radio access network C-RAN user data in the edge region |
| CN106464315A (en) * | 2014-07-09 | 2017-02-22 | 瑞典爱立信有限公司 | A network node and a method therein for performing CoMP reception of a transmission from a wireless device |
| CN106454886A (en) * | 2015-08-12 | 2017-02-22 | 中国移动通信集团上海有限公司 | Signal transmission method, devices and system thereof |
| CN107222245A (en) * | 2017-05-27 | 2017-09-29 | 武汉理工大学 | It is a kind of to be used for the method for the selection of CoMP transmission node and diverse reception paths selection in millimeter wave mimo wireless communication |
| CN108446437A (en) * | 2018-02-08 | 2018-08-24 | 电子科技大学 | A kind of array antenna broad beam power gain optimization method |
| WO2018218514A1 (en) * | 2017-05-31 | 2018-12-06 | 华为技术有限公司 | Collaborative receiving method for uplink data and network device |
| CN109286452A (en) * | 2017-07-19 | 2019-01-29 | 普天信息技术有限公司 | Reduce the standing-wave ratio detection configuration method and device of radiofrequency signal leakage |
| CN113812208A (en) * | 2019-05-22 | 2021-12-17 | 谷歌有限责任公司 | User equipment coordination set for drop-out mode |
| WO2022056691A1 (en) * | 2020-09-15 | 2022-03-24 | Oppo广东移动通信有限公司 | Joint transmission method, terminal device, target network device, and cooperative network device |
| US11889322B2 (en) | 2019-03-12 | 2024-01-30 | Google Llc | User-equipment coordination set beam sweeping |
| WO2024032202A1 (en) * | 2022-08-12 | 2024-02-15 | 华为技术有限公司 | Coordinated transmission and reception point indication method and apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591721A (en) | 2014-10-24 | 2016-05-18 | 杭州华为数字技术有限公司 | Method for uplink cooperation of cell, and base stations |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101150348A (en) * | 2006-03-28 | 2008-03-26 | 华为技术有限公司 | An outdoor distribution system and its networking method |
| CN101640901A (en) * | 2009-04-29 | 2010-02-03 | 北京邮电大学 | Data merging and receiving method based on uplink coordinated multipoint |
| WO2010025286A2 (en) * | 2008-08-28 | 2010-03-04 | Qualcomm Incorporated | DISTRIBUTED DOWNLINK COORDINATED MULTI-POINT (CoMP) FRAMEWORK |
| CN101877890A (en) * | 2009-04-28 | 2010-11-03 | 大唐移动通信设备有限公司 | Method, system and device for determining joining CoMP transmission cell and transmission data |
| CN101938300A (en) * | 2009-06-30 | 2011-01-05 | 中兴通讯股份有限公司 | Multi-point coordination-based data transmission method and device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101815331B (en) * | 2009-02-25 | 2014-11-05 | 中兴通讯股份有限公司 | Cooperative cell selection method participating cooperative transmission, service base station and communication system |
| CN101931993B (en) * | 2009-06-22 | 2014-09-03 | 华为技术有限公司 | Cell selection method, auxiliary cell selection method, device and communication system |
-
2011
- 2011-01-17 CN CN201110009225XA patent/CN102595429A/en active Pending
- 2011-12-14 WO PCT/CN2011/083928 patent/WO2012097656A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101150348A (en) * | 2006-03-28 | 2008-03-26 | 华为技术有限公司 | An outdoor distribution system and its networking method |
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