CN103117789A - Method and device for macro diversity reception - Google Patents
Method and device for macro diversity reception Download PDFInfo
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- CN103117789A CN103117789A CN2011103638862A CN201110363886A CN103117789A CN 103117789 A CN103117789 A CN 103117789A CN 2011103638862 A CN2011103638862 A CN 2011103638862A CN 201110363886 A CN201110363886 A CN 201110363886A CN 103117789 A CN103117789 A CN 103117789A
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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
- H04B7/022—Site diversity; Macro-diversity
Abstract
The invention discloses a method and a device for macro diversity reception. The method for the macro diversity reception includes that signals of a same mobile terminal (MT) is searched in a plurality of same-frequency communities by a base station; and the base station demodulates the MT signals searched in the plurality of same-frequency communities, and combines the demodulated results. According to the method and the device for the macro diversity reception, due to the fact that the base station automatically searches the signals of the same-frequency adjacent communities, and performs the combination of macro diversity, the base station is enabled to obtain macro diversity gain even on the condition that a terminal is not switched, and therefore the performance of a system is improved, and user experience is promoted.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of macro-diversity reception method and device.
Background technology
at present, the wireless communication system of extensive use comprises: global mobile communication (Global system for Mobile Communication, referred to as GSM), Wideband Code Division Multiple Access (WCDMA) access (Wideband Code Division Multiple Access, referred to as WCDMA), code division multiple access access 2000 (Code Division Multiple Access, referred to as CDMA2000), TD SDMA access (Time Division-Synchronous Code Division Multiple Access, referred to as TD-SCDMA), micro-wave access to global intercommunication (Worldwide Interoperability for Microwave Access, referred to as Wimax), long evolving system (Long-Term Evolution, referred to as LTE) etc.In the framework of above-mentioned wireless communication system, the network coverage is comprised of the residential quarter (Cell) of a lot of covering zoness of different.Whether mobile terminal need to carry out the residential quarter and switch when moving between cells, according to agreement, need switching to measure each cell downlink signal quality by mobile terminal and decide, if need to switch, initiates hand off signaling by radio network controller.In soft handover and More Soft Handoff process, mobile terminal can be simultaneously and a plurality of residential quarter keep in communication, set up a wireless links by radio network controller initiation signaling in each residential quarter.Mobile terminal is in a plurality of residential quarters soft handover or More Soft Handoff process, its upward signal can receive merging jointly by a plurality of residential quarters, obtain the macro diversity of a plurality of residential quarters, but prerequisite is radio network controller wants informing base station to set up multi wireless links, and the signaling procedure of this switching needs that also the regular hour process is arranged.
Switching but in also not completing the process of hand off signaling, macro diversity can't obtain.In the situation that also do not reach handoff threshold but near handoff threshold, the macro diversity that originally can carry out also could not obtain, this mobile terminal also can produce bad interference to other residential quarter.
Along with demand is more and more stronger better faster to wireless communication system, wireless communication system uses rhythm also faster to the scheduling of Radio Resource, and relatively slowly complicated hand off signaling flow process has been difficult to catch up with allegro communication process.Such as in WCDMA, the 3GPP protocol definition up Cell Fach strengthen function, adopted shared enhancement type special channel (Common E-Dch).This channel timesharing shares to the mobile terminal that each needs communication.Usually the burst transfers of data of short time can be used this channel, and the transmitting procedure terminal transmit power is larger, and the duration is shorter.Because the duration is short, be difficult to this shared channel design handoff procedure, can not get switching macro diversity, the transmitting power of this burst service needs itself is also larger in addition, and this has also caused larger interference to other adjacent area.
When obtaining macro diversity in correlation technique, require stricter switching time in long and handoff procedure, causes receiving the problem of macro diversity, not yet proposes at present effective solution.
Summary of the invention
When obtaining macro diversity in correlation technique, require stricter switching time in long and handoff procedure, cause receiving the problem of macro diversity, main purpose of the present invention is to provide a kind of macro-diversity reception method and device, to address the above problem at least.
According to an aspect of the present invention, provide a kind of macro-diversity reception method, having comprised: the signal of same mobile terminal is searched in the base station in a plurality of co-frequency cells; The signal of this mobile terminal that the base station demodulation searches in a plurality of co-frequency cells also merges above-mentioned demodulation result.
Preferably, above-mentioned a plurality of co-frequency cell comprises: the main plot at mobile terminal place and the co-frequency cell adjacent with this main plot.
Preferably, the base station adopts the maximum ratio act of union to merge demodulation result.
Preferably, the signal of this mobile terminal that the base station demodulation searches in a plurality of co-frequency cells and merge above-mentioned demodulation result after, also comprise: the demodulation result after merging is carried out channel decoding.
Preferably, the base station signal of searching for same mobile terminal in a plurality of co-frequency cells comprises: the base station is the signal of the same mobile terminal of search in a plurality of co-frequency cells periodically.
Preferably, above-mentioned macro-diversity reception method is applied to cell mobile communication systems.
According to a further aspect in the invention, provide a kind of grand diversity receiving device, having comprised: search module is used for the signal at the same mobile terminal of a plurality of co-frequency cell search; Demodulation merges module, is used for the signal of the mobile terminal that demodulation searches at a plurality of co-frequency cells and merges demodulation result.
Preferably, search module also comprises: the first search submodule is used for the signal at the primary cell search mobile terminal at mobile terminal place; The second search submodule is used for the signal at the co-frequency cell search mobile terminal adjacent with the main plot.
Preferably, demodulation merges module employing maximum ratio act of union and merges demodulation result.
Preferably, above-mentioned grand diversity receiving device also comprises: the channel decoding module, the demodulation result after being used for merging is carried out channel decoding.
By the present invention, the signal of same mobile terminal is searched in employing in a plurality of co-frequency cells, and the signal that searches is separated the method that merges that is in harmonious proportion, solved when obtaining macro diversity in correlation technique, require stricter switching time in long and handoff procedure, causes receiving the problem of macro diversity, and then in the situation that switching is not arranged, also can receive easily macro diversity, promote systematic function, improve user's experience.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the macro-diversity reception method of the embodiment of the present invention;
Fig. 2 is the flow chart according to the macro-diversity reception method of the preferred embodiment of the present invention one;
Fig. 3 is the schematic diagram according to the grand diversity reception scene of the preferred embodiment of the present invention two;
Fig. 4 is the structured flowchart one according to the grand diversity receiving device of the embodiment of the present invention;
Fig. 5 is the structured flowchart two according to the grand diversity receiving device of the embodiment of the present invention;
Fig. 6 is the schematic diagram according to the grand diversity receiving device of the preferred embodiment of the present invention three.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
When obtaining macro diversity in correlation technique, require stricter switching time in long and handoff procedure, causes receiving the problem of macro diversity, and the embodiment of the present invention provides a kind of macro-diversity reception method.Fig. 1 is the flow chart according to the macro-diversity reception method of the embodiment of the present invention.As shown in Figure 1, this macro-diversity reception method comprises:
Step S102, the signal of same mobile terminal is searched in the base station in a plurality of co-frequency cells;
Step S104, the signal of the mobile terminal that the base station demodulation searches in a plurality of co-frequency cells also merges above-mentioned demodulation result.
Pass through above-described embodiment, the signal of same mobile terminal is searched in employing in a plurality of co-frequency cells, and the signal that searches is separated the method that merges that is in harmonious proportion, solved when obtaining macro diversity in correlation technique, require stricter switching time in long and handoff procedure, causes receiving the problem of macro diversity, and then in the situation that do not switch, also can receive easily macro diversity, promote systematic function, improve user's experience.
Wherein, above-mentioned a plurality of co-frequency cell comprises: the main plot at mobile terminal place and the co-frequency cell adjacent with this main plot.In implementation process, for arbitrary mobile terminal that is in communications status in the base station, the base station can this mobile terminal of active searching the signal of this terminal UE on the antenna of residing main plot each co-frequency cell adjacent with this main plot.Even in the situation that do not switch, signal search also can initiatively be carried out in the base station, and utilize the signal acquisition macro diversity that searches.Improved the performance of system.
In step S104, the base station can adopt the maximum ratio act of union to merge demodulation result.The maximum ratio act of union is can obtain the method for more excellent grand gain in implementation process, by the merging of using maximum ratio to close, can obtain better to merge gain.
After step S104, can also comprise following processing: the demodulation result after merging is carried out channel decoding.Just channel was merged before channel decoding, can better obtain macro diversity.
Preferably, step S102 can also do following processing, comprising: the base station is the signal of the same mobile terminal of search in a plurality of co-frequency cells periodically.In implementation process, the base station can be to search signal in a plurality of co-frequency cells, may not search this signal when searching for for the first time, carry out in the process of periodically search, can make up the defective that does not search for the first time this signal, can again utilize the signal that does not in the past search, by periodic search, can obtain with good macro diversity.
Preferably, above-mentioned macro-diversity reception method is applied to cell mobile communication systems.
Preferred embodiment one
For the interference problem of the relatively poor and mobile terminal of wireless communication system small area edge performance to other adjacent cell, the embodiment of the present invention provides a kind of up autonomous macro-diversity reception method, as shown in Figure 2.Fig. 2 is the flow chart according to the macro-diversity reception method of the preferred embodiment of the present invention one.Comprise following processing:
Step S202, the signal search of all homogeneous frequency adjacent areas is initiatively carried out to the terminal UE in communication in the base station.For being in arbitrary terminal (for example terminal UE 1) of communications status in arbitrary residential quarter in the A of base station (for example residential quarter C1), the base station is initiatively periodically searched for this base station A and (for example: C2 is neutralized this residential quarter C1 adjacent same frequency each residential quarter, C3, ..., the signal of this terminal UE 1 on antenna Cn).
Step S204, the base station searches the residential quarter of signal to all of each terminal UE, carries out demodulation and merges, and obtains macro diversity.If in certain adjacent co-frequency cell of this residential quarter (C1) (Ci for example, i=2,3, ..., search out the signal of this terminal UE 1 on n), demodulation is carried out in the signal of the upper terminal UE 1 of residential quarter Ci, and merge with restituted signal in the C1 of residential quarter, obtain macro diversity.If search the signal less than terminal UE 1 on certain adjacent co-frequency cell Ci, need not carry out demodulation to terminal UE 1 to residential quarter Ci.
This enforcement is without the slow complicated hand off signaling flow process of base station controller, the mobile terminal upward signal that is in communications status of a plurality of adjacent cells of base station image processor, if search out signal simultaneously in a plurality of residential quarters, just the signal of these residential quarters carried out the demodulation merging, obtain diversity gain, thereby the reduction mobile terminal emitting power reduces the interference between the residential quarter.
Preferred embodiment two
Fig. 3 is the schematic diagram according to the grand diversity reception scene of the preferred embodiment of the present invention two.
In same base station, a plurality of co-frequency cells adjacent areas is each other arranged usually, as shown in Figure 3, in figure, base station A has three co-frequency cell C1, C2, C3.If user terminal can obtain switching the macro diversity of residential quarter, place in these neighboring interval More Soft Handoffs.Yet grand in actual implementation process, although the signal of many terminals can arrive a plurality of antenna in cell simultaneously, not all these terminals can obtain the macro diversity of above-mentioned all residential quarters.Represent that with thick line the signal between UE and antenna in cell is stronger in Fig. 3, and set up the Radio Link of this UE between this residential quarter by the base station controller informing base station, fine rule represents that this UE has signal to arrive this residential quarter, but does not set up Radio Link.
As shown in Figure 3, base station A has 3 co-frequency cell C1, C2, C3, and UE1 is in the More Soft Handoff state of C1 and C2, its signal also can be arrived by the antenna reception of residential quarter C3, but according to conventional art, do not set up the Radio Link of UE1 on C3, carry out diversity reception with regard to not removing to utilize the signal on C3.UE2 is in the C2 residential quarter, do not carry out More Soft Handoff, but the signal of UE2 can arrive residential quarter C3, does not also obtain the macro diversity of C3 by conventional art.In figure, the signal of UE3 only detects on the C3 of residential quarter.Therefore can't obtain macro diversity
In the process that the present embodiment is implemented, the first step, the signal search of all homogeneous frequency adjacent areas is initiatively carried out to the terminal UE in communication in the base station.For example in Fig. 3, to UE1, UE2, UE3, all simultaneously at C1, C2 carries out signal search on C3, and wherein, this search can be periodically to carry out.Second step searches the residential quarter of signal to all of each terminal UE, carries out demodulation and merges, and obtains macro diversity.For example in Fig. 3, for UE1, all can search signal on all residential quarters, the signal of all residential quarters carried out demodulation and merged; For UE2, can receive signal on residential quarter C2 and residential quarter C3, can not receive signal on the C1 of residential quarter, only C2 and C3 cell signal are carried out the demodulation merging, obtain macro diversity.For UE3, only receive signal at residential quarter C3, the signal on a demodulation C3.Then, if adopt the method for the present embodiment, to all UE, no matter whether it is in the More Soft Handoff state, can be on all antenna in cell search signal, obtain diversity gain.Thereby promoted systematic function.
Fig. 4 is the structured flowchart one according to the grand diversity receiving device of the embodiment of the present invention.As shown in Figure 4, this grand diversity receiving device comprises: search module 10 is used for the signal at the same mobile terminal of a plurality of co-frequency cell search; Demodulation merges module 20, is used for the signal of the mobile terminal that demodulation searches at a plurality of co-frequency cells and merges demodulation result.Search module 10 conciliates blending and module 20 connects.
Preferably, above-mentioned grand diversity receiving device also comprises: channel decoding module 30, and merge module 20 with demodulation and be connected, the demodulation result after being used for merging is carried out channel decoding.
As shown in Figure 5, preferably, search module 10 also comprises: the first search submodule 102 is used for the signal at the primary cell search mobile terminal at mobile terminal place; The second search submodule 104 is connected with the first search submodule 102, is used for the signal at the co-frequency cell search mobile terminal adjacent with the main plot.
Preferably, demodulation merging module can adopt the maximum ratio act of union to merge demodulation result.
Preferred embodiment three
As shown in Figure 6, be schematic diagram according to the grand diversity receiving device of the preferred embodiment of the present invention three.As shown in Figure 6, this device comprises: main plot signal search module 40, neighbor cell signal search module 50 and demodulation merge module 60.This device has a main plot signal search module 40, a plurality of neighbor cell signal search modules 50.For example terminal UE can search 4 adjacent co-frequency cells and have its signal, distributes four neighbor cell signal search modules.Demodulation merges module 60 and is used for the signal that searches is carried out demodulation, and merges the signal after demodulation.The signal that the output demodulation is merged module 60 carries out channel decoding, to obtain stronger macro diversity.
In implementation process, for the UE in communication, no matter whether be in the More Soft Handoff state, main plot signal search module 40 is carried out signal search in the main plot, and in neighbor cell signal search module 50 pairs of base stations, other all neighbor cells carry out cyclical signal search initiatively.For the residential quarter that searches signal, demodulation merges module 60 pairs of these residential quarters and carries out the signal demodulation, and and other residential quarter demodulation result merge, and amalgamation result is sent to subsequent module carries out channel decoding.This method can merge before channel decoding, can obtain macro diversity preferably.
This preferred embodiment with WCDMA as preferred implementation process.In conjunction with Fig. 2, Fig. 3, Fig. 6, the above-mentioned flow process that is applied to the embodiment of grand diversity receiving device is described.
In the base station of a WCDMA, usually configured a plurality of co-frequency cells, with diverse location with towards the different zone of antenna cover, these residential quarters are also normally adjacent.When the user sets up communication, set up Radio Link in a residential quarter preferably at signal quality for general, according to existing technology, the baseband in the base station only can be carried out to the antenna assignment signal search module resource of this residential quarter the input search.Input search in the WCDMA system is exactly the frame head position of this user multipaths signal of search on antenna data, or is called for short Multipath searching, and frame synchronization is the basis that signal receives.
In actual implementation process, this user's signal is arranged probably also on other homogeneous-frequency adjacent-domains.For example the UE2 in Fig. 1, only set up Radio Link on the C2 of residential quarter, and existing method is only carried out Multipath searching on the antenna of residential quarter C2.In the present embodiment, although base station controller has only been set up the Radio Link of a residential quarter to UE2, the Radio Link of namely setting up with residential quarter C2, also can search for by main plot signal search module 40, neighbor cell signal search module 50, one meets 3 search modules of distribution together, namely a main plot signal search module 40 and two neighbor cell signal search modules 50, carry out Multipath searching simultaneously to residential quarter C1, C2, C3.Can receive that on residential quarter C1 and residential quarter C3 the multipath signal of UE2 obtains frame synchronization, can not receive the signal of UE2 on the C1 of residential quarter.Demodulation merges module 60 and according to Search Results, the signal of residential quarter C2 and the upper UE2 of C3 is all carried out demodulation, and merges.Signal merging herein can be adopted maximum ratio merging method, adopts the method can obtain to merge preferably gain.The follow-up channel decoding of can carrying out of signal after merging is processed.UE1 for example, even be in two residential quarter switching states, the device and method that utilizes the present embodiment to provide also can additionally search signal on the C3 of residential quarter and carry out demodulation and merge, and obtains additional gain.
As can be seen from the above description, the present invention has realized following technique effect:
No matter whether be in the scene of switching, can be by the signal of image processor these subscriber channels in base station at neighbor cell, just utilize these signals to carry out grand diversity merging if can search signal, solved when obtaining macro diversity in correlation technique, require stricter switching time in long and handoff procedure, cause receiving the problem of macro diversity, improves the receptivity of these subscriber channels, thereby reduce the required transmitting power of mobile terminal, reduce the interference between the residential quarter.And then in the situation that not switching also can receive macro diversity easily, promoted systematic function, improved user's experience.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a macro-diversity reception method, is characterized in that, comprising:
The signal of same mobile terminal is searched in the base station in a plurality of co-frequency cells;
The signal of the described mobile terminal that the demodulation of described base station searches in described a plurality of co-frequency cells also merges described demodulation result.
2. method according to claim 1, is characterized in that, described a plurality of co-frequency cells comprise: the main plot at described mobile terminal place and the co-frequency cell adjacent with described main plot.
3. method according to claim 1 and 2, is characterized in that, described base station adopts the maximum ratio act of union to merge described demodulation result.
4. method according to claim 3, it is characterized in that, the signal of the described mobile terminal that the demodulation of described base station searches in described a plurality of co-frequency cells and merge described demodulation result after, also comprise: the described demodulation result after merging is carried out channel decoding.
5. method according to claim 4, is characterized in that, same mobile terminal is searched in the base station in a plurality of co-frequency cells signal comprises:
Described base station is the signal of the same mobile terminal of search in described a plurality of co-frequency cells periodically.
6. method according to claim 1, is characterized in that, described macro-diversity reception method is applied to cell mobile communication systems.
7. a grand diversity receiving device, is characterized in that, comprising:
Search module is used for the signal at the same mobile terminal of a plurality of co-frequency cell search;
Demodulation merges module, is used for the signal of the described mobile terminal that demodulation searches at described a plurality of co-frequency cells and merges described demodulation result.
8. device according to claim 7, is characterized in that, described search module also comprises:
The first search submodule is used for the signal at the described mobile terminal of primary cell search at described mobile terminal place;
The second search submodule is used for the signal at the co-frequency cell search described mobile terminal adjacent with described main plot.
9. according to claim 7 or 8 described devices, is characterized in that, described demodulation merges module and adopts the maximum ratio act of union to merge described demodulation result.
10. device according to claim 9, is characterized in that, also comprises:
The channel decoding module, the described demodulation result after being used for merging is carried out channel decoding.
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| CN2011103638862A CN103117789A (en) | 2011-11-16 | 2011-11-16 | Method and device for macro diversity reception |
| PCT/CN2011/083395 WO2013071660A1 (en) | 2011-11-16 | 2011-12-02 | Method and apparatus for macro diversity reception |
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| CN2011103638862A CN103117789A (en) | 2011-11-16 | 2011-11-16 | Method and device for macro diversity reception |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941714A (en) * | 2016-01-05 | 2017-07-11 | 中兴通讯股份有限公司 | Poewr control method, device and base station |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355624A (en) * | 2000-11-23 | 2002-06-26 | 华为技术有限公司 | Macrodiversity method in CDMA communication system |
| CN1435958A (en) * | 2002-01-29 | 2003-08-13 | 三星电子株式会社 | OFDM diversity receiver and method for receiving OFDM signal |
| CN1503585A (en) * | 2002-11-26 | 2004-06-09 | 西门子（中国）有限公司 | Intelligent antenna telecommunication system and method for mobile wireless telecommunication |
| CN101001332A (en) * | 2006-01-13 | 2007-07-18 | 联发科技股份有限公司 | Flexible diversity combine receiver architecture for digital television and associated method thereof |
| CN101060357A (en) * | 2007-06-07 | 2007-10-24 | 上海交通大学 | Single frequency network signal line style coverage method for rail traffic |
| US20080298336A1 (en) * | 2007-05-31 | 2008-12-04 | Sridhar Gollamudi | macro-diversity technique for multicast transmission in a wireless communication system |
| CN102013910A (en) * | 2010-11-17 | 2011-04-13 | 中国人民解放军理工大学 | Short-wave multi-antenna signal enhancement receiving method |
| US20110195682A1 (en) * | 2006-08-25 | 2011-08-11 | Infineon Technologies Ag | Diversity receiver |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100556190C (en) * | 2006-06-07 | 2009-10-28 | 华为技术有限公司 | The method of soft handover in a kind of cdma system |
| WO2007145640A1 (en) * | 2006-06-16 | 2007-12-21 | Beceem Communications Inc | Time domain interference averaging with multiuser diversity in ofdma systems |
-
2011
- 2011-11-16 CN CN2011103638862A patent/CN103117789A/en active Pending
- 2011-12-02 WO PCT/CN2011/083395 patent/WO2013071660A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1355624A (en) * | 2000-11-23 | 2002-06-26 | 华为技术有限公司 | Macrodiversity method in CDMA communication system |
| CN1435958A (en) * | 2002-01-29 | 2003-08-13 | 三星电子株式会社 | OFDM diversity receiver and method for receiving OFDM signal |
| CN1503585A (en) * | 2002-11-26 | 2004-06-09 | 西门子（中国）有限公司 | Intelligent antenna telecommunication system and method for mobile wireless telecommunication |
| CN101001332A (en) * | 2006-01-13 | 2007-07-18 | 联发科技股份有限公司 | Flexible diversity combine receiver architecture for digital television and associated method thereof |
| US20110195682A1 (en) * | 2006-08-25 | 2011-08-11 | Infineon Technologies Ag | Diversity receiver |
| US20080298336A1 (en) * | 2007-05-31 | 2008-12-04 | Sridhar Gollamudi | macro-diversity technique for multicast transmission in a wireless communication system |
| CN101060357A (en) * | 2007-06-07 | 2007-10-24 | 上海交通大学 | Single frequency network signal line style coverage method for rail traffic |
| CN102013910A (en) * | 2010-11-17 | 2011-04-13 | 中国人民解放军理工大学 | Short-wave multi-antenna signal enhancement receiving method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941714A (en) * | 2016-01-05 | 2017-07-11 | 中兴通讯股份有限公司 | Poewr control method, device and base station |
| CN106941714B (en) * | 2016-01-05 | 2021-05-04 | 中兴通讯股份有限公司 | Power control method, device and base station |
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| WO2013071660A1 (en) | 2013-05-23 |
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