CN104105123A - Macro base station and low power base station cooperation communication method and system - Google Patents
Macro base station and low power base station cooperation communication method and system Download PDFInfo
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- CN104105123A CN104105123A CN201310112975.9A CN201310112975A CN104105123A CN 104105123 A CN104105123 A CN 104105123A CN 201310112975 A CN201310112975 A CN 201310112975A CN 104105123 A CN104105123 A CN 104105123A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000001174 ascending effect Effects 0.000 claims description 75
- 238000005259 measurement Methods 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 9
- 239000013307 optical fiber Substances 0.000 description 5
- 230000006855 networking Effects 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a macro base station and low power base station cooperation communication method and system; the method comprises the following steps: the macro base station and the lower power base station respectively measure an uplink power of a terminal; the macro base station determines whether the terminal is in an unbalanced zone or not according to the uplink power measured by the macro base station and the low power base station; when the terminal is in the unbalanced zone, the low power base station receives an uplink signal sent by the terminal, and the macro base station sends a downlink signal to the terminal; the unbalanced zone refers to a portion between the macro base station and the low power base station, and is obtained by using an uplink covering zone of the low power base station to minus a downlink covering zone. The method and system can solve the mutual interference problems in deployment of the macro base station and the low power base station.
Description
Technical field
The present invention relates to the communications field, particularly the associated treatment between Wideband Code Division Multiple Access (WCDMA) WCDMA macro base station and WCDMA low power base station.
Background technology
Mobile broadband service development is in recent years swift and violent, the data service blowout formula application of various 3GPP standard intelligent terminals (mobile phone, data card, iPad etc.) directly causes hot zones data traffic to present explosive growth trend, only strengthen traditional macrocell performance and be difficult to deal with problems completely, need on former traditional macro base station network foundation, provide new Networking Solutions & provisioned.Mobile communications industry is reached highly common recognition, adopts the method for for example disposing, with low power base station (Micro, Pico or Metro base station) frequently in macrocell to solve burgeoning data traffic demand.
These low power base station may be applied in focus or hot-zone covers, and dispose low power base station and can cause following problem to occur:
1, the power output due to macro base station and low power base station differs greatly, and uplink receiving power difference little, cause up covering border and descending covering borderline phase distance between macro base station and low power base station larger, have the uneven district of so-called larger up-downgoing, as shown in Figure 1.The existence in this uneven district can cause the user in uneven district to bring very large interference to low power base station, when user load in the descending coverage of low power base station is not high, can also tolerate, but when the user uplink loading demand in the descending coverage of low power base station is higher, can be subject to the uplink interference from uneven district terminal UE, and low power base station cannot be controlled uneven district UE, cause the descending area of coverage user of low power base station to be subject to uneven district user's severe jamming and to affect service feature.
2, in the descending switch area between macro base station and low power base station, owing to for Serving cell being the high-speed downlink packet access HSDPA user of macrocell, uplink power control is limited by the control of low power base station, therefore HSDPA user's HS-DPCCH uplink feedback channel power is lower, cause HS-DPCCH to comprise channel quality CQI, HARQ ACK/NACK replys decoding error, thereby HS-PDSCH is retransmitted for several times, causes these users' the descending degradation of HSDPA.
Summary of the invention
The object of the present invention is to provide the method and system of a kind of macro base station and low power base station communication for coordination, can solve better the mutual interference problem in macro base station and low power base station deployment.
According to an aspect of the present invention, provide a kind of method of macro base station and low power base station communication for coordination, having comprised:
Macro base station and low power base station be the ascending power of measuring terminals respectively;
Macro base station, according to the ascending power of the ascending power of its measurement and low power base station measurement, determines whether terminal is positioned at uneven district;
When terminal is positioned at uneven district, low power base station receives the upward signal of self terminal, and macro base station sends downstream signal to terminal;
Wherein, described uneven district is that the up overlay area of low power base station between macro base station and low power base station is more than the part of descending overlay area.
Preferably, the ascending power of low power base station measuring terminals, and report thresholding to compare described ascending power and power, when described ascending power is greater than described power and reports thresholding, low power base station is sent to macro base station by the ascending power of described terminal.
Preferably, before the ascending power of low power base station measuring terminals, also comprise:
Macro base station is sent to low power base station by the characteristic information of all activated terminals in its overlay area, so that low power base station, according to described characteristic information, is measured the ascending power of corresponding terminal.
Preferably, described macro base station determine terminal whether the step in the uneven district between macro base station and low power base station comprise:
The ascending power that macro base station is measured low power base station deducts the ascending power that macro base station is measured, and obtains the ascending power difference of terminal;
More described ascending power difference and border difference power threshold value;
When described measurement power difference is greater than zero and while being less than described border difference power threshold value, macro base station determines that terminal is positioned at uneven district.
Preferably, also comprise:
Macro base station determines that terminal is positioned at behind uneven district, and macro base station sends for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel, so that macro base station and low power base station communication for coordination to low power base station.
Preferably, low power base station is received by uplink physical channel after the upward signal of self terminal, and described upward signal is forwarded to macro base station, so that macro base station is according to described upward signal, dispatch corresponding downstream signal, and be sent to terminal by down physical channel.
Preferably, low power base station and macro base station belong to same community or belong to respectively with different districts frequently.
According to a further aspect in the invention, provide the system of a kind of macro base station and low power base station communication for coordination, having comprised:
Low power base station, for the ascending power of measuring terminals, and when the up overlay area of the low power base station of terminal between macro base station and low power base station is during more than the uneven district of descending overlay area, the upward signal that low power base station receiving terminal sends;
Macro base station, for the ascending power of measuring terminals, and according to the ascending power of the ascending power of its measurement and low power base station measurement, determines whether terminal is positioned at uneven district, and when definite terminal is positioned at uneven district, macro base station sends downstream signal to terminal.
Preferably, low power base station reports thresholding for ascending power and the power of relatively its measurement, and when described ascending power is greater than described power and reports thresholding, the ascending power of described terminal is sent to macro base station.
Preferably, macro base station deducts for the ascending power that low power base station is measured the ascending power that macro base station is measured, obtain the ascending power difference of terminal, and more described ascending power power difference and border difference power threshold value, when described ascending power difference is greater than zero and while being less than described border difference power threshold value, determine that terminal is positioned at uneven district, and send for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel, so that macro base station and low power base station communication for coordination to low power base station.
Compared with prior art, beneficial effect of the present invention is:
The present invention can solve the mutual interference problem in macro base station and low power base station deployment.
Accompanying drawing explanation
Fig. 1 is the macro base station that provides of prior art and upper row bound and the descending boundary schematic diagram figure of low power base station;
Fig. 2 is the macro base station that provides of the embodiment of the present invention and the flow chart of low power base station communication for coordination;
Fig. 3 is that macro base station and the low power base station that the embodiment of the present invention provides disposed networking diagram;
To be that the macro base station that provides of the embodiment of the present invention and low power base station are collaborative judge that UE is whether at the flow chart in uneven district to Fig. 4;
Fig. 5 is that the macro base station that provides of the embodiment of the present invention and low power base station are for uneven district R99 user's communication for coordination schematic diagram;
Fig. 6 is that the macro base station that provides of the embodiment of the present invention and low power base station are for uneven district HSDPA user's communication for coordination schematic diagram;
Fig. 7 is that the macro base station that provides of the embodiment of the present invention and low power base station are for uneven district HSUPA user's communication for coordination schematic diagram;
Fig. 8 be under the macro base station that provides of the embodiment of the present invention and low power base station individual cell deployment scenario with the communication for coordination graph of a relation of each region UE;
Fig. 9 is the macro base station that provides of the embodiment of the present invention and the up-downgoing physical channel mapping relations figure of deployment scenario Xia Liangge community, low power base station individual cell and macro base station and low power base station;
Figure 10 is that the macro base station that provides of the embodiment of the present invention and low power base station merge in cell deployment situation the communication for coordination graph of a relation with each region UE;
Figure 11 is the up-downgoing physical channel mapping relations figure that the macro base station that provides of the embodiment of the present invention and low power base station merge community and macro base station and low power base station in cell deployment situation.
Embodiment
Below in conjunction with accompanying drawing, to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment, only for description and interpretation the present invention, is not intended to limit the present invention.
The present invention is connected macro base station to carry out with low power base station communication by optical fiber or high-speed microwave etc., by the uplink physical channel of the same wireless link interference problem that solve macro base station and low power base station uneven district UE separated with down physical channel.Specifically, base station is measured and is judged that whether UE is in uneven region based on upward signal.The down physical channel of the wireless link that user in uneven region sets up and uplink physical channel are realized separated in macro base station and low power base station.Down physical channel DPCH for the R99 user's in certain uneven region wireless link is present in macro base station, and uplink physical channel DPDCH/DPCCH is present in low power base station; Down physical channel HS-PDSCH/HS-SCCH for the HSDPA user's in certain uneven region wireless link is present in macro base station, and uplink physical channel HS-DPCCH is present in low power base station; Down physical channel E-AGCH/E-RGCH/E-HICH for the HSUPA user's in certain uneven region wireless link is present in macro base station, and uplink physical channel E-DPDCH/E-DPCCH is present in low power base station.Especially, in the present invention, macro base station and low power base station are respectively individual cell or merge into Yi Ge community and be all suitable for.
Fig. 2 is the macro base station that provides of the embodiment of the present invention and the flow chart of low power base station communication for coordination, and as shown in Figure 2, step comprises:
Step 201, macro base station and low power base station be the ascending power of measuring terminals respectively.
In described step 201, macro base station is sent to low power base station by the characteristic information of all activated terminals in its overlay area, low power base station is according to described characteristic information, measure the ascending power of corresponding terminal, and report thresholding to compare described ascending power and power, when described ascending power is greater than described power and reports thresholding, low power base station is sent to macro base station by the ascending power of described terminal.
Step 202, macro base station, according to the ascending power of the ascending power of its measurement and low power base station measurement, determine whether terminal is positioned at uneven district.
Particularly, the ascending power that macro base station is measured low power base station deducts the ascending power that macro base station is measured, obtain the ascending power difference of terminal, more described ascending power difference and border difference power threshold value, when described ascending power difference is greater than zero and while being less than described border difference power threshold value, macro base station determines that terminal is positioned at uneven district.
Step 203, when terminal is positioned at uneven district, the upward signal that low power base station receiving terminal sends, macro base station sends downstream signal to terminal.
In described step 203, macro base station determines that terminal is positioned at behind uneven district, macro base station sends for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel to low power base station, make low power base station by uplink physical channel, receive the upward signal of self terminal, described upward signal is forwarded to macro base station, so that macro base station, according to described upward signal, is dispatched corresponding downstream signal, and is sent to terminal by down physical channel.
Further, described uneven district is that the up overlay area of low power base station between macro base station and low power base station is more than the part of descending overlay area.
Further, low power base station and macro base station belong to same community or belong to respectively with different districts frequently.
Described low power base station both may comprise baseband processing unit BBU and low-power radio frequency extension unit RRU, also may only there is low-power radio frequency extension unit RRU, do not comprise baseband processing unit BBU, described macro base station can, by being connected with described low-power BBU, also can be connected with described low-power RRU.
Fig. 3 is that macro base station and the low power base station that the embodiment of the present invention provides disposed networking diagram, as shown in Figure 3, one or more low power base station are deployed in macro base station cell coverage area, and low power base station for example, for example, is carried out networking by wire transmission mode (optical fiber) or wireless transmission method (high-speed microwave) with macro base station and is connected.Wherein:
Low power base station is for the ascending power of measuring terminals, relatively ascending power and the power of its measurement report thresholding, and when described ascending power is greater than described power and reports thresholding, the ascending power of described terminal is sent to macro base station, in addition, when macro base station is determined the up overlay area of the low power base station of terminal between macro base station and low power base station more than the uneven district of descending overlay area, the upward signal that low power base station receiving terminal sends;
Macro base station, ascending power for measuring terminals, the ascending power that low power base station is measured deducts the ascending power that macro base station is measured, obtain the ascending power difference of terminal, more described ascending power difference and border difference power threshold value, when described ascending power difference is greater than zero and while being less than described border difference power threshold value, determine that terminal is positioned at uneven district, now, to low power base station, send for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel, then to terminal, send downstream signal.
To be that the macro base station that provides of the embodiment of the present invention and low power base station are collaborative judge that UE is whether at the flow chart in uneven district to Fig. 4, and as shown in Figure 4, concrete steps are as follows:
First, need to determine the non-equilibrium district of which UE between macro base station and low power base station in macro base station coverage area, by macro base station and low power base station, come cooperative to judge.Particularly, macro base station notifies the characteristic information (such as uplink scrambling code and time slot format etc.) of all activated user in its overlay area to low power base station, macro base station and low power base station are measured respectively the power (such as RSCP of the up DPCCH pilot tone Pilot of UE etc.) of these excited users in grand overlay area, the ascending power of certain UE measuring when low power base station is greater than the thresholding (being that power reports thresholding) of setting, low power base station just sends to macro base station the ascending power of measuring, the macro base station ascending power ULMeas that relatively macro base station is measured
macroascending power ULMeas with low power base station measurement
lPN.If meet ULMeas
lPN-ULMeas
macro>0, and ULMeas
lPN-ULMeas
macro<DLboundary_Threshold, macro base station judges the just uneven district between macro base station and low power base station of this UE so, wherein, border difference power threshold value DLboundary_Threshold can arrange.
Then, when the uneven district of macro base station judgement UE between macro base station and low power base station, macro base station will be notified low power base station " up-downgoing physical channel separation message ", be that macro base station sends for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel to low power base station, make macro base station only send downstream signal to this UE (not receiving this UE upward signal), low power base station only receives this UE upward signal (not sending downstream signal to this UE).
Fig. 5 is that the macro base station that provides of the embodiment of the present invention and low power base station are for uneven district R99 user's communication for coordination schematic diagram, as shown in Figure 5, be directed to non-equilibrium region R99 service-user, macro base station macrocell transmitting DPCH signal, does not receive DPDCH/DPCCH signal; Low power base station receives DPDCH/DPCCH signal, but does not launch DPCH signal.The DPDCH/DPCCH signal that low power base station receives is transmitted to macro base station by modes such as optical fiber, the ascending pilot frequency Pilot signal comprising in the DPCCH signal that macro base station forwards low power base station carries out uplink channel estimation, and in the DPCCH that decision-making comprises at descending DPCH signal, how TPC order launches.The DPDCH signal that macro base station forwards low power base station carries out sending to RNC after uplink baseband processing.
Fig. 6 is that the macro base station that provides of the embodiment of the present invention and low power base station are for uneven district HSDPA user's communication for coordination schematic diagram, as shown in Figure 6, be directed to non-equilibrium region HSDPA service-user, macro base station macrocell transmitting HS-PDSCH/HS-SCCH/DPCH/F-DPCH signal, does not receive HS-DPCCH/DPCCH signal; Low power base station receives HS-DPCCH/DPCCH signal, but does not launch HS-PDSCH/HS-SCCH/DPCH/F-DPCH signal.Low power base station is transmitted to macro base station by the HS-DPCCH/DPCCH signal of receiving by modes such as optical fiber, and the descending HS-PDSCH data that the included wireless link feedback informations such as ACK/NACK CQI TPC order of HS-DPCCH/DPCCH signal that macro base station forwards according to low power base station are dispatched macro base station send.
Fig. 7 is that the macro base station that provides of the embodiment of the present invention and low power base station are for uneven district HSUPA user's communication for coordination schematic diagram, as shown in Figure 7, be directed to non-equilibrium region HSUPA service-user, macro base station macrocell transmitting E-HICH/E-AGCH/E-RGCH/DPCH signal, does not receive E-DPDCH/E-DPCCH/DPDCH/DPCCH signal; Low power base station receives E-DPDCH/E-DPCCH/DPDCH/DPCCH signal, but does not launch E-HICH/E-AGCH/E-RGCH/DPCH signal.Low power base station is transmitted to macro base station by the E-DPDCH/E-DPCCH/DPDCH/DPCCH signal of receiving by modes such as optical fiber, and the E-DPDCH/E-DPCCH/DPDCH/DPCCH signal that macro base station forwards according to low power base station carrys out the transmission of the descending E-HICH/E-AGCH/E-RGCH/DPCH signal of decision-making macro base station.
Generally speaking, by above method, allow low power base station receive uneven district user's upward signal, uneven district user can be become to useful signal to the uplink interference of low power base station, simultaneously because low power base station is better to uneven district user's reception signal, the transmitting of non-equilibrium district user uplink signal can be reduced, thereby up-link capacity can be promoted.
In addition, for macrocell user in switch area, above method, by low power base station reception & disposal HS-DPCCH signal, is avoided macro base station reception & disposal HS-DPCCH, occurs decoding error.
Above macro base station and low power base station adopt the method for coordinated emission and reception to be both applicable to macro base station for uneven district UE and low power base station belongs to respectively with different districts frequently; Also be applicable to macro base station and low power base station belongs to same cells, macro base station and low power base station are merged into the situation of a logic district (Combined Cell).
For situation about belonging to different districts frequently, under macro base station and low power base station individual cell deployment scenario with the communication for coordination relation of each region UE as shown in Figure 8 and Figure 9.Particularly:
1, community 1 has two kinds of Radio Resources to exist in macro base station, uplink physical channel resource and the down physical channel resource of the grand covering equilibrium area of first wireless link RL, and it two is down physical channel resources of uneven district RL and soft handover SHO district RL.
2, there is the uplink physical channel resource of uneven district RLHe SHO district RL in community 1 in low power base station.
3, there is uplink physical channel resource and the down physical channel resource of low power base station equilibrium area RLHe SHO district RL in community 2 in low power base station.
For macro base station and low power base station, merge into the situation of a logic district, macro base station and low power base station merge in cell deployment situation with the communication for coordination relation of each region UE as shown in Figure 10 and Figure 11.Particularly:
1, community 1 has two kinds of Radio Resources to exist in macro base station, uplink physical channel resource and the down physical channel resource of the grand covering equilibrium area of first RL, and it two is down physical channel resources of uneven district RL.
2, community 1 has two kinds of Radio Resources to exist in low power base station, the uplink physical channel resource of the uneven district RL of the first, and it two is uplink physical channel resource and the down physical channel resource of low power base station equilibrium area RL.
Although above the present invention is had been described in detail, the invention is not restricted to this, those skilled in the art of the present technique can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. a method for macro base station and low power base station communication for coordination, is characterized in that, comprising:
Macro base station and low power base station be the ascending power of measuring terminals respectively;
Macro base station, according to the ascending power of the ascending power of its measurement and low power base station measurement, determines whether terminal is positioned at uneven district;
When terminal is positioned at uneven district, the upward signal that low power base station receiving terminal sends, macro base station sends downstream signal to terminal;
Wherein, described uneven district is that the up overlay area of low power base station between macro base station and low power base station is more than the part of descending overlay area.
2. method according to claim 1, it is characterized in that, the ascending power of low power base station measuring terminals, and report thresholding to compare described ascending power and power, when described ascending power is greater than described power and reports thresholding, low power base station is sent to macro base station by the ascending power of described terminal.
3. method according to claim 2, is characterized in that, before the ascending power of low power base station measuring terminals, also comprises:
Macro base station is sent to low power base station by the characteristic information of all activated terminals in its overlay area, so that low power base station, according to described characteristic information, is measured the ascending power of corresponding terminal.
4. method according to claim 1, is characterized in that, described macro base station determine terminal whether the step in the uneven district between macro base station and low power base station comprise:
The ascending power that macro base station is measured low power base station deducts the ascending power that macro base station is measured, and obtains the ascending power difference of terminal;
More described ascending power difference and border difference power threshold value;
When described measurement power difference is greater than zero and while being less than described border difference power threshold value, macro base station determines that terminal is positioned at uneven district.
5. method according to claim 4, it is characterized in that, also comprise: macro base station determines that terminal is positioned at behind uneven district, macro base station sends for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel, so that macro base station and low power base station communication for coordination to low power base station.
6. method according to claim 5, it is characterized in that, low power base station is received after the upward signal of self terminal by uplink physical channel, described upward signal is forwarded to macro base station, so that macro base station is according to described upward signal, dispatch corresponding downstream signal, and be sent to terminal by down physical channel.
7. according to the method described in claim 1-6 any one, it is characterized in that, low power base station and macro base station belong to same community or belong to respectively with different districts frequently.
8. a system for macro base station and low power base station communication for coordination, is characterized in that, comprising:
Low power base station, for the ascending power of measuring terminals, and when the up overlay area of the low power base station of terminal between macro base station and low power base station is during more than the uneven district of descending overlay area, the upward signal that low power base station receiving terminal sends;
Macro base station, for the ascending power of measuring terminals, and according to the ascending power of the ascending power of its measurement and low power base station measurement, determines whether terminal is positioned at uneven district, and when definite terminal is positioned at uneven district, macro base station sends downstream signal to terminal.
9. system according to claim 8, is characterized in that, low power base station reports thresholding for ascending power and the power of relatively its measurement, and when described ascending power is greater than described power and reports thresholding, the ascending power of described terminal is sent to macro base station.
10. system according to claim 8, it is characterized in that, macro base station deducts for the ascending power that low power base station is measured the ascending power that macro base station is measured, obtain the ascending power difference of terminal, and more described ascending power difference and border difference power threshold value, when described measurement power difference is greater than zero and while being less than described border difference power threshold value, determine that terminal is positioned at uneven district, and send for the uplink physical channel of same wireless link is carried out to separated notification message with down physical channel to low power base station, so that macro base station and low power base station communication for coordination.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310112975.9A CN104105123A (en) | 2013-04-02 | 2013-04-02 | Macro base station and low power base station cooperation communication method and system |
| PCT/CN2013/082225 WO2014161264A1 (en) | 2013-04-02 | 2013-08-23 | Coordination communication method and system between macro base station and low-power base station |
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| CN201310112975.9A CN104105123A (en) | 2013-04-02 | 2013-04-02 | Macro base station and low power base station cooperation communication method and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602246A (en) * | 2015-01-12 | 2015-05-06 | 北京邮电大学 | Data transmission method, device and system applied in multi-layer multi-cell mode |
| CN106686713A (en) * | 2015-11-10 | 2017-05-17 | 中兴通讯股份有限公司 | Method and device for controlling uplink interference |
| WO2017152713A1 (en) * | 2016-03-11 | 2017-09-14 | 中兴通讯股份有限公司 | Resource allocation method and device, and baseband unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795481A (en) * | 2010-03-22 | 2010-08-04 | 普天信息技术研究院有限公司 | Method for accessing client to service cell in long term evolution advanced system |
| CN102123489A (en) * | 2010-01-08 | 2011-07-13 | 电信科学技术研究院 | Method, device and system for adjusting uplink power of micro base station |
| CN102823300A (en) * | 2010-04-06 | 2012-12-12 | 上海贝尔股份有限公司 | Method and device for performing cell selection |
| US20130012259A1 (en) * | 2010-04-09 | 2013-01-10 | Furuskaer Anders | Method and arrangement in a wireless network for determining an uplink received power target value |
-
2013
- 2013-04-02 CN CN201310112975.9A patent/CN104105123A/en not_active Withdrawn
- 2013-08-23 WO PCT/CN2013/082225 patent/WO2014161264A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123489A (en) * | 2010-01-08 | 2011-07-13 | 电信科学技术研究院 | Method, device and system for adjusting uplink power of micro base station |
| CN101795481A (en) * | 2010-03-22 | 2010-08-04 | 普天信息技术研究院有限公司 | Method for accessing client to service cell in long term evolution advanced system |
| CN102823300A (en) * | 2010-04-06 | 2012-12-12 | 上海贝尔股份有限公司 | Method and device for performing cell selection |
| US20130012259A1 (en) * | 2010-04-09 | 2013-01-10 | Furuskaer Anders | Method and arrangement in a wireless network for determining an uplink received power target value |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602246A (en) * | 2015-01-12 | 2015-05-06 | 北京邮电大学 | Data transmission method, device and system applied in multi-layer multi-cell mode |
| WO2016112565A1 (en) * | 2015-01-12 | 2016-07-21 | 北京邮电大学 | Data sending method, apparatus, and system applied in multi-floor and multi-cell model |
| CN106686713A (en) * | 2015-11-10 | 2017-05-17 | 中兴通讯股份有限公司 | Method and device for controlling uplink interference |
| CN106686713B (en) * | 2015-11-10 | 2021-06-25 | 中兴通讯股份有限公司 | Uplink interference control method and device |
| WO2017152713A1 (en) * | 2016-03-11 | 2017-09-14 | 中兴通讯股份有限公司 | Resource allocation method and device, and baseband unit |
| CN107182059A (en) * | 2016-03-11 | 2017-09-19 | 中兴通讯股份有限公司 | A kind of method, device and the baseband processing unit of the distribution resource that becomes more meticulous |
| CN107182059B (en) * | 2016-03-11 | 2021-11-09 | 中兴通讯股份有限公司 | Method and device for finely distributing resources and baseband processing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014161264A1 (en) | 2014-10-09 |
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