CN103813462B - Method and device for co-cell resource distribution of multiple remote radio units - Google Patents
Method and device for co-cell resource distribution of multiple remote radio units Download PDFInfo
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- CN103813462B CN103813462B CN201410038904.3A CN201410038904A CN103813462B CN 103813462 B CN103813462 B CN 103813462B CN 201410038904 A CN201410038904 A CN 201410038904A CN 103813462 B CN103813462 B CN 103813462B
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Abstract
The invention provides a method and a device for co-cell resource distribution of multiple remote radio units, relates to the communication field and aims at reducing the waste of channel resources in the co-cell resource distribution of multiple remote radio units in one embodiment. The method for co-cell resource distribution of multiple remote radio units is characterize in that in the cells of the multiple remote radio units, a base station measures the test values of reference signals of user equipment in the cells in each remote radio unit, and the remote radio unit with the highest test value as the working remote radio unit of the user equipment. The method and the device for the co-cell resource distribution of multiple remote radio units are applied to channel resource distribution.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of resource allocation methods and dress of many remote radio unit common communities
Put.
Background technology
In many RRU（Radio remote unit, Remote Radio Unit）Altogether in cell scenario, identical indoor Base-Band Processing
It is logically same cell although the multiple RRU under unit are physically distributed in different sites, so each
The cell parameters such as carrier number, frequency, the channel configuration of RRU are identical.In the case, for down channel, each RRU launches
Identical PDSCH/PDCCH（Physical downlink shared channel, Physical Downlink Shared Channel/physical
Downlink control channel, Physical Downlink Control Channel）Signal；For up channel, each RRU joint receive or
Select to receive UE（User equipment, user equipment）The PUCCH/PUSCH of transmitting（physical uplink control
Channel, Physical Uplink Control Channel/physical uplink shared channel Physical Uplink Shared Channels）Signal.
State in realization in solution processes, inventor has found prior art, and at least there are the following problems：In the common cells of many RRU
In the case of, user equipment can take all RRU in cell to perform sending and receiving for signal, multiple lower/upper rows occur
Identical signal is launched/received to channel, causes channel resource waste.
The content of the invention
Embodiments of the invention provide a kind of resource allocation methods and device of many remote radio unit common communities, to solve
The problem that channel resource is wasted in the resource allocation of many remote radio unit common communities.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of resource allocation methods of many remote radio unit common communities, including：
In many Remote Radio Unit cells, reference letter of the intra-cell users equipment under each Remote Radio Unit is measured
Number test value；
Test value highest Remote Radio Unit is chosen as the operating RF extension unit of the user equipment；
Reference signal test value under other Remote Radio Unit of the comparison user equipment in the cell and
The difference of reference signal test value of the user equipment under the operating RF extension unit, if the difference is less than default
Value, then choose described other Remote Radio Unit as operating RF extension unit simultaneously.
On the other hand, the embodiment of the present invention provides a kind of resource allocation device of many remote radio unit common communities, including：
Reference signal measuring unit, for measuring reference signal of the intra-cell users equipment under each Remote Radio Unit
Test value；
Unit is chosen, for choosing the test value highest Remote Radio Unit of reference signal measuring unit measurement as this
The operating RF extension unit of user equipment；
The selection unit is additionally operable under other Remote Radio Unit of user equipment described in comparison in the cell
The difference of the reference signal test value of reference signal test value and the user equipment under the operating RF extension unit, if
The difference is less than preset value, then choose described other Remote Radio Unit simultaneously as operating RF extension unit.
A kind of resource allocation methods and device of many remote radio unit common communities provided in an embodiment of the present invention, are penetrating more
Under conditions of the common cell of frequency extension unit, according to the survey of reference signal of the intra-cell users equipment under each Remote Radio Unit
Examination value is that user equipment chooses corresponding operating RF extension unit, solves the resource allocation of many remote radio unit common communities
The problem that middle channel resource is wasted.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the resource allocation methods flow chart of a kind of many remote radio unit common communities that the embodiment of the present invention 1 is provided；
Fig. 2 is the resource allocation methods flow chart of a kind of many remote radio unit common communities that the embodiment of the present invention 2 is provided；
Fig. 3 is the resource allocation bitmap of a kind of many remote radio unit common communities that the embodiment of the present invention 2 is provided；
The resource allocation bitmap of a kind of many remote radio unit common communities that Fig. 4 is provided for prior art；
Fig. 5 is the resource allocation device block diagram of a kind of many remote radio unit common communities that the embodiment of the present invention 3 is provided；
Fig. 6 is the resource allocation device block diagram of another kind of many remote radio unit common communities that the embodiment of the present invention 3 is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
A kind of resource allocation methods of many remote radio unit common communities provided in an embodiment of the present invention, as shown in figure 1, its
Step includes：
S101, in many Remote Radio Unit cells, measurement intra-cell users equipment under each Remote Radio Unit
The test value of reference signal.
The operating RF extension unit of S102, selection test value highest Remote Radio Unit as user equipment.
Need exist for explanation, the test value of the reference signal mentioned in step S102 can be following any one
Kind：Reference Signal Received Power（RSRP, reference signal receiving power）；Or the letter of detection reference signal
Number with interference plus noise ratio（SRS SINR, sounding reference signal；signal to interference
plus noise ratio）；Or the Signal to Interference plus Noise Ratio of demodulated reference signal（DMRS SINR, demodulation
reference symbol signal to interference plus noise ratio）.
Additionally, intra-cell users equipment is measured with base station in following embodiments under each Remote Radio Unit
The test value of reference signal, it should be noted that base station here can be the base station of any one following scene：GSM
（Global system for mobile communications, global system for mobile communications）、UMTS（universal
Mobile telecommunications system, UMTS）、WIMAX（worldwide
Interoperability for microwave access, worldwide interoperability for microwave accesses）Deng many radio frequencies of other wireless standards
The scene of the common cell of extension unit.
In many Remote Radio Unit cells, because base station have chosen corresponding operating RF for user equipment list is zoomed out
Unit, so user equipment only carries out channel resource allocation on corresponding operating RF extension unit.
A kind of resource allocation methods of many remote radio unit common communities provided in an embodiment of the present invention can be in many radio frequencies
Under conditions of the common cell of extension unit, according to the test of reference signal of the intra-cell users equipment under each Remote Radio Unit
It is worth and chooses corresponding operating RF extension unit for user equipment, in reduces the resource allocation of many remote radio unit common communities
The waste of channel resource.
Embodiment 2
A kind of resource allocation methods of many remote radio unit common communities provided in an embodiment of the present invention, as shown in Fig. 2 its
Step includes：
S201, in many Remote Radio Unit cells, base station measurement intra-cell users equipment is in each Remote Radio Unit
Under reference signal test value.
S202, base station selection reference signal test value highest Remote Radio Unit as user equipment operating RF
Extension unit.
S203, compare reference signal test value and user equipment of the user equipment in the cell under other Remote Radio Unit
The difference of the reference signal test value under its operating RF extension unit, if the difference is less than preset value, choosing simultaneously should
Other Remote Radio Unit are used as operating RF extension unit.
It is understood that under normal circumstances, when the central user that the user equipment is its operating RF extension unit,
Reference signal test value of the user equipment under its operating RF extension unit and its ginseng under other Remote Radio Unit
The difference for examining signal testing value may be than larger, in this case, by the method for step 203, and base station may can be only
The user equipment selects unique operating RF extension unit, then the user equipment can be referred to as RRU central users；When the user sets
During for being the edge customer of its operating RF extension unit, reference signal of the user equipment under its operating RF extension unit
The difference of reference signal test value of the test value with it under other Remote Radio Unit may be smaller, if the difference is less than
During preset value, base station can have chosen multiple operating RF extension units for the user equipment simultaneously, then the user equipment can be referred to as
RRU edge customers, so also ensure that communication quality.
The test value of the reference signal mentioned in step S202 and S203 in addition can be any one following：With reference to letter
Number receiving power（RSRP, reference signal receiving power）；Or, the signal of detection reference signal and interference
Plus noise ratio（SRS SINR, sounding reference signal signal to interference plus noise
ratio）；Or, the Signal to Interference plus Noise Ratio of demodulated reference signal（DMRS SINR, demodulation reference
symbol signal to interference plus noise ratio）, compare user equipment in step S203 here
Reference signal test value under other Remote Radio Unit and the reference signal test value under operating RF extension unit
Same type of test value is used during difference.
After S204, base station selection operating RF extension unit, the working time timing to the Remote Radio Unit, so that
When reaching preset time value between when operating, operating RF extension unit is chosen in base station again for the user equipment.
For example, in cell A, there are three radio frequency remote unit RRUs 0, RRU1, RRU2 as shown in Figure 3, Figure 4, it is false
If each little lattice represent a RB (resource block, Resource Block) in figure,（It is understood that each in figure is little
Lattice can also represent several RB）1 represents the channel resource for distributing to user equipment 1 in figure, and user equipment 2 is distributed in 2 representatives
Channel resource, 0 represents unappropriated channel resource.Wherein Fig. 3 is a kind of many remote radio lists provided in an embodiment of the present invention
The resource allocation bitmap of the common cell of unit, the resource allocation of a kind of many remote radio unit common communities that Fig. 4 is provided for prior art
Bitmap.There is physical uplink channel and physical down channel in real scene, in prior art cell, for physical down
Channel, each RRU launches identical PDSCH/PDCCH signal；For physical uplink channel, each RRU joint is received or selected
Select receive user equipment transmitting identical PUCCH/PUSCH signal.
Assume that base station detects the test value highest of reference signal of the user equipment 1 under RRU0, then choose RRU0 conducts
The work RRU of user equipment 1；If base station detects user equipment 1 in two other RRU（RRU1、RRU2）Under reference letter
Number test value and the reference signal under RRU0 test value the both greater than default fiducial value of difference, then base station only choose RRU0 works
For the work RRU of user equipment 1.In this case it is assumed that user equipment 1 has only taken up the channel money of three RB as shown in Figure 3
Source, and prior art is as shown in figure 4, user equipment 1 can take all RRU in cell（RRU0、RRU1、RRU2）To perform letter
Number send and receive, now user equipment 1 will take altogether the channel resource of nine RB in 3 RRU, therefore the present invention is real
Apply a scheme and save channel resource.
Assume further that the test value highest radio frequency remote unit RRU 1 of base station selection reference signal is used as user equipment 2
Work RRU, the test value of reference signal of the base station measurement user equipment 2 under two other RRU finds the reference under RRU2
The test value of signal and RRU1 reference signal test value difference less than default fiducial value, then RRU2 is also set to user and sets
Standby 2 work RRU, now base station selection RRU1 and RRU2 have only taken up four as shown in the figure as the work RRU of user equipment 2
The channel resource of RB, and prior art is as shown in figure 4, user equipment 1 can take all RRU in cell（RRU0、RRU1、
RRU2）To perform sending and receiving for signal, now user equipment 1 will take altogether the channel money of six RB in 3 RRU
Source, therefore embodiment of the present invention scheme has saved channel resource.On may be appreciated, the RB numbers in above-described embodiment can be
The data of hypothesis, depending on the number of occupancy RB will be according to actual conditions under real scene, the present invention is not defined to this.
The test value of the reference signal mentioned in above-described embodiment can be any one following：Reference signal receives work(
Rate（RSRP, reference signal receiving power）；Or the Signal to Interference plus Noise Ratio of detection reference signal
（SRS SINR, sounding reference signal signal to interference plus noise ratio）；
Or the Signal to Interference plus Noise Ratio of demodulated reference signal（DMRS SINR, demodulation reference symbol
signal to interference plus noise ratio）.
A kind of resource allocation methods of many remote radio unit common communities provided in an embodiment of the present invention can be in many radio frequencies
Under conditions of the common cell of extension unit, reference signal of the base station according to intra-cell users equipment under each Remote Radio Unit
Test value is that user equipment chooses corresponding operating RF extension unit, reduces the resource point of many remote radio unit common communities
Waste with middle channel resource.
Further, since user equipment is mobile device, increased operating RF extension unit timing course and be more beneficial for using
Change operating RF extension unit when family equipment moves to diverse location in time and improve communication quality.
Embodiment 3
The resource allocation device of a kind of many remote radio unit common communities provided in an embodiment of the present invention, as shown in figure 5, institute
Device is stated including reference signal measuring unit 51, selection unit 52.
Reference signal measuring unit 51 is used to measure reference letter of the intra-cell users equipment under each Remote Radio Unit
Number test value.
Choosing unit 52 is used to choose the test value highest Remote Radio Unit conduct of reference signal measuring unit measurement
The operating RF extension unit of user equipment.
The resource allocation device of many remote radio unit common communities provided in an embodiment of the present invention, can be in many remote radios
Under conditions of the common cell of unit, it is according to the test value of reference signal of the intra-cell users equipment under each Remote Radio Unit
User equipment chooses corresponding operating RF extension unit, reduces channel in the resource allocation of many remote radio unit common communities
The waste of resource.
Further, choose unit 52 and be additionally operable to compare reference of the user equipment in the cell under other Remote Radio Unit
The difference of the reference signal test value of signal testing value and user equipment under its operating RF extension unit, if the difference is less than
Preset value, then choose other Remote Radio Unit as operating RF extension unit simultaneously.Now take multiple remote radios
Unit provides service and is also beneficial to improve service quality to user equipment simultaneously.
It should be noted that the test value of the reference signal mentioned in above-described embodiment can be any one following：
Reference Signal Received Power（RSRP, reference signal receiving power）；Or the signal of detection reference signal
With interference plus noise ratio（SRS SINR, sounding reference signal signal to interference plus
noise ratio）；Or the Signal to Interference plus Noise Ratio of demodulated reference signal（DMRS SINR, demodulation
reference symbol signal to interference plus noise ratio）.
Further, device as described in Figure 6, also including Remote Radio Unit work timing unit 53.
Remote Radio Unit work timing unit 53 is used for after operating RF extension unit is chosen, to the remote radio list
The working time timing of unit, during so that reaching preset time value between when operating, chooses operating RF for user equipment again
Extension unit.
Here, because user equipment is mobile device, increased Remote Radio Unit work timing unit 53 and be more beneficial for
Change operating RF extension unit when user equipment moves to diverse location in time and improve communication quality.
The scheme that the embodiment of the present invention is provided can also be applied to include GSM（global system for mobile
Communications, global system for mobile communications）、UMTS（universal mobile telecommunications
System, UMTS）、WIMAX（worldwide interoperability for microwave
Access, worldwide interoperability for microwave accesses）Deng the scene of many remote radio unit common communities of other wireless standards, the present invention is implemented
The device that example is provided can be the base station in above-mentioned each scene, or arrange single unit.
A kind of resource allocation device of many remote radio unit common communities provided in an embodiment of the present invention, can be in many radio frequencies
Under conditions of the common cell of extension unit, according to reference signal of each user equipment under each Remote Radio Unit in cell
Test value is that user equipment chooses corresponding operating RF extension unit, reduces the resource point of many remote radio unit common communities
Waste with middle channel resource.
Further, since user equipment is mobile device, Remote Radio Unit work timing unit is conducive to user equipment to move
Operating RF extension unit is changed when moving diverse location in time to improve communication quality.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in a computer read/write memory medium the related hardware of programmed instruction, the program
Upon execution, the step of including said method embodiment is performed；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (4)
1. a kind of resource allocation methods of many remote radio unit common communities, it is characterised in that include：
In many Remote Radio Unit cells, reference signal of the intra-cell users equipment under each Remote Radio Unit is measured
Test value；
The test value highest Remote Radio Unit is chosen as the operating RF extension unit of the user equipment；
Reference signal test value and the use under other Remote Radio Unit of the comparison user equipment in the cell
The difference of reference signal test value of the family equipment under the operating RF extension unit, if the difference is less than preset value,
Described other Remote Radio Unit are chosen simultaneously as operating RF extension unit.
2. method according to claim 1, it is characterised in that the test value of the reference signal, including：
Reference Signal Received Power, or, the Signal to Interference plus Noise Ratio of detection reference signal, or, the letter of demodulated reference signal
Number with interference plus noise ratio.
3. a kind of resource allocation device of many remote radio unit common communities, it is characterised in that include：
Reference signal measuring unit, for measuring the survey of reference signal of the intra-cell users equipment under each Remote Radio Unit
Examination value；
Unit is chosen, for choosing the test value highest Remote Radio Unit of the reference signal measuring unit measurement as institute
State the operating RF extension unit of user equipment；
It is described to choose the reference that unit is additionally operable under other Remote Radio Unit of user equipment described in comparison in the cell
The difference of the reference signal test value of signal testing value and the user equipment under the operating RF extension unit, if described
Difference is less than preset value, then choose described other Remote Radio Unit simultaneously as operating RF extension unit.
4. device according to claim 3, it is characterised in that the test value of the reference signal includes：
Reference Signal Received Power, or, the Signal to Interference plus Noise Ratio of detection reference signal, or, the letter of demodulated reference signal
Number with interference plus noise ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038904.3A CN103813462B (en) | 2011-09-19 | 2011-09-19 | Method and device for co-cell resource distribution of multiple remote radio units |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038904.3A CN103813462B (en) | 2011-09-19 | 2011-09-19 | Method and device for co-cell resource distribution of multiple remote radio units |
| CN201180001806.7A CN102388645B (en) | 2011-09-19 | 2011-09-19 | Resource distribution method and device of multiple remote radio unit common community |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180001806.7A Division CN102388645B (en) | 2011-09-19 | 2011-09-19 | Resource distribution method and device of multiple remote radio unit common community |
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| CN103813462A CN103813462A (en) | 2014-05-21 |
| CN103813462B true CN103813462B (en) | 2017-04-26 |
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| CN201410038904.3A Active CN103813462B (en) | 2011-09-19 | 2011-09-19 | Method and device for co-cell resource distribution of multiple remote radio units |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413073B (en) * | 2015-07-31 | 2021-06-01 | 中兴通讯股份有限公司 | Dynamic power allocation method and device for MRRU cell |
| CN107135520A (en) * | 2016-02-26 | 2017-09-05 | 中兴通讯股份有限公司 | Resource allocation methods and device between a kind of grand sectors of RRU |
| 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 |
| CN107135481B (en) * | 2017-05-15 | 2019-11-29 | ***通信集团江苏有限公司 | The resource allocation methods and device of remote radio unit common community |
| CN109152048B (en) * | 2017-06-27 | 2023-05-09 | ***通信有限公司研究院 | Space division multiplexing method, base station and computer readable storage medium |
| CN108135007A (en) * | 2018-02-11 | 2018-06-08 | 京信通信***（中国）有限公司 | A kind of method and device of communication |
| WO2019191951A1 (en) * | 2018-04-04 | 2019-10-10 | 华为技术有限公司 | Network planning method and device |
| CN110753353B (en) * | 2019-09-17 | 2022-06-07 | 中国联合网络通信集团有限公司 | Equipment model selection method and device |
| CN110572847B (en) * | 2019-09-29 | 2021-05-28 | 京信通信***（中国）有限公司 | Data transmission method, system, computer device and storage medium |
| CN113709762B (en) * | 2020-05-20 | 2023-12-26 | 大唐移动通信设备有限公司 | Signal processing method, device, network and storage medium for cell merging scene |
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