CN106488566B - Method, controller and the base station of scheduling of resource in a kind of high-speed rail communication system - Google Patents
Method, controller and the base station of scheduling of resource in a kind of high-speed rail communication system Download PDFInfo
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- CN106488566B CN106488566B CN201510558159.XA CN201510558159A CN106488566B CN 106488566 B CN106488566 B CN 106488566B CN 201510558159 A CN201510558159 A CN 201510558159A CN 106488566 B CN106488566 B CN 106488566B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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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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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses method, controller and the base station of scheduling of resource in a kind of high-speed rail communication system, which comprises receives the uplink signal energy value at least one user equipment (UE) that at least one radio frequency remote unit RRU reports；Effective RRU of at least one user equipment (UE) is determined using preset rules according to the uplink signal energy value of at least one user equipment (UE)；Effective RRU of the UE is the RRU that data interaction is carried out with the UE；At least one the effective RRU for judging whether there is at least two UE is identical, and if it exists, then distributes non-conterminous uplink frequency domain resources at least two UE.Method, controller and the base station of scheduling of resource in high-speed rail communication system provided by the invention, the influence of frequency deviation is considered during scheduling of resource, the problem of two user equipmenies that solving existing resource dispatching method causes resource adjacent can interfere with each other, data receiver degradation.
Description
Technical field
The present invention relates to wireless communication technology fields, and in particular to a kind of method of scheduling of resource in high-speed rail communication system,
Controller and base station.
Background technique
Increasingly developed with high-speed rail, high-speed rail communication system is also required to meet wanting for the communication that high-speed rail client is gradually increased
It asks.In high-speed rail mobile communication system, in order to improve performance, a small-sized R-T unit can be installed in high-speed rail, in this way
Entire train can regard a user equipment (User Equipment, UE) as, avoid between penetration loss and multiple users
Interference.
The networking structure of high-speed rail communication system generally uses a baseband processing unit (Building Base band
Unit, BBU) the distributed group web frame with multiple Remote Radio Unit (Radio Remote Unit, RRU), when train is along iron
When route is advanced, RRU that high-speed rail communication system can generally select a signal best with the train as carrying out data transmission
Effective RRU, as shown in Figure 1, RRU1 is effective RRU of user equipment (UE) 1 in figure at this time, meanwhile, UE1 is also the effective of RRU1
Family equipment.Special circumstances are, when UE1 is travelled to two RRU, the distance of two RRU (RRU2 and RRU3) and UE1 are approximate
Effective RRU identical, that high-speed rail communication system can generally select RRU2 and RRU3 to carry out data transmission as UE1 at this time, such as Fig. 2 institute
Show.
In high-speed rail communication system, the high-speed motion of user equipment can cause Doppler frequency shift, for example, if user equipment
It is travelled with the speed of 300km/h, carrier frequency 2.6GHz, then the maximum frequency deviation that uplink generates is about 1444Hz.If two frequency deviations
The ascending resource (Physical Resource Block, Physical Resource Block, PRB) of the user equipment distribution to differ greatly is adjacent,
Then the adjacent PRB of the two user equipmenies will receive mutual interference, and the receptivity of data is caused to be deteriorated, as shown in figure 3, with
Disturbed condition of the family equipment UE1 and UE2 without frequency deviation He the adjacent PRB for having frequency deviation.
In current resource regulating method, the influence of frequency deviation is not accounted for.In high-speed rail communication system, resource is adjacent
Two users can interfere with each other, data receiver degradation.
Summary of the invention
The technical problem to be solved by the present invention is to not account for the shadow of frequency deviation in current resource regulating method
The problem of sound, two user equipmenies for causing resource adjacent can interfere with each other, data receiver degradation.
For this purpose, in a first aspect, the method that the present invention proposes scheduling of resource in a kind of high-speed rail communication system, comprising:
Receive the uplink signal energy value at least one user equipment (UE) that at least one radio frequency remote unit RRU reports；
According to the uplink signal energy value of at least one user equipment (UE), using preset rules, determination is described at least
Effective RRU of one user equipment (UE)；Effective RRU of the UE is the RRU that data interaction is carried out with the UE；
At least one the effective RRU for judging whether there is at least two UE is identical, and if it exists, then distributes non-conterminous uplink
Frequency domain resource gives at least two UE.
Optionally, the preset rules are as follows:
The RRU for being greater than the UE uplink signal energy value of preset energy value will be reported, is determined as effective RRU of the UE.
Optionally, described at least one effective RRU for judging whether there is at least two UE is identical, and if it exists, then distributes
Non-conterminous uplink frequency domain resources give at least two UE, comprising:
At least one the effective RRU for judging whether there is at least two UE is identical, and the first UE and the 2nd UE be extremely if it exists
A few effective RRU is identical, then distributes the first uplink frequency domain resources to the first UE, the second uplink frequency domain resources of distribution give second
UE；
Wherein, at least one physics money is spaced between first uplink frequency domain resources and second uplink frequency domain resources
Source block PRB.
Optionally, described at least one effective RRU for judging whether there is at least two UE is identical, and if it exists, then distributes
Non-conterminous uplink frequency domain resources give at least two UE, comprising:
At least one the effective RRU for judging whether there is at least two UE is identical, and the 3rd UE and the 4th UE be extremely if it exists
A few effective RRU is identical, and there are at least one the 5th UE the 5th UE of satisfaction and the 3rd UE, the 4th UE be not identical
Effective RRU, then distribute third uplink frequency domain resources to the 3rd UE, the 4th uplink frequency domain resources of distribution give the 4th UE, distribution the
Five uplink frequency domain resources give at least one the 5th UE；
Wherein, the 5th uplink frequency domain resources are located at the third uplink frequency domain resources and the 4th uplink frequency domain resources
Between.
Second aspect, the present invention also provides a kind of controllers, comprising:
Receiving unit, for receiving at least one user equipment (UE) that at least one radio frequency remote unit RRU reports
Row signal energy value；
Determination unit, for the uplink signal energy value according at least one user equipment (UE), using preset rules,
Determine effective RRU of at least one user equipment (UE)；Effective RRU of the UE is the RRU that data interaction is carried out with the UE；
Judging unit, at least one effective RRU for judging whether there is at least two UE are identical；
Allocation unit, for the judging unit determine there are at least one effective RRU of at least two UE it is identical after,
Non-conterminous uplink frequency domain resources are distributed at least two UE.
Optionally, the preset rules are as follows:
The RRU for being greater than the UE uplink signal energy value of preset energy value will be reported, is determined as effective RRU of the UE.
Optionally, the allocation unit, for determining that there are at least the one of the first UE and the 2nd UE in the judging unit
After a effective RRU is identical, the first uplink frequency domain resources of distribution give the first UE, and the second uplink frequency domain resources of distribution give the 2nd UE；
Wherein, at least one physics money is spaced between first uplink frequency domain resources and second uplink frequency domain resources
Source block PRB.
Optionally, the allocation unit, for determining that there are at least the one of the 3rd UE and the 4th UE in the judging unit
A effective RRU is identical, and meets the 5th UE and the 3rd UE, the 4th UE there are at least one the 5th UE and do not have identical to have
After effect RRU, distribution third uplink frequency domain resources give the 3rd UE, and the 4th uplink frequency domain resources of distribution are given the 4th UE, distributed on the 5th
Row frequency domain resource gives at least one the 5th UE；
Wherein, the 5th uplink frequency domain resources are located at the third uplink frequency domain resources and the 4th uplink frequency domain resources
Between.
The third aspect, the present invention also provides a kind of base stations, comprising:
Controller and a baseband processing unit BBU and at least one Remote Radio Unit as described in second aspect
RRU；
Wherein, the controller is connect at least one described radio frequency remote unit RRU；The baseband processing unit BBU
It is connected at least one described radio frequency remote unit RRU.
Optionally, the controller is arranged in the baseband processing unit BBU.
Compared with the prior art, in a kind of high-speed rail communication system of the invention scheduling of resource method, controller and base station,
The influence that frequency deviation is considered during scheduling of resource solves two users that existing resource dispatching method causes resource adjacent
The problem of equipment can interfere with each other, data receiver degradation.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of effective RRU of user equipment (UE) 1 involved in background technique；
Fig. 2 is the schematic diagram of effective RRU of another user equipment (UE) 1 involved in background technique；
It is dry without frequency deviation and the adjacent PRB for having frequency deviation that Fig. 3 is a kind of user equipment (UE) 1 involved in background technique and UE2
Disturb schematic diagram；
Fig. 4 is the method flow diagram of scheduling of resource in a kind of high-speed rail communication system disclosed in one embodiment of the invention；
Fig. 5 is a kind of controller structure diagram disclosed in one embodiment of the invention；
Fig. 6 is a kind of base station structure diagram disclosed in one embodiment of the invention；
Fig. 7 is a kind of base station structure diagram disclosed in another embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is explicitly described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
It should be noted that, in this document, " first " to " the 5th " is used merely to the identical entity of title or operation is distinguished
It comes, rather than implies the relationship or sequence between entity or operation.
As shown in Figure 1, the method that the present embodiment discloses scheduling of resource in a kind of high-speed rail communication system, may include following step
Rapid 101 to 104:
101, the uplink signal energy at least one user equipment (UE) that at least one radio frequency remote unit RRU reports is received
Value.
102, according to the uplink signal energy value of at least one user equipment (UE), using preset rules, determine described in
Effective RRU of at least one user equipment (UE)；Effective RRU of the UE is the RRU that data interaction is carried out with the UE；
In the present embodiment, after determining effective RRU of UE, effective UE of RRU is also determined, effective UE of RRU is and the RRU
Carry out the UE of data interaction.
103, at least one the effective RRU for judging whether there is at least two UE is identical, and if it exists, thens follow the steps 104.
104, non-conterminous uplink frequency domain resources are distributed at least two UE.
At least one effective RRU that at least two UE are judged whether there is in the present embodiment, in step 103 is identical, if not
In the presence of can then distribute frequency domain adjacent resource.
The method of scheduling of resource in above-mentioned high-speed rail communication system, carries out resource allocation by judging effective RRU of UE, such as
Effective RRU of two UE of fruit is different, then can distribute frequency domain adjacent resource, if effective RRU of two UE is identical, distribute
The non-conterminous resource of frequency domain.The method of scheduling of resource considers the influence of frequency deviation in above-mentioned high-speed rail communication system, it is possible to reduce uses
Interference between family improves the receptivity of data.
In a specific example, the mark that memory space saves effective UE is can be preset in each RRU.
In a specific example, preset rules described in step 102 are as follows:
The RRU for being greater than the UE uplink signal energy value of preset energy value will be reported, is determined as effective RRU of the UE.
In a specific example, in step 103, at least one effective RRU of at least two UE is judged whether there is
Identical, the first UE is identical as at least one effective RRU of the 2nd UE if it exists, then step 104 specifically: line frequency in distribution first
Domain resource gives the first UE, and the second uplink frequency domain resources of distribution give the 2nd UE；
Wherein, at least one physics money is spaced between first uplink frequency domain resources and second uplink frequency domain resources
Source block PRB.
In a specific example, in step 103, at least one effective RRU of at least two UE is judged whether there is
Identical, the 3rd UE is identical as at least one effective RRU of the 4th UE if it exists, and there are at least one the 5th UE to meet the 5th
UE and the 3rd UE, the 4th UE do not have identical effective RRU, then step 104 specifically: distribution third uplink frequency domain resources are given
3rd UE, the 4th uplink frequency domain resources of distribution give the 4th UE, and the 5th uplink frequency domain resources of distribution give at least one the 5th UE；
Wherein, the 5th uplink frequency domain resources are located at the third uplink frequency domain resources and the 4th uplink frequency domain resources
Between, and be not spaced between the 5th uplink frequency domain resources and the third uplink frequency domain resources, the 4th uplink frequency domain resources
PRB.Specifically, the uplink frequency domain resources of the 3rd UE, at least one the 5th UE and the 4th UE can be sequentially allocated, it can also be successively
The uplink frequency domain resources of the 4th UE, at least one the 5th UE and the 3rd UE are distributed, the non-conterminous upper line frequency of distribution is not only realized
Domain resource gives the 3rd UE and the 4th UE, and without waste of resource (i.e. without interval PRB).
As shown in figure 5, the present embodiment discloses a kind of controller, which may include with lower unit: receiving unit 51,
Determination unit 52, judging unit 53 and allocation unit 54；
Receiving unit 51, for receiving at least one user equipment (UE) that at least one radio frequency remote unit RRU reports
Uplink signal energy value；
Determination unit 52, for the uplink signal energy value according at least one user equipment (UE), using default rule
Then, effective RRU of at least one user equipment (UE) is determined；Effective RRU of the UE is to carry out data interaction with the UE
RRU；
Judging unit 53, at least one effective RRU for judging whether there is at least two UE are identical；
Allocation unit 54, for determining that there are at least one effective RRU phases of at least two UE in the judging unit 53
With after, non-conterminous uplink frequency domain resources are distributed at least two UE.
Above controller carries out resource allocation by judging effective RRU of UE, if effective RRU of two UE is different,
It can then distribute frequency domain adjacent resource, if effective RRU of two UE is identical, distribute frequency domain non-conterminous resource.It is above-mentioned
Controller considers the influence of frequency deviation, it is possible to reduce the interference between user improves the receptivity of data.
In a specific example, the preset rules are as follows:
The RRU for being greater than the UE uplink signal energy value of preset energy value will be reported, is determined as effective RRU of the UE.
In a specific example, the allocation unit 54, for determining that there are the first UE in the judging unit 53
After identical as at least one effective RRU of the 2nd UE, the first uplink frequency domain resources of distribution give the first UE, distribute the second uplink frequency domain
Resource gives the 2nd UE；
Wherein, at least one physics money is spaced between first uplink frequency domain resources and second uplink frequency domain resources
Source block PRB.
In a specific example, the allocation unit 54, for determining that there are the 3rd UE in the judging unit 53
It is identical as at least one effective RRU of the 4th UE, and there are at least one the 5th UE to meet the 5th UE and the 3rd UE, the
After four UE do not have identical effective RRU, distribution third uplink frequency domain resources give the 3rd UE, and the 4th uplink frequency domain resources of distribution are to the
Four UE, the 5th uplink frequency domain resources of distribution give at least one the 5th UE；
Wherein, the 5th uplink frequency domain resources are located at the third uplink frequency domain resources and the 4th uplink frequency domain resources
Between.
As shown in fig. 6, the present embodiment discloses a kind of base station, the base station can include:
Controller 61 as shown in Figure 5 and a baseband processing unit (BBU) 62 and at least one Remote Radio Unit
(RRU)63；
Wherein, the controller 61 is connect at least one described Remote Radio Unit (RRU) 63；The Base-Band Processing list
First (BBU) 62 and at least one Remote Radio Unit (RRU) 63 connect.
Above-mentioned base station carries out resource allocation by judging effective RRU of UE, if effective RRU of two UE is different,
It can distribute frequency domain adjacent resource, if effective RRU of two UE is identical, distribute frequency domain non-conterminous resource.Above-mentioned base
Station considers the influence of frequency deviation, it is possible to reduce the interference between user improves the receptivity of data.
In a specific example, as shown in fig. 7, the controller 61 is arranged at the baseband processing unit (BBU)
In 62.
It will be understood by those skilled in the art that can be adaptively changed to the module in the equipment in embodiment
And they are arranged in one or more devices different from this embodiment.Can in embodiment module or unit or
Component is combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or subgroups
Part.In addition to such feature and/or at least some of process or unit are mutually exclusive places, any combination can be used
All process or units of all features disclosed in this specification and so disclosed any method or apparatus are carried out
Combination.Unless expressly stated otherwise, each feature disclosed in this specification can be by providing identical, equivalent, or similar purpose
Alternative features replace.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.
Various component embodiments of the invention can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.It will be understood by those of skill in the art that can be used in practice
In the equipment of microprocessor or digital signal processor (DSP) to realize a kind of browser terminal according to an embodiment of the present invention
Some or all components some or all functions.The present invention is also implemented as executing side as described herein
Some or all device or device programs (for example, computer program and computer program product) of method.It is such
It realizes that program of the invention can store on a computer-readable medium, or can have the shape of one or more signal
Formula.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or with any other shape
Formula provides.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations are made in the case where bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (8)
1. a kind of method of scheduling of resource in high-speed rail communication system characterized by comprising
Receive the uplink signal energy value at least one user equipment (UE) that at least one radio frequency remote unit RRU reports；
According to the uplink signal energy value of at least one user equipment (UE), using preset rules, determine it is described at least one
Effective RRU of user equipment (UE)；Effective RRU of the UE is the RRU that data interaction is carried out with the UE；The preset rules are as follows:
The RRU for being greater than the UE uplink signal energy value of preset energy value will be reported, is determined as effective RRU of the UE；
At least one the effective RRU for judging whether there is at least two UE is identical, and if it exists, then distributes non-conterminous uplink frequency domain
Resource gives at least two UE.
2. the method according to claim 1, wherein at least one described for judging whether there is at least two UE
Effective RRU is identical, and if it exists, then distributes non-conterminous uplink frequency domain resources at least two UE, comprising:
At least one the effective RRU for judging whether there is at least two UE is identical, if it exists at least the one of the first UE and the 2nd UE
A effective RRU is identical, then distributes the first uplink frequency domain resources to the first UE, the second uplink frequency domain resources of distribution give the 2nd UE；
Wherein, at least one Physical Resource Block is spaced between first uplink frequency domain resources and second uplink frequency domain resources
PRB。
3. the method according to claim 1, wherein at least one described for judging whether there is at least two UE
Effective RRU is identical, and if it exists, then distributes non-conterminous uplink frequency domain resources at least two UE, comprising:
At least one the effective RRU for judging whether there is at least two UE is identical, if it exists at least the one of the 3rd UE and the 4th UE
A effective RRU is identical, and meets the 5th UE and the 3rd UE, the 4th UE there are at least one the 5th UE and do not have identical to have
RRU is imitated, then distributes third uplink frequency domain resources to the 3rd UE, the 4th uplink frequency domain resources of distribution are given the 4th UE, distributed on the 5th
Row frequency domain resource gives at least one the 5th UE；
Wherein, the 5th uplink frequency domain resources be located at the third uplink frequency domain resources and the 4th uplink frequency domain resources it
Between.
4. a kind of controller characterized by comprising
Receiving unit, the uplink for receiving at least one user equipment (UE) that at least one radio frequency remote unit RRU reports are believed
Number energy value；
Determination unit is determined for the uplink signal energy value according at least one user equipment (UE) using preset rules
Effective RRU of at least one user equipment (UE)；Effective RRU of the UE is the RRU that data interaction is carried out with the UE；It is described
Preset rules are as follows: the RRU for being greater than the UE uplink signal energy value of preset energy value will be reported, be determined as effective RRU of the UE；
Judging unit, at least one effective RRU for judging whether there is at least two UE are identical；
Allocation unit, for distributing after judging unit judgement is identical there are at least one effective RRU of at least two UE
Non-conterminous uplink frequency domain resources give at least two UE.
5. controller according to claim 4, which is characterized in that the allocation unit, for sentencing in the judging unit
Surely exist the first UE it is identical at least one effective RRU of the 2nd UE after, distribution the first uplink frequency domain resources give the first UE, distribute
Second uplink frequency domain resources give the 2nd UE；
Wherein, at least one Physical Resource Block is spaced between first uplink frequency domain resources and second uplink frequency domain resources
PRB。
6. controller according to claim 4, which is characterized in that the allocation unit, for sentencing in the judging unit
Surely exist the 3rd UE it is identical at least one effective RRU of the 4th UE, and exist at least one the 5th UE satisfaction the 5th UE and
After 3rd UE, the 4th UE do not have identical effective RRU, distribution third uplink frequency domain resources give the 3rd UE, distribute on the 4th
Row frequency domain resource gives the 4th UE, and the 5th uplink frequency domain resources of distribution give at least one the 5th UE；
Wherein, the 5th uplink frequency domain resources be located at the third uplink frequency domain resources and the 4th uplink frequency domain resources it
Between.
7. a kind of base station characterized by comprising
As the described in any item controllers of claim 4 to 6 and a baseband processing unit BBU and at least one radio frequency are drawn
Remote unit R RU；
Wherein, the controller is connect at least one described radio frequency remote unit RRU；The baseband processing unit BBU and institute
State the connection of at least one radio frequency remote unit RRU.
8. base station according to claim 7, which is characterized in that the controller is arranged in the baseband processing unit BBU
In.
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| CN201510558159.XA CN106488566B (en) | 2015-09-02 | 2015-09-02 | Method, controller and the base station of scheduling of resource in a kind of high-speed rail communication system |
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| CN201510558159.XA CN106488566B (en) | 2015-09-02 | 2015-09-02 | Method, controller and the base station of scheduling of resource in a kind of high-speed rail communication system |
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| CN109152048B (en) * | 2017-06-27 | 2023-05-09 | 中国移动通信有限公司研究院 | Space division multiplexing method, base station and computer readable storage medium |
| CN113872629B (en) * | 2020-06-12 | 2023-04-18 | 华为技术有限公司 | Information transmission method, device and storage medium |
| CN112672318B (en) * | 2021-03-17 | 2021-05-18 | 上海擎昆信息科技有限公司 | Method and system for scheduling communication service along high-speed rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655543A (en) * | 2003-12-03 | 2005-08-17 | 三星电子株式会社 | Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system |
| CN103428825A (en) * | 2012-05-15 | 2013-12-04 | 中国普天信息产业股份有限公司 | Radio remote unit selecting method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1655543A (en) * | 2003-12-03 | 2005-08-17 | 三星电子株式会社 | Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system |
| CN103428825A (en) * | 2012-05-15 | 2013-12-04 | 中国普天信息产业股份有限公司 | Radio remote unit selecting method |
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