CN108366425A - A kind of cell resource scheduling method, master control station arrangement, slave station device and system - Google Patents
A kind of cell resource scheduling method, master control station arrangement, slave station device and system Download PDFInfo
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- CN108366425A CN108366425A CN201810019878.8A CN201810019878A CN108366425A CN 108366425 A CN108366425 A CN 108366425A CN 201810019878 A CN201810019878 A CN 201810019878A CN 108366425 A CN108366425 A CN 108366425A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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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
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
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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
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of cell resource scheduling method, master control station arrangement, slave station device and system, and the method includes determining the slave station for belonging to a total cell；The user information that user is corresponded to according to each slave station under total cell is that each slave station carries out channel resource allocation, and channel resource allocation result is sent to each slave station of corresponding cell altogether, for it is described altogether under cell each slave station according to respective channel resource allocation as a result, carrying out dispatch channel resource to user under website.The embodiment of the present invention divides the function of master station and slave station, by the channel resource of master station United Dispatching slave station, then it is that dispatch channel resource is carried out to user under website by slave station, so as to avoid the interference of the signal between total cell, the complexity arranged net is simplified, slave station can be flexibly carried out and be total to cell combining and division.
Description
Technical field
The present invention relates to mobile communication field more particularly to a kind of cell resource scheduling method, master control station arrangement, slave station dresses
It sets and system.
Background technology
With the fast development of mobile Internet, many business need large capacity, height handle up with good mobile network into
Row is supported, such as visual telephone, Streaming Media, mobile payment etc..Most widely used at present is 3G and 4G communications, but 3G and 4G
Frequency range is compared with 900 frequency ranges of GSM, and system signal is decayed faster, and worse to the penetration performance of building, outdoor macro station is to interior
Covering, effect cannot meet the needs of present；For conventional chamber subsystem, most of is a single aerial system, cannot be protected well
Demonstrate,prove LTE (Long Term Evolution, long term evolution) MIMO (Multiple-Input Multiple-Output, multi input
Multiple output system) advantage application, influence indoor downstream rate；For current most of optical fiber distribution systems, it may appear that low noise
The problems such as lifting, time delay is excessive.
Smallcell white paper points out PNF (Physical Network Function, physical network function) and VNF
The division principle of (Virtual Network Function, virtual network function), primarily directed to classical protocols layer (PDCP
(Packet Data Convergence Protocol, Packet Data Convergence Protocol)/RLC ((Radio Link Control,
Radio link layer control protocol)/MAC (Media Access Control, medium access control)/PHY (physical
Layer, physical layer)) it is divided, the framework divided includes：CPRI (Common Public Radio Interface,
Common public radio interface), Split-PHY, MAC-PHY, Split-MAC, RLC/MAC, PDCP/RLC these typess.Time delay,
Bandwidth compares above-mentioned several frameworks, referring to table 1.
Table 1
It is found that the separation of PNF and VNF gets over the technical solution of bottom from upper table 1, carrying out Fronthaul, (forward direction returns
Pass) transmission when requirement can it is very high and bigger to bandwidth demand, required time delay is with regard to smaller；CPRI, Split-PHY this
Two ways needs transmission belt roomy, and time delay is low；MAC-PHY, although the bandwidth that both modes of Split-MAC need is reduced,
It can be total to cell, but be also required to low time delay, if in order to reduce transmission network delay requirement, it is desirable to reduce 1 uplink and downlink HARQ
(Hybrid Automatic Repeat request, hybrid automatic repeat-request) process, single user peak value can be affected；
And RLC/MAC, PDCP/RLC cannot be total to cell.
Invention content
In view of the above problems, the present invention, which provides, a kind of overcoming the above problem or solves the above problems at least partly small
Area resource dispatching method, master control station arrangement, slave station device and system.
One aspect of the present invention provides a kind of cell resource scheduling method, the method includes：
Determine the slave station for belonging to a total cell；
The user information that user is corresponded to according to each slave station under total cell is that each slave station carries out channel resource allocation, and will believe
Road resource allocation result is sent to each slave station of corresponding cell altogether, so that each slave station is provided according to respective channel under the cell altogether
Source allocation result carries out dispatch channel resource to user under website.
Wherein, it is that each slave station carries out channel resource point that the basis, which is total to each slave station under cell and corresponds to the user information of user,
Match, including：
The user information that user is corresponded to according to each slave station under total cell carries out public message to each slave station in the cell altogether
The distribution of transmission channel, wherein the public message transmission channel includes physical downlink control channel PDCCH；
According to the user information of each user in total cell, the control that the PDCCH is carried out to user in the cell altogether is believed
The distribution of road unit CCE, the user information include User Priority, dispatching requirement, number of users, flow and space isolation
Degree.
Wherein, the basis is total to the user information of each user in cell, and the PDCCH is carried out to user in the cell altogether
Control channel unit CCE distribution after, further include：
According to the user information of each slave station user under total cell, Physical Downlink Shared Channel PDSCH is carried out for each slave station
It is distributed with Physical Uplink Shared Channel PUSCH.
Wherein, the determination belongs to the slave station of a total cell, including：
Small Division is carried out to each slave station according to the conditions of demand of each cell, determines that conditions of demand meet same preset condition
Slave station belong to a total cell, wherein the conditions of demand include user capacity, coverage mode and handling capacity.
Wherein, the basis be total to slave station under cell correspond to user user information be slave station carry out channel resource allocation when
Between at the first time, the slave station according to channel resource allocation as a result, under website user carry out dispatch channel resource time
For the second time, the first time is than the second time advance predetermined time period.
Another aspect of the present invention provides a kind of cell resource scheduling method, the method includes：
Receive the channel resource allocation that issues of master station as a result, the channel resource allocation result be the master station according to
Currently slave station corresponds to the user information distribution of user under cell altogether；
According to the channel resource allocation as a result, carrying out dispatch channel resource to user under website.
Wherein, the channel resource allocation that the reception master station issues is as a result, include：
Receive the public message transmission channel allocation result that the master station issues and the physics that the master station issues
The control channel unit CCE allocation results of down control channel PDCCH, wherein public message transmission channel includes described
The CCE allocation results of PDCCH, the PDCCH are what the master station was distributed according to the user information of current slave station user,
The user information includes User Priority, dispatching requirement, number of users, flow and space isolation.
Wherein, described to receive the public message transmission channel allocation result and the master station that the master station issues
After the CCE allocation results of the PDCCH issued, the method further includes：
Receive the PDSCH that issues of master station and the PUSCH allocation results, wherein the PDSCH and described
PUSCH allocation results are what the master station was distributed according to the user information of current slave station user.
Wherein, it is described according to the channel resource allocation as a result, under website user carry out dispatch channel resource include：
The channel money of Physical Downlink Shared Channel PDSCH and Physical Uplink Shared Channel PUSCH is carried out to user under website
It dispatches in source.
Wherein, the method further includes：
The metrical information of each user equipment under monitoring station, and the metrical information is reported into the master station.
Wherein, the method further includes：
When carrying out down mixing self-retransmission request HARQ, determines whether active user and be assigned with the PDCCH, such as
Fruit is assigned with the PDCCH, then controls information DCI, scheduling weight according to the corresponding retransmission downlinks of the PDCCH and PDCCH
Required PDSCH when biography；If it is determined that not being that active user distributes PDCCH, then PDCCH is distributed for active user；
When carrying out ascending HARQ, if the corresponding cyclic redundancy check (CRC)s of PUSCH are data transmission fault, again
The PUSCH is dispatched to be retransmitted；If the corresponding cyclic redundancy check (CRC)s of PUSCH are that data transmission is correct, and active user
CCE is had been dispensed into, then carries out PUSCH scheduling.
Another aspect of the present invention, provides a kind of master control station arrangement, and described device includes multiple cell management subsystem
With total cell scheduling subsystem, wherein：
The multiple cell manages subsystem, for determining the slave station for belonging to a total cell；
The cell scheduling subsystem altogether, for according to each slave station under cell altogether corresponds to the user information of user for it is each from
It stands and carries out channel resource allocation, and channel resource allocation result is sent to each slave station of corresponding cell altogether, for described small altogether
Under area each slave station according to respective channel resource allocation as a result, under website user carry out dispatch channel resource.
Wherein, the cell scheduling subsystem altogether includes：
First total cell scheduling module, the user information for corresponding to user according to each slave station under cell altogether, to described total
Each slave station carries out the distribution of public message transmission channel in cell, wherein public message transmission channel includes physical down control
Channel PDCCH；
Second total cell scheduling module, for the user information according to each user in cell altogether, to being used in the cell altogether
Family carries out the distribution of the control channel unit CCE of the PDCCH, and the user information includes User Priority, dispatching requirement, use
Amount amount, flow and space isolation.
Wherein, the cell scheduling subsystem altogether further includes：
Third is total to cell scheduling module, for according to altogether under cell each slave station user user information, be each slave station into
Row Physical Downlink Shared Channel PDSCH and Physical Uplink Shared Channel PUSCH distribution.
Another aspect of the present invention provides one kind from station arrangement, and described device includes：
Receiving submodule, for receiving channel resource allocation that master station issues as a result, the channel resource allocation result
It is the user information distribution that master station corresponds to user according to current slave station under cell altogether；
Submodule is dispatched, is used for according to the channel resource allocation as a result, carrying out dispatch channel resource to user under website.
Another aspect of the present invention provides a kind of cell resource scheduling system, and the system comprises above-mentioned master stations
Device and from station arrangement.
The technical solution provided in the embodiment of the present application, at least has the following technical effects or advantages：
Cell resource scheduling system provided in an embodiment of the present invention, the function of master station and slave station is divided, by leading
Then the channel resource of control station United Dispatching slave station is to carry out dispatch channel resource to user under website by slave station, to avoid
The interference of signal between total cell, simplifies the complexity arranged net, and can flexibly carry out slave station and be total to cell combining
And division.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, below the special specific implementation mode for lifting the present invention.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is a kind of flow chart of cell resource scheduling method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another cell resource scheduling method provided in an embodiment of the present invention；
Fig. 3 master station schematic devices provided in an embodiment of the present invention；
Fig. 4 slave station schematic devices provided in an embodiment of the present invention；
Fig. 5 is a kind of cell resource scheduling system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 6 diagrams of cell timing altogether provided in an embodiment of the present invention are intended to.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
The embodiment of the present invention divides the function of master station and slave station, and PDCCH channels are distributed unitedly by master station
CCE resources, the available PDSCH and PUSCH scope of resource of universal formulation slave station, and PDSCH and PUSCH scheduling all by slave station
Management, so as to avoid the interference of the signal between total cell, simplify the complexity arranged net, and can flexibly carry out from
It stands and is total to cell combining and division, while having taken into account the requirement of transmission bandwidth and time delay, ensure that the transmission rate of single user can also reach
To desired peak.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
Fig. 1 diagrammatically illustrates a kind of flow chart of cell resource scheduling method of one embodiment of the invention.With reference to figure
1, the embodiment of the present invention specifically includes following steps：
S101：Master station determines the slave station for belonging to a total cell.
Wherein, master station determines that the slave station mode for belonging to a total cell includes：According to the conditions of demand pair of each cell
Each slave station carries out small Division, determines that conditions of demand meet the slave station of same preset condition and belong to a total cell, wherein described
Conditions of demand include user capacity, coverage mode and handling capacity.It in other embodiments of the invention can also integration engineering situation
Cell is divided, other equivalent alternatives each fall within protection scope of the present invention.
S102：The master station is that each slave station carries out channel according to the user information that each slave station corresponds to user under cell altogether
Resource allocation, and channel resource allocation result is sent to each slave station for corresponding to cell altogether, for each slave station under the cell altogether
According to respective channel resource allocation as a result, carrying out dispatch channel resource to user under website.
Specifically, altogether under cell each slave station according to respective dispatch channel resource as a result, carrying out channel to user under website
Scheduling of resource is realized by following steps：Altogether under cell each slave station according to respective dispatch channel resource as a result, in corresponding letter
In road resource area, private resource Physical Downlink Control Channel PDSCH and control channel unit PUSCH is carried out to user under website
Dispatch channel resource, wherein slave station dispatch PDSCH and PUSCH during, should avoid and carry public message PDSCH money
Source clashes, and also to ensure to carry out scheduling of resource in the regions PDSCH and PUSCH that master station divides.
Wherein, the master station in step S102 is each according to the user information that each slave station corresponds to user under cell altogether
Slave station carries out dispatch channel resource, further comprises the following contents：The first, the described master station is corresponded to according to each slave station under cell altogether
The user information of user, each slave station carries out the distribution of public message transmission channel in cell to described altogether, wherein described public to disappear
It includes physical downlink control channel PDCCH to cease transmission channel；The second, the described master station is believed according to the user of each user in cell altogether
Breath carries out user in the cell altogether the distribution of the control channel unit CCE of the PDCCH, and the user information includes using
Family priority, dispatching requirement, number of users, flow and space isolation, wherein the master station is according to slave station pair under cell altogether
It is that at the first time, the slave station is according to channel resource point that user information using family, which is the time of slave station progress channel resource allocation,
With as a result, carrying out the time of dispatch channel resource for the second time, when the first time is than described second to user under website
Between preset in advance time span.
The master station is according to the user information for being total to each user in cell, described in user's progress in the cell altogether
After the distribution of the control channel unit CCE of PDCCH, the method further includes：
Third, the master station carry out for each slave station under physics according to the user information of each slave station user under cell altogether
The shared channel PDSCH of row and Physical Uplink Shared Channel PUSCH distribution.
Wherein, master station is periodically adjusted distribution to the channel of PDSCH and PUSCH, and the standard of distribution can be with base
In slave station number of users, the mode of flow and User Priority, distribution can be carried out in a manner of space isolation, for space every
The total cell slave station enough from degree, can distribute PDSCH the and PUSCH resources of overlapping.
In the present embodiment, before slave station carries out dispatch channel resource to user under website, the master station is according to cell altogether
In each user User Priority and dispatching requirement, the preset in advance period, user carried out public message biography in cell to described altogether
The distribution of defeated channel and the control channel unit CCE of physical downlink control channel PDCCH, since master station is advanced by the predetermined time
The control channel unit CCE of public message and physical downlink control channel PDCCH is distributed, therefore can effectively be subtracted
Transmission network time delay is lacked.
In embodiments of the present invention, master station can be preferential according to the number of users of each slave station, flow, user under total cell
The real-time change of grade or space isolation periodically adjusts the channel resource allocation to the PDSCH and PUSCH of corresponding slave station, with
Realize the rational management of the channel resource of PDSCH and PUSCH.
Cell resource scheduling method provided in an embodiment of the present invention, the function of master station and slave station is divided, by leading
Then the channel resource of control station United Dispatching slave station is to carry out dispatch channel resource to user under website by slave station, to avoid
The interference of signal between total cell, simplifies the complexity arranged net, and can flexibly carry out slave station and be total to cell combining
And division.
Fig. 2 diagrammatically illustrates the flow chart of another cell resource scheduling method provided by one embodiment of the present invention.
With reference to Fig. 2, the embodiment of the present invention specifically includes following steps：
The channel resource allocation that S21, reception master station issue is as a result, the channel resource allocation result is the master station
The user information distribution of user is corresponded to according to current slave station under total cell, specifically includes following steps：
Receive the public message transmission channel allocation result that the master station issues and the physics that the master station issues
The control channel unit CCE allocation results of down control channel PDCCH, wherein public message transmission channel includes described
The CCE allocation results of PDCCH, the PDCCH are what the master station was distributed according to the user information of current slave station user,
The user information includes User Priority, dispatching requirement, number of users, flow and space isolation.
What the public message transmission channel allocation result and the master station that the reception master station issues issued
After the CCE allocation results of the PDCCH, the method further includes：
Receive the PDSCH that issues of master station and the PUSCH allocation results, wherein the PDSCH and described
PUSCH allocation results are what the master station was distributed according to the user information of current slave station user.
It is described according to the channel resource allocation as a result, under website user carry out dispatch channel resource include：
The channel money of Physical Downlink Shared Channel PDSCH and Physical Uplink Shared Channel PUSCH is carried out to user under website
It dispatches in source.
S22, according to the channel resource allocation as a result, under website user carry out dispatch channel resource.
In this embodiment of the invention, the method is further comprising the steps of：Each user equipment under monitoring station
Metrical information, and the metrical information is reported into the master station, so that the master station is surveyed according to the period reported
Amount information determine the slave station belonging to each user equipment, wherein period measurement information can include but is not limited to power, the time with
And angle information.In the present embodiment, the period measurement information by monitoring user equipment in real time determines the positioning of user equipment
Information, and then accurately confirm slave station of the user equipment belonging to current location.
Cell resource scheduling method provided in an embodiment of the present invention, the function of master station and slave station is divided, by leading
Control station United Dispatching public message transmission channel and PDCCH channels CCE resources, the available PDSCH of universal formulation slave station and
PUSCH scope of resource, PDSCH and PUSCH scheduling are all by from station administration, so as to avoid doing for the signal between total cell
It disturbs, simplifies the complexity arranged net, can flexibly carry out slave station and be total to cell combining and division.
In another embodiment of the invention, when carrying out down mixing self-retransmission request HARQ, the method is also wrapped
It includes：When slave station, which carries out down mixing self-retransmission, asks HARQ, slave station determine whether active user be assigned with it is described
PDCCH controls information if being assigned with the PDCCH according to the corresponding retransmission downlinks of the PDCCH and PDCCH
DCI, when Schedule retransmission required PDSCH；If it is determined that not being that active user distributes PDCCH, then distributed for active user
PDCCH.Specifically, for downlink HARQ procedure, after slave station receives downstream feedback, it just can determine that the Down Procedure of user whether may be used
With if downstream feedback is to confirm that character ACK, slave station receive the corresponding CCE resources of PDCCH that main website distributes to the user
Afterwards, PDSCH new biographies are distributed, while organizing the Downlink Control Information DCI of new biography；If downstream feedback is non-ACK, downlink HARQ processes
It needs to retransmit, then after slave station receives the corresponding CCE resources of PDCCH that main website distributes to the user, carries out PDSCH retransfer schedulings,
And on corresponding CCE, the PDCCH that instruction retransmits is sent；If corresponding user delays scheduling without distribution CCE resources.
When carrying out ascending HARQ, if the corresponding cyclic redundancy check (CRC)s of PUSCH are data transmission fault, again
The PUSCH is dispatched to be retransmitted；If the corresponding cyclic redundancy check (CRC)s of PUSCH are that data transmission is correct, and active user
CCE is had been dispensed into, then carries out PUSCH scheduling.Specifically, when slave station receives the cyclic redundancy check (CRC) mistake of PUSCH, then
Non-adaptive re-transmission is carried out, if the CRC for receiving PUSCH is correct, and is assigned to CCE resources on corresponding user, is then carried out
PUSCH new biographies are dispatched.
In embodiments of the present invention, since the process of HARQ, the scheduling of PDSCH and the scheduling of PUSCH are all by slave station pipe
Reason, so without sacrificing the HARQ of downlink or uplink into number of passes so that single user can reach theoretical peak.
Cell resource scheduling method provided by the invention is explained below by a specific embodiment.
Specifically include following realization step：
(1) master station is divided and is managed to multiple cells, determines the slave station for belonging to a total cell, specifically,
If slave station supports a total cell, all slave stations to belong to same cells；If there is multiple cells, then there is N1 slave station category
In cell 1, N2 slave station belongs to cell 2, and N3 slave station belongs to cell 3, so analogize.
(2) master station carries out when uplink and downlink after domain scheduling, according to user situation, distributes control channel resource unitedly.Such as exist
In LTE network, master station distributes the CCE resources of PDCCH unitedly.Such as the user in a cell, master station distributes M1
The CCE of the PDCCH of user ensures that the CCE resources of the PDCCH in a cell are not in overlapping, and the CCE of PDCCH is provided
Source is sent to slave station；
(3) after slave station receives the PDCCH resource of M1 user of master station distribution, to M1 user progress PDSCH resources
With PUSCH resource allocations.
(4) downlink HARQ is retransmitted, slave station is retransmitted according to the PDCCH resource that master station distributes, if there is PDCCH
Resource, then the PDSCH of Schedule retransmission, while sending and retransmitting DCI, the HARQ sequential of guarantee；If without PDCCH resource, etc.
Wait for next re-transmission.
(5) ascending HARQ is retransmitted, using non-adaptive retransmission scheme, without waiting for PDCCH resource, in scheduling process
In avoid PUSCH resource contentions.
A kind of cell resource scheduling method provided in an embodiment of the present invention has carried out stroke the function of master station and slave station
Point, public message transmission channel and the CCE resources of PDCCH are distributed unitedly by master station, master station universal formulation slave station is available
PDSCH and PUSCH scope of resource, and HARQ procedure, PDSCH and PUSCH scheduling all by from station administration, avoid total cell it
Between interference, while taking into account transmission requirement so that single user can also reach desired peak, and simplify the complexity arranged net,
Can flexibly carry out slave station is total to cell combining and division simultaneously, while having taken into account transmission bandwidth requirement, and can ensure list
The transmission rate of user can also reach desired peak.
For embodiment of the method, for simple description, therefore it is all expressed as a series of combination of actions, but this field
Technical staff should know that the embodiment of the present invention is not limited by the described action sequence, because implementing according to the present invention
Example, certain steps can be performed in other orders or simultaneously.Next, those skilled in the art should also know that, specification
Described in embodiment belong to preferred embodiment, necessary to the involved action not necessarily embodiment of the present invention.
Fig. 3 master station schematic devices provided in an embodiment of the present invention, as shown in figure 3, the master station dress in the present embodiment
It sets 300 and includes multiple cell management subsystem 301 and total cell scheduling subsystem 303, wherein：
The multiple cell manages subsystem 301, for determining the slave station for belonging to a total cell；
The cell scheduling subsystem 303 altogether, for being every according to each slave station corresponds to the user information of user under cell altogether
One slave station carries out channel resource allocation, and channel resource allocation result is sent to each slave station of corresponding cell altogether, for described
Altogether under cell each slave station according to respective channel resource allocation as a result, carrying out dispatch channel resource to user under website.
Specifically, the multiple cell manages subsystem 301, it is small for being carried out to each slave station according to the conditions of demand of each cell
Division determines that conditions of demand meet the slave station of same preset condition and belong to a total cell, wherein the conditions of demand include
User capacity, coverage mode and handling capacity.
Cell scheduling subsystem 303 altogether, for according to the slave station user information of each slave station under cell altogether be each slave station into
Row channel resource allocation, and channel resource allocation result is sent to by corresponding cell altogether by the communication switch system 305
Each slave station.
In embodiments of the present invention, the cell scheduling subsystem altogether includes the first cell scheduling module, second small altogether altogether
Area's scheduler module and third are total to cell scheduling module, wherein：
First total cell scheduling module, the user information for corresponding to user according to each slave station under cell altogether, to described total
Each slave station carries out the distribution of public message transmission channel in cell, wherein the public message transmission channel includes physical down
Control channel PDCCH；
Second cell scheduling module altogether, according to the user information of each user in total cell, to user in the cell altogether into
The distribution of the control channel unit CCE of the row PDCCH, the user information includes User Priority, dispatching requirement, number of users
Amount, flow and space isolation；
Third is total to cell scheduling module, and according to the user information of each slave station user under total cell, object is carried out for each slave station
Manage DSCH Downlink Shared Channel PDSCH and Physical Uplink Shared Channel PUSCH distribution.
In the present embodiment, it is that slave station carries out channel resource point that the basis, which is total to slave station under cell and corresponds to the user information of user,
The time matched is that at the first time, the slave station is according to channel resource allocation as a result, carrying out dispatch channel resource to user under website
Time be the second time, the first time is than the second time advance predetermined time period.
Master control station arrangement provided in an embodiment of the present invention, for completing to public resource unified allocation of resources, such as the cell in LTE
The CCE resource allocations that interior PDCCH is used, and PDSCH and PUSCH resources used in slave station are divided, in cell
How domain scheduling when the progress of user selects slave station to be managed user, i.e., by the letter of master control station arrangement United Dispatching slave station
Then road resource is to carry out dispatch channel resource to user under website by slave station, so as to avoid the signal between total cell
Interference, simplifies the complexity arranged net, and can flexibly carry out slave station and be total to cell combining and division.
A kind of slave station schematic device that Fig. 4 embodiment of the present invention is provided, as shown in figure 4, described include from station arrangement
There is service resources scheduler subsystem 401, which includes receiving submodule and scheduling submodule,
In：
The receiving submodule：For receiving channel resource allocation that master station issues as a result, the channel resource allocation
The result is that master station corresponds to the user information distribution of user according to current slave station under cell altogether；
The scheduling submodule：For according to the channel resource allocation as a result, under website user carry out channel resource
Scheduling.
In embodiments of the present invention, the receiving submodule, is specifically used for：Receive the public message that the master station issues
CCE points of the control channel unit for the physical downlink control channel PDCCH that transmission channel allocation result and the master station issue
With result, wherein public message transmission channel includes the PDCCH, and the CCE allocation results of the PDCCH are the master
Control station is distributed according to the user information of current slave station user, and the user information includes User Priority, dispatching requirement, user
Quantity, flow and space isolation；Receive the PDSCH and the PUSCH allocation results that master station issues, wherein described
PDSCH and the PUSCH allocation results are what the master station was distributed according to the user information of current slave station user.
The scheduling submodule：Specifically for user progress Physical Downlink Shared Channel PDSCH under website and physically
Row shares the dispatch channel resource of channel PUSCH wherein, the service resources scheduling sublayer in slave station arrangement 306 under the cell altogether
System 401 is specifically used for the dispatch channel resource according to PDSCH and PUSCH as a result, to station in corresponding channel resource region
The lower user of point carries out the dispatch channel resource of PDSCH and PUSCH.
In another embodiment of the invention, the described first cell scheduling module altogether, additionally it is possible to according under total cell respectively from
The real-time change of number of users, flow, User Priority and the space isolation stood, periodically adjustment is to corresponding slave station
The dispatch channel resource of PDSCH and PUSCH.
It is disclosed by the embodiments of the present invention from station arrangement, PDSCH the and PUSCH scheduling of resource pipes for completing user under website
Reason；Uplink and downlink HARQ management；And user power measures and positioning.It, can when by the above-mentioned realization in-door covering from station arrangement
To use inexpensive transmission network, indoor wireless coverage is completed, reduces requirement of the transmission network to time delay and bandwidth, meets room
Interior covering, cell and the demand of cell splitting, improve the overall system throughput of internal home network, while not interfering with single user altogether
Peak rate.
Referring to Fig. 4, the slave station further includes user's positioning measurement subsystem 402, is set for each user under monitoring station
Standby metrical information, and the metrical information is reported into the master station, so that the master station is according to the period reported
Metrical information determines the slave station belonging to each user equipment.
Correspondingly, referring to Fig. 3, master station further includes location of user equipment management module subsystem 302, for according to respectively from
The period measurement information that station reports determines the slave station belonging to each user equipment.
In embodiments of the present invention, service resources scheduler subsystem 401 is additionally operable to ask when progress down mixing self-retransmission
It when seeking HARQ, determines whether active user and is assigned with the PDCCH, if being assigned with the PDCCH, according to
The corresponding retransmission downlinks of the PDCCH and PDCCH control information DCI, when Schedule retransmission required PDSCH；If it is determined that no
PDCCH is distributed for active user, then distributes PDCCH for active user.
Service resources scheduler subsystem 401 is additionally operable to when carrying out ascending HARQ, if the corresponding cyclic redundancies of PUSCH
Check (CRC) is data transmission fault, then reschedules the PUSCH and retransmitted；If the corresponding cyclic redundancy check of PUSCH
CRC is that data transmission is correct, and active user has been dispensed into CCE, then carries out PUSCH scheduling.
It is disclosed by the embodiments of the present invention from station arrangement, PDSCH the and PUSCH scheduling of resource pipes for completing user under website
Reason, uplink and downlink HARQ management, user power measures and positioning.When by the above-mentioned realization in-door covering from station arrangement, it can make
With inexpensive transmission network, indoor wireless coverage is completed, reduces requirement of the transmission network to time delay and bandwidth, meets interior and cover
Lid, cell and the demand of cell splitting, improve the overall system throughput of internal home network, while not interfering with the peak of single user altogether
It is worth rate.
Fig. 5 is a kind of cell resource scheduling system architecture schematic diagram provided in an embodiment of the present invention, as shown in figure 5, described
Cell resource scheduling system includes master control station arrangement 300 and slave station arrangement 306 as shown in Figure 4 as shown in Figure 3, described
It is connected from station arrangement and the user equipment 501.
In the specific embodiment of the present invention, the structure of master control station arrangement 300 is as shown in figure 3, include：Multiple cell
Manage subsystem 301, location of user equipment management subsystem 302, altogether cell scheduler subsystem 303, altogether cell L3 stratons system
System 304.
Multiple cell manages subsystem 301, for carrying out division management to multiple cells, specifically, to slave station division of cells,
If there is multiple cells, then N1 slave station is divided into cell 1, N2 slave station is divided into cell 2, and N3 slave station is divided into cell
3, so analogize.Dividing mode includes：According to user capacity situation, small Division is carried out；It is carried out according to engineering coverage mode small
Division；Small Division is carried out according to the methods of user, system throughput and project situation synthesis.
Location of user equipment manages subsystem 302, for monitoring each slave station user's positioning measurement subsystem in real time
The user equipment period measurement information of report, period measurement information can include but is not limited to：Power, time and angle information,
Wherein, the service main website for providing period measurement information is slave station where user.
Cell scheduler subsystem 303 altogether is used for the distribution of cell public message, such as the PBCH in LTE system
(Physical Broadcast Channel, broadcast channel), PSS (Primary Synchronization signal, it is main same
Walk signal), SSS (Secondary Synchronization signal, secondary synchronization signal), SIB, PCFICH (Physical
Control Format Indicator Channel, Physical Control Format Indicator Channel), PHICH (Physical hybrid-
ARQ Indicator Channel, physical mixing retransmission indicating chanel) and PDCCH, described PSS, SSS and SIB are on PDSCH
It sends；User's selection is carried out, and the CCE that PDCCH is carried out to user is distributed unitedly；The resource-areas PDSCH and PUSCH are carried out to slave station
Between divide, the range that specified slave station PDSCH and PUSCH can be dispatched, the method for salary distribution can be based on slave station number of users, flow and
User Priority, the modes such as space isolation carry out, and for the total cell slave station that space isolation is enough, can distribute overlapping
PDSCH and PUSCH RE resources.
Cell L3 layer subsystems 304 altogether, data are fallen caused by the receiving and the selection of user's slave station for managing community user
It changes.
In embodiments of the present invention, from the structure of station arrangement 306 as shown in figure 4, including：User's positioning measurement subsystem
401, PDCP, RLC, DMAC, service resources scheduler subsystem 402, PHY403.
User's positioning measurement subsystem 401, for carrying out position measurement to slave station user, and report measurement results are to master control
It stands.Period measurement information can include but is not limited to：Power, time and angle information.
PDCP, RLC, DMAC are responsible for L2 layers of (data link layer) data transmissions of LTE, and wherein LTE L2 are from top to bottom successively
For DMAC, RLC, PDCP；
Service resources scheduler subsystem 402, for PDSCH scheduling, PUSCH scheduling, physical layer procedure, HARQ, AMC
(Adaptive Modulation and Coding, Adaptive Modulation and Coding) and power control.
PHY403, for carrying out physical layer encoding and decoding and wireless signal transmitting-receiving.
The communication switching subsystem 203, for the data interaction between the slave station and master station.The communication exchanges
Subsystem is realized using general ethernet switched network system, can effectively reduce engineering construction difficulty and equipment cost,
General switch may be used in wherein used interchanger.
System provided in an embodiment of the present invention effectively lowers the delay requirement and bandwidth requirement of transmission,
Master station and slave station processing step are as follows：
(1) master control station arrangement 300 is according to the user of slave station, flow and coverage condition under total cell, period modulation slave station
PDSCH and PUSCH resources divide；
(2) master control station arrangement 300 shifts to an earlier date T (ms) times than slave station and is allocated to common signal channel, including PBCH,
PSS, SSS, SIB, PCFICH, PHICH and PDCCH, described PSS, SSS and SIB are sent on PDSCH.By under total cell
User Priority and dispatching requirement assessed, select M user.According to the demand of M user, the CCE tune of PDCCH is carried out
Degree.Since public resource is distributed unitedly by master station, it ensure that downlink public message in all DP for being total to cells
(Distribution Point, distributing point) is all identical, meets cell requirement altogether.Master station distributes common signal channel and ties
Fruit, user PDCCH CCE allocation results be sent to the slave station of corresponding work cell.
(3) slave station carries out user after the CCE allocation results for receiving common signal channel allocation result, user PDCCH
PDSCH and PUSCH are scheduled.Wherein, it in slave station scheduling PDSCH and PUSCH, avoids rushing with the PDSCH resources of public message
It is prominent, while carrying out scheduling of resource in the regions PDSCH and PUSCH that master station divides.
(4) for downlink HARQ procedure, after slave station receives downstream feedback, it just can determine that the Down Procedure of user whether may be used
With, if downstream feedback is ACK, after slave station receives the corresponding CCE resources of PDCCH that main website distributes to the user, scheduling
PDSCH new biographies, while organizing the DCI of new biography；If downstream feedback is non-ACK, downlink HARQ processes need to retransmit, then slave station receives
After main website distributes to the corresponding CCE resources of PDCCH of the user, PDSCH retransfer schedulings are carried out, and on corresponding CCE, sent
Indicate the PDCCH retransmitted；If corresponding user is not allocated to CCE resources, scheduling is delayed.
(5) for ascending HARQ process, the cyclic redundancy check (CRC) that slave station receives PUSCH is mistake, then carries out non-adaptive
It should retransmit；If the CRC for receiving PUSCH is correct, while if on corresponding user, being assigned to CCE resources, then carrying out
PUSCH new biographies are dispatched.
Wherein, the total cell timing figure of above-mentioned processing procedure is as shown in Figure 6, wherein PHY is responsible for physical layer encoding and decoding and nothing
Line signal transmitting and receiving.
The cell resource scheduling system that the embodiment of the present invention is provided, due to completing L1 (physical layer) and L2 layers by slave station
The data processing of (data link layer), so its transmission bandwidth is close with grid bandwidth, if the frequency division of 20MHz bandwidth is double
Work FDD LTE single-carrier systems, uplink and downlink network bandwidth are 150Mbps and 50Mbps, due to master station to public message and
The CCE message of user carried out in advance the T moment dispatch, as long as then the time delay of transmission network be less than the T moment, then can meet transmit want
It asks.Due to the master station period trigger public message forward scheduling, it is possible to the T values of forward scheduling are very big, theoretically not by
Limitation；For the CCE forward schedulings of the PDCCH of user, moment T is bigger in advance, and the influence to the delay variation of network side is bigger,
T time is set in the case of it can be considered to the influence to TCP network jitters, it is preferred that setting ranging from 10ms to 50ms.
Since forward scheduling T time is larger, transmission network delay requirement is effectively reduced.Due to HARQ procedure, PDSCH and PUSCH
Scheduling all has from station administration, so without sacrificing the HARQ of downlink or uplink into number of passes so that single user can reach theoretical peak
Value.
For system embodiments, since it is basically similar to the method embodiment, so fairly simple, the correlation of description
Place illustrates referring to the part of embodiment of the method.
Provided herein emulation mode and display not with the intrinsic phase of any certain computer, virtual system or miscellaneous equipment
It closes.Various general-purpose systems can also be used together with teaching based on this.As described above, this kind of system is constructed to be wanted
The structure asked is obvious.In addition, the present invention is not also directed to any certain programmed language.It should be understood that can utilize each
Kind programming language realizes the content of invention described herein, and the description done above to language-specific is to disclose this
The preferred forms of invention.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it should be understood that in order to simplify the disclosure and help to understand one or more of each inventive aspect,
Above in the description of exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：It is i.e. required to protect
Shield the present invention claims the more features of feature than being expressly recited in each claim.More precisely, as following
Claims reflect as, inventive aspect is all features less than single embodiment disclosed above.Therefore,
Thus the claims for following specific implementation mode are expressly incorporated in the specific implementation mode, wherein each claim itself
All as a separate embodiment of the present invention.
Those skilled in the art, which are appreciated that, to carry out adaptively the module in the equipment in embodiment
Change and they are arranged in the one or more equipment different from the embodiment.It can be the module or list in embodiment
Member or component be combined into a module or unit or component, and can be divided into addition multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it may be used any
Combination is disclosed to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so to appoint
Where all processes or unit of method or equipment are combined.Unless expressly stated otherwise, this specification (including adjoint power
Profit requires, abstract and attached drawing) disclosed in each feature can be by providing the alternative features of identical, equivalent or similar purpose come generation
It replaces.
In addition, it will be appreciated by those of skill in the art that although some embodiments in this include institute in other embodiments
Including certain features rather than other feature, but the combination of the feature of different embodiment means to be in the scope of the present invention
Within and form different embodiments.For example, in the following claims, embodiment claimed it is arbitrary it
One mode can use in any combination.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference mark between bracket should not be configured to limitations on claims.Word "comprising" does not exclude the presence of not
Element or step listed in the claims.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of several different elements and being come by means of properly programmed computer real
It is existing.In the unit claims listing several devices, several in these devices can be by the same hardware branch
To embody.The use of word first, second, and third does not indicate that any sequence.These words can be explained and be run after fame
Claim.
Claims (16)
1. a kind of cell resource scheduling method, which is characterized in that the method includes：
Determine the slave station for belonging to a total cell；
The user information that user is corresponded to according to each slave station under total cell is that each slave station carries out channel resource allocation, and channel is provided
Source allocation result is sent to each slave station of corresponding cell altogether, so that each slave station divides according to respective channel resource under the cell altogether
With as a result, carrying out dispatch channel resource to user under website.
2. according to the method described in claim 1, it is characterized in that, the basis is total to the user that each slave station under cell corresponds to user
Information is each slave station progress channel resource allocation, including：
The user information that user is corresponded to according to each slave station under total cell carries out public message transmission to each slave station in the cell altogether
The distribution of channel, wherein the public message transmission channel includes physical downlink control channel PDCCH；
According to the user information of each user in total cell, the control channel list of the PDCCH is carried out to user in the cell altogether
The distribution of first CCE, the user information include User Priority, dispatching requirement, number of users, flow and space isolation.
3. right according to the method described in claim 2, it is characterized in that, the basis is total to the user information of each user in cell
It is described to be total to after the distribution of control channel unit CCE that user in cell carries out the PDCCH, further include：
According to the user information of each slave station user under total cell, Physical Downlink Shared Channel PDSCH and object are carried out for each slave station
Manage Uplink Shared Channel PUSCH distribution.
4. according to the method described in claim 1, it is characterized in that, the determination belongs to the slave station of a total cell, including：
Small Division is carried out to each slave station according to the conditions of demand of each cell, determine conditions of demand meet same preset condition from
Station belongs to a total cell, wherein the conditions of demand include user capacity, coverage mode and handling capacity.
5. according to the method described in claim 2, it is characterized in that, the basis is total to user's letter that slave station under cell corresponds to user
It is first time that breath, which is the time that slave station carries out channel resource allocation, and the slave station is according to channel resource allocation as a result, to website
The time that lower user carries out dispatch channel resource was the second time, and the first time is than the second time advance preset time
Length.
6. a kind of cell resource scheduling method, which is characterized in that the method includes：
The channel resource allocation that master station issues is received as a result, the channel resource allocation result is that the master station is small according to being total to
Current slave station corresponds to the user information distribution of user under area；
According to the channel resource allocation as a result, carrying out dispatch channel resource to user under website.
7. according to the method described in claim 6, it is characterized in that, the channel resource allocation knot for receiving master station and issuing
Fruit, including：
Receive the public message transmission channel allocation result that the master station issues and the physical down that the master station issues
The control channel unit CCE allocation results of control channel PDCCH, wherein public message transmission channel includes the PDCCH, institute
State what the CCE allocation results of PDCCH were distributed for the master station according to the user information of current slave station user, the user
Information includes User Priority, dispatching requirement, number of users, flow and space isolation.
8. the method according to the description of claim 7 is characterized in that the public message transmission for receiving the master station and issuing
Channel distribution is as a result, and after the CCE allocation results of the PDCCH that issue of the master station, the method is also wrapped
It includes：
Receive the PDSCH and the PUSCH allocation results that master station issues, wherein the PDSCH and PUSCH points
It is what the master station was distributed according to the user information of current slave station user with result.
9. according to the method described in claim 8, it is characterized in that, it is described according to the channel resource allocation as a result, to website
Lower user carries out dispatch channel resource：
The channel resource tune of Physical Downlink Shared Channel PDSCH and Physical Uplink Shared Channel PUSCH is carried out to user under website
Degree.
10. according to the method described in claim 6, it is characterized in that, the method further includes：
The metrical information of each user equipment under monitoring station, and the metrical information is reported into the master station.
11. according to the method described in claim 6, it is characterized in that, the method further includes：
When carrying out down mixing self-retransmission request HARQ, determines whether active user and be assigned with the PDCCH, if point
The PDCCH is matched, then information DCI has been controlled according to the corresponding retransmission downlinks of the PDCCH and PDCCH, when Schedule retransmission
Required PDSCH；If it is determined that not being that active user distributes PDCCH, then PDCCH is distributed for active user；
When carrying out ascending HARQ, if the corresponding cyclic redundancy check (CRC)s of PUSCH are data transmission fault, reschedule
The PUSCH is retransmitted；If the corresponding cyclic redundancy check (CRC)s of PUSCH are that data transmission is correct, and active user is
It is assigned to CCE, then carries out PUSCH scheduling.
12. a kind of master control station arrangement, which is characterized in that including multiple cell management subsystem and total cell scheduling subsystem, wherein：
The multiple cell manages subsystem, for determining the slave station for belonging to a total cell；
The cell scheduling subsystem altogether, for according to each slave station under cell altogether corresponds to the user information of user for each slave station into
Row channel resource allocation, and channel resource allocation result is sent to each slave station for corresponding to cell altogether, under the cell altogether
Each slave station is according to respective channel resource allocation as a result, carrying out dispatch channel resource to user under website.
13. device as claimed in claim 12, which is characterized in that it is described altogether cell scheduling subsystem include：
First total cell scheduling module, the user information for corresponding to user according to each slave station under cell altogether, to the cell altogether
In each slave station carry out the distribution of public message transmission channel, wherein public message transmission channel includes Physical Downlink Control Channel
PDCCH；
Second cell scheduling module altogether, for the user information according to each user in cell altogether, to user in the cell altogether into
The distribution of the control channel unit CCE of the row PDCCH, the user information includes User Priority, dispatching requirement, number of users
Amount, flow and space isolation.
14. device as claimed in claim 13, which is characterized in that it is described altogether cell scheduling subsystem further include：
Third is total to cell scheduling module, and for the user information according to each slave station user under cell altogether, object is carried out for each slave station
Manage DSCH Downlink Shared Channel PDSCH and Physical Uplink Shared Channel PUSCH distribution.
15. a kind of from station arrangement, which is characterized in that including：
Receiving submodule, for receiving channel resource allocation that master station issues as a result, the channel resource allocation is the result is that main
Control station corresponds to the user information distribution of user according to current slave station under cell altogether；
Submodule is dispatched, is used for according to the channel resource allocation as a result, carrying out dispatch channel resource to user under website.
16. a kind of cell resource scheduling system, which is characterized in that include the master control as described in any one of claim 12 to 14
Station arrangement and as claimed in claim 15 from station arrangement.
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| CN201810019878.8A CN108366425B (en) | 2018-01-09 | 2018-01-09 | Cell resource scheduling method, master control station device, slave station device and system |
| PCT/CN2018/125517 WO2019137261A1 (en) | 2018-01-09 | 2018-12-29 | Cell resource scheduling method, master control station device, slave station device and system |
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| CN201810019878.8A CN108366425B (en) | 2018-01-09 | 2018-01-09 | Cell resource scheduling method, master control station device, slave station device and system |
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Cited By (4)
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| WO2019137261A1 (en) * | 2018-01-09 | 2019-07-18 | 京信通信系统（中国）有限公司 | Cell resource scheduling method, master control station device, slave station device and system |
| CN111385744A (en) * | 2018-12-27 | 2020-07-07 | 杭州潇楠科技有限公司 | Dynamic channel access method based on polling |
| WO2020238787A1 (en) * | 2019-05-24 | 2020-12-03 | 中兴通讯股份有限公司 | Method and device for scheduling supercell, centralized scheduler, and distributed scheduler |
| CN112261715A (en) * | 2020-10-16 | 2021-01-22 | 锐迪科（重庆）微电子科技有限公司 | Synchronization method, device and system for indoor distribution communication system |
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| CN113993140B (en) * | 2020-07-27 | 2023-08-08 | 大唐移动通信设备有限公司 | Method, equipment and device for optimizing utilization rate of physical resource block PRB |
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| WO2019137261A1 (en) | 2019-07-18 |
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