CN108880778A - The cooperative method, apparatus of TDD and FDD and computer equipment - Google Patents
The cooperative method, apparatus of TDD and FDD and computer equipment Download PDFInfo
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- CN108880778A CN108880778A CN201710344594.1A CN201710344594A CN108880778A CN 108880778 A CN108880778 A CN 108880778A CN 201710344594 A CN201710344594 A CN 201710344594A CN 108880778 A CN108880778 A CN 108880778A
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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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
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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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Abstract
A kind of cooperative method, apparatus of TDD and FDD provided by the invention and computer equipment, according to application scenarios, selection needs support the cooperative interface board of TDD and FDD and the corresponding respective protocol type of micro- remote radio unit (RRU)；When TDD and FDD shares master control, is established by control channel and compatible TDD and FDD is requested to work together；Micro- remote radio unit (RRU) carries out unified regulation to the respective inphase quadrature resource distribution of TDD and FDD；TDD the and FDD message received is handled by TDDFDD concurrent state machine.The present invention is corresponded in unified process in micro- remote radio unit (RRU) by integrating in TDD and FDD corresponding respectively workflow under the scene that TDD and FDD share micro- remote radio unit (RRU), realizes the co-operation of TDD and FDD, save hardware resource and cost.
Description
Technical field
The present invention relates to field of wireless communication, more particularly to a kind of cooperative method, apparatus of TDD and FDD and meter
Calculate machine equipment.
Background technique
Possess TDD (i.e. Time Division Duplexing, time division duplex) in conventional mobile communications technology and FDD is (i.e.
Frequency Division Duplexing, frequency division duplex) frequency range, QCELL networking (refers to the 4G indoor active of multi-frequency multi-mode
Compartment system) PRRU (i.e. Pico Remote Radio Unit, micro- remote radio unit (RRU)) under scene is one integrated small
Type full frequency band supports product, QCELL to have source chamber subsystem mainly by following module compositions：Base Band Unit (BBU, BaseBand
Unit), convergence unit in distal end (refers to that Pico RRU bridge, the bridge-jointing unit of Base Band Unit and micro- remote radio unit (RRU) write a Chinese character in simplified form
For PB), micro- remote radio unit (RRU) (PRRU, i.e. Pico Remote Radio Unit) and multisystem access unit (MAU,
Multi-Access Unit) it constitutes, BBU, MAU, PB and PRRU total system need support the common work of FDD and TDD under QCELL2.0
Make.
But the website that traditional technology is TDD is worked using BBU, MAU, PB and PRRU of TDD, and the website of FDD uses FDD's
BBU, MAU, PB and PRRU work, therefore TDD and FDD is worked independently using respective hardware respectively in traditional technology, it is at high cost.
Summary of the invention
Based on this, it is necessary in view of the above-mentioned problems, providing a kind of cooperative method and apparatus of TDD and FDD, it is intended to real
The existing compatible TDD and FDD of micro- remote radio unit (RRU) is worked together, with solve TDD and FDD in traditional technology use respectively it is respective hard
Part, which works independently, leads to problem at high cost.
Technical solution used in the embodiment of the present invention is as follows：
A kind of cooperative method of TDD and FDD, the method includes：
Unified regulation is carried out to the respective inphase quadrature resource distribution of received TDD and FDD；
TDD the and FDD message received is jointly processed by by TDDFDD concurrent state machine.
A kind of cooperative device of TDD and FDD, described device include：
Regulate and control module, for carrying out unified regulation to the respective inphase quadrature resource distribution of received TDD and FDD；
It is jointly processed by module, for carrying out common point to TDD the and FDD message received by TDDFDD concurrent state machine
Reason.
A kind of computer equipment, the computer equipment include memory, processor and are stored on the memory simultaneously
The computer program that can be run on the processor, wherein described in the processor is realized when executing the computer program
The step of method.
Beneficial effect：A kind of cooperative method, apparatus of TDD and FDD provided by the invention and computer equipment, pass through
Unified regulation is carried out to the respective inphase quadrature resource distribution of received TDD and FDD；By TDDFDD concurrent state machine to reception
To TDD and FDD message be jointly processed by.The present invention needs support TDD and FDD and works together according to application scenarios, selection
Interface board and the corresponding respective protocol type of micro- remote radio unit (RRU)；It is logical by controlling when TDD and FDD shares master control
Road, which is established, requests compatible TDD and FDD to work together；Micro- remote radio unit (RRU) is to the respective inphase quadrature resource distribution of TDD and FDD
Carry out unified regulation；TDD the and FDD message received is jointly processed by by TDDFDD concurrent state machine.The present invention exists
TDD and FDD is shared under the scene of micro- remote radio unit (RRU), by integrating in TDD and FDD corresponding respectively workflow in micro- remote
End radio frequency unit correspond in unified process, realize being operated together and working for TDD and FDD, save hardware resource and at
This.
Detailed description of the invention
Fig. 1 is the flow chart of the cooperative method one embodiment of TDD provided by the invention and FDD；
Fig. 2 is micro- remote radio unit (RRU) IQ money in the cooperative method one embodiment of TDD provided by the invention and FDD
Source control figure；
Fig. 3 is TDD single mode machine flow chart in traditional technology；
Fig. 4 is FDD single mode machine flow chart in traditional technology；
Fig. 5 is the process that TDD and FDD state machine is integrated into a concurrent state machine in one embodiment provided by the invention
Figure；
Fig. 6 is the program module architecture diagram of the cooperative device one embodiment of TDD provided by the invention and FDD.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, in one embodiment, providing a kind of cooperative method of TDD and FDD, the method is used
In needing on the cooperative wireless telecommunications system terminal of TDD and FDD or server, the method includes：
S1, unified regulation is carried out to the respective inphase quadrature resource distribution of received TDD and FDD.
Specifically, micro- remote radio unit (RRU) carries out unified regulation to the respective inphase quadrature resource distribution of TDD and FDD,
That is PRRU IQ (PRRU, that is, Pico Remote Radio Unit, micro- remote radio unit (RRU)；IQ, that is, In-phase
Quadrature, inphase quadrature) resource allocation uniformly carries out IQ resources regulation and management using TCM and CMP, guarantee PRRU's
The IQ resource distribution of TDD and FDD does not conflict, wherein TCM, i.e. TDD Configuration Manage, TDD configuration management,
CMP, i.e. Configuration ManagementProcess, configuration management process.
Further, compatible support TDD and FDD is needed to be operated together in PRRU, that is, when TDD and FDD shares PRRU,
PRRU IQ resource takes unified calculation and allocation plan for TDD and FDD, referring to Fig. 2, such as exchanging FS plate (i.e. in light
Frame Switching, Frame switch) on IQ configuration section, newly increase an IQCOMMON_OP process to realize, master control is (i.e.
CC, Chief Control) on FDD CMP and TDD TCM IQ configuration be all sent to the IQCOMMON_OP process, pass through
The IQCOMMON_OP process carries out unified adjustment, control and the configuration for managing PRRU IQ resource, so that PRRU IQ be avoided to provide
Source configuration conflict, but two sets of configurations of BSP (i.e. Board Support Package, board suppot package) reservation TDD and FDD connect
Mouthful, the IQ configuration of TDD and FDD is received respectively, and unified regulation process is sent to after reception and carries out the unified calculation of IQ resource and matches
It sets.Wherein, light exchanges FS plate, and FS is optical-fiber network switching board, to add this veneer when baseband board is configured more than 2 pieces.
S2, TDD the and FDD message received is jointly processed by by TDDFDD concurrent state machine.
In one embodiment, the step S2 includes：
In each working condition of the TDDFDD concurrent state machine, when receiving TDD message, do not switch described
The working condition of TDDFDD concurrent state machine directly handles TDD message by the TDDFDD concurrent state machine；
When receiving FDD message, according to FDD state machine process, by switching at the TDDFDD concurrent state machine state
Manage FDD message.
Referring to Fig. 5, each working condition of the TDDFDD concurrent state machine, that is, refer to the parameter configuration shape in Fig. 5
State, TDDFDD gain report, TDDFDD powers on completion or each work of the TDDFDD concurrent state machine such as TDDFDD working condition
Make state, in any one working condition wherein, when receiving TDD message, does not switch the TDDFDD concurrent state machine
Current working status directly handles TDD message by the TDDFDD concurrent state machine.
Specifically, PRRU integrates TDD and FDD state machine process, proposes a set of support TDD single mode, FDD single mode and
The state machine process of TDD and FDD bimodulus.Specifically, the respective work of state machine in traditional technology and in technical solution of the present invention
It is as follows to make process：
In parameter configuration state, traditional technology, TDD single mode process is referring to Fig. 3, TDD single mode is matched receiving TDD cell
It sets and is switched to TDD operating mode after TDD antenna configuration, carry out the Message Processing of TDD；
In parameter configuration state, traditional technology, FDD single mode process is referring to Fig. 4, FDD single mode is matched receiving FDD IQ
When setting message, it is switched to FDD gain uploaded state, gain is received and reports when receiveing the response, be switched to and power on completion status, receive
When FDD powers on completion response, it is switched to FDD working condition, handles FDD message；
In parameter configuration state, in the technical solution of the present invention, TDD and FDD bimodulus process is referring to Fig. 5, process is as follows：
When only receiving FDDIQ configuration message, it is switched to gain uploaded state；
Gain uploaded state receive and only receive FDD gain report receive the response when, then state machine is switched to
Power on completion status；
When powering on completion and receiveing the response of FDD is received and only received powering on completion status, then is switched to state machine
TDD and FDD working condition carries out FDD Message Processing；
TDD message and FDD message can be handled in TDD and FDD working condition, and receives TDD in each state and disappears
When breath, equal not switching state machines, but it is intended to the message of processing TDD.
In one embodiment, further include before step S1：
S00, according to application scenarios, selection needs support the cooperative interface board of TDD and FDD and corresponding micro- distal end
The respective protocol type of radio frequency unit.
Specifically, according to application scenarios, selection needs support the physical layer association of the cooperative interface board of TDD and FDD
Discuss the application layer protocol type of type and corresponding micro- remote radio unit (RRU).
When TDD and FDD work independently, since TDD and FDD is worked independently using respective hardware respectively, it is not required to
Select the protocol type of interface board and micro- remote radio unit (RRU).In the present invention, in order to realize that TDD and FDD is worked together, need
The application layer protocol type of suitable the physical layer protocol type for supporting the cooperative interface board of TDD and FDD and PRRU is selected,
That is, suitable protocol type, such as the visitor of China Unicom and China Telecom are selected for TDD and FDD for specific application scene
Family selects to use the physical layer protocol type of interface board and the application layer protocol type of PRRU for CPRI agreement (i.e. Common
Public Radio Interface, common public radio interface), then the scheme of total PRRU is adopted in underlying protocol, Communication Layer
With the original scheme of FDD；For example client's selection of China Mobile is using the physical layer protocol type of interface board and the application layer of PRRU
Protocol type is IR agreement (i.e. Interface between BBUand RRU, BBU and RRU interface), then the scheme of total PRRU
The original scheme of TDD is used in underlying protocol, Communication Layer.
In one embodiment, further include before step S1：
S01, when TDD and FDD shares master control, established by control channel and compatible TDD and FDD requested to be operated together.
In one embodiment, step S01 includes：
When TDD and FDD shares master control, by not returned to micro- remote radio unit (RRU) after FDD flow processing
Answer, after TDD configuration management response again to micro- remote radio unit (RRU) response, control channel establishes request compatibility TDD simultaneously
It is operated together with FDD process.
Specifically, it under the scene that TDD and FDD shares master control, is established by control channel and requests compatible TDD and FDD
It is operated together, Path Setup request message is controlled by micro- long drive frequency Single Component Management (i.e. Pico Remote Manage, abbreviation PRM)
System supports TDD and FDD standard process flow operation, the PRM not to respond, do not have to PRRU after FDD flow processing finishes simultaneously
Timer is set, again to the PRRU response after waiting TCM to respond.
In one embodiment, the cooperative method of the TDD and FDD further includes：
When TDD and FDD share micro- remote radio unit (RRU), the heartbeat message that will test is transmitted to micro- remote radio unit (RRU) pipe
Reason and TDD configuration management.
I.e. when TDD and FDD share micro- remote radio unit (RRU), the heartbeat message that will test is equal to PRM and TDD configuration management
It is forwarded.Specifically, under the selectable scene of agreement, the PRM will test under the total PRRU scene of TDD and FDD
Heartbeat message is all forwarded to the PRM and TCM.The TCM judges whether update veneer table status according to protocol type, such as
Fruit is that IR agreement then updates veneer table status, does not have to then update if it is CPRI agreement, if the TCM is not received by heartbeat
Message then shows that there are failures, then can be prompted by way of alarm；The PRM sentences according to the heartbeat message received
Disconnected detection operation judges to generate failure if being not received by heartbeat message, thus restarted, control progress homing action,
Otherwise, judge that PRRU state is normal, do not have to carry out reboot operation.
In one embodiment, the cooperative method of the TDD and FDD further includes：
For TDD and FDD, the measurement and compensation of time delay are carried out according to protocol type.
The time delay refers to that a message or grouping are transmitted to the time required for another end from one end of a network.
It includes transmission delay, propagation delay, processing delay, queuing delay, and time delay=transmission delay+propagation delay+processing delay+
Queuing delay, generally, transmission delay and propagation delay are that we mainly consider.In the case of message length is larger, send
Time delay is principal contradiction；The lesser situation of message length, propagation delay are principal contradictions.
The measurement and compensation of time delay, it is smooth for communication, in any communication system be all it is indispensable, it is specific come
It says, under the selectable scene of agreement, carries out latency measurement and compensation, measured according to protocol type and compensation scheme,
It is computed and compensated if it is IR agreement according to TDD formula, is then calculated according to FDD formula if it is CPRI agreement
And compensation.
In one embodiment, the cooperative method of the TDD and FDD further includes：
At least one of the respective alarm of TDD and FDD, dynamic and diagnosis corresponding are integrated into a set of process.
It is i.e. corresponding at least one of the alarm of TDD and FDD, dynamic and diagnosis to carry out unified integration.Specifically, institute
Unified integration is stated, i.e., by the corresponding a set of announcement for being integrated into while supporting the inconsistent alarm of TDD and FDD of the respective alarm of TDD and FDD
The respective dynamic correspondence of TDD and FDD is integrated into while being supported TDD and FDD dynamically a set of dynamic flow, by TDD by alert process
The a set of process for being integrated into while supporting TDD and FDD to diagnose corresponding with the respective diagnosis of FDD.It describes separately below：
(1) it alerts.
Specifically, for alarm, unified alarm report process is taken, i.e., by the inconsistent alarm of TDD and FDD in PRM
A set of process AMP (i.e. Alarm Management Process, alarm management process) is integrated into detect alarm.Traditional technology
Be TDD be TCM to detect alarm, FDD is AMP to detect alarm, be in one embodiment of the invention by all TDD and
The alarm of FDD carries out being integrated into AMP to detect alarm.
(2) dynamic and diagnosis.
Also each leisure PRM carries out being integrated into a set of corresponding process for dynamic and diagnosis, specifically, in traditional technology
On the basis of analyze the essence of each dynamic and diagnosis, provide a versatility saying description, to support TDD and FDD dynamically simultaneously
And diagnosis.Such as in the dynamic of TDD and FDD, the channel occlusion reconciliation occlusion of TDD, the power amplifier of FDD is enabled and goes to enable, real
The two dynamic essence are exactly that the operation of on and off is carried out to the power amplifier in respective channel on border, and the present invention is in one embodiment
Power amplifier, which is integrated into, in PRM deactivates and start two dynamics.
Referring to Fig. 6, in one embodiment, it is described the present invention also provides a kind of cooperative device of TDD and FDD
Device includes：
Regulate and control module 10, for carrying out unified regulation to the respective inphase quadrature resource distribution of received TDD and FDD, leads to
The IQ configuration section on the light exchange FS plate of micro- remote radio unit (RRU) is crossed, an IQCOMMON_OP process is newly increased to realize, has
Body is as described in the above method；
It is jointly processed by module 20, it is common for being carried out by TDDFDD concurrent state machine to TDD the and FDD message received
Processing supports the state machine of TDD and FDD bimodulus to realize, specifically such as above method institute by being arranged on micro- remote radio unit (RRU)
It states.
In one embodiment, described device further includes：
Protocol selection module, for according to application scenarios, selection need support the cooperative interface board of TDD and FDD and
The corresponding respective protocol type of micro- remote radio unit (RRU), is realized by interface board and micro- remote radio unit (RRU) Communication Layer, tool
Body is as described in the above method；
Control module, for being established by control channel and requesting compatible TDD and FDD total when TDD and FDD shares master control
With work, realized by the master control of micro- remote radio unit (RRU), specifically as described in the above method；
Heartbeat message forwarding module, the heartbeat message for will test when TDD and FDD share micro- remote radio unit (RRU)
It is transmitted to micro- remote radio unit (RRU) management and TDD configuration management, is realized by the master control of micro- remote radio unit (RRU), it is specific as above-mentioned
Described in method；
Process integrates module, at least one of the respective alarm of TDD and FDD, dynamic and diagnosis is respectively corresponding
Be integrated into a set of process, realized by the master control of micro- remote radio unit (RRU), specifically as described in the above method.
In one embodiment, the present invention also provides one or more to be stored with the non-volatile of computer executable instructions
Computer readable storage medium, when the computer executable instructions are executed by one or more processors, wherein may make institute
State the step of one or more processors execute the method.
In one embodiment, the present invention also provides a kind of computer equipment, the computer equipment includes memory, place
It manages device and is stored in the computer program that can be run on the memory and on the processor, wherein the processor is held
The step of realizing the method when the row computer program.
In conclusion a kind of cooperative method, apparatus of TDD and FDD provided by the invention and computer equipment, according to
Application scenarios, selection need support the cooperative interface board of TDD and FDD and the corresponding respective association of micro- remote radio unit (RRU)
Discuss type；When TDD and FDD shares master control, is established by control channel and compatible TDD and FDD is requested to work together；Micro- distal end is penetrated
Frequency unit carries out unified regulation to the respective inphase quadrature resource distribution of TDD and FDD；By TDDFDD concurrent state machine to reception
To TDD and FDD message be jointly processed by.The present invention passes through under the scene that TDD and FDD share micro- remote radio unit (RRU)
Integrating corresponding respectively workflow in TDD and FDD realizes the common of TDD and FDD in a corresponding unified process
Work is run, hardware resource and cost are saved.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, described program can be stored in a computer-readable storage medium
In, in the embodiment of the present invention, which be can be stored in the storage medium of computer system, and by the computer system
At least one processor executes, and includes the process such as the embodiment of above-mentioned each method with realization.Wherein, the storage medium can be
Magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of cooperative method of TDD and FDD, which is characterized in that including：
Unified regulation is carried out to the respective inphase quadrature resource distribution of received TDD and FDD；
TDD the and FDD message received is jointly processed by by TDDFDD concurrent state machine.
2. the method according to claim 1, wherein it is described by TDDFDD concurrent state machine to receiving
The step of TDD and FDD message is jointly processed by include：
In each working condition of the TDDFDD concurrent state machine, when receiving TDD message, the TDDFDD is not switched
The working condition of concurrent state machine directly handles TDD message by the TDDFDD concurrent state machine；
When receiving FDD message, according to FDD state machine process, by switching the TDDFDD concurrent state machine state processing FDD
Message.
3. the method according to claim 1, wherein described provide the respective inphase quadrature of received TDD and FDD
Further include before the step of source configuration is uniformly regulated and controled：
According to application scenarios, selection needs support the cooperative interface board of TDD and FDD and corresponding micro- remote radio unit (RRU)
Respective protocol type.
4. according to the method described in claim 3, it is characterized in that, described provide the respective inphase quadrature of received TDD and FDD
Further include before the step of source configuration is uniformly regulated and controled：
When TDD and FDD shares master control, is established by control channel and compatible TDD and FDD process is requested to be operated together.
5. logical by controlling according to the method described in claim 4, it is characterized in that, described when TDD and FDD shares master control
Road foundation requests to be compatible with the step of TDD and FDD process is operated together：
When TDD and FDD shares master control, by not responded to the micro- remote radio unit (RRU) after FDD flow processing,
Micro- remote radio unit (RRU) response is given after TDD configuration management response again, control channel establishes request while compatible TDD and FDD
Process is operated together.
6. the method according to claim 1, wherein the method also includes：
When TDD and FDD share micro- remote radio unit (RRU), the heartbeat message that will test be transmitted to micro- remote radio unit (RRU) management and
TDD configuration management.
7. the method according to claim 1, wherein the method also includes：
At least one of the respective alarm of TDD and FDD, dynamic and diagnosis corresponding are integrated into a set of process.
8. a kind of cooperative device of TDD and FDD, which is characterized in that described device includes：
Regulate and control module, for carrying out unified regulation to the respective inphase quadrature resource distribution of received TDD and FDD；
It is jointly processed by module, for being jointly processed by by TDDFDD concurrent state machine to TDD the and FDD message received.
9. device according to claim 8, which is characterized in that described device further includes：
Protocol selection module, for according to application scenarios, selection to need support the cooperative interface board of TDD and FDD and corresponds to
The respective protocol type of micro- remote radio unit (RRU)；
Control module, for being established by control channel and compatible TDD and FDD being requested to transport jointly when TDD and FDD shares master control
Row；
Heartbeat message forwarding module, the heartbeat message forwarding for will test when TDD and FDD share micro- remote radio unit (RRU)
To micro- remote radio unit (RRU) management and TDD configuration management；
Process integrates module, at least one of the respective alarm of TDD and FDD, dynamic and diagnosis is corresponding whole
It is combined into a set of process.
10. a kind of computer equipment, the computer equipment includes memory, processor and is stored on the memory and can
The computer program run on the processor, which is characterized in that the processor is realized when executing the computer program
The step of any one of claim 1-7 the method.
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| CN112333126A (en) * | 2020-12-31 | 2021-02-05 | 广州慧睿思通信息科技有限公司 | Data communication method, equipment and computer readable storage medium |
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