CN108419297A - Wireless communications method and radio reception device, network planning equipment, terminal device - Google Patents
Wireless communications method and radio reception device, network planning equipment, terminal device Download PDFInfo
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- 238000004891 communication Methods 0.000 title claims abstract description 71
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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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
-
- 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
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of wireless communications methods and radio reception device, network planning equipment, terminal device, this method to include：The net planning parameter that network planning equipment issues is obtained, the net planning parameter includes the slot cycle and network up and down time slot proportion of TDMA frame；The structure of time slot of the slot cycle is determined according to the slot cycle and network up and down time slot proportion, and the position of preset each corresponding duration of type of service and the corresponding duration of each type of service in the slot cycle is included in the structure of time slot；It is that each terminal device distributes corresponding time interval resource according to the determining structure of time slot；It is communicated with each terminal device based on distributing slot resources result.The present invention improves the service quality of network, improves the utilization rate and network average throughput of interface-free resources, realizes the cordless communication network of the TDMA standards of low cost.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of wireless communications methods and radio reception device, net
Network planning apparatus, terminal device.
Background technology
Currently, main wireless communication system standard, including WLAN (Wireless Local Area in the world
Networks, WLAN) system, LTE (Long Term Evolution, long term evolution) system, WiMAX
(Worldwide Interoperability for Microwave Access, worldwide interoperability for microwave accesses) system, WCDMA
(Wideband Code Division Multiple Access, wideband code division multiple access) system and TD-SCDMA (Time
Division-Synchronous Code Division Multiple Access, TD SDMA) system etc., base
In multiple cordless communication networks of above-mentioned various standards, it has been widely applied in the every field of our production and living, such as hand
Machine communicate, wireless LAN communication, wireless network passback etc., routine work with life in we bring it is many just
Victory,
However consider either from cost or from popularization degree, convenience, WLAN standards are undoubtedly optimal one kind
Scheme can reach low cost, and fast and flexible is arranged net, the target of high-speed communication.LTE, WiMAX, WCDMA and TD-SCDMA system
System, used frequency range usually require local frequency resource management organization and are authorized, and networking flexibility degree substantially reduces, and
And the chip cost of above-mentioned several standards is higher, it is not dominant in realizing economic, flexible wireless communication scheme.
By development and application for many years, WLAN technologies are highly developed.The price of WLAN chips is very low, WLAN at
For one of current most common broadband access technology.802.11 WLAN standards of IEEE (WLAN) use CSMA/CA
(Carrier Sense MultipleAccess with Collision Avoidance, multiple access protocol), but CSMA/
CA agreements performance in certain scenes is performed poor, such as VOIP (the Voice over that real-time Transmission is more demanding
Internet Protocol, voice-over-net phone), the business and long haul communication etc. such as video flowing, when channel competition environment is fierce
Shi Wenti performances are especially prominent.Access additionally, due to CSMA/CA agreements for multi-user mainly relies on each wireless access
The mode that equipment is vied each other carries out wireless communication to obtain interface-free resources, is controlled there is no unified control node, uses
Family QoS time delays are high, and resource overhead when competing is larger, and utilization rate of air interface resource is relatively low, causes whole resource utilization inclined
Low, transmission Mean Speed declines more compared with the Theoretical Rate eated dishes without rice or wine.
Invention content
In view of the above problems, it is proposed that the present invention overcoming the above problem in order to provide one kind or solves at least partly
State the wireless communications method and radio reception device, network planning equipment, terminal device of problem.
The first aspect of the present invention provides a kind of wireless communications method, including：
The net planning parameter that network planning equipment issues is obtained, the net planning parameter includes the time slot week of TDMA frame
Phase and network up and down time slot proportion；
The structure of time slot that the slot cycle is determined according to the slot cycle and network up and down time slot proportion, when described
Comprising preset each corresponding duration of type of service and the corresponding duration of each type of service in time slot week in gap structure
Interim position；
It is that each terminal device distributes corresponding time interval resource according to the determining structure of time slot；
It is communicated with each terminal device based on distributing slot resources result.
Optionally, each type of service includes broadcasting service, upstream data service, downstream data traffic；
The structure of time slot that the slot cycle is determined according to the slot cycle and network up and down time slot proportion, packet
It includes：
In the corresponding time slot of initial position distribution broadcasting service of the slot cycle, and according to the network above and below
Row time slot proportion the slot cycle is distributed the distribution upstream data service of the residual time length after the time slot it is corresponding on
Row data slot and the corresponding downlink data time slot of distributing position, downstream data traffic and distributing position.
Optionally, each type of service further includes contention access business；
After the corresponding time slot of initial position distribution broadcasting service of the slot cycle, the method is also wrapped
It includes：
Distributed based on the slot cycle residual time length after the time slot distribution contention access business it is corresponding with
Machine access slot and distributing position.
Optionally, the net planning parameter further includes that user's uplink/downlink ensures bandwidth；
It is described to distribute corresponding time interval resource according to the determining structure of time slot for each terminal device, including：
Obtain each terminal device uplink/downlink data volume to be sent and currently employed modulation and coding strategy
The minimum index value of MCS；
According to each terminal device uplink/downlink data volume to be sent and the minimum index value of currently employed MCS
Meet the uplink/downlink data slot resource that user's uplink/downlink ensures bandwidth for the distribution of corresponding terminal equipment.
Optionally, described according to each terminal device uplink/downlink data volume to be sent and currently employed MCS
Minimum index value be uplink/downlink data slot money that the distribution of corresponding terminal equipment meets that user's uplink/downlink ensures bandwidth
After source, the method further includes：
If there is also remaining uplink/downlink data slot resources, according to the User Priority of each terminal device, and/or
Uplink/downlink data volume to be sent is allocated the remaining uplink/downlink data slot resource.
Optionally, the net planning parameter further includes that user's uplink/downlink ensures time slot；
In the minimum index according to each terminal device uplink/downlink data volume to be sent and currently employed MCS
Value is that corresponding terminal equipment is distributed after the uplink/downlink data slot resource for meeting user's uplink/downlink guarantee bandwidth, described
Method further includes：
If the uplink/downlink data slot resource that there is distribution is unsatisfactory for the terminal device that user's uplink/downlink ensures bandwidth,
Ensure that time slot is that terminal device distributes time interval resource according to the corresponding user's uplink/downlink of each terminal device.
Optionally, the method further includes：
It is that the terminal device reservation of low priority is default when there is terminal device of the transmission Block Error Rate higher than predetermined threshold value
The heartbeat inspecting time interval resource of length, to the terminal device of the low priority in addition to the heartbeat inspecting time interval resource when
Gap resource is discharged.
The second aspect of the present invention provides a kind of wireless communications method, including：
Obtain the net planning parameter of current network；
The net planning parameter is issued to corresponding radio reception device, the net planning parameter includes the nothing
The slot cycle and network up and down time slot proportion of the TDMA frame of line access device, so that the radio reception device is according to institute
It states slot cycle and network up and down time slot proportion determines the structure of time slot of the slot cycle, and with the determining time slot knot
Structure is communicated with each terminal device.
Optionally, the net planning parameter for obtaining current network, including：
Determine network user's capacity of current network；
Each terminal device is configured according to the service quality QoS of each terminal device in network user's capacity and current network
User's uplink/downlink ensure bandwidth；
Ensure band according to the moving range of each terminal device in current network and user's uplink/downlink of each terminal device
Width determines that user's uplink/downlink of each terminal device ensures time slot respectively；
User's uplink/downlink based on all terminal devices ensure the TDMA frame of the current radio reception device of time slot configuration when
Gap period and network up and down time slot proportion.
Optionally, described, user's uplink and downlink based on all terminal devices ensures time slot configuration radio reception device
After the slot cycle and network up and down time slot proportion of TDMA frame, the method further includes：
The network up and down time slot is adjusted according to uplink and downlink business proportion of any terminal equipment under current scene to match
Than.
The third aspect of the present invention provides a kind of wireless communications method, including：
The distributing slot resources of radio reception device are obtained as a result, the distributing slot resources are the result is that radio reception device
According to the distribution of the structure of time slot of the slot cycle of TDMA frame；Wherein, include preset each type of service in the structure of time slot
The position of corresponding duration and the corresponding duration of each type of service in the slot cycle；
It is communicated with the radio reception device according to the distributing slot resources result.
Optionally, the distributing slot resources for obtaining radio reception device are as a result, include：
The broadcast message that the radio reception device is sent is received, the broadcast message includes the radio reception device
Identification number, the identification number of each terminal device and the corresponding uplink and downlink distributing slot resources result of each terminal device.
The fourth aspect of the present invention provides a kind of radio reception device, including：
Access side acquisition module, the net planning parameter issued for obtaining network planning equipment, the network planning ginseng
Number includes the slot cycle and network up and down time slot proportion of TDMA frame；
Configuration module, for according to the slot cycle and network up and down time slot proportion determine the slot cycle when
Gap structure, comprising the corresponding duration of preset each type of service and when corresponding each type of service in the structure of time slot
Grow the position in the slot cycle；
Resource distribution module, for being that each terminal device distributes corresponding time slot money according to the determining structure of time slot
Source；
Side communication module is accessed, is communicated with each terminal device for being based on distributing slot resources result.
Optionally, each type of service includes broadcasting service, upstream data service, downstream data traffic；
The configuration module is specifically used in the corresponding broadcast of the initial position distribution broadcasting service of the slot cycle
Gap, and the residual time length distribution time slot after is distributed according to the network up and down time slot proportion the slot cycle
The corresponding upstream data time slot of upstream data service and the corresponding downlink data time slot of distributing position, downstream data traffic and distribution
Position.
Optionally, each type of service further includes contention access business；
The configuration module is specifically used in the corresponding broadcast of the initial position distribution broadcasting service of the slot cycle
After gap, it is corresponding random that the distribution of the residual time length after time slot contention access business is distributed based on the slot cycle
Access slot and distributing position.
Optionally, the net planning parameter further includes that user's uplink/downlink ensures bandwidth；
The resource distribution module, including：
Acquisition submodule, for obtaining each terminal device uplink/downlink data volume to be sent and currently employed
Modulation and coding strategy MCS minimum index value；
Distribution sub module, for according to each terminal device uplink/downlink data volume to be sent and currently employed
The minimum index value of MCS is that the distribution of corresponding terminal equipment meets the uplink/downlink data slot that user's uplink/downlink ensures bandwidth
Resource.
Optionally, the distribution sub module, be additionally operable to according to each terminal device uplink/downlink data volume to be sent with
And the minimum index value of currently employed MCS is that the distribution of corresponding terminal equipment meets user's uplink/downlink guarantee bandwidth
After uplink/downlink data slot resource, if there is also remaining uplink/downlink data slot resources, according to each terminal device
User Priority and/or uplink/downlink data volume to be sent are allocated the remaining uplink/downlink data slot resource.
Optionally, the net planning parameter further includes that user's uplink/downlink ensures time slot；
The distribution sub module is additionally operable to according to each terminal device uplink/downlink data volume to be sent and currently
The minimum index value of used MCS is that the distribution of corresponding terminal equipment meets the uplink/downlink that user's uplink/downlink ensures bandwidth
After data slot resource, if the uplink/downlink data slot resource that there is distribution is unsatisfactory for the end that user's uplink/downlink ensures bandwidth
End equipment then ensures that time slot is that terminal device distributes time interval resource according to the corresponding user's uplink/downlink of each terminal device.
The fifth aspect of the present invention provides a kind of network planning equipment, including：
Network planning module, the net planning parameter for determining current network；
Network-side communication module, the net planning parameter for determining Network planning module are issued to corresponding nothing
Line access device, the net planning parameter include the slot cycle and network of the TDMA frame of the radio reception device or more
Row time slot proportion, when determining described according to the slot cycle and network up and down time slot proportion for the radio reception device
The structure of time slot in gap period, and communicated with each terminal device with the determining structure of time slot.
Optionally, the Network planning module, is specifically used for：
Determine network user's capacity of current network；
Each terminal device is configured according to the service quality QoS of each terminal device in network user's capacity and current network
User's uplink/downlink ensure bandwidth；
Ensure band according to the moving range of each terminal device in current network and user's uplink/downlink of each terminal device
Width determines that user's uplink/downlink of each terminal device ensures time slot respectively；
User's uplink/downlink based on all terminal devices ensure the TDMA frame of the current radio reception device of time slot configuration when
Gap period and network up and down time slot proportion.
The sixth aspect of the present invention provides a kind of terminal device, including：
End side acquisition module, the distributing slot resources for obtaining radio reception device are as a result, the time interval resource point
With the result is that radio reception device was distributed according to the structure of time slot of the slot cycle of TDMA frame；Wherein, in the structure of time slot
Include the position of the preset corresponding duration of each type of service and the corresponding duration of each type of service in the slot cycle
It sets；
End side communication module, for being led to the radio reception device according to the distributing slot resources result
Letter.
Wireless communications method and radio reception device provided in an embodiment of the present invention, network planning equipment, terminal device lead to
The net planning parameter gone out according to network planning facility planning is crossed, net planning parameter includes the slot cycle and net of TDMA frame
Network uplink and downlink timeslot proportioning carries out function time slot division to slot cycle, determines the structure of time slot of slot cycle, and based on determination
The structure of time slot by the distributing slot resources mode of concentration be that each terminal device distributes corresponding time interval resource, promote nothing
The real time business load-carrying properties and service quality QoS of gauze network improve the utilization rate and network average throughput of interface-free resources, real
Cordless communication network now based on low cost.
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 wireless communications method of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the TDMA frame proposed in the embodiment of the present invention；
Fig. 3 is the network topology structure figure of the wireless communication system proposed in the embodiment of the present invention；
Fig. 4 be the embodiment of the present invention a kind of wireless communications method in step S13 subdivision flow chart；
Fig. 5 is the flow chart of another wireless communications method of the embodiment of the present invention；
Fig. 6 be the embodiment of the present invention another wireless communications method in step S21 subdivision flow chart；
Fig. 7 is the flow chart of another wireless communications method of the embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of radio reception device of the embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram of network planning equipment of the embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram of terminal device of the embodiment of the present invention.
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.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions, otherwise will not be explained with the meaning of idealization or too formal.
In order to solve the problems, such as that user QoS time delays present in existing WLAN technologies are high, utilization rate of air interface resource is relatively low, this
Invention provides a kind of wireless communications method, by using TDMA (Time Division Multiple Access, time division multiple acess
Access) technology overcomes the above problem.Since WLAN chips do not support TDMA technologies, and redesigns a chip of exploitation and take
With extremely expensive.So, if it is possible to the ripe WLAN chips utilized support TDMA agreements, then can substantially reduce exploitation at
This, promotes the performance of network.The embodiment of the present invention by 802.11 traditional equipment realize TDMA functions, with realize it is low at
Flexible networking under the method.Different uplink and downlink resource allocations can not only be carried out according to different scenes, and can be passed through
The mode of the scheduling of resource of concentration improves the QoS guarantee of network, increases network to promote network real time business load-carrying properties
It eats dishes without rice or wine utilization rate, promotes network ensemble average handling capacity.
Fig. 1 diagrammatically illustrates the flow chart of the wireless communications method of one embodiment of the invention.It is provided in this embodiment
Wireless communications method is executed by radio reception device, and referring to Fig.1, the wireless communications method of the embodiment of the present invention specifically includes following
Step：
S11, obtain the net planning parameter that issues of network planning equipment, the net planning parameter include TDMA frame when
Gap period and network up and down time slot proportion.
In the present embodiment, the network planning is carried out to current network by network planning equipment, obtains net planning parameter, and will
The net planning parameter is issued to radio reception device AP, to realize the acquisition of net planning parameter, the network planning ginseng
Number includes but not limited to the slot cycle and network up and down time slot proportion of TDMA frame.
Network planning equipment is held as the network planning equipment for concentrating the network planning by rational planning network user
Amount, user's uplink and downlink ensure bandwidth and user's uplink and downlink ensures the contents such as time slot, and are based on above-mentioned network planning content and net
The network plannings such as the slot cycle of the relevant information planning TDMA frame of terminal device RT and network up and down time slot proportion in network
Parameter to realize the adaptation of network, and obtained net planning parameter is issued in radio reception device.
Network up and down time slot proportion in this step indicates that radio reception device AP sends eat dishes without rice or wine data duration and terminal
Equipment sends the ratio for data duration of eating dishes without rice or wine.The embodiment of the present invention is when carrying out time slot proportion distribution, in conjunction with WIFI physical layer marks
Standard, the unit particle size for carrying out time slot distribution are an OFDM symbol, i.e. 4us (400ns GI) or 3.6us (800ns GI).
S12, the structure of time slot that the slot cycle is determined according to the slot cycle and network up and down time slot proportion, institute
It states in structure of time slot comprising preset each corresponding duration of type of service and the corresponding duration of each type of service when described
Position in the gap period.
Wherein, the duration of each type of service and the corresponding duration of each type of service are in the work period
Position is according to the business demand of corresponding type of service, and/or channel quality, and/or each terminal to be accessed equipment, and/or each
The priority of terminal to be accessed equipment determines.
Type of service in the embodiment of the present invention is not limited to this kind of data service of uplink and downlink, further includes broadcast service
Other types of service such as business, contention access business.
In the present embodiment, the structure of TDMA frame is periodic frame structure, i.e., is recycled according to certain frame period,
Cycle period is planned by network planning equipment according to user capacity.If user capacity is larger, ensure in conjunction with user's uplink and downlink
Bandwidth and user's uplink and downlink ensure that time slot judges whether the slot cycle for needing to expand TDMA frame, could realize to all users
Carrying.The network up and down time slot proportion that uplink/downlink time slot transfer point in slot cycle is issued according to network planning equipment
It is configured.In practical applications, which can flexibly be adapted to the net according to the uplink and downlink business proportion under real time business scene
Network uplink and downlink timeslot matches.
S13, it is that each terminal device distributes corresponding time interval resource according to the determining structure of time slot.
In the embodiment of the present invention, radio reception device is covered based on the determining structure of time slot according to current network
The business demand of each terminal device in range distributes corresponding time interval resource for each terminal device so that terminal device according to when
Gap resource allocation result within a specified time carries out upstream data transmission or downlink data receives.
Specifically, radio reception device dynamically distributes corresponding time slot respectively according to the practical business demand of each user
Resource carries out uplink/downlink data transmission to each terminal device.Its method dynamically distributed, including combine User Priority, use
How much data cached family is, the satisfaction degree of user's QoS time delays size and user's guaranteed rate determines priority, to priority
High user occupies more resource priority transmission datas.
S14, it is communicated with each terminal device based on distributing slot resources result.
Wireless communications method provided in an embodiment of the present invention is joined by the network planning gone out according to network planning facility planning
Number, net planning parameter include TDMA frame slot cycle and network up and down time slot proportion to slot cycle carry out function when
Gap divides, and determines the structure of time slot of slot cycle, and based on the distributing slot resources that the determining structure of time slot passes through concentration
Mode is that each terminal device distributes corresponding time interval resource, promotes the real time business load-carrying properties and service quality of wireless network
QoS improves the utilization rate and network average throughput of interface-free resources, realizes the cordless communication network based on low cost.Moreover, should
Network can also be according to the flexible configuration for being applicable in scene progress uplink/downlink resource, to meet the different business demand of different scenes.
In a specific embodiment, each type of service includes broadcasting service, upstream data service, downlink data industry
Business.
Correspondingly, the time slot for determining the slot cycle according to the slot cycle and network up and down time slot proportion
Structure specifically includes：
In the corresponding time slot of initial position distribution broadcasting service of the slot cycle, and according to the network above and below
Row time slot proportion the slot cycle is distributed the distribution upstream data service of the residual time length after the time slot it is corresponding on
Row data slot and the corresponding downlink data time slot of distributing position, downstream data traffic and distributing position.
In practical applications, specifically the broadcast can be determined according to the size and modulation coding scheme of carrying broadcast message
The specific duration of time slot.
Wherein, include the switching guard interval of the first designated length between upstream data time slot and downlink data time slot；
The initial position of per unit time slot includes the protection duration of the second designated length in upstream data time slot；In downlink data
The initial position of per unit time slot includes the protection duration of third designated length in time slot duration.Wherein, the first specified length
Degree can generally be more than the second designated length and third designated length.
It is specifically in embodiment, in addition to broadcasting service, upstream data service, lower line number in each type of service at one
According to further including contention access business except business.
Correspondingly, after the corresponding time slot of the initial position of slot cycle distribution broadcasting service, the side
Method further includes：Distributed based on the slot cycle residual time length after the time slot distribution contention access business it is corresponding with
Machine access slot and distributing position.Specifically, access can be initiated according to terminal device farthest in current network coverage area
Two-way time needed for request distributes the contention access business corresponding random access time slot.
In the present embodiment, the time slot of the slot cycle is determined according to the slot cycle and network up and down time slot proportion
Structure is implemented as follows：
First, in the corresponding time slot of the initial position of slot cycle distribution broadcasting service；
Then, the distribution contention access business of the residual time length after the time slot is distributed based on the slot cycle to correspond to
Random access time slot and distributing position；
Finally, and according to the network up and down time slot proportion to the slot cycle distribution time slot and at random
Residual time length after access slot, the corresponding upstream data time slot of distribution upstream data service and distributing position, downlink data industry
It is engaged in corresponding downlink data time slot and distributing position.
In the present embodiment, the net planning parameter that radio reception device is issued by obtaining network planning equipment, according to net
Network projecting parameter realizes the loop cycle of TDMA frame, determines the initial position of each function time slot.As shown in Fig. 2, specific at one
In example, the slot cycle of TDMA frame specifically includes Beacon time slots, downlink data time slot, between uplink and downlink switch protecting
Every, upstream data time slot, random access time slot.Wherein, broadcast message is sent in Beacon time slots, in downlink data
Gap sends the downlink data of each terminal device, and the return data of each terminal device is received in upstream data time slot.Random access
Time slot, the time window as each terminal device contention access AP are retained.The present embodiment, it is wide by being distinguished in slot cycle
Sowing time gap, uplink/downlink data slot and random access time slot so that terminal device be within a specified time at war with access or
Upstream data is sent or downlink data receives, and then realizes uplink and downlink data transmit-receive synchronization between different AP, when reducing uplink and downlink
Long asynchronous caused cross jamming；The conversion frequency and hardware handles complexity that AP sends and receives are reduced, work is reduced
Make the power consumption stood.In addition, AP centralized distributions time interval resource in the embodiment of the present invention, effectively improves resource utilization, competition is reduced
The conflict collision that access and normal upstream data are sent, improves the probability of success of contention access, and reduction has accessed work station waiting
The duration that upstream data is sent reduces business propagation delay time, improves work station quality of service and perception.
Referring to Fig. 3, the wireless communication system in the embodiment of the present invention is divided into network planning equipment, radio reception device and end
End equipment totally 3 main nodes.Wherein, network planning equipment is as the node for concentrating the network planning, by according to current cloth
Net environment, related needs reasonably plan terminal device quantity in the network, the uplink and downlink of each terminal device ensure bandwidth,
Uplink and downlink ensures the configuration parameter such as slot cycle of time interval resource, time slot proportion and TDMA frame, and network of relation is planned and is joined
Number is allocated to radio reception device, access point of the radio reception device node as entire wireless communication system, while being also whole
The resource centralized control node of a network carries out function time slot division according to net planning parameter to the slot cycle of TDMA frame,
Determine the structure of time slot of the slot cycle, and the structure of time slot based on the slot cycle is that all terminal devices concentrate progress
Distributing slot resources, terminal device realize reception and the hair of data according to distributing slot resources result in specified time interval resource
Send function.
Wireless communications method provided in an embodiment of the present invention realizes TDMA work(in traditional 802.11 equipment of low cost
Can, function time slot division is carried out to the slot cycle that network planning facility planning goes out by radio reception device, when determining described
The structure of time slot in gap period, and by the distributing slot resources mode of concentration, to promote the real time business load of wireless network
Can, the service quality QoS of network is improved, the utilization rate and network average throughput of interface-free resources are promoted, is realized based on low cost
Cordless communication network, and can also according to be applicable in scene carry out uplink and downlink resource flexible configuration, to meet different scenes not
Same business demand.This method can be applied to the plurality of wireless networks transmitting scene such as video monitoring, broadband access.
In a specific embodiment, the net planning parameter further includes that user's uplink/downlink ensures bandwidth.
Correspondingly, in step S13 it is described according to the determining structure of time slot be each terminal device distribution it is corresponding when
The subdivision implementation process of gap resource is as shown in figure 4, specifically include following steps：
S131, each terminal device uplink/downlink data volume to be sent and currently employed modulation and volume are obtained
The minimum index value of code strategy MCS.Specifically the data volume size sent can be needed true by obtaining each terminal device uplink and downlink
Fixed uplink/downlink data volume to be sent, the modulation used when being sent by obtaining each terminal device uplink and downlink current data are compiled
Code mode, obtains the minimum index value of the currently employed modulation of each terminal device and coding strategy MCS.
S132, according to the minimum rope of each terminal device uplink/downlink data volume to be sent and currently employed MCS
It is that the distribution of corresponding terminal equipment meets the uplink/downlink data slot resource that user's uplink/downlink ensures bandwidth to draw value.
Further, it is after each terminal device distributes corresponding time interval resource, by broadcasting in radio reception device
Distributing slot resources result is issued to each terminal device by the broadcast message that time slot is sent to each terminal device.The present embodiment
Resource allocation result is told that each terminal device, resource allocation result include each by middle radio reception device by broadcast message
The corresponding ascending time slot of accessed terminal equipment, descending time slot, and non-access terminal equipment random access time slot, for end
End equipment receives downlink data in corresponding time slot or sends upstream data or node access.
In a specific embodiment, the uplink/downlink data volume to be sent according to each terminal device described and work as
The minimum index value of MCS used by preceding is that the distribution of corresponding terminal equipment meets the up/down that user's uplink/downlink ensures bandwidth
After row data time interval resource, if there is also remaining uplink/downlink data slot resource, the user according to each terminal device is excellent
First grade and/or uplink/downlink data volume to be sent are allocated the remaining uplink/downlink data slot resource.Actually answer
In, if after ensureing that bandwidth carries out distributing slot resources based on user's uplink and downlink, still there is surplus resources time slot, then basis is each eventually
How much the data volume that the User Priority and needs of end equipment are sent again is allocated surplus resources time slot.
In a specific embodiment, the net planning parameter further includes that user's uplink/downlink ensures time slot.
Correspondingly, according to each terminal device uplink/downlink data volume to be sent and currently employed MCS most
Small index value be the distribution of corresponding terminal equipment meet user's uplink/downlink ensure bandwidth uplink/downlink data slot resource it
Afterwards, if the uplink/downlink data slot resource that there is distribution is unsatisfactory for the terminal device that user's uplink/downlink ensures bandwidth, basis
The corresponding user's uplink/downlink of each terminal device ensures that time slot is that terminal device distributes time interval resource.
Further, ensureing that time slot is that terminal device distributes time slot money according to the corresponding user's uplink and downlink of each terminal device
Later, it is that the terminal device reservation of low priority is pre- when there is terminal device of the transmission block error rate BLER higher than predetermined threshold value
If the heartbeat inspecting time interval resource of length, to the terminal device of the low priority in addition to the heartbeat inspecting time interval resource
Time interval resource is discharged.
Specifically, when ensureing that time slot carries out distributing slot resources according to user's uplink and downlink, if occurring certain user's
BLER is increased, then when explanation is according to ensureing that time slot is allocated, link-quality has deteriorated to a certain extent, can not provide guarantee
Rate, then discharge the time interval resource of the terminal device of low User Priority, only reserves minimum keep-alive resource (heartbeat inspecting resource)
It is sent for control data, the resource released is reduced MCS for the high user of priority continues transmission data, to ensure Gao You
The guarantee bandwidth of first user.
Further include a kind of mechanism of heartbeat resource reservation in the embodiment of the present invention, that is, ensures that each terminal device can retain
The heartbeat inspecting resource of preset length, to keep the heartbeat data of user to transmit, which is according to minimum
In the case of MCS, the time interval resource size that a control data bag or fragment are smoothly transmitted can guarantee, channel condition evil occurring
In the case of bad, at least the resource can be reserved to each terminal device.
In practical applications, terminal device and radio reception device carry out the transmission of data according to the time interval resource of distribution
Following implemented step is specifically included with reception：
1, in sending time slots (for radio reception device in descending time slot, terminal device is in ascending time slot) from new biography data queue
Middle composition data packet, is filled into time interval resource and is sent；
2, according to the confirmation message of data packet, judge whether transmitted data are properly received, and the number to not being properly received
It is retransmitted according to packet, is filled into time interval resource and sends.
In addition, terminal device and radio reception device are in WiFi physical layers, it is also necessary to according to 802.11g/a/n/ac physics
Layer standard needs the data sent to be modulated coding radio reception device (downlink) and terminal device node (uplink), with
And PPDU lead codes are generated, the encapsulation of physical layer data packet is completed and are sent by radio frequency mouth.Receiving terminal is by detecting
Lead code, judgement receives the data packet based on WiFi physical layers, and is parsed to it.
Compared with prior art, wireless communications method provided in an embodiment of the present invention has following advantages and beneficial effects：
The embodiment of the present invention uses TDMA technologies, overcomes WLAN user QoS time delays are high, utilization rate of air interface resource is relatively low to ask
Topic, realizes the wireless communication system of multi-user.
The embodiment of the present invention can carry out the flexible configuration of uplink and downlink resource according to different scenes, and can pass through concentration
Source scheduling mode improves the quality of service guarantee of network, increases eating dishes without rice or wine for network to promote network real time business load-carrying properties
Utilization rate promotes network ensemble average handling capacity.
The embodiment of the present invention is opposite to be based on WiMAX, the wireless communication system of the standards such as LTE, has at low cost, arranges net flexibly
Advantage.
Fig. 5 diagrammatically illustrates the flow chart of the wireless communications method of one embodiment of the invention.It is provided in this embodiment
Wireless communications method is executed by network planning equipment, and with reference to Fig. 5, the wireless communications method of the embodiment of the present invention specifically includes following
Step：
S21, the net planning parameter for obtaining current network.
S22, the net planning parameter is issued to corresponding radio reception device, the net planning parameter includes institute
The slot cycle and network up and down time slot proportion for stating the TDMA frame of radio reception device, for the radio reception device root
Determine the structure of time slot of the slot cycle according to the slot cycle and network up and down time slot proportion, and with it is determining described when
Gap structure is communicated with each terminal device.
Wireless communications method provided in an embodiment of the present invention, by will be under the net planning parameter for the current network that got
It is dealt into corresponding radio reception device, for the net planning parameter that radio reception device goes out according to network planning facility planning,
Net planning parameter includes that the slot cycle of TDMA frame and network up and down time slot proportion carry out function time slot to slot cycle
It divides, determines the structure of time slot of slot cycle, and based on the distributing slot resources side that the determining structure of time slot passes through concentration
Formula is that each terminal device distributes corresponding time interval resource, promotes the real time business load-carrying properties and service quality QoS of wireless network,
The utilization rate and network average throughput of interface-free resources are improved, realizes the cordless communication network based on low cost.Moreover, the network
It can also be according to the flexible configuration for being applicable in scene progress uplink/downlink resource, to meet the different business demand of different scenes.
In the present embodiment, the net planning parameter for obtaining current network, as shown in fig. 6, specifically including following steps：
S211, the network user's capacity for determining current network.
S212, each end is configured according to the service quality QoS of each terminal device in network user's capacity and current network
User's uplink/downlink of end equipment ensures bandwidth.
S213, it is protected according to the moving range of each terminal device in current network and user's uplink/downlink of each terminal device
Bandwidth is demonstrate,proved, determines that user's uplink/downlink of each terminal device ensures time slot respectively.It specifically includes：According to the shifting of each terminal device
Nearest, the maximum distance of dynamic range, terminal device to AP, plan minimum MCS (the Modulation and of the terminal device
Coding Scheme, modulation and coding strategy) index value；Ensure bandwidth according to user's uplink and downlink of each terminal device, and
The MCS value of planning, the user's uplink and downlink for converting each terminal device ensure time slot.
S214, user's uplink/downlink based on all terminal devices ensure the TDMA of the current radio reception device of time slot configuration
The slot cycle and network up and down time slot proportion of frame.
Network planning equipment is mainly completed the configuration of net planning parameter and is issued, and is implemented as follows：According to covering
Range plans number of users capacity in network, and according to the QoS characteristics of each user, carries out user's uplink and downlink and ensure band
MCS value range is assessed in wide planning, and the moving range further combined with each user and the nearest maximum distance to AP, and
Ensure that bandwidth and MCS index values planning user's uplink and downlink ensure time slot according to user's uplink and downlink, finally integrates the upper of all users
Descending guarantee time slot plans the frame period of TDMA frame and the network up and down time slot proportion of whole network.
In the embodiment of the present invention, network planning personnel are by network planning equipment, according to current environment of arranging net, related need
Network user's number capacity, each terminal device uplink and downlink guarantee bandwidth and the corresponding MCS values asked and formulated, the purpose is to carry
For a set of rational configuration, under current-configuration, each terminal device can meet descending guarantee rate thereon, normal data transmitting-receiving
Terminal device quantity be guaranteed.Since network channel environment is ever-changing, therefore set configuration is a set of to match than more conservative
It sets, can disclosure satisfy that the band that the needs of each terminal device under certain number of users ensure under conditions of slightly below normal channel
It is wide.
Further, described, user's uplink and downlink based on all terminal devices ensures time slot configuration radio reception device
It is further comprising the steps of after the slot cycle and network up and down time slot proportion of TDMA frame：Worked as according to any terminal equipment
Uplink and downlink business proportion under preceding scene adjusts the network up and down time slot proportion.In the present embodiment, network up and down time slot
Proportioning can carry out flexible configuration according to the uplink and downlink business proportion under real time business scene.
Fig. 7 diagrammatically illustrates the flow chart of the wireless communications method of one embodiment of the invention.It is provided in this embodiment
Wireless communications method is executed by terminal device, and with reference to Fig. 7, the wireless communications method of the embodiment of the present invention specifically includes following step
Suddenly：
S31, obtain radio reception device distributing slot resources as a result, the distributing slot resources the result is that wireless access
Equipment is distributed according to the structure of time slot of the slot cycle of TDMA frame；Wherein, include preset each business in the structure of time slot
The position of the corresponding duration of type and the corresponding duration of each type of service in the slot cycle.
S32, it is communicated with the radio reception device according to the distributing slot resources result.
Wireless communications method provided in an embodiment of the present invention, the time interval resource that terminal device passes through acquisition radio reception device
Allocation result, and communicated with the radio reception device based on distributing slot resources result, wherein distributing slot resources knot
Fruit is that radio reception device is distributed according to the structure of time slot of the slot cycle of TDMA frame, and the real time business for promoting wireless network is held
Performance and service quality QoS are carried, the utilization rate and network average throughput of interface-free resources are improved, is realized based on the wireless of low cost
Communication network.Moreover, the network can also be according to the flexible configuration for being applicable in scene progress uplink and downlink resource, to meet different scenes
Different business demand.
In the present embodiment, the distributing slot resources for obtaining radio reception device are as a result, especially by following steps reality
It is existing：The broadcast message that the radio reception device is sent is received, the broadcast message includes the mark of the radio reception device
Number, the identification number of each terminal device and the corresponding uplink and downlink distributing slot resources result of each terminal device.
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. 8 diagrammatically illustrates a kind of structural schematic diagram of radio reception device of one embodiment of the invention.With reference to figure
8, the radio reception device of the embodiment of the present invention includes access side acquisition module 401, configuration module 402, resource distribution module 403
And access side communication module 404, wherein：
Access side acquisition module 401, the net planning parameter issued for obtaining network planning equipment, the network planning
Parameter includes the slot cycle and network up and down time slot proportion of TDMA frame；
Configuration module 402, for determining the slot cycle according to the slot cycle and network up and down time slot proportion
Structure of time slot, corresponded to comprising preset each corresponding duration of type of service and each type of service in the structure of time slot
Position of the duration in the slot cycle；
Resource distribution module 403, for being that each terminal device distributes corresponding time slot according to the determining structure of time slot
Resource；
Side communication module 404 is accessed, is communicated with each terminal device for being based on distributing slot resources result.
In embodiments of the present invention, each type of service includes broadcasting service, upstream data service, downlink data industry
Business.
Correspondingly, the configuration module 402 is specifically used for distributing broadcasting service pair in the initial position of the slot cycle
The time slot answered, and according to the network up and down time slot proportion slot cycle is distributed surplus after the time slot
Remaining duration distributes the corresponding upstream data time slot of upstream data service and the corresponding downlink data of distributing position, downstream data traffic
Time slot and distributing position.
In embodiments of the present invention, each type of service further includes contention access business.
Correspondingly, the configuration module 402 is specifically used for distributing broadcasting service pair in the initial position of the slot cycle
After the time slot answered, the distribution contention access business of the residual time length after the time slot is distributed based on the slot cycle
Corresponding random access time slot and distributing position.
In embodiments of the present invention, the net planning parameter further includes that user's uplink/downlink ensures bandwidth；
Correspondingly, the resource distribution module 403 specifically includes attached acquisition submodule not shown in the figure and distribution submodule
Block, wherein：
The acquisition submodule, for obtaining each terminal device uplink/downlink data volume to be sent and current
The minimum index value of used modulation and coding strategy MCS；
The distribution sub module, for according to each terminal device uplink/downlink data volume to be sent and current institute
The minimum index value of the MCS used meets the up/down line number that user's uplink/downlink ensures bandwidth for the distribution of corresponding terminal equipment
According to time interval resource.
Further, the distribution sub module is additionally operable to according to each terminal device uplink/downlink data volume to be sent
And the minimum index value of currently employed MCS is that the distribution of corresponding terminal equipment meets user's uplink/downlink guarantee bandwidth
Uplink/downlink data slot resource after, if there is also remaining uplink/downlink data slot resources, according to each terminal device
User Priority and/or uplink/downlink data volume to be sent the remaining uplink/downlink data slot resource is divided
Match.
Further, the net planning parameter further includes that user's uplink/downlink ensures time slot.
Correspondingly, the distribution sub module, be additionally operable to according to each terminal device uplink/downlink data volume to be sent with
And the minimum index value of currently employed MCS is that the distribution of corresponding terminal equipment meets user's uplink/downlink guarantee bandwidth
After uplink/downlink data slot resource, if the uplink/downlink data slot resource that there is distribution is unsatisfactory for the guarantee of user's uplink/downlink
The terminal device of bandwidth then ensures that time slot is that terminal device distributes time slot money according to the corresponding user's uplink/downlink of each terminal device
Source.
Further, the distribution sub module is additionally operable to be higher than the terminal device of predetermined threshold value when appearance transmission Block Error Rate
When, it is that the terminal device of low priority retains the heartbeat inspecting time interval resource of preset length, the terminal of the low priority is set
The standby time interval resource in addition to the heartbeat inspecting time interval resource is discharged.
Fig. 9 diagrammatically illustrates a kind of structural schematic diagram of network planning equipment of one embodiment of the invention.With reference to figure
9, the network planning equipment of the embodiment of the present invention includes Network planning module 501 and network-side communication module 502, wherein：
Network planning module 501, the net planning parameter for determining current network；
Network-side communication module 502, the net planning parameter for determining Network planning module are issued to correspondence
Radio reception device, the net planning parameter includes the slot cycle and network of the TDMA frame of the radio reception device
Uplink and downlink timeslot matches, so that the radio reception device determines institute according to the slot cycle and network up and down time slot proportion
The structure of time slot of slot cycle is stated, and is communicated with each terminal device with the determining structure of time slot.
In the present embodiment, the Network planning module 502 is specifically used for：Determine network user's capacity of current network；Root
Configured according to the service quality QoS of each terminal device in network user's capacity and current network on the user of each terminal device/
Descending guarantee bandwidth；It is protected according to the moving range of each terminal device in current network and user's uplink/downlink of each terminal device
Bandwidth is demonstrate,proved, determines that user's uplink/downlink of each terminal device ensures time slot respectively；User's uplink/downlink based on all terminal devices
Ensure the slot cycle and network up and down time slot proportion of the TDMA frame of the current radio reception device of time slot configuration.
Further, the network-side communication module 502 is additionally operable to above and below the user based on all terminal devices
After row ensures slot cycle and the network up and down time slot proportion of the TDMA frame of time slot configuration radio reception device, according to any
Uplink and downlink business proportion of the terminal device under current scene adjusts the network up and down time slot proportion.
Figure 10 diagrammatically illustrates a kind of structural schematic diagram of terminal device of one embodiment of the invention.Referring to Fig.1 0,
The terminal device of the embodiment of the present invention includes end side acquisition module 601 and end side communication module 602, wherein：
End side acquisition module 601, the distributing slot resources for obtaining radio reception device are as a result, the time interval resource
Allocation result is that radio reception device is distributed according to the structure of time slot of the slot cycle of TDMA frame；Wherein, the structure of time slot
In comprising preset each corresponding duration of type of service and the corresponding duration of each type of service in the slot cycle
Position；
End side communication module 602, for being carried out according to the distributing slot resources result and the radio reception device
Communication.
Further, the end side acquisition module 601 is specifically used for receiving the broadcast that the radio reception device is sent
Information, the broadcast message include that the identification number of the radio reception device, the identification number of each terminal device and each terminal are set
Standby corresponding uplink and downlink distributing slot resources result.
Terminal device provided in an embodiment of the present invention, by obtaining the distributing slot resources of radio reception device as a result, simultaneously
It is communicated with the radio reception device based on distributing slot resources result, wherein distributing slot resources are the result is that wirelessly connect
Enter what equipment was distributed according to the structure of time slot of the slot cycle of TDMA frame, promotes the real time business load-carrying properties kimonos of wireless network
Be engaged in quality Q oS, improves the utilization rate and network average throughput of interface-free resources, realizes the cordless communication network based on low cost.
Moreover, the network can also be according to the flexible configuration for being applicable in scene progress uplink and downlink resource, to meet the different business of different scenes
Demand.
In addition, radio reception device and terminal device include：Data link module and WiFi physical layer blocks.
Wherein, data link module realizes that the transmitting-receiving process of entire end-to-end data, step include：
1) time interval resource distributed according to resource distribution module, carries out sending and receiving for data, including 1, sending
Time slot (for access device in descending time slot, terminal device is in ascending time slot) composition data packet from new biography data queue, is filled into
Carry out being sent to physical layer in time interval resource, 2, according to the confirmation message of data packet, judge whether transmitted data are properly received,
And the data packet not being properly received is retransmitted, it is filled into time interval resource and is sent to physical layer；
2) after receiving data packet, it is put into order caching, upper layer is sent it to after reordering
Wherein, WiFi physical layer blocks
According to 802.11g/a/n/ac physical layer standards, AP nodes (downlink) and terminal device node (uplink) are needed to send out
The data sent are modulated coding, and generate PPDU lead codes, complete the encapsulation of physical layer data packet and are sent out by radio frequency mouth
It sees off.For receiving terminal by detecting lead code, judgement receives the data packet based on WiFi physical layers, and is parsed to it.
In conclusion according to above-mentioned method, the channel radio of multi-user can be realized on the basis of by the reasonable network planning
Letter, the indexs such as efficiency, QoS satisfactions, rate, networking cost all have promotion compared with front and continued scheme.
For apparatus embodiments, since it is basically similar to the method embodiment, so description is fairly simple, it is related
Place illustrates referring to the part of embodiment of the method.
System embodiment described above is only schematical, wherein the unit illustrated as separating component can
It is physically separated with being or may not be, the component shown as unit may or may not be physics list
Member, you can be located at a place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of module achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case of, you can to understand and implement.
Wireless communications method and radio reception device provided in an embodiment of the present invention, network planning equipment, terminal device, this
The wireless communications method and radio reception device, network planning equipment, terminal device that inventive embodiments provide, by according to network
The net planning parameter that planning apparatus is cooked up, when net planning parameter includes the slot cycle and network up and down of TDMA frame
Gap proportioning carries out function time slot division to slot cycle, determines the structure of time slot of slot cycle, and based on the determining time slot
The distributing slot resources mode that structure passes through concentration is that each terminal device distributes corresponding time interval resource, promotes the reality of wireless network
When service bearer performance and service quality QoS, improve the utilization rate and network average throughput of interface-free resources, realize based on it is low at
This cordless communication network.
In embodiments of the present invention, it should be understood that disclosed device and method, it can be real by another way
It is existing.For example, apparatus embodiments described above are merely indicative, for example, the division of the unit or unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, equipment or unit
It connects, can be electrical or other forms.
Each functional unit in embodiments of the present invention can be integrated in a processing unit or each unit also may be used
To be independent physical module.If the integrated unit is realized in the form of SFU software functional unit and as independent production
Product are sold or in use, can be stored in a computer read/write memory medium.Based on this understanding, the present invention is implemented
The all or part of the technical solution of example can be expressed in the form of software products, which is stored in one
In a storage medium, including some instructions are used so that a computer equipment, such as can be personal computers, server,
Or network equipment etc. or processor (processor) execute all or part of step of each embodiment the method for the present invention
Suddenly.And storage medium above-mentioned includes：General serial bus USB (Universal Serial Bus flash drive),
Mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access
Memory, RAM), the various media that can store program code such as magnetic disc or CD.
It will be appreciated by those of skill in the art that although some embodiments in this include included in other embodiments
Certain features rather than other feature, but the combination of the feature of different embodiments means to be within the scope of the present invention simultaneously
And form different embodiments.For example, in the following claims, the one of arbitrary of embodiment claimed all may be used
It is used in a manner of in any combination.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (21)
1. a kind of wireless communications method, which is characterized in that including：
Obtain the net planning parameter that issues of network planning equipment, the net planning parameter include the slot cycle of TDMA frame with
And network up and down time slot proportion；
The structure of time slot of the slot cycle, the time slot knot are determined according to the slot cycle and network up and down time slot proportion
In structure comprising preset each corresponding duration of type of service and the corresponding duration of each type of service in the slot cycle
Position；
It is that each terminal device distributes corresponding time interval resource according to the determining structure of time slot；
It is communicated with each terminal device based on distributing slot resources result.
2. according to the method described in claim 1, it is characterized in that, each type of service includes broadcasting service, upstream data
Business, downstream data traffic；
The structure of time slot that the slot cycle is determined according to the slot cycle and network up and down time slot proportion, including：
In the corresponding time slot of initial position distribution broadcasting service of the slot cycle, and when according to the network up and down
Gap distributes the corresponding upper line number of residual time length distribution upstream data service after the time slot with the comparison slot cycle
According to time slot and the corresponding downlink data time slot of distributing position, downstream data traffic and distributing position.
3. according to the method described in claim 2, it is characterized in that, each type of service further includes contention access business；
After the corresponding time slot of initial position distribution broadcasting service of the slot cycle, the method further includes：
Contention access business is corresponding connects at random for the residual time length distribution distributed based on the slot cycle after the time slot
Input time slot and distributing position.
4. according to the method described in claim 2, it is characterized in that, the net planning parameter further includes user's uplink/downlink guarantor
Demonstrate,prove bandwidth；
It is described to distribute corresponding time interval resource according to the determining structure of time slot for each terminal device, including：
Obtain each terminal device uplink/downlink data volume to be sent and currently employed modulation and coding strategy MCS
Minimum index value；
It is phase according to each terminal device uplink/downlink data volume to be sent and the minimum index value of currently employed MCS
Terminal device distribution is answered to meet the uplink/downlink data slot resource that user's uplink/downlink ensures bandwidth.
5. according to the method described in claim 4, it is characterized in that, in the up/down to be sent according to each terminal device
Row data volume and the minimum index value of currently employed MCS are that the distribution of corresponding terminal equipment meets user's uplink/downlink
After the uplink/downlink data slot resource for ensureing bandwidth, the method further includes：
If there is also remaining uplink/downlink data slot resource, according to the User Priority of each terminal device and/or pending
The uplink/downlink data volume sent is allocated the remaining uplink/downlink data slot resource.
6. according to the method described in claim 5, it is characterized in that, the net planning parameter further includes user's uplink/downlink guarantor
Demonstrate,prove time slot；
It is being according to the minimum index value of each terminal device uplink/downlink data volume to be sent and currently employed MCS
After the distribution of corresponding terminal equipment meets the uplink/downlink data slot resource that user's uplink/downlink ensures bandwidth, the method
Further include：
If the uplink/downlink data slot resource that there is distribution is unsatisfactory for the terminal device that user's uplink/downlink ensures bandwidth, basis
The corresponding user's uplink/downlink of each terminal device ensures that time slot is that terminal device distributes time interval resource.
7. according to the method described in claim 6, it is characterized in that, the method further includes：
It is that the terminal device of low priority retains preset length when there is terminal device of the transmission Block Error Rate higher than predetermined threshold value
Heartbeat inspecting time interval resource, the time slot of the terminal device of the low priority in addition to the heartbeat inspecting time interval resource is provided
Source is discharged.
8. a kind of wireless communications method, which is characterized in that including：
Obtain the net planning parameter of current network；
The net planning parameter is issued to corresponding radio reception device, the net planning parameter includes described wirelessly connecing
The slot cycle and network up and down time slot proportion for entering the TDMA frame of equipment, for the radio reception device according to it is described when
Gap period and network up and down time slot proportion determine the structure of time slot of the slot cycle, and with the determining structure of time slot with
Each terminal device is communicated.
9. according to the method described in claim 8, it is characterized in that, it is described obtain current network net planning parameter, including：
Determine network user's capacity of current network；
The use of each terminal device is configured according to the service quality QoS of each terminal device in network user's capacity and current network
Family uplink/downlink ensures bandwidth；
Ensure bandwidth according to the moving range of each terminal device in current network and user's uplink/downlink of each terminal device, point
Not Que Ding each terminal device user's uplink/downlink ensure time slot；
User's uplink/downlink based on all terminal devices ensures the time slot week of the TDMA frame of the current radio reception device of time slot configuration
Phase and network up and down time slot proportion.
10. according to the method described in claim 9, it is characterized in that, in user's uplink and downlink based on all terminal devices
After the slot cycle and the network up and down time slot proportion that ensure the TDMA frame of time slot configuration radio reception device, the method is also
Including：
The network up and down time slot proportion is adjusted according to uplink and downlink business proportion of any terminal equipment under current scene.
11. a kind of wireless communications method, which is characterized in that including：
Obtain radio reception device distributing slot resources as a result, the distributing slot resources the result is that radio reception device according to
The structure of time slot distribution of the slot cycle of TDMA frame；Wherein, it is corresponded to comprising preset each type of service in the structure of time slot
Position in the slot cycle of duration and the corresponding duration of each type of service；
It is communicated with the radio reception device according to the distributing slot resources result.
12. according to the method for claim 11, which is characterized in that the distributing slot resources for obtaining radio reception device
As a result, including：
The broadcast message that the radio reception device is sent is received, the broadcast message includes the mark of the radio reception device
Number, the identification number of each terminal device and the corresponding uplink and downlink distributing slot resources result of each terminal device.
13. a kind of radio reception device, which is characterized in that including：
Access side acquisition module, the net planning parameter issued for obtaining network planning equipment, the net planning parameter packet
Include the slot cycle and network up and down time slot proportion of TDMA frame；
Configuration module, the time slot knot for determining the slot cycle according to the slot cycle and network up and down time slot proportion
Structure exists comprising preset each corresponding duration of type of service and the corresponding duration of each type of service in the structure of time slot
Position in the slot cycle；
Resource distribution module, for being that each terminal device distributes corresponding time interval resource according to the determining structure of time slot；
Side communication module is accessed, is communicated with each terminal device for being based on distributing slot resources result.
14. radio reception device according to claim 13, which is characterized in that each type of service includes broadcast service
Business, upstream data service, downstream data traffic；
The configuration module is specifically used for the corresponding time slot of initial position distribution broadcasting service in the slot cycle,
And the slot cycle is distributed according to the network up and down time slot proportion in the distribution of the residual time length after the time slot
The corresponding upstream data time slot of row data service and the corresponding downlink data time slot of distributing position, downstream data traffic and distribution position
It sets.
15. radio reception device according to claim 14, which is characterized in that each type of service further includes that competition connects
Enter business；
The configuration module, be specifically used for the slot cycle the corresponding time slot of initial position distribution broadcasting service it
Afterwards, distribute the distribution of the residual time length after time slot contention access business corresponding random access based on the slot cycle
Time slot and distributing position.
16. radio reception device according to claim 14, which is characterized in that the net planning parameter further includes user
Uplink/downlink ensures bandwidth；
The resource distribution module, including：
Acquisition submodule, for obtaining each terminal device uplink/downlink data volume to be sent and currently employed tune
The minimum index value of system and coding strategy MCS；
Distribution sub module, for according to each terminal device uplink/downlink data volume to be sent and currently employed MCS
Minimum index value is that the distribution of corresponding terminal equipment meets the uplink/downlink data slot resource that user's uplink/downlink ensures bandwidth.
17. radio reception device according to claim 16, which is characterized in that the distribution sub module is additionally operable in root
It is corresponding terminal according to each terminal device uplink/downlink data volume to be sent and the minimum index value of currently employed MCS
After equipment distribution meets the uplink/downlink data slot resource that user's uplink/downlink ensures bandwidth, if there is also remaining
Uplink/downlink data slot resource, then according to the User Priority of each terminal device and/or uplink/downlink data volume pair to be sent
The remaining uplink/downlink data slot resource is allocated.
18. radio reception device according to claim 17, which is characterized in that the net planning parameter further includes user
Uplink/downlink ensures time slot；
The distribution sub module is additionally operable to adopted according to each terminal device uplink/downlink data volume to be sent and currently
The minimum index value of MCS is that the distribution of corresponding terminal equipment meets the uplink/downlink data that user's uplink/downlink ensures bandwidth
After time interval resource, if the uplink/downlink data slot resource that there is distribution is unsatisfactory for user's uplink/downlink and ensures that the terminal of bandwidth is set
It is standby, then ensure that time slot is that terminal device distributes time interval resource according to the corresponding user's uplink/downlink of each terminal device.
19. a kind of network planning equipment, which is characterized in that including：
Network planning module, the net planning parameter for determining current network；
Network-side communication module, the net planning parameter for determining Network planning module, which is issued to, corresponding wirelessly to be connect
Enter equipment, when the net planning parameter includes the slot cycle and network up and down of the TDMA frame of the radio reception device
Gap matches, so that the radio reception device determines the time slot week according to the slot cycle and network up and down time slot proportion
The structure of time slot of phase, and communicated with each terminal device with the determining structure of time slot.
20. network planning equipment according to claim 19, which is characterized in that the Network planning module is specifically used for：
Determine network user's capacity of current network；
The use of each terminal device is configured according to the service quality QoS of each terminal device in network user's capacity and current network
Family uplink/downlink ensures bandwidth；
Ensure bandwidth according to the moving range of each terminal device in current network and user's uplink/downlink of each terminal device, point
Not Que Ding each terminal device user's uplink/downlink ensure time slot；
User's uplink/downlink based on all terminal devices ensures the time slot week of the TDMA frame of the current radio reception device of time slot configuration
Phase and network up and down time slot proportion.
21. a kind of terminal device, which is characterized in that including：
End side acquisition module, the distributing slot resources for obtaining radio reception device are as a result, the distributing slot resources knot
Fruit is that radio reception device is distributed according to the structure of time slot of the slot cycle of TDMA frame；Wherein, include in the structure of time slot
The position of the preset corresponding duration of each type of service and the corresponding duration of each type of service in the slot cycle；
End side communication module, for being communicated with the radio reception device according to the distributing slot resources result.
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| CN108419297B (en) | 2020-11-27 |
| WO2019141082A1 (en) | 2019-07-25 |
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