CN102487540A

CN102487540A - Wireless access method, relevant device and system of single frequency network

Info

Publication number: CN102487540A
Application number: CN2010105711158A
Authority: CN
Inventors: 严凯
Original assignee: WUXI RESEARCH AND DEVELOPMENT CENTER OF HIGH-TECH WEINA SENSOR NETWORKS ENGINEERING TECHNOLOGY CAS; Wuxi Sensing Net Industrialization Research Institute
Current assignee: WUXI RESEARCH AND DEVELOPMENT CENTER OF HIGH-TECH WEINA SENSOR NETWORKS ENGINEERING TECHNOLOGY CAS; Wuxi Sensing Net Industrialization Research Institute
Priority date: 2010-12-02
Filing date: 2010-12-02
Publication date: 2012-06-06
Anticipated expiration: 2030-12-02
Also published as: CN102487540B

Abstract

The embodiment of the invention discloses a wireless access method, a relevant device and a system of a single frequency network. The wireless access method of the single frequency network comprises the following steps that: wireless access equipment receives a access request message from a wireless terminal; if idle time slot resources exist in a cell at which the wireless terminal is positioned, time slot resources, used for transmitting uplink data, among the idle time slot resources, are allocated to the wireless terminal; monitoring data transmitted by the wireless terminal through the allocated time slot resources is received; and the monitoring data is transferred to a central control center. By utilizing the technical scheme of the embodiment of the invention, the efficient wireless access of the terminal in the single frequency network can be realized.

Description

Single frequency network wireless cut-in method and relevant apparatus and system

Technical field

The present invention relates to communication technical field, be specifically related to single frequency network wireless cut-in method, wireless terminal, radio reception device and single-frequency wireless access network system.

Background technology

Existing communication signal replace mode comprises SFN (SFN; Single Frequency Network) and multiple frequency network, MFN (MFN; Multiple Frequency Network); Wherein, SFN is meant that the same time of several transmitting stations launches same wireless signal on same frequency, to realize the reliable covering to certain coverage.Compared to traditional multiple frequency network, MFN, because SFN does not need channeling in the overlay area, the wireless signal in service area can take the communication bandwidth of system complete, therefore can improve the spectrum efficiency of wireless network significantly.

The SFN of city laying at present is mainly used in scenes such as ground digital television broadcast, and its characteristics occupy the main network bandwidth for the base station down data.

Based on several scenes demands such as king's peace, traffic control, fire-fighting, environmental monitorings, often need to carry out more omnibearing real-time radio monitoring to the city complex environment.SFN has plurality of advantages, how to utilize SFN to provide efficiently terminal wireless to insert, and is used to provide the service of the leading network bandwidths of upstream data such as regional wireless monitor with SFN, will be the problem that a utmost point has technological value.

Summary of the invention

The embodiment of the invention provides single frequency network wireless cut-in method and relevant apparatus and system, to realize the efficient wireless access of terminal in SFN.

For solving the problems of the technologies described above, the embodiment of the invention provides following technical scheme:

A kind of single frequency network wireless cut-in method comprises:

Radio reception device receives the access request message from wireless terminal;

If there is idle time interval resource in sub-district, said wireless terminal place, then is the time interval resource that said wireless terminal distributes transmit ascending data from said idle time interval resource;

Receive the monitor data of said wireless terminal through said distributed time slot resource transmission;

Transmit said monitor data to central authorities charge center.

A kind of single frequency network wireless cut-in method comprises:

Wireless terminal sends the first access request to the radio reception device of sub-district, place;

Accept message if receive said radio reception device in the access request that allows to issue after the said wireless terminal access; This access request is accepted message and is carried the indication information of said radio reception device for its distributed time slot resource, then through said distributed time slot resource to said radio reception device transmitting monitor data;

Refuse said wireless terminal and insert if confirm said radio reception device, then get into Status of Backups and proceed area monitoring, and the monitor data under the buffer memory Status of Backups.

A kind of radio reception device comprises:

First receiver module is used to receive the access request message from wireless terminal;

Resource distribution module when being used for there is idle time interval resource in sub-district, said wireless terminal place, be the time interval resource of said wireless terminal distribution transmit ascending data from said idle time interval resource;

Second receiver module is used to receive said wireless terminal through the monitor data of said resource distribution module for its distributed time slot resource transmission;

Forwarding module is used for transmitting the monitor data that said second receiver module receives to central authorities charge center.

A kind of wireless terminal comprises:

Request sending module is used for sending the first access request to the radio reception device of current area;

Data transmission module; Be used for receiving said radio reception device after message is accepted in the access request that issues after the said wireless terminal access of permission; This access request is accepted message and is carried the indication information of said radio reception device for its distributed time slot resource, through said distributed time slot resource to said radio reception device transmitting monitor data;

The backup monitoring module is used for after determining said radio reception device and refusing said wireless terminal and insert, getting into Status of Backups and proceeding area monitoring, and the monitor data under the buffer memory Status of Backups.

A kind of single-frequency wireless access network system comprises:

Central authorities charge center and a plurality of radio reception device,

Wherein, said radio reception device is used to receive the access request message from wireless terminal; If there is idle time interval resource in sub-district, said wireless terminal place, then is the time interval resource that said wireless terminal distributes transmit ascending data from said idle time interval resource; Receive the monitor data of said wireless terminal through said distributed time slot resource transmission; Transmit said monitor data to central authorities charge center.

Therefore the embodiment of the invention is implemented the access control of wireless terminal based on the single-frequency Radio Access Network that comprises central charge center and a plurality of radio reception devices that makes up under the SFN pattern.Radio reception device is behind the access request message that receives from wireless terminal; If there is idle time interval resource, distribute the time interval resource of transmit ascending data for above-mentioned wireless terminal; Receive and transmit wireless terminal to central authorities charge center and pass through to be the monitor data of its distributed time slot resource transmission.This realization mechanism can be realized the efficient wireless access of terminal in SFN, can SFN be used to provide the service of the leading network bandwidths of upstream data such as regional wireless monitor, and then meet the need of market.

Description of drawings

In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the single-frequency wireless access network topological structure sketch map that the embodiment of the invention provides;

Fig. 2 is a kind of single frequency network wireless cut-in method schematic flow sheet that the embodiment of the invention one provides;

Fig. 3 is a kind of single frequency network wireless cut-in method schematic flow sheet that the embodiment of the invention two provides;

Fig. 4 is a kind of wireless channel structure of time slot sketch map that the embodiment of the invention two provides;

Fig. 5 is a kind of priority channel structure of time slot sketch map that the embodiment of the invention two provides;

Fig. 6 is zone bunch division and the resource allocation sketch map that the embodiment of the invention two provides;

Fig. 7 is a kind of radio reception device sketch map that the embodiment of the invention provides;

Fig. 8 is a kind of wireless terminal sketch map that the embodiment of the invention provides;

Fig. 9 is a kind of single-frequency wireless access network system sketch map that the embodiment of the invention provides.

Embodiment

The embodiment of the invention provides single frequency network wireless cut-in method and relevant apparatus and system, can realize the efficient wireless access in terminal.

In order to make those skilled in the art person understand the present invention program better; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment only is the embodiment of the present invention's part, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the present invention's protection.

The scheme of the embodiment of the invention can practical implementation in having disposed the single-frequency wireless access network of central charge center and a plurality of radio reception devices.Referring to Fig. 1; A kind of single-frequency wireless access network topological structure sketch map that Fig. 1 provides for the embodiment of the invention; Wherein, Central authorities charge center and a plurality of radio reception device can be through microwave or wired (for example light pricker etc.) interconnected communications, and each radio reception device can be served one or more sub-districts (among Fig. 1 be example with sub-district of each radio reception device service), and wireless terminal can switch in each moving between cells.Wherein, can by central authorities charge center the cell allocation communication time slot resource of each radio reception device service in the region within the jurisdiction, also can several continuous microzonations be divided into a zone bunch, the zone that central charge center is had jurisdiction over can be divided into a plurality of zones bunch.A plurality of wireless terminals can carry out the real-time radio monitoring and report monitor data guarded region, and the analyzing and processing of monitor data can be responsible in central charge center, to satisfy scene demands such as king's peace, traffic control, fire-fighting or environmental monitoring.

Be described in detail through specific embodiment below.

Embodiment one

A kind of single frequency network wireless cut-in method of the embodiment of the invention is described with the angle of radio reception device by following elder generation.An embodiment of single frequency network wireless cut-in method of the present invention can comprise: radio reception device receives the access request message from wireless terminal; If there is idle time interval resource in this sub-district, wireless terminal place, then is the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from this free time time interval resource; Receive above-mentioned wireless terminal through being the monitor data of its distributed time slot resource transmission; Transmit this monitor data to central authorities charge center.

Referring to Fig. 2, concrete steps can comprise:

210, radio reception device receives the access request message from wireless terminal;

Under a kind of application scenarios; When wireless terminal after certain sub-district powers on; Or after moving to certain sub-district or under other scene, wireless terminal can send the access request message to the radio reception device that is its sub-district, current place service through the access slot (maybe can claim access channel) of its sub-district, current place; Request inserts this radio reception device, so that follow-up to this radio reception device transmitting monitor data etc.And radio reception device can receive the access request message from the wireless terminal of its Serving cell, and this inserts the information such as sign of this wireless terminal of portability in the request message.

Wherein, If have a plurality of wireless terminals all to ask to insert radio reception device in the same sub-district; Then can adopt the competition access mechanism to insert between each wireless terminal, and radio reception device can be preferably the wireless terminal execution access process that sends the access request message at first.

Wherein, each wireless terminal can carry out area monitoring according to configuration information (this configuration information can be that network side issues, and is also pre-configured) after powering on, and the acquisition monitoring data.

220, if there is idle time interval resource in sub-district, above-mentioned wireless terminal place, then radio reception device is the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from this free time time interval resource;

In practical application; Central authorities charge center can be when system initialization; Be the cell allocation communication time slot resource of each radio reception device service in its region within the jurisdiction, can be the time interval resource of each cell allocation equal number, also can distribute the time interval resource of varying number certainly; Also can several (for example 5,7 or other the number) microzonation that links to each other be divided into a zone bunch, the zone that central charge center is had jurisdiction over can be divided into a plurality of zones bunch.The scheme of the embodiment of the invention is mainly to occupy the whole time interval resources of system (the same frequency to reduce as far as possible between each sub-district in the zone bunch disturbs) with time division multiple access way between each sub-district in the zone bunch; Be that example is described with the multiplexing time interval resource of time division multiplexing mode (the same frequency to reduce as far as possible between the zone bunch disturbs) between each zone bunch; Be appreciated that; Owing to be based on SFN pattern access network; Therefore the whole time interval resources of system all are with frequently, and each sub-district in the zone that promptly central charge center is had jurisdiction over takies with time interval resource frequently.Certainly, can also the code division multi-access mode between each sub-district in the zone bunch or alternate manner occupy the whole time interval resources of system, can also the multiplexing time interval resource of other multiplex mode between each zone bunch.

Wherein, sub-district, above-mentioned wireless terminal place is a sub-district of radio reception device service, and above-mentioned radio reception device possibly only served the sub-district at this wireless terminal place, also possibly serve a plurality of sub-districts that comprise this sub-district.Radio reception device can be known Serving cell current resource operating position; So it can be judged that sub-district, this wireless terminal place is current and whether have an idle time interval resource; If there is idle time interval resource in this sub-district, wireless terminal place, then radio reception device can be the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from this free time time interval resource.If there is not idle time interval resource in this sub-district, wireless terminal place; Radio reception device can be refused this wireless terminal and insert; Perhaps; This radio reception device also can be inquired about neighbor cell (this neighbor cell and sub-district, this wireless terminal place can belong to the same area bunch, and this neighbor cell can be any sub-district in this sub-district, wireless terminal place affiliated area bunch) and whether have available idle time interval resource; If do not exist, radio reception device can be refused this wireless terminal and insert; If exist, then this radio reception device can be the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from the idle time interval resource that this neighbor cell can be used.

Wherein, if can direct communication between radio reception device, then whether this radio reception device can exist available idle time interval resource to this neighbor cell of radio reception device inquiry for this neighbor cell service; If not directly communication between radio reception device, then whether this radio reception device can exist available idle time interval resource through central authorities' this neighbor cell of charge center inquiry; Perhaps; Central authorities charge center can periodically or according to request issue broadcast; This broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under sub-district, this wireless terminal place, and this radio reception device can be inquired about this neighbor cell in view of the above and whether have available idle time interval resource.

Need to prove that the available idle time interval resource of neighbor cell can refer to, in the idle time interval resource can by other sub-district use that part of; At some in particular cases, though there is idle time interval resource in some sub-district, it partly or entirely has special-purpose and can not be used by other sub-district; At this moment; Even there is idle time interval resource this sub-district, but for other sub-district, this free time time interval resource possibly also be disabled.

230, radio reception device receives above-mentioned wireless terminal through being the monitor data of its distributed time slot resource transmission;

Under a kind of application scenarios; If radio reception device is confirmed as the time interval resource that above-mentioned wireless terminal distributes transmit ascending data; Promptly allow this wireless terminal to insert; Then it can send the request of access to this wireless terminal and accept message; The indication information (can also carry out of Memory certainly) of promising this wireless terminal distributed time slot resource of message portability is accepted in this access request, and this wireless terminal knows in view of the above and be allowed to access, can be through being its distributed time slot resource transmission monitor data (for example can be the perhaps data of other type of audio, video data, text data).If radio reception device is confirmed the access of this wireless terminal of refusal; Then radio reception device can send to this wireless terminal and insert the request refuse information, and this wireless terminal is confirmed not to be allowed to access in view of the above, perhaps; Radio reception device can also be after confirming that this wireless terminal of refusal inserts; Not to this wireless terminal feedback response, this wireless terminal does not receive the response of radio reception device feedback in setting duration, and then the definite of acquiescence is not allowed to access.

240, radio reception device is transmitted this monitor data to central authorities charge center.

Under a kind of application scenarios, behind the monitor data that the wireless terminal of radio reception device in receiving its Serving cell sends, can this monitor data be transmitted to central charge center, central charge center can be responsible for this monitor data is carried out analyzing and processing etc.Wherein, Radio reception device can directly be transmitted to central charge center with the monitor data from wireless terminal; Be transmitted to central charge center after perhaps also can the monitor data from wireless terminal necessarily being gone out to handle (for example filtering merging, format conversion etc.).

In addition; After distributing the time interval resource of transmit ascending data for wireless terminal; Radio reception device also can send the message of the indication information that carries the distributing slot resources situation to central authorities charge center, so that the current distributing slot resources situation in sub-district is understood at central charge center in view of the above.

In addition; With wireless terminal communications in have no progeny; The recoverable time interval resource that distributes transmit ascending data for this wireless terminal of radio reception device; And message from the indication information that carries the current time slots resource allocation conditions to central authorities charge center that can send, so that the current distributing slot resources situation in sub-district is understood at central charge center in view of the above.

In practical application; Central authorities charge center periodically property or under the triggering of particular event (when for example the distributing slot resources situation in zone bunch changes); Bunch issue broadcast to its part or all of zone of having jurisdiction over, this broadcast portability has the indication information of each sub-district current time slots resource allocation conditions in the zone bunch etc.Radio reception device can be known each sub-district current time slots resource allocation conditions in its Serving cell affiliated area bunch after receiving this broadcast that central charge center issues.

It is understandable that the radio reception device that the embodiment of the invention is mentioned can be other entity with wireless access function in base station or the Access Network.The central authorities of the embodiment of the invention center of accusing can a platform independent charge equipment, a charge system that also forms by multiple devices.

Under a kind of application scenarios, wireless terminal can get into Status of Backups and proceed area monitoring after confirming this its access of radio reception device refusal, and the monitor data under the buffer memory Status of Backups.In addition, wireless terminal also can wait for that the radio reception device transmission of scheduled duration continued to the sub-district, place inserts request message after definite its access of radio reception device refusal; Accept message if receive sub-district, place radio reception device in the access request that allows to issue after this wireless terminal access; The information such as indication information of this radio reception device of message portability for its distributed time slot resource is accepted in this access request, then through monitor data and/or the current monitor data of this distributed time slot resource under this radio reception device transmission backup state; Insert if confirm this wireless terminal of radio reception device refusal of sub-district, place, then continue to carry out area monitoring, and continue the monitor data under the buffer memory Status of Backups at Status of Backups.

Therefore present embodiment is implemented the access control of wireless terminal based on the single-frequency Radio Access Network that comprises central charge center and a plurality of radio reception devices that makes up under the SFN pattern.Radio reception device is behind the access request message that receives from wireless terminal; If there is idle time interval resource, distribute the time interval resource of transmit ascending data for above-mentioned wireless terminal; Receive and transmit wireless terminal to central authorities charge center and pass through to be the monitor data of its distributed time slot resource transmission.This realization mechanism can be realized the efficient wireless access of terminal in SFN, can SFN be used to provide the service of the leading network bandwidths of upstream data such as regional wireless monitor, and then meet the need of market.

Further; Can be a plurality of zones with the area dividing of central authorities' charge center administration; Several continuous microzonations are divided into a zone bunch, and mainly occupy the whole time interval resources of system with time division multiple access way between each sub-district in the zone bunch, between each zone bunch mainly with the multiplexing time interval resource of time division multiplexing mode; The same frequency interference between each sub-district in regional bunch and between regional bunch can be reduced as far as possible, communication quality and frequency efficiency can be effectively guaranteed.

With the angle of wireless terminal, a kind of single frequency network wireless cut-in method of the embodiment of the invention is described below.Another embodiment of single frequency network wireless cut-in method of the present invention can comprise: wireless terminal sends the first access request to the radio reception device of sub-district, place; Accept message if receive this radio reception device in the access request that allows to issue after this wireless terminal access; This access request is accepted message and is carried the indication information of above-mentioned radio reception device for its distributed time slot resource, then passes through this distributed time slot resource to above-mentioned radio reception device transmitting monitor data; Insert if confirm this this wireless terminal of radio reception device refusal, then can get into Status of Backups and proceed area monitoring, and the monitor data under the buffer memory Status of Backups.

Further, wireless terminal also can the radio reception device transmission second to the sub-district, place insert request message after waiting for scheduled duration after definite its access of radio reception device refusal; Accept message if receive sub-district, place radio reception device in the access request that allows to issue after this wireless terminal access; The information such as indication information of this radio reception device of message portability for its distributed time slot resource is accepted in this access request, then through monitor data and/or the current monitor data of this distributed time slot resource under this radio reception device transmission backup state; Insert if confirm this wireless terminal of radio reception device refusal of sub-district, place, then continue to carry out area monitoring, and continue the monitor data under the buffer memory Status of Backups at Status of Backups.

Embodiment two

For ease of better understanding the technical scheme of the embodiment of the invention, carry out more detailed elaboration through a more concrete embodiment below.

Referring to Fig. 3, concrete steps can comprise:

301, central charge center initialization single-frequency wireless access network;

In practical application; Central authorities charge center can be when the network system initialization; Be the cell allocation communication time slot resource of each radio reception device service in its region within the jurisdiction, can be the time interval resource of each cell allocation equal number, also can distribute the time interval resource of varying number certainly.

Central authorities charge center also can be divided into a zone bunch with several (for example 5,7 or other number) microzonations that links to each other, and the zone that central charge center is had jurisdiction over can be divided into a plurality of zones bunch.Wherein, Occupy the whole time interval resources of system with time division multiple access way between each sub-district in regional bunch; Same frequency to reduce as far as possible between each sub-district in regional bunch disturbs, and with the multiplexing time interval resource of time division multiplexing mode, disturbs with the same frequency that reduces as far as possible between regional bunch between each regional bunch.Be appreciated that owing to be based on SFN pattern access network, so the whole time interval resources of system all are with frequently that each sub-district in the zone that promptly central charge center is had jurisdiction over takies with time interval resource frequently.

A kind of network slot structure that the present embodiment exemplified provides according to the difference of transmission medium in the isochronous schedules cycle 1s, describes channel distribution and function for example.

Referring to Fig. 4, a kind of network wireless channel time slot structural representation that Fig. 4 provides for present embodiment.

For instance, can wireless channel dispatching cycle (166 time slots) be divided into and mainly comprise 6 parts: the downlink signaling period, insert period, fixed allocation the period/up signaling period, downlink communication period, reservation distribute period and idle period.

The downlink signaling period: be mainly used in radio reception device subordinate's wireless terminal is sent control signaling, for example issue and reach multicast ACK etc. synchronously, its length can be made as 1 time slot.

Insert the period: be used for wireless terminal and send access request sub-district, obtain time interval resource with competition, its length can be made as 1 time slot.

Fixed allocation period/up signaling period: this period was made up of the up period of each wireless terminal, and the fixed allocation period of each wireless terminal is 1 time slot, and it is mainly used in and carries out channel resource application and transmitting uplink data etc.;

The downlink communication period: be used for the base station and subordinate's wireless terminal sent control informations such as (clean culture or broadcasting) time slot allocation, and downlink data transmission, its length can be made as 1 time slot;

Reservation distributes the period: carry out channel resource for a large amount of transmitting uplink data of needs such as video, graphic service etc. and reserve, realize the reservation distribution through terminal and base station Signalling exchange.Reservation distributes the period can adopt the method for uniformly-spaced distributing 7 periods, can't the unified management problem to avoid different base station to receive data.Can receive the data of same wireless terminal through neighbor base station, can judge conveniently whether terminal needs to switch.Distribute the period in reservation, reservation distributes time slot to can be the individual time slot in 154 (22 * 7) at most, and each reservation distributes sub-period can take 22 time slots at most, and per 22 time slots and fixed allocation the period/one of them time slot of up signaling period is corresponding.

Idle period: give period free of data transmission and Signalling exchange, channel idle, idle period takies 2 time slots, and promptly 165～166.

Referring to Fig. 5, a kind of network wire message way structure of time slot sketch map that Fig. 5 provides for present embodiment.

For instance, can a wire message way (present embodiment to be that wire message way is an example between radio reception device and the central charge center) mainly be comprised 3 parts dispatching cycle: feedback period, radio slot, convergence period:

The feedback period: be mainly used in radio reception device feedback wireless terminal and receive that the content that inserts request message signal and energy information are to the charge center inserting the period;

Radio slot: be mainly used in control such as charge center broadcast channel assigned situation signaling and give each radio reception device;

The convergence period: be used for each radio reception device and will receive that monitor data (the for example data of multimedia messages such as audio frequency, video, text data or other type) feeds back to central command and control center.

Referring to Fig. 6; A kind of zone bunch division and resource allocation sketch map that Fig. 6 provides for present embodiment; 7 microzonations that link to each other are divided into a zone bunch; Each sub-district takies different time interval resources, the zone bunch in each sub-district between occupy the whole time interval resources of system with time division multiple access way, each the zone bunch between with the multiplexing time interval resource of time division multiplexing mode.Because the access of wireless terminal all need take idle time interval resource; Network service time interval resource number is equal to the wireless terminal quantity that can serve in the zone bunch, and (for example network service time interval resource number is 7; 7 sub-districts are arranged in the zone; Each sub-district takies a time slot, and the wireless terminal quantity that can serve in then should the zone bunch also is 7), the wireless terminal number of supporting in the whole guarded region that central charge center is had jurisdiction over then is proportional to the regional number of clusters of dividing in the zone.

In practical application, central charge center can issue broadcast to radio reception device, notifies the radio reception device to correspondence through the resource allocation conditions of each cell initial of broadcast after with the network system initialization.

302, radio reception device receives the access request message from wireless terminal s1;

Under a kind of application scenarios; When wireless terminal (below be example with wireless terminal s1) after certain sub-district powers on; Or after moving to certain sub-district or under other scene, wireless terminal s1 can send the access request message to the radio reception device that is its sub-district, current place service through the access slot (maybe can claim access channel) of its sub-district, current place; Request inserts this radio reception device, so that follow-up to this radio reception device transmitting monitor data etc.And radio reception device can receive the access request message from the wireless terminal s1 of its Serving cell, and this inserts the information such as sign of portability wireless terminal s1 in the request message.

Wherein, If have a plurality of wireless terminals all to ask to insert radio reception device in the same sub-district; Then can adopt the competition access mechanism to insert between each wireless terminal; Application communication time slot resource, and radio reception device can be preferably the wireless terminal execution access process that sends the access request message at first.

303, radio reception device judges whether sub-district, wireless terminal s1 place exists idle time interval resource, if there is execution in step 304; If there is not execution in step 305;

304, if there is idle time interval resource in sub-district, wireless terminal s1 place, radio reception device for the time interval resource of wireless terminal s1 distribution transmit ascending data, sends the request of access to this wireless terminal and accepts message from this free time time interval resource; Execution in step 307.

Wherein, sub-district, above-mentioned wireless terminal place is a sub-district of radio reception device service, and above-mentioned radio reception device possibly only served the sub-district at this wireless terminal place, also possibly serve a plurality of sub-districts that comprise this sub-district.Radio reception device can be known Serving cell current resource operating position; So it can be judged that sub-district, wireless terminal s1 place is current and whether have an idle time interval resource; If there is idle time interval resource in sub-district, wireless terminal s1 place; Then radio reception device can be the time interval resource of wireless terminal s1 distribution transmit ascending data from this free time time interval resource, and radio reception device can send the request of access to wireless terminal s1 accept message, wherein; The indication information (going back the portability out of Memory certainly) of the promising wireless terminal s1 of message portability distributed time slot resource is accepted in this access request, and wireless terminal s1 then can be known in view of the above and is allowed to access.

305, if there is not idle time interval resource in sub-district, wireless terminal s1 place, whether radio reception device inquiry neighbor cell exists available idle time interval resource, if there is execution in step 306; If there is not execution in step 309;

Wherein, this neighbor cell and sub-district, this wireless terminal place can belong to the same area bunch, and this neighbor cell can be any sub-district in this sub-district, wireless terminal place affiliated area bunch.

In practical application, if can direct communication between radio reception device, then whether this radio reception device can exist available idle time interval resource to this neighbor cell of radio reception device inquiry for this neighbor cell service; If not directly communication between radio reception device, then whether this radio reception device can exist available idle time interval resource through central authorities' this neighbor cell of charge center inquiry; Perhaps; Central authorities charge center can periodically or under the triggering of trigger event (when for example the distributing slot resources situation in regional bunch changes) issue broadcast; This broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under sub-district, this wireless terminal place, and this radio reception device can be inquired about this neighbor cell in view of the above and whether have available idle time interval resource.

Need to prove that, the idle time interval resource that neighbor cell can be used can refer to here; In the idle time interval resource can by other sub-district use that part of, at some in particular cases, though there is idle time interval resource in some sub-district; But it partly or entirely has special-purpose and can not be used by other sub-district, at this moment, even there is idle time interval resource this sub-district; But for other sub-district, this free time time interval resource possibly also be disabled.

306, if there is available idle time interval resource in neighbor cell, then radio reception device can send the request of access to this wireless terminal and accept message for the time interval resource of wireless terminal s1 distribution transmit ascending data from the idle time interval resource that this neighbor cell can be used.

Wherein, If there is available idle time interval resource in the neighbor cell of sub-district, wireless terminal s1 place; Then radio reception device can be from this available idle time interval resource distributes the time interval resource of transmit ascending data for wireless terminal s1; Radio reception device can send the request of access to wireless terminal s1 and accept message; The indication information (going back the portability out of Memory certainly) of the promising wireless terminal s1 of message portability distributed time slot resource is accepted in this access request, and wireless terminal s1 then can be known in view of the above and is allowed to access.

In addition; After distributing the time interval resource of transmit ascending data for wireless terminal s1; Radio reception device also can send the message of the indication information that carries the distributing slot resources situation to central authorities charge center, so that the current distributing slot resources situation in sub-district is understood at central charge center in view of the above.

307, wireless terminal s1 receive to insert request and accepts message, and through for its distributed time slot resource to the radio reception device transmitting monitor data.

Wherein, Wireless terminal s1 receive accept message from the access request of radio reception device after; Know to be allowed to access that wireless terminal s1 has obtained radio reception device for its distributed time slot resource, through being that its distributed time slot resource is to the radio reception device transmitting monitor data.

With structure of time slot shown in Figure 4 is example; For example radio reception device is that wireless terminal s1 distributed time slot resource comprises: No. 4 time slots of fixed allocation period/up signaling period and corresponding 77～No. 98 time slots of time interval resource that distribute the period in reservation; The request of access accepts can only carry No. 4 in the message time slot mark; Wireless terminal s1 can be by appointment corresponding relation, know that No. 4 time slots and 77～No. 98 time slots all distribute to it, wireless terminal s1 can be through the part or all of time interval resource in these No. 4 time slots and 77～No. 98 time slots; To the radio reception device transmitting monitor data, by that analogy.

308, radio reception device is transmitted the monitor data from wireless terminal s1 to central authorities charge center.

Under a kind of application scenarios, behind the monitor data that the wireless terminal s1 of radio reception device in receiving its Serving cell sends, can this monitor data be transmitted to central charge center, central charge center can be responsible for this monitor data is carried out analyzing and processing etc.

309, if there is not available idling-resource in neighbor cell yet, radio reception device refusal wireless terminal s1 inserts, and sends to wireless terminal s1 and inserts the request refuse information.

In practical application, if radio reception device is confirmed the access of refusal wireless terminal s1, then radio reception device can send to wireless terminal s1 and insert the request refuse information; This wireless terminal s1 confirms not to be allowed to access in view of the above; In addition, radio reception device also can be after confirming that refusal wireless terminal s1 inserts, not to wireless terminal s1 feedback response; Wireless terminal s1 does not receive the response of radio reception device feedback in setting duration, then the definite of acquiescence is not allowed to access.

Under a kind of application scenarios, wireless terminal s1 can get into Status of Backups and proceed area monitoring after definite its access of radio reception device refusal, and the monitor data under the buffer memory Status of Backups.In addition, wireless terminal s1 also can wait for that the radio reception device transmission of scheduled duration continued to the sub-district, place inserts request message after definite its access of radio reception device refusal; Accept message if receive sub-district, place radio reception device in the access request that allows to issue after this wireless terminal access; The information such as indication information of this radio reception device of message portability for its distributed time slot resource is accepted in this access request, then through monitor data and/or the current monitor data of this distributed time slot resource under this radio reception device transmission backup state; If confirming the radio reception device refusal wireless terminal s1 of sub-district, place inserts; Then continue to carry out area monitoring at Status of Backups; And the monitor data under the continuation buffer memory Status of Backups; So that after follow-up being allowed to access, monitor data under this radio reception device transmission backup state and/or current monitor data.

Need to prove; For aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions; But those skilled in the art should know; The present invention does not receive the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.

In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that details among certain embodiment, can be referring to the associated description of other embodiment.

For ease of the technique scheme of the better implement embodiment of the invention, the embodiment of the invention also is provided for implementing the relevant apparatus and the system of technique scheme.

Referring to Fig. 7, the embodiment of the invention a kind of radio reception device 700 is provided, can comprises: first receiver module 710, resource distribution module 720, second receiver module 730 and forwarding module 740.

Wherein, first receiver module 710 is used to receive the access request message from wireless terminal;

Resource distribution module 720 is used for when there is idle time interval resource in this sub-district, wireless terminal place, is the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from above-mentioned idle time interval resource;

Second receiver module 730 is used to receive the monitor data of above-mentioned wireless terminal through above-mentioned resource distribution module distributed time slot resource transmission;

Forwarding module 740 is used for transmitting the monitor data that second receiver module 730 receives to central authorities charge center.Wherein, The monitor data that forwarding module 740 can directly receive second receiver module 730 is transmitted to central charge center; Be transmitted to central charge center after perhaps also can the monitor data that second receiver module 730 receives necessarily being gone out to handle (for example filtering merging, format conversion etc.).

Under a kind of application scenarios, radio reception device 700 also can comprise the enquiry module (not shown).

Enquiry module, when being used for not having idle time interval resource in sub-district, above-mentioned wireless terminal place, whether the inquiry neighbor cell exists available idle time slot;

Resource distribution module 720 also is used for inquiring above-mentioned neighbor cell when whether having available idle time slot at above-mentioned enquiry module, from the idle time interval resource that above-mentioned neighbor cell can be used, distributes the time interval resource of transmit ascending data for above-mentioned wireless terminal;

Second receiver module 730 also is used for, and receives above-mentioned wireless terminal through from the idle time interval resource that neighbor cell can be used, being the upstream data of its distributed time slot resource transmission.

In practical application; Central authorities charge center can be when system initialization; Be the cell allocation communication time slot resource of each radio reception device service in its region within the jurisdiction, can be the time interval resource of each cell allocation equal number, also can distribute the time interval resource of varying number certainly; Also can several (for example 5,7 or other the number) microzonation that links to each other be divided into a zone bunch, the zone that central charge center is had jurisdiction over can be divided into a plurality of zones bunch.

Under a kind of application scenarios, sub-district, neighbor cell and wireless terminal place can belong to same zone bunch, occupies the whole time interval resources of system with time division multiple access way or alternate manner between each sub-district in this zone bunch; This zone bunch and the administration of above-mentioned central charge center between bunch other at least one regional bunch in this zone with time division multiplexing mode or the multiplexing time interval resource of alternate manner.

Wherein, sub-district, above-mentioned wireless terminal place is a sub-district of radio reception device service, and radio reception device 700 possibly only served the sub-district at this wireless terminal place, also possibly serve a plurality of sub-districts that comprise this sub-district.Radio reception device 700 can be known Serving cell current resource operating position; So it can be judged that sub-district, this wireless terminal place is current and whether have an idle time interval resource; If there is idle time interval resource in this sub-district, wireless terminal place, then radio reception device 700 can be the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from this free time time interval resource.If there is not idle time interval resource in this sub-district, wireless terminal place; Radio reception device 700 can be refused this wireless terminal and insert; Perhaps; The enquiry module of radio reception device 700 also can be inquired about neighbor cell (this neighbor cell and sub-district, this wireless terminal place can belong to the same area bunch, and this neighbor cell can be any sub-district in this sub-district, wireless terminal place affiliated area bunch) and whether have available idle time interval resource; If do not exist, radio reception device 700 can be refused this wireless terminal and insert; If exist, then the resource distribution module 720 of radio reception device 700 can be the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from the idle time interval resource that this neighbor cell can be used.

Wherein, if can direct communication between radio reception device, then whether the enquiry module of radio reception device 700 can exist available idle time interval resource to this neighbor cell of radio reception device inquiry for this neighbor cell service; If not directly communication between radio reception device, then whether the enquiry module of radio reception device 700 can exist available idle time interval resource through central authorities' this neighbor cell of charge center inquiry; Perhaps; Central authorities charge center can periodically or according to request issue broadcast; This broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under sub-district, this wireless terminal place, and the enquiry module of radio reception device 700 can be inquired about this neighbor cell in view of the above and whether have available idle time interval resource.

Need to prove that the available idle time interval resource of neighbor cell can refer to here, in the idle time interval resource can by other sub-district use that part of; At some in particular cases, though there is idle time interval resource in some sub-district, it partly or entirely has special-purpose and can not be used by other sub-district; At this moment; Even there is idle time interval resource this sub-district, but for other sub-district, this free time time interval resource possibly also be disabled.

Under a kind of application scenarios, radio reception device 700 also can comprise the first resource allocation reporting module and/or the second resource allocation reporting module (not shown).

Wherein, the first resource allocation reporting module is used for after resource distribution module 720 distributes the time interval resource of transmit ascending data for above-mentioned wireless terminal the message of sending the indication information that carries the distributing slot resources situation to central authorities charge center;

The second resource allocation reporting module; Be used for having no progeny with above-mentioned wireless terminal communications; Regain the time interval resource that distributes transmit ascending data for above-mentioned wireless terminal, and send the message of the indication information that carries the current time slots resource allocation conditions to central authorities charge center.

Under a kind of application scenarios, radio reception device 700 can also comprise broadcast reception module (not shown).

The broadcast reception module is used to receive the broadcast that above-mentioned central charge center issues, and wherein, above-mentioned broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under the sub-district, above-mentioned wireless terminal place.

Be appreciated that; The radio reception device 700 of present embodiment can be like the radio reception device among the above-mentioned method embodiment; It can be used for cooperating the whole technical schemes that realize said method embodiment; The function of its each functional module can specifically realize that its concrete implementation procedure can repeat no more with reference to the associated description in the foregoing description according to the method among the said method embodiment here.

Therefore present embodiment is implemented the access control of wireless terminal based on the single-frequency Radio Access Network that comprises central charge center and a plurality of radio reception devices that makes up under the SFN pattern.Radio reception device 700 is behind the access request message that receives from wireless terminal; If there is idle time interval resource, distribute the time interval resource of transmit ascending data for above-mentioned wireless terminal; Receive and transmit wireless terminal to central authorities charge center and pass through to be the monitor data of its distributed time slot resource transmission.This realization mechanism can be realized the efficient wireless access of terminal in SFN, can SFN be used to provide the service of the leading network bandwidths of upstream data such as regional wireless monitor, and then meet the need of market.

Referring to Fig. 8, the embodiment of the invention a kind of wireless terminal 800 is provided, can comprises: request sending module 810, data transmission module 820 and backup monitoring module 830.

Wherein, request sending module 810 is used for sending the first access request to the radio reception device of current area;

Data transmission module 820; Be used for receiving above-mentioned radio reception device after message is accepted in the access request that issues after the above-mentioned wireless terminal access of permission; This access request is accepted message and is carried the indication information of above-mentioned radio reception device for its distributed time slot resource, through above-mentioned distributed time slot resource to above-mentioned radio reception device transmitting monitor data;

Backup monitoring module 830 is used for after determining above-mentioned radio reception device and refusing above-mentioned wireless terminal and insert, getting into Status of Backups and proceeding area monitoring, and the monitor data under the buffer memory Status of Backups.

Under a kind of application scenarios, request sending module 810 also can be used for, and after confirming that above-mentioned radio reception device refusal wireless terminal 800 inserts, the radio reception device transmission second to current area after waiting for scheduled duration inserts request message;

Data transmission module 820 also can be used for; Receiving the current area radio reception device after message is accepted in the access request that issues after the above-mentioned wireless terminal access of permission; This access request is accepted message and is carried the indication information of this radio reception device for its distributed time slot resource, through monitor data and/or the current monitor data of this distributed time slot resource under this radio reception device transmission backup state;

Backup monitoring module 830 also can be used for, and after the radio reception device refusal wireless terminal 800 of confirming current area inserts, continues to carry out area monitoring at Status of Backups.

Be appreciated that; The wireless terminal 800 of present embodiment can be like the wireless terminal s1 among the above-mentioned method embodiment; It can be used for cooperating the whole technical schemes that realize said method embodiment; The function of its each functional module can specifically realize that its concrete implementation procedure can repeat no more with reference to the associated description in the foregoing description according to the method among the said method embodiment here.

Therefore present embodiment is implemented the access control of wireless terminal based on the single-frequency Radio Access Network that comprises central charge center and a plurality of radio reception devices that makes up under the SFN pattern.Wireless terminal 800 sends the access request message to the radio reception device of current area; Receiving after the access request that issues after radio reception device is allowing it to insert accepts message, through being that its distributed time slot resource is to the radio reception device transmitting monitor data; So that radio reception device is transmitted wireless terminal 800 through being the monitor data of its distributed time slot resource transmission to central authorities charge center.This realization mechanism can be realized the efficient wireless access of terminal in SFN, can SFN be used to provide the service of the leading network bandwidths of upstream data such as regional wireless monitor, and then meet the need of market.

Referring to Fig. 9, the embodiment of the invention a kind of single-frequency wireless access network system is provided, can comprises:

Central authorities charge center 910 and a plurality of radio reception devices 920,

Wherein, radio reception device 920 is used to receive the access request message from wireless terminal; If there is idle time interval resource in sub-district, above-mentioned wireless terminal place, then is the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from above-mentioned idle time interval resource; Receive the monitor data of above-mentioned wireless terminal through above-mentioned distributed time slot resource transmission; Accuse the above-mentioned monitor data of center 920 forwardings to central authorities.

In practical application; Central authorities charge center 910 can be used for, and when the network system initialization, is the cell allocation communication time slot resource of each radio reception device service in its region within the jurisdiction; Can be the time interval resource of each cell allocation equal number, also can distribute the time interval resource of varying number certainly.

Under a kind of application scenarios, central charge center 910 can also be divided into a zone bunch with several (for example 5,7 or other the number) microzonation that links to each other, and the zone that central charge center is had jurisdiction over can be divided into a plurality of zones bunch.With time division multiplexing mode or the multiplexing time interval resource of alternate manner, occupy the whole time interval resources of system with time division multiple access way or alternate manner between each sub-district in the zone that the sub-district that a plurality of radio reception device is served constitutes bunch between each zone of central authorities charge center 920 administrations bunch.Be appreciated that owing to be based on SFN pattern access network, so the whole time interval resources of system all are with frequently that each sub-district in the zone that promptly central charge center is had jurisdiction over takies with time interval resource frequently.

Under a kind of application scenarios, radio reception device 920 also can be used for, and when not having idle time interval resource in sub-district, wireless terminal place, whether the inquiry neighbor cell exists available idle time slot; If exist, then from the idle time interval resource that above-mentioned neighbor cell can be used the time interval resource that above-mentioned wireless terminal distributes transmit ascending data; Receive above-mentioned wireless terminal through from the idle time interval resource that above-mentioned neighbor cell can be used, being the upstream data of its distributed time slot resource transmission, and transmit above-mentioned monitor data to central authorities charge center.

Wherein, sub-district, above-mentioned wireless terminal place is a sub-district of radio reception device service, and radio reception device 920 possibly only served the sub-district at this wireless terminal place, also possibly serve a plurality of sub-districts that comprise this sub-district.Radio reception device 920 can be known Serving cell current resource operating position; So it can be judged that sub-district, this wireless terminal place is current and whether have an idle time interval resource; If there is idle time interval resource in this sub-district, wireless terminal place, then radio reception device 920 can be the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from this free time time interval resource.If there is not idle time interval resource in this sub-district, wireless terminal place; Radio reception device 920 can be refused this wireless terminal and insert; Perhaps; Radio reception device 920 also can be inquired about neighbor cell (this neighbor cell and sub-district, this wireless terminal place can belong to the same area bunch, and this neighbor cell can be any sub-district in this sub-district, wireless terminal place affiliated area bunch) and whether have available idle time interval resource; If do not exist, radio reception device 920 can be refused this wireless terminal and insert; If exist, then radio reception device 920 can be the time interval resource that above-mentioned wireless terminal distributes transmit ascending data from the idle time interval resource that this neighbor cell can be used.

Wherein, if can direct communication between radio reception device, then whether radio reception device 920 can exist available idle time interval resource to this neighbor cell of radio reception device inquiry for this neighbor cell service; If not directly communication between radio reception device, then whether radio reception device 920 can exist available idle time interval resource through central authorities' this neighbor cell of charge center inquiry; Perhaps; Central authorities charge center can periodically or according to request issue broadcast; This broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under sub-district, this wireless terminal place, and radio reception device 920 can be inquired about this neighbor cell in view of the above and whether have available idle time interval resource.

Under a kind of application scenarios, radio reception device 920 also can be used for, and is being after above-mentioned wireless terminal distributes the time interval resource of transmit ascending data, the message of sending the indication information that carries the distributing slot resources situation to above-mentioned central charge center.

Under a kind of application scenarios; Radio reception device 920 also can be used for; With above-mentioned wireless terminal communications in have no progeny; Regain the time interval resource that distributes transmit ascending data for above-mentioned wireless terminal, and send the message of the indication information that carries the current time slots resource allocation conditions to above-mentioned central charge center.

Under a kind of application scenarios; Radio reception device 920 also can be used for; Receive the broadcast that above-mentioned central charge center 910 issues, wherein, above-mentioned broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under the sub-district, above-mentioned wireless terminal place.

Be appreciated that; The radio reception device 920 of present embodiment can be like the radio reception device among the above-mentioned method embodiment; The central authorities that central authorities charge center 910 can be among the said method embodiment accuse the center, and it can be used for cooperating the whole technical schemes that realize said method embodiment, and the function of its each functional module can specifically realize according to the method among the said method embodiment; Its concrete implementation procedure can repeat no more with reference to the associated description in the foregoing description here.

To sum up, the embodiment of the invention is implemented the access control of wireless terminal based on the single-frequency Radio Access Network that comprises central charge center and a plurality of radio reception devices that makes up under the SFN pattern.Radio reception device is behind the access request message that receives from wireless terminal; If there is idle time interval resource, distribute the time interval resource of transmit ascending data for above-mentioned wireless terminal; Receive and transmit wireless terminal to central authorities charge center and pass through to be the monitor data of its distributed time slot resource transmission.This realization mechanism can be realized the efficient wireless access of terminal in SFN, can SFN be used to provide the service of the leading network bandwidths of upstream data such as regional wireless monitor, and then meet the need of market.

Further; Central authorities charge center can be a plurality of zones with the area dividing of administration; Several continuous microzonations are divided into a zone bunch, and mainly occupy the whole time interval resources of system with time division multiple access way between each sub-district in the zone bunch, between each zone bunch mainly with the multiplexing time interval resource of time division multiplexing mode; The same frequency interference between each sub-district in regional bunch and between regional bunch can be reduced as far as possible, communication quality and frequency efficiency can be effectively guaranteed.

One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to accomplish through program; This program can be stored in the computer-readable recording medium, and storage medium can comprise: read-only memory, random asccess memory, disk or CD etc.

More than single frequency network wireless cut-in method that the embodiment of the invention provided and relevant apparatus and system have been carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, to sum up, this description should not be construed as limitation of the present invention.

Claims

1. a single frequency network wireless cut-in method is characterized in that, comprising:

Transmit said monitor data to central authorities charge center.

2. method according to claim 1 is characterized in that, said method also comprises:

If there is not idle time interval resource in sub-district, said wireless terminal place, then inquires about neighbor cell and whether have available idle time slot; If exist, then from the idle time interval resource that said neighbor cell can be used the time interval resource that said wireless terminal distributes transmit ascending data;

Receive said wireless terminal through from the idle time interval resource that said neighbor cell can be used, being the upstream data of its distributed time slot resource transmission, and transmit said monitor data to central authorities charge center.

3. method according to claim 2 is characterized in that, sub-district, said neighbor cell and said wireless terminal place belongs to same zone bunch, occupies the whole time interval resources of system with time division multiple access way between each sub-district in the said zone bunch.

4. method according to claim 3 is characterized in that, said zone bunch and the administration of said central charge center between bunch other at least one regional bunch in said zone with the multiplexing time interval resource of time division multiplexing mode.

5. method according to claim 3 is characterized in that, said method also comprises:

Be after said wireless terminal distributes the time interval resource of transmit ascending data, the message of sending the indication information that carries the distributing slot resources situation to said central charge center.

6. method according to claim 3 is characterized in that, said method also comprises:

With said wireless terminal communications in have no progeny, regain the time interval resource that distributes transmit ascending data into said wireless terminal, and send the message of the indication information that carries the current time slots resource allocation conditions to said central charge center.

7. according to claim 5 or 6 described methods, it is characterized in that said method also comprises:

Receive the broadcast that said central charge center issues, wherein, said broadcast carries the indication information of each sub-district current time slots resource allocation conditions in the zone bunch under the sub-district, said wireless terminal place.

8. a single frequency network wireless cut-in method is characterized in that, comprising:

9. method according to claim 8 is characterized in that, said definite said radio reception device is refused also to comprise after the said wireless terminal access:

Radio reception device to the sub-district, place after waiting for scheduled duration sends the second access request message;

Accept message if receive the radio reception device of sub-district, place in the access request that allows to issue after the said wireless terminal access; This access request is accepted message and is carried the indication information of this radio reception device for its distributed time slot resource, then through monitor data and/or the current monitor data of this distributed time slot resource under this radio reception device transmission backup state;

Refuse said wireless terminal and insert if confirm the radio reception device of sub-district, place, then continue to carry out area monitoring at Status of Backups.

10. a radio reception device is characterized in that, comprising:

11. radio reception device according to claim 10 is characterized in that, also comprises:

Enquiry module, when being used for not having idle time interval resource in sub-district, said wireless terminal place, whether the inquiry neighbor cell exists available idle time slot;

Said resource distribution module also is used for inquiring said neighbor cell when having available idle time slot at said enquiry module, from the idle time interval resource that said neighbor cell can be used, distributes the time interval resource of transmit ascending data for said wireless terminal;

Second receiver module also is used for, and receives said wireless terminal through from the idle time interval resource that said neighbor cell can be used, being the upstream data of its distributed time slot resource transmission.

12. according to claim 10 or 11 described radio reception devices, it is characterized in that, also comprise:

The first resource allocation reporting module, being used at said resource distribution module is after said wireless terminal distributes the time interval resource of transmit ascending data, the message of sending the indication information that carries the distributing slot resources situation to said central charge center;

And/or,

The second resource allocation reporting module; Be used for having no progeny with said wireless terminal communications; Regain the time interval resource that distributes transmit ascending data for said wireless terminal, and send the message of the indication information that carries the current time slots resource allocation conditions to said central charge center.

13. a wireless terminal is characterized in that, comprising:

14. a single-frequency wireless access network system is characterized in that, comprising:

Central authorities charge center and a plurality of radio reception device,

15. single-frequency wireless access network system according to claim 14; It is characterized in that; With the multiplexing time interval resource of time division multiplexing mode, occupy the whole time interval resources of system with time division multiple access way between each sub-district in the zone that the sub-district that a plurality of radio reception device is served constitutes bunch between each zone of said central charge center administration bunch.