CN103002456A - Method, system and device for end-to-end direct communication - Google Patents
Method, system and device for end-to-end direct communication Download PDFInfo
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- CN103002456A CN103002456A CN2012105043945A CN201210504394A CN103002456A CN 103002456 A CN103002456 A CN 103002456A CN 2012105043945 A CN2012105043945 A CN 2012105043945A CN 201210504394 A CN201210504394 A CN 201210504394A CN 103002456 A CN103002456 A CN 103002456A
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Abstract
The invention discloses a method for end-to-end direct communication. The method includes: a sending end requests to a base station about the use of a cellular network idle uplink channel; when the sending end receives a scheduling instruction that the base station allows the use of the cellular network idle uplink channel, the cellular network idle uplink channel is distributed into a direct connection network sending channel according to the scheduling instruction, and the direct connection network sending channel is used for sending direct connection data. The invention further discloses a system and device for end-to-end direct communication simultaneously. The method, system and device for the end-to-end direct communication guarantees smooth cellular network communication and achieve the end-to-end direct communication.
Description
Technical field
The present invention relates to the communications field, relate in particular to method, system and the equipment of a kind of end-to-end (D2D, Device to Device) direct communication.
Background technology
End-to-end direct communication technology can realize direct communication between the terminal, and the straight-through data that transmitting terminal is sent directly arrive receiving terminal.Straight-through transfer of data does not need the route through core network, can improve the utilance of channel, alleviates the burden of cellular network, thereby day by day becomes Hot spots for development.
Because most of application scenarioss of end-to-end direct communication require to guarantee that original cellular network communication is unimpeded, therefore when guaranteeing that cellular network communication is unimpeded, how to realize that end-to-end direct communication just becomes current urgent problem.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method, system and equipment of end-to-end direct communication, is guaranteeing can to realize end-to-end direct communication under the unimpeded prerequisite of cellular network communication.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of end-to-end direct communication method, the method comprises:
Transmitting terminal uses the idle up channel of cellular network to base station requests;
Transmitting terminal is when receiving the dispatch command of the idle up channel of base station permission use cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel transmission to lead directly to data.
Further, the method also comprises:
Receiving terminal uses the idle down channel of cellular network to base station requests;
Receiving terminal is when receiving the dispatch command of the idle down channel of base station permission use cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data.
Further, the method also comprises:
When transmitting terminal receives the idle uplink channel information of cellular network, use the idle up channel of cellular network to base station requests, the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by the base station; And/or,
When receiving terminal receives the idle descending channel information of cellular network, use the idle down channel of cellular network to base station requests, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
Further, the method also comprises:
When base station requests was used described straight-forward network transmitting channel, transmitting terminal continued to send straight-through data, and it is the cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel; And/or,
When base station requests was used described straight-forward network receive channel, receiving terminal continued to receive straight-through data, and the straight-through complete rear switching straight-forward network receive channel of data receiver is the cellular network down channel.
Further, the method also comprises:
When base station requests is used described straight-forward network transmitting channel, transmitting terminal suspends the straight-through data of transmission, switching the straight-forward network transmitting channel is the cellular network up channel, and when receiving the idle uplink channel information of cellular network of base station transmission, continue to use the idle up channel of cellular network to base station requests; And/or,
When base station requests is used described straight-forward network receive channel, receiving terminal suspends the straight-through data of reception, switching the straight-forward network receive channel is the cellular network down channel, and when receiving the idle descending channel information of cellular network of base station transmission, continue to use the idle down channel of cellular network to base station requests.
The present invention also provides a kind of end-to-end straight-through data receive method, and the method comprises:
Receiving terminal uses the idle down channel of cellular network to base station requests;
Receiving terminal is when receiving the dispatch command of the idle down channel of base station permission use cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data.
Further, the method also comprises:
When receiving terminal receives the idle descending channel information of cellular network, use the idle down channel of cellular network to base station requests, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
Further, when base station requests was used described straight-forward network receive channel, the method also comprised:
Receiving terminal continues to receive straight-through data, and the straight-through complete rear switching straight-forward network receive channel of data receiver is the cellular network down channel; Perhaps,
Receiving terminal suspends the straight-through data of reception, and switching the straight-forward network receive channel is the cellular network down channel, and when receiving the idle descending channel information of cellular network of base station transmission, continuation is used the idle down channel of cellular network to base station requests.
The present invention also provides a kind of transmitting terminal, and described transmitting terminal comprises: the first transceiver module and the first distribution module; Wherein,
Described the first transceiver module is used for sending the idle up channel of cellular network to the base station and uses request; Receive the dispatch command that the base station allows to use the idle up channel of cellular network; Use the straight-forward network transmitting channel of the first module assigns to send straight-through data;
Described the first distribution module is used for when the first transceiver module receives the dispatch command of the idle up channel of base station permission use cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel.
Further, described transmitting terminal further comprises:
The second transceiver module and the second distribution module; Wherein,
Described the second transceiver module is used for sending the idle down channel of cellular network to the base station and uses request; Receive the dispatch command that the base station allows to use the idle down channel of cellular network; Use the straight-forward network receive channel of the second module assigns to receive straight-through data;
Described the second distribution module is used for when the second transceiver module receives the dispatch command of the idle down channel of base station permission use cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel.
Further,
Described the first transceiver module, concrete being used for when receiving the idle uplink channel information of cellular network, send the idle up channel of cellular network to the base station and use request, the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by the base station.
Further, described transmitting terminal also comprises:
The first handover module is used for receiving the request that the straight-forward network transmitting channel is used in the base station at described the first transceiver module, and the first transceiver module sends straight-through data when complete, and switching the straight-forward network transmitting channel is the cellular network up channel;
Described the first transceiver module also is used for continuing to send straight-through data when receiving the request of base station use straight-forward network transmitting channel.
Further, described transmitting terminal also comprises:
The first handover module is used for when described the first transceiver module receives the request of base station use straight-forward network transmitting channel, and switching the straight-forward network transmitting channel is the cellular network up channel;
Described the first transceiver module, also be used for when receiving the request of base station use straight-forward network transmitting channel, suspend and use the straight-forward network transmitting channel to send straight-through data, and when receiving the idle uplink channel information of cellular network of base station transmission, continue to the idle up channel use of base station transmission cellular network request.
The present invention also provides a kind of receiving terminal, and described receiving terminal comprises: the second transceiver module and the second distribution module; Wherein,
Described the second transceiver module is used for sending the idle down channel of cellular network to the base station and uses request; Receive the dispatch command that the base station allows to use described idle down channel; Use the straight-forward network receive channel of the second module assigns to receive straight-through data;
Described the second distribution module is used for when the second transceiver module receives the dispatch command of the idle down channel of base station permission cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel.
Further,
Described the second transceiver module, concrete being used for when receiving the idle descending channel information of cellular network, send the idle down channel of cellular network to the base station and use request, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
Further, described receiving terminal also comprises: the second handover module,
Described the second handover module is used for receiving the request that the straight-forward network receive channel is used in the base station at the second transceiver module, and the second transceiver module receives straight-through data when complete, and switching the straight-forward network receive channel is the cellular network down channel;
Described the second transceiver module also is used for continuing to receive straight-through data when receiving the request of base station use straight-forward network receive channel;
Perhaps,
Described the second handover module is used for when the second transceiver module receives the request of base station use straight-forward network receive channel, and switching the straight-forward network receive channel is the cellular network down channel;
Described the second transceiver module, also be used for when receiving the request of base station use straight-forward network receive channel, suspend and use the straight-forward network receive channel to receive straight-through data, and when receiving the idle descending channel information of cellular network of base station transmission, continue to use the idle down channel of cellular network to base station requests.
The present invention also provides a kind of base station, and described base station comprises: the 3rd transceiver module and the 3rd scheduler module; Wherein,
Described the 3rd transceiver module is used for the idle up channel use of the cellular network request that receiving end/sending end sends; Send the dispatch command that the idle up channel of cellular network is used in permission that the 3rd scheduler module assigns to transmitting terminal;
Described the 3rd scheduler module is used for assigning the dispatch command that allows to use the idle up channel of cellular network.
Further, described base station further comprises:
The 4th transceiver module and the 4th scheduler module; Wherein,
Described the 4th transceiver module is used for receiving the idle down channel use of the cellular network request that receiving terminal sends; Send the dispatch command that the idle down channel of cellular network is used in permission that the 4th scheduler module assigns to receiving terminal;
Described the 4th scheduler module is used for assigning the dispatch command that allows to use the idle down channel of cellular network.
Further, described base station also comprises:
The 3rd monitoring modular is used for the idle up channel of monitoring cellular network;
Described the 3rd transceiver module also is used for when the 3rd monitoring module monitors arrives the idle up channel of cellular network, sends the idle uplink channel information of cellular network to transmitting terminal.
Further,
Described the 3rd scheduler module also is used for assigning the straight-forward network transmitting channel and uses request;
Described the 3rd transceiver module also is used for sending the straight-forward network transmitting channel use request that the 3rd scheduler module is assigned to transmitting terminal.
The present invention also provides a kind of base station, and described base station comprises: the 4th transceiver module and the 4th scheduler module; Wherein,
Described the 4th transceiver module is used for receiving the idle down channel use of the cellular network request that receiving terminal sends; Send the dispatch command that the idle down channel of cellular network is used in permission that the 4th scheduler module assigns to receiving terminal;
Described the 4th scheduler module is used for assigning the dispatch command that allows to use the idle down channel of cellular network.
Further, described base station also comprises:
The 4th monitoring modular is used for the idle down channel of monitoring cellular network;
Described the 4th transceiver module also is used for when the 4th monitoring module monitors arrives the idle down channel of cellular network, sends the idle descending channel information of cellular network to receiving terminal.
Further,
Described the 4th scheduler module also is used for assigning the straight-forward network receive channel and uses request;
Described the 4th transceiver module also is used for sending the straight-forward network receive channel use request that the 4th scheduler module is assigned to receiving terminal.
Accordingly, the present invention also provides a kind of end-to-end direct communication system, and described end-to-end direct communication system comprises: base station, and receiving terminal and/or transmitting terminal; Wherein,
Described transmitting terminal is used for using the idle up channel of cellular network to base station requests; When receiving the dispatch command of the idle up channel of base station permission use cellular network, according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel transmission to lead directly to data;
Described receiving terminal is used for using the idle down channel of cellular network to base station requests; When receiving the dispatch command of the idle down channel of base station permission use cellular network, according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data;
Described base station is used for sending the dispatch command that allows to use cellular network free time up channel to transmitting terminal when receiving the idle up channel use of transmitting terminal cellular network request; And/or, when receiving the idle down channel use of receiving terminal cellular network request, send the dispatch command that allows to use cellular network free time down channel to receiving terminal.
In the technical scheme provided by the present invention, transmitting terminal and receiving terminal use respectively the idle channel of cellular network to base station requests, distributing described idle channel is the straight-forward network channel, and use described straight-forward network channel to lead directly to the sending and receiving of data, so, guaranteeing to carry out end-to-end direct communication under the unimpeded prerequisite of cellular network communication; Further, when cellular network need to use the straight-forward network channel, transmitting terminal or receiving terminal switched to the cellular network channel with the straight-forward network channel that cellular network need to use, and have guaranteed the unimpeded of cellular network, have improved the utilance of channel.
Description of drawings
Fig. 1 is the end-to-end direct communication method of the present invention realization flow schematic diagram;
Fig. 2 is the end-to-end straight-through data receive method realization flow schematic diagram of the present invention;
Fig. 3 is the composition structural representation of the end-to-end straight-through data Transmission system of the present invention;
Fig. 4 is the composition structural representation of the end-to-end straight-through data receiving system of the present invention;
Fig. 5 is the composition structural representation of end-to-end direct communication system in one embodiment of the invention.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the end-to-end direct communication method of the present invention realization flow schematic diagram, as shown in Figure 1, comprising:
Step 101: transmitting terminal uses the idle up channel of cellular network to base station requests;
Before the step 101, also comprise the flow process that end-to-end direct communication is carried out in the affirmation of transmitting terminal and receiving terminal, be specially:
Transmitting terminal sends straight-through transfer of data acknowledge message to receiving terminal, and receiving terminal is responded described straight-through transfer of data acknowledge message, confirms to receive straight-through data.
Here, transmitting terminal and receiving terminal confirm that the interacting message carry out direct communication finishes by cellular network communication.
Further, before the step 101, also comprise following flow process:
When transmitting terminal receives the idle uplink channel information of cellular network, use the idle up channel of cellular network to base station requests, the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by the base station.
Wherein, the idle uplink channel information of described cellular network, can by transmitting terminal when needs send straight-through data to base station requests, and sent when monitoring the idle up channel of cellular network by the base station; Also can be by when monitoring the idle up channel of cellular network, initiatively being sent to transmitting terminal by the base station.
Step 102: transmitting terminal is when receiving the dispatch command of the idle up channel of base station permission use cellular network, according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data.
Here, the idle up channel of described distribution cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data, is specially:
Transmitting terminal distributes the idle up channel of cellular network to be straight-through data transmitting channel and straight-through control information transmitting channel, uses described straight-through data transmitting channel to send straight-through data, and uses described straight-through control information transmitting channel to send control information.
Here, when base station requests is used described straight-forward network transmitting channel, carry out following processing:
Transmitting terminal continues to send straight-through data, and it is the cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel;
Here, when base station requests is used described straight-forward network transmitting channel, can also carry out following processing:
Transmitting terminal suspends the straight-through data of transmission, and switching the straight-forward network transmitting channel is the cellular network up channel, and when receiving the idle uplink channel information of cellular network of base station transmission, continuation is used the idle up channel of cellular network to base station requests.
Here, the data head of described straight-through data carries the sign corresponding with end-to-end direct send mode, needs directly to send to identify this data block; Further, described data head also carries straight-through data receiver client information, to identify the receiving terminal of this straight-through data block; Further, described data head also carries straight-through data sending terminal information, to identify the transmitting terminal of this straight-through data block.
When end-to-end direct communication was applied in the public safety field, the data head of straight-through data block can only carry straight-through send mode sign and lead directly to the data receiver client information, to reach the purpose of the source-information of hiding straight-through data.
Further, when transmitting terminal sends straight-through data, comprise that also receiving terminal receives the handling process of straight-through data, be illustrated in figure 2 as end-to-end straight-through data receive method realization flow schematic diagram, comprising:
Step 201: receiving terminal uses the idle down channel of cellular network to base station requests;
Further, before the step 201, also comprise following flow process:
When receiving terminal receives the idle descending channel information of cellular network, use the idle down channel of cellular network to base station requests, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
Wherein, the idle descending channel information of described cellular network, can by receiving terminal when needs receive straight-through data to base station requests, and sent when monitoring the idle down channel of cellular network by the base station; Also can when monitoring the idle down channel of cellular network, initiatively be sent to receiving terminal by the base station.
Step 202: receiving terminal is when receiving the dispatch command of the idle down channel of base station permission use cellular network, according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data.
Here, the idle down channel of described distribution cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data, is specially:
Receiving terminal distributes the idle down channel of cellular network to be the multipling channel of straight-through data receiver channel and straight-through control information receive channel, and uses described straight-forward network receive channel to receive straight-through data and control information.
Here, when base station requests is used described straight-forward network receive channel, carry out following processing:
Receiving terminal continues to receive straight-through data, and the straight-through complete rear switching straight-forward network receive channel of data receiver is the cellular network down channel.
Here, when base station requests is used described straight-forward network receive channel, can also carry out following processing:
Receiving terminal suspends the straight-through data of reception, and switching the straight-forward network receive channel is the cellular network down channel, and when receiving the idle descending channel information of cellular network of base station transmission, continuation is used the idle down channel of cellular network to base station requests.
Need to prove that for the straight-through data that transmitting terminal sends by described straight-forward network transmitting channel, receiving terminal can use the straight-forward network dedicated channel to receive; Accordingly, for the straight-through data that transmitting terminal uses the straight-forward network dedicated channel to send, receiving terminal can use described straight-forward network receive channel to receive.
Fig. 3 is the composition structural representation of the end-to-end straight-through data Transmission system of the present invention, and as shown in Figure 3, described end-to-end straight-through data Transmission system comprises: transmitting terminal 31 and base station 32; Wherein,
Described transmitting terminal 31 is used for the idle up channel of 32 request use cellular networks to the base station; When receiving the dispatch command of the idle up channel of base station 32 permission use cellular networks, according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel transmission to lead directly to data;
Described base station 32 is used for sending the dispatch command that the idle up channel of cellular network is used in permission to transmitting terminal 31 when the idle up channel of the cellular network that receives transmitting terminal 31 transmissions uses request.
Described transmitting terminal 31, be further used for: when receiving the idle uplink channel information of cellular network, the idle up channel of cellular network is used in 32 requests to the base station, and the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by base station 32.
Described transmitting terminal 31 is further used for: when receiving the request of base station 32 use straight-forward network transmitting channels, continuation sends straight-through data and when straight-through data were sent, switching the straight-forward network transmitting channel was the cellular network up channel.
Described transmitting terminal 31, be further used for: when receiving the request of base station 32 use straight-forward network transmitting channels, suspend and use the straight-forward network transmitting channel to send straight-through data, switching the straight-forward network transmitting channel is the cellular network up channel, and when receiving the idle uplink channel information of cellular network of base station 32 transmissions, continue the 32 request use cellular networks free time up channels to the base station.
Described base station 32 is further used for: when monitoring the idle up channel of cellular network, send the idle uplink channel information of cellular network to transmitting terminal 31.
Described base station 32 is further used for: assign the straight-forward network transmitting channel to transmitting terminal 31 and use request.
Further, described transmitting terminal 31 comprises: the first transceiver module 311 and the first distribution module 312; Wherein,
Described the first transceiver module 311 is used for the idle up channel use of the 32 transmission cellular networks request to the base station; Receive the dispatch command that base station 32 allows to use the idle up channel of cellular network; The straight-forward network transmitting channel that uses the first distribution module 312 to distribute sends straight-through data;
Described the first distribution module 312 is used for when the first transceiver module 311 receives the dispatch command of the idle up channel of base station 32 permission use cellular networks, and according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel.
Further, described the first transceiver module 311, concrete being used for when receiving the idle uplink channel information of cellular network, 32 send the idle up channel use of cellular network request to the base station, and the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by base station 32.
Further, described transmitting terminal 31 also comprises:
The first handover module 313 is used for receiving the request that the straight-forward network transmitting channels are used in base station 32 at the first transceiver module 311, and the first transceiver module 311 sends straight-through data when complete, and switching the straight-forward network transmitting channel is the cellular network up channel;
Described the first transceiver module 311 also is used for continuing to send straight-through data when receiving the request of base station 32 use straight-forward network transmitting channels.
Further, described the first handover module 313 also is used for when the first transceiver module 311 receives the request of base station 32 use straight-forward network transmitting channels, and switching the straight-forward network transmitting channel is the cellular network up channel;
Described the first transceiver module 311, also be used for when receiving the request of base station 32 use straight-forward network transmitting channels, suspend and use the straight-forward network transmitting channel to send straight-through data, and when receiving the idle uplink channel information of cellular network of base station 32 transmissions, continue the idle up channels use of the 32 transmission cellular networks request to the base station.
Further, described base station 32 comprises: the second scheduler module 321 and the second transceiver module 322; Wherein,
Described the second scheduler module 321 is used for assigning the dispatch command that allows to use the idle up channel of cellular network;
Described the second transceiver module 322 is used for the idle up channel use of the cellular network request that receiving end/sending end 31 sends; Dispatch command to the permission use cellular network free time up channel that transmitting terminal 31 transmissions the second scheduler module 321 is assigned.
Further, described base station 32 also comprises:
The second monitoring modular 323 is used for the idle up channel of monitoring cellular network;
Described the second transceiver module 322 also is used for when the second monitoring modular 323 monitors the idle up channel of cellular network, sends the idle uplink channel information of cellular network to transmitting terminal 31.
Further,
Described the second scheduler module 321 also is used for assigning the straight-forward network transmitting channel and uses request;
Described the second transceiver module 322 also is used for sending the straight-forward network transmitting channel use request that the second scheduler module 321 is assigned to transmitting terminal 31.
Fig. 4 is the composition structural representation of the end-to-end straight-through data receiving system of the present invention, and as shown in Figure 4, described end-to-end straight-through data receiving system comprises: receiving terminal 41 and base station 42; Wherein,
Described receiving terminal 41 is used for the idle down channel of 42 request use cellular networks to the base station; When receiving the dispatch command of the idle down channel of base station 42 permission use cellular networks, according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data;
Described base station 42 is used for sending the dispatch command that the idle down channel of cellular network is used in permission to receiving terminal 41 when the idle down channel of the cellular network that receives receiving terminal 41 transmissions uses request.
Described transmitting terminal 41, be further used for: when receiving the idle descending channel information of cellular network, the idle down channel of cellular network is used in 42 requests to the base station, and the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by base station 42.
Described receiving terminal 41 is further used for: when receiving the request of base station 42 use straight-forward network receive channels, continuation receives straight-through data and when straight-through data receiver was complete, switching the straight-forward network receive channel was the cellular network down channel.
Described receiving terminal 41, be further used for: when receiving the request of base station 42 use straight-forward network receive channels, suspend and use the straight-forward network receive channel to receive straight-through data, switching the straight-forward network receive channel is the cellular network down channel, and when receiving the idle descending channel information of cellular network of base station 42 transmissions, continue the 42 request use cellular networks free time down channels to the base station.
Described base station 42 is further used for: when monitoring the idle down channel of cellular network, send the idle descending channel information of cellular network to receiving terminal 41.
Described base station 42 is further used for: assign the straight-forward network receive channel to receiving terminal 41 and use request.
Further, described receiving terminal 41 comprises: the first transceiver module 411 and the first distribution module 412; Wherein,
Described the first transceiver module 411 is used for the idle down channel use of the 42 transmission cellular networks request to the base station; Receive the dispatch command that base station 42 allows to use the idle down channel of cellular network; The straight-forward network receive channel that uses the first distribution module 412 to distribute receives straight-through data;
Described the first distribution module 412 is used for when the first transceiver module 411 receives the dispatch command of the idle down channel of base station 42 permission use cellular networks, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel.
Further, described the first transceiver module 411, concrete being used for when receiving the idle descending channel information of cellular network, 42 send the idle down channel use of cellular network request to the base station, and the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by base station 42.
Further, described receiving terminal 41 also comprises:
The first handover module 413 is used for receiving the request that the straight-forward network receive channels are used in base station 42 at the first transceiver module 411, and the first transceiver module 411 receives straight-through data when complete, and switching the straight-forward network receive channel is the cellular network down channel;
Described the first transceiver module 411 also is used for continuing to receive straight-through data when receiving the request of base station 42 use straight-forward network receive channels.
Further, described the first handover module 413 also is used for when the first transceiver module 411 receives the request of base station 42 use straight-forward network receive channels, and switching the straight-forward network receive channel is the cellular network down channel;
Described the first transceiver module 411, also be used for when receiving the request of base station 42 use straight-forward network receive channels, suspend and use the straight-forward network receive channel to receive straight-through data, and when receiving the idle descending channel information of cellular network of base station 42 transmissions, continue the idle down channels use of the 42 transmission cellular networks request to the base station.
Further, described base station 42 comprises: the second scheduler module 421 and the second transceiver module 422; Wherein,
Described the second scheduler module 421 is used for assigning the dispatch command that allows to use the idle down channel of cellular network;
Described the second transceiver module 422 is used for the idle down channel use of the cellular network request that receiving end/sending end 41 sends; Dispatch command to the permission use cellular network free time down channel that transmitting terminal 41 transmissions the second scheduler module 421 is assigned.
Further, described base station 42 also comprises:
The second monitoring modular 423 is used for the idle down channel of monitoring cellular network;
Described the second transceiver module 422 also is used for when the second monitoring modular 423 monitors the idle down channel of cellular network, sends the idle descending channel information of cellular network to transmitting terminal 41.
Further,
Described the second scheduler module 421 also is used for assigning the straight-forward network receive channel and uses request;
Described the second transceiver module 422 also is used for sending the straight-forward network receive channel use request that the second scheduler module 421 is assigned to receiving terminal 41.
Embodiment one
Fig. 5 is the composition structural representation of end-to-end direct communication system in one embodiment of the invention, as shown in Figure 5, comprise: user terminal (UE, User Equipment) 1, base station and UE 2, the operating process that UE 1 and UE 2 carry out end-to-end direct communication is as follows:
When the user need to operate UE 1 to the straight-through data of UE 2 transmissions, UE 1 and UE 2 carry out cellular communication to finish following interaction flow: the user operates UE 1 and sends straight-through transfer of data acknowledge message to UE 2, respond described straight-through transfer of data acknowledge message until the user operates UE 2, confirm to receive straight-through data; At this moment, UE 1 is transmitting terminal, and UE 2 is receiving terminal;
After UE 1 confirms that UE 2 receives straight-through data, to the idle uplink channel information of base station requests cellular network, when receiving the idle uplink channel information of cellular network of returning the base station, use the idle up channel of cellular network to base station requests, when receiving the dispatch command of the idle up channel of base station permission use cellular network, according to described dispatch command, distribute the idle up channel of cellular network to be straight-through data transmitting channel and straight-through control information transmitting channel, use described straight-through data transmitting channel to send straight-through data, and use described straight-through control information transmitting channel to send control information;
After UE 2 confirms to receive straight-through data, to the idle descending channel information of base station requests cellular network, when receiving the idle descending channel information of cellular network that returns the base station, base station, use the idle down channel of cellular network to base station requests, when receiving the dispatch command of the idle down channel of base station permission use cellular network, according to described dispatch command, distribute the idle down channel of cellular network to be the multipling channel of straight-through data receiver channel and straight-through control information receive channel, and use described straight-forward network receive channel to receive straight-through data and control information.
Optionally, UE 1 uses the straight-forward network dedicated channel to send straight-through data and control information, and UE 2 uses described straight-forward network receive channel to receive straight-through data and control information.
Optionally, UE 1 uses described straight-through data transmitting channel and control information transmitting channel, and corresponding the transmission led directly to data and control information, and UE 2 uses the straight-forward network dedicated channels to receive straight-through data and control information.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.
Claims (24)
1. end-to-end direct communication method is characterized in that the method comprises:
Transmitting terminal uses the idle up channel of cellular network to base station requests;
Transmitting terminal is when receiving the dispatch command of the idle up channel of base station permission use cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel transmission to lead directly to data.
2. method according to claim 1 is characterized in that, the method also comprises:
Receiving terminal uses the idle down channel of cellular network to base station requests;
Receiving terminal is when receiving the dispatch command of the idle down channel of base station permission use cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data.
3. method according to claim 1 is characterized in that, the method also comprises:
When transmitting terminal receives the idle uplink channel information of cellular network, use the idle up channel of cellular network to base station requests, the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by the base station; And/or,
When receiving terminal receives the idle descending channel information of cellular network, use the idle down channel of cellular network to base station requests, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
4. according to claim 1,2 or 3 described methods, it is characterized in that the method also comprises:
When base station requests was used described straight-forward network transmitting channel, transmitting terminal continued to send straight-through data, and it is the cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel; And/or,
When base station requests was used described straight-forward network receive channel, receiving terminal continued to receive straight-through data, and the straight-through complete rear switching straight-forward network receive channel of data receiver is the cellular network down channel.
5. according to claim 1,2 or 3 described methods, it is characterized in that the method also comprises:
When base station requests is used described straight-forward network transmitting channel, transmitting terminal suspends the straight-through data of transmission, switching the straight-forward network transmitting channel is the cellular network up channel, and when receiving the idle uplink channel information of cellular network of base station transmission, continue to use the idle up channel of cellular network to base station requests; And/or,
When base station requests is used described straight-forward network receive channel, receiving terminal suspends the straight-through data of reception, switching the straight-forward network receive channel is the cellular network down channel, and when receiving the idle descending channel information of cellular network of base station transmission, continue to use the idle down channel of cellular network to base station requests.
6. end-to-end straight-through data receive method is characterized in that the method comprises:
Receiving terminal uses the idle down channel of cellular network to base station requests;
Receiving terminal is when receiving the dispatch command of the idle down channel of base station permission use cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data.
7. method according to claim 6 is characterized in that, the method also comprises:
When receiving terminal receives the idle descending channel information of cellular network, use the idle down channel of cellular network to base station requests, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
8. according to claim 6,7 or 8 described methods, it is characterized in that when base station requests was used described straight-forward network receive channel, the method also comprised:
Receiving terminal continues to receive straight-through data, and the straight-through complete rear switching straight-forward network receive channel of data receiver is the cellular network down channel; Perhaps,
Receiving terminal suspends the straight-through data of reception, and switching the straight-forward network receive channel is the cellular network down channel, and when receiving the idle descending channel information of cellular network of base station transmission, continuation is used the idle down channel of cellular network to base station requests.
9. a transmitting terminal is characterized in that, described transmitting terminal comprises: the first transceiver module and the first distribution module; Wherein,
Described the first transceiver module is used for sending the idle up channel of cellular network to the base station and uses request; Receive the dispatch command that the base station allows to use the idle up channel of cellular network; Use the straight-forward network transmitting channel of the first module assigns to send straight-through data;
Described the first distribution module is used for when the first transceiver module receives the dispatch command of the idle up channel of base station permission use cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel.
10. transmitting terminal according to claim 9 is characterized in that, described transmitting terminal further comprises:
The second transceiver module and the second distribution module; Wherein,
Described the second transceiver module is used for sending the idle down channel of cellular network to the base station and uses request; Receive the dispatch command that the base station allows to use the idle down channel of cellular network; Use the straight-forward network receive channel of the second module assigns to receive straight-through data;
Described the second distribution module is used for when the second transceiver module receives the dispatch command of the idle down channel of base station permission use cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel.
11. transmitting terminal according to claim 9 is characterized in that,
Described the first transceiver module, concrete being used for when receiving the idle uplink channel information of cellular network, send the idle up channel of cellular network to the base station and use request, the idle uplink channel information of described cellular network is sent when monitoring the idle up channel of cellular network by the base station.
12. according to claim 9,10 or 11 described transmitting terminals, it is characterized in that described transmitting terminal also comprises:
The first handover module is used for receiving the request that the straight-forward network transmitting channel is used in the base station at described the first transceiver module, and the first transceiver module sends straight-through data when complete, and switching the straight-forward network transmitting channel is the cellular network up channel;
Described the first transceiver module also is used for continuing to send straight-through data when receiving the request of base station use straight-forward network transmitting channel.
13. according to claim 9,10 or 11 described transmitting terminals, it is characterized in that described transmitting terminal also comprises:
The first handover module is used for when described the first transceiver module receives the request of base station use straight-forward network transmitting channel, and switching the straight-forward network transmitting channel is the cellular network up channel;
Described the first transceiver module, also be used for when receiving the request of base station use straight-forward network transmitting channel, suspend and use the straight-forward network transmitting channel to send straight-through data, and when receiving the idle uplink channel information of cellular network of base station transmission, continue to the idle up channel use of base station transmission cellular network request.
14. a receiving terminal is characterized in that, described receiving terminal comprises: the second transceiver module and the second distribution module; Wherein,
Described the second transceiver module is used for sending the idle down channel of cellular network to the base station and uses request; Receive the dispatch command that the base station allows to use described idle down channel; Use the straight-forward network receive channel of the second module assigns to receive straight-through data;
Described the second distribution module is used for when the second transceiver module receives the dispatch command of the idle down channel of base station permission cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel.
15. receiving terminal according to claim 14 is characterized in that,
Described the second transceiver module, concrete being used for when receiving the idle descending channel information of cellular network, send the idle down channel of cellular network to the base station and use request, the idle descending channel information of described cellular network is sent when monitoring the idle down channel of cellular network by the base station.
16. according to claim 14 or 15 described receiving terminals, it is characterized in that described receiving terminal also comprises: the second handover module,
Described the second handover module is used for receiving the request that the straight-forward network receive channel is used in the base station at the second transceiver module, and the second transceiver module receives straight-through data when complete, and switching the straight-forward network receive channel is the cellular network down channel;
Described the second transceiver module also is used for continuing to receive straight-through data when receiving the request of base station use straight-forward network receive channel;
Perhaps,
Described the second handover module is used for when the second transceiver module receives the request of base station use straight-forward network receive channel, and switching the straight-forward network receive channel is the cellular network down channel;
Described the second transceiver module, also be used for when receiving the request of base station use straight-forward network receive channel, suspend and use the straight-forward network receive channel to receive straight-through data, and when receiving the idle descending channel information of cellular network of base station transmission, continue to use the idle down channel of cellular network to base station requests.
17. a base station is characterized in that, described base station comprises: the 3rd transceiver module and the 3rd scheduler module; Wherein,
Described the 3rd transceiver module is used for the idle up channel use of the cellular network request that receiving end/sending end sends; Send the dispatch command that the idle up channel of cellular network is used in permission that the 3rd scheduler module assigns to transmitting terminal;
Described the 3rd scheduler module is used for assigning the dispatch command that allows to use the idle up channel of cellular network.
18. base station according to claim 17 is characterized in that, described base station further comprises:
The 4th transceiver module and the 4th scheduler module; Wherein,
Described the 4th transceiver module is used for receiving the idle down channel use of the cellular network request that receiving terminal sends; Send the dispatch command that the idle down channel of cellular network is used in permission that the 4th scheduler module assigns to receiving terminal;
Described the 4th scheduler module is used for assigning the dispatch command that allows to use the idle down channel of cellular network.
19. base station according to claim 17 is characterized in that, described base station also comprises:
The 3rd monitoring modular is used for the idle up channel of monitoring cellular network;
Described the 3rd transceiver module also is used for when the 3rd monitoring module monitors arrives the idle up channel of cellular network, sends the idle uplink channel information of cellular network to transmitting terminal.
20. according to claim 17,18 or 19 described base stations, it is characterized in that,
Described the 3rd scheduler module also is used for assigning the straight-forward network transmitting channel and uses request;
Described the 3rd transceiver module also is used for sending the straight-forward network transmitting channel use request that the 3rd scheduler module is assigned to transmitting terminal.
21. a base station is characterized in that, described base station comprises: the 4th transceiver module and the 4th scheduler module; Wherein,
Described the 4th transceiver module is used for receiving the idle down channel use of the cellular network request that receiving terminal sends; Send the dispatch command that the idle down channel of cellular network is used in permission that the 4th scheduler module assigns to receiving terminal;
Described the 4th scheduler module is used for assigning the dispatch command that allows to use the idle down channel of cellular network.
22. base station according to claim 21 is characterized in that, described base station also comprises:
The 4th monitoring modular is used for the idle down channel of monitoring cellular network;
Described the 4th transceiver module also is used for when the 4th monitoring module monitors arrives the idle down channel of cellular network, sends the idle descending channel information of cellular network to receiving terminal.
23. according to claim 21 or 22 described base stations, it is characterized in that,
Described the 4th scheduler module also is used for assigning the straight-forward network receive channel and uses request;
Described the 4th transceiver module also is used for sending the straight-forward network receive channel use request that the 4th scheduler module is assigned to receiving terminal.
24. an end-to-end direct communication system is characterized in that, described end-to-end direct communication system comprises: base station, and receiving terminal and/or transmitting terminal; Wherein,
Described transmitting terminal is used for using the idle up channel of cellular network to base station requests; When receiving the dispatch command of the idle up channel of base station permission use cellular network, according to described dispatch command, distributing the idle up channel of cellular network is the straight-forward network transmitting channel, and uses described straight-forward network transmitting channel transmission to lead directly to data;
Described receiving terminal is used for using the idle down channel of cellular network to base station requests; When receiving the dispatch command of the idle down channel of base station permission use cellular network, according to described dispatch command, distributing the idle down channel of cellular network is the straight-forward network receive channel, and uses described straight-forward network receive channel reception to lead directly to data;
Described base station is used for sending the dispatch command that allows to use cellular network free time up channel to transmitting terminal when receiving the idle up channel use of transmitting terminal cellular network request; And/or, when receiving the idle down channel use of receiving terminal cellular network request, send the dispatch command that allows to use cellular network free time down channel to receiving terminal.
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