CN103002456B - A kind of method of end-to-end direct communication, system and equipment - Google Patents
A kind of method of end-to-end direct communication, system and equipment Download PDFInfo
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- CN103002456B CN103002456B CN201210504394.5A CN201210504394A CN103002456B CN 103002456 B CN103002456 B CN 103002456B CN 201210504394 A CN201210504394 A CN 201210504394A CN 103002456 B CN103002456 B CN 103002456B
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Abstract
The invention discloses a kind of end-to-end direct communication method, comprising: transmitting terminal uses the idle up channel of cellular network to base station requests; Transmitting terminal is when receiving base station and allowing the dispatch command using the idle up channel of cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data.The present invention also discloses system and the equipment of end-to-end direct communication, use technical scheme of the present invention, ensure that under the prerequisite that cellular network communication is unimpeded, end-to-end direct communication can be realized.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method of end-to-end (D2D, DevicetoDevice) direct communication, system and equipment.
Background technology
End-to-end direct communication technology can realize direct communication between 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, thus day by day becomes Hot spots for development.
Most of application scenarioss due to end-to-end direct communication require to ensure that original cellular network communication is unimpeded, and therefore while guarantee cellular network communication is unimpeded, how realizing 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 of end-to-end direct communication, system and equipment, is ensureing, under the prerequisite that cellular network communication is unimpeded, can realize end-to-end direct 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 base station and allowing the dispatch command using the idle up channel of cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through 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 base station and allowing the dispatch command using the idle down channel of cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data.
Further, the method also comprises:
When transmitting terminal receives cellular network free time uplink channel information, 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 cellular network free time up channel by base station; And/or,
When receiving terminal receives cellular network free time descending channel information, 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 cellular network free time down channel by base station.
Further, the method also comprises:
When base station requests uses described straight-forward network transmitting channel, transmitting terminal continues to send straight-through data, and it is cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel; And/or,
When base station requests uses described straight-forward network receive channel, receiving terminal continues to receive straight-through data, and switching straight-forward network receive channel after straight-through data receiver is cellular network down channel.
Further, the method also comprises:
When base station requests uses described straight-forward network transmitting channel, transmitting terminal suspends the straight-through data of transmission, switching straight-forward network transmitting channel is cellular network up channel, and when receiving the cellular network free time uplink channel information that base station sends, continue to use the idle up channel of cellular network to base station requests; And/or,
When base station requests uses described straight-forward network receive channel, receiving terminal suspends the straight-through data of reception, switching straight-forward network receive channel is cellular network down channel, and when receiving the cellular network free time descending channel information that base station sends, continue to use the idle down channel of cellular network to base station requests.
Present invention also offers a kind of end-to-end straight-through data receive method, the method comprises:
Receiving terminal uses the idle down channel of cellular network to base station requests;
Receiving terminal is when receiving base station and allowing the dispatch command using the idle down channel of cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data.
Further, the method also comprises:
When receiving terminal receives cellular network free time descending channel information, 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 cellular network free time down channel by base station.
Further, when base station requests uses described straight-forward network receive channel, the method also comprises:
Receiving terminal continues to receive straight-through data, and switching straight-forward network receive channel after straight-through data receiver is cellular network down channel; Or,
Receiving terminal suspends the straight-through data of reception, and switching straight-forward network receive channel is cellular network down channel, and when the idle descending channel information of the cellular network receiving base station transmission, continues to the idle down channel of base station requests use cellular network.
Present invention also offers a kind of transmitting terminal, described transmitting terminal comprises: the first transceiver module and the first distribution module; Wherein,
Described first transceiver module, uses request for sending the idle up channel of cellular network to base station; Receive the dispatch command that base station allows to use the idle up channel of cellular network; The straight-forward network transmitting channel of the first module assigns is used to send straight-through data;
Described first distribution module, for receive at the first transceiver module base station allow the dispatch command using the idle up channel of cellular network time, according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel.
Further, described transmitting terminal comprises further:
Second transceiver module and the second distribution module; Wherein,
Described second transceiver module, uses request for sending the idle down channel of cellular network to base station; Receive the dispatch command that base station allows to use the idle down channel of cellular network; The straight-forward network receive channel of the second module assigns is used to receive straight-through data;
Described second distribution module, for receive at the second transceiver module base station allow the dispatch command using the idle down channel of cellular network time, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel.
Further,
Described first transceiver module, specifically for when receiving cellular network free time uplink channel information, use request to the base station idle up channel of transmission cellular network, the idle uplink channel information of described cellular network is sent when monitoring cellular network free time up channel by base station.
Further, described transmitting terminal also comprises:
First handover module, uses the request of straight-forward network transmitting channel for receiving base station at described first transceiver module, and when the straight-through data of the first transceiver module transmission are complete, switching straight-forward network transmitting channel is cellular network up channel;
Described first transceiver module, also for when receiving base station and using the request of straight-forward network transmitting channel, continues to send straight-through data.
Further, described transmitting terminal also comprises:
First handover module, for receive at described first transceiver module base station use the request of straight-forward network transmitting channel time, switching straight-forward network transmitting channel is cellular network up channel;
Described first transceiver module, also for when receiving base station and using the request of straight-forward network transmitting channel, suspend and use straight-forward network transmitting channel to send straight-through data, and when receiving the cellular network free time uplink channel information that base station sends, continuing to send the idle up channel of cellular network to base station and using request.
Present invention also offers a kind of receiving terminal, described receiving terminal comprises: the second transceiver module and the second distribution module; Wherein,
Described second transceiver module, uses request for sending the idle down channel of cellular network to base station; Receive the dispatch command that base station allows to use described idle down channel; The straight-forward network receive channel of the second module assigns is used to receive straight-through data;
Described second distribution module, for receive at the second transceiver module base station allow the dispatch command of cellular network idle down channel time, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel.
Further,
Described second transceiver module, specifically for when receiving cellular network free time descending channel information, use request to the base station idle down channel of transmission cellular network, the idle descending channel information of described cellular network is sent when monitoring cellular network free time down channel by base station.
Further, described receiving terminal also comprises: the second handover module,
Described second handover module, uses the request of straight-forward network receive channel for receiving base station at the second transceiver module, and when the straight-through data of the second transceiver module reception are complete, switching straight-forward network receive channel is cellular network down channel;
Described second transceiver module, also for when receiving base station and using the request of straight-forward network receive channel, continues to receive straight-through data;
Or,
Described second handover module, for receive at the second transceiver module base station use the request of straight-forward network receive channel time, switching straight-forward network receive channel is cellular network down channel;
Described second transceiver module, also for when receiving base station and using the request of straight-forward network receive channel, suspend and use straight-forward network receive channel to receive straight-through data, and when receiving the cellular network free time descending channel information that base station sends, continue to use the idle down channel of cellular network to base station requests.
Present invention also offers a kind of base station, described base station comprises: the 3rd transceiver module and the 3rd scheduler module; Wherein,
Described 3rd transceiver module, the idle up channel of cellular network sent for receiving end/sending end uses request; The dispatch command of the idle up channel of permission use cellular network that the 3rd scheduler module is assigned is sent to transmitting terminal;
Described 3rd scheduler module, for assigning the dispatch command allowing to use the idle up channel of cellular network.
Further, described base station comprises further:
4th transceiver module and the 4th scheduler module; Wherein,
Described 4th transceiver module, the idle down channel of cellular network sent for receiving receiving terminal uses request; The dispatch command of the idle down channel of permission use cellular network that the 4th scheduler module is assigned is sent to receiving terminal;
Described 4th scheduler module, for assigning the dispatch command allowing to use the idle down channel of cellular network.
Further, described base station also comprises:
3rd monitoring modular, for monitoring the idle up channel of cellular network;
Described 3rd transceiver module, also for when the 3rd monitoring module monitors is to cellular network free time up channel, sends the idle uplink channel information of cellular network to transmitting terminal.
Further,
Described 3rd scheduler module, also uses request for assigning straight-forward network transmitting channel;
Described 3rd transceiver module, the straight-forward network transmitting channel also assigned for sending the 3rd scheduler module to transmitting terminal uses request.
Present invention also offers a kind of base station, described base station comprises: the 4th transceiver module and the 4th scheduler module; Wherein,
Described 4th transceiver module, the idle down channel of cellular network sent for receiving receiving terminal uses request; The dispatch command of the idle down channel of permission use cellular network that the 4th scheduler module is assigned is sent to receiving terminal;
Described 4th scheduler module, for assigning the dispatch command allowing to use the idle down channel of cellular network.
Further, described base station also comprises:
4th monitoring modular, for monitoring the idle down channel of cellular network;
Described 4th transceiver module, also for when the 4th monitoring module monitors is to cellular network free time down channel, sends the idle descending channel information of cellular network to receiving terminal.
Further,
Described 4th scheduler module, also uses request for assigning straight-forward network receive channel;
Described 4th transceiver module, the straight-forward network receive channel also assigned for sending the 4th scheduler module to receiving terminal uses request.
Accordingly, present invention also offers a kind of end-to-end direct communication system, described end-to-end direct communication system comprises: base station, and receiving terminal and/or transmitting terminal; Wherein,
Described transmitting terminal, for using the idle up channel of cellular network to base station requests; When receiving base station and allowing the dispatch command using the idle up channel of cellular network, according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data;
Described receiving terminal, for using the idle down channel of cellular network to base station requests; When receiving base station and allowing the dispatch command using the idle down channel of cellular network, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data;
Described base station, for when receiving the idle up channel of transmitting terminal cellular network and using request, sends the dispatch command allowing to use the idle up channel of cellular network to transmitting terminal; And/or, when receiving the idle down channel of receiving terminal cellular network and using request, send the dispatch command allowing to use the idle down channel of cellular network to receiving terminal.
In technical scheme provided by the present invention, transmitting terminal and receiving terminal use the idle channel of cellular network respectively to base station requests, distributing described idle channel is straight-forward network channel, and use described straight-forward network channel to carry out transmission and the reception of straight-through data, so, ensureing, under the prerequisite that cellular network communication is unimpeded, can end-to-end direct communication be carried out; Further, when cellular network needs to use straight-forward network channel, cellular network needs the straight-forward network channel used to switch to cellular network channel by transmitting terminal or receiving terminal, ensure that the unimpeded of cellular network, improves the utilance of channel.
Accompanying drawing explanation
Fig. 1 is the present invention's end-to-end direct communication method 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
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
Fig. 1 is the present invention's end-to-end direct communication method 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 step 101, also comprise the flow process that transmitting terminal and receiving terminal confirm to carry out end-to-end direct communication, be specially:
Transmitting terminal sends straight-through transfer of data acknowledge message to receiving terminal, and receiving terminal responds 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 carrying out direct communication is completed by cellular network communication.
Further, before step 101, also comprise following flow process:
When transmitting terminal receives cellular network free time uplink channel information, 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 cellular network free time up channel by 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 to be sent when monitoring cellular network free time up channel by base station; Also initiatively transmitting terminal can be sent to by by base station when monitoring cellular network free time up channel.
Step 102: transmitting terminal is when receiving base station and allowing the dispatch command using the idle up channel of cellular network, according to described dispatch command, distributing the idle up channel of cellular network is 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 straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data, is specially:
It is straight-through data transmitting channel and straight-through control information transmitting channel that transmitting terminal distributes the idle up channel of cellular network, 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 uses described straight-forward network transmitting channel, following process is carried out:
Transmitting terminal continues to send straight-through data, and it is cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel;
Here, when base station requests uses described straight-forward network transmitting channel, following process can also be carried out:
Transmitting terminal suspends the straight-through data of transmission, and switching straight-forward network transmitting channel is cellular network up channel, and when the idle uplink channel information of the cellular network receiving base station transmission, continues to the idle up channel of base station requests use cellular network.
Here, the data head of described straight-through data carries the mark 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 is applied in public safety field, the data head of straight-through data block only can carry straight-through send mode mark and lead directly to data receiver client information, to reach the object of the source-information hiding straight-through data.
Further, when transmitting terminal sends straight-through data, also comprise the handling process that receiving terminal receives straight-through data, be illustrated in figure 2 end-to-end straight-through data receive method realization flow schematic diagram, comprise:
Step 201: receiving terminal uses the idle down channel of cellular network to base station requests;
Further, before step 201, also comprise following flow process:
When receiving terminal receives cellular network free time descending channel information, 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 cellular network free time down channel by 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 to be sent when monitoring cellular network free time down channel by base station; Also initiatively receiving terminal can be sent to by base station when monitoring cellular network free time down channel.
Step 202: receiving terminal is when receiving base station and allowing the dispatch command using the idle down channel of cellular network, according to described dispatch command, distributing the idle down channel of cellular network is 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 straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data, is specially:
Receiving terminal distributes the multipling channel that the idle down channel of cellular network is 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 uses described straight-forward network receive channel, following process is carried out:
Receiving terminal continues to receive straight-through data, and switching straight-forward network receive channel after straight-through data receiver is cellular network down channel.
Here, when base station requests uses described straight-forward network receive channel, following process can also be carried out:
Receiving terminal suspends the straight-through data of reception, and switching straight-forward network receive channel is cellular network down channel, and when the idle descending channel information of the cellular network receiving base station transmission, continues to the idle down channel of base station requests use cellular network.
It should be noted that, for the straight-through data that transmitting terminal is sent by described straight-forward network transmitting channel, receiving terminal can use straight-forward network dedicated channel to receive; Accordingly, for the straight-through data that transmitting terminal uses 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, uses the idle up channel of cellular network for asking to base station 32; When receiving base station 32 and allowing the dispatch command using the idle up channel of cellular network, according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data;
Described base station 32, for when receiving the cellular network idle up channel use request that transmitting terminal 31 sends, sends the dispatch command allowing to use cellular network free time up channel to transmitting terminal 31.
Described transmitting terminal 31, be further used for: when receiving cellular network free time uplink channel information, ask to base station 32 to use the idle up channel of cellular network, the idle uplink channel information of described cellular network is sent when monitoring cellular network free time up channel by base station 32.
Described transmitting terminal 31, is further used for: when receiving base station 32 and using the request of straight-forward network transmitting channel, and continuation sends straight-through data and when straight-through data are sent, switching straight-forward network transmitting channel is cellular network up channel.
Described transmitting terminal 31, be further used for: when receiving base station 32 and using the request of straight-forward network transmitting channel, suspend and use straight-forward network transmitting channel to send straight-through data, switching straight-forward network transmitting channel is cellular network up channel, and when receiving the cellular network free time uplink channel information that base station 32 sends, continue to ask to base station 32 to use the idle up channel of cellular network.
Described base station 32, is further used for: when monitoring cellular network free time up channel, sends the idle uplink channel information of cellular network to transmitting terminal 31.
Described base station 32, is further used for: assign 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 first transceiver module 311, uses request for sending the idle up channel of cellular network to base station 32; Receive the dispatch command that base station 32 allows to use the idle up channel of cellular network; The straight-forward network transmitting channel using the first distribution module 312 to distribute sends straight-through data;
Described first distribution module 312, for receive at the first transceiver module 311 base station 32 allow the dispatch command using the idle up channel of cellular network time, according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel.
Further, described first transceiver module 311, specifically for when receiving cellular network free time uplink channel information, send the idle up channel of cellular network to base station 32 and use request, the idle uplink channel information of described cellular network is sent when monitoring cellular network free time up channel by base station 32.
Further, described transmitting terminal 31 also comprises:
First handover module 313, for receiving at the first transceiver module 311 request that base station 32 uses straight-forward network transmitting channel, and when the straight-through data of the first transceiver module 311 transmission are complete, switching straight-forward network transmitting channel is cellular network up channel;
Described first transceiver module 311, also for when receiving base station 32 and using the request of straight-forward network transmitting channel, continues to send straight-through data.
Further, described first handover module 313, also for receive at the first transceiver module 311 base station 32 use the request of straight-forward network transmitting channel time, switching straight-forward network transmitting channel is cellular network up channel;
Described first transceiver module 311, also for when receiving base station 32 and using the request of straight-forward network transmitting channel, suspend and use straight-forward network transmitting channel to send straight-through data, and when receiving the cellular network free time uplink channel information that base station 32 sends, continuing to send the idle up channel of cellular network to base station 32 and using request.
Further, described base station 32 comprises: the second scheduler module 321 and the second transceiver module 322; Wherein,
Described second scheduler module 321, for assigning the dispatch command allowing to use the idle up channel of cellular network;
Described second transceiver module 322, the idle up channel of cellular network sent for receiving end/sending end 31 uses request; The dispatch command of the idle up channel of permission use cellular network that the second scheduler module 321 is assigned is sent to transmitting terminal 31.
Further, described base station 32 also comprises:
Second monitoring modular 323, for monitoring the idle up channel of cellular network;
Described second transceiver module 322, time also for monitoring cellular network free time up channel at the second monitoring modular 323, sends the idle uplink channel information of cellular network to transmitting terminal 31.
Further,
Described second scheduler module 321, also uses request for assigning straight-forward network transmitting channel;
Described second transceiver module 322, the straight-forward network transmitting channel also assigned for sending the second scheduler module 321 to transmitting terminal 31 uses request.
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, uses the idle down channel of cellular network for asking to base station 42; When receiving base station 42 and allowing the dispatch command using the idle down channel of cellular network, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data;
Described base station 42, for when receiving the cellular network idle down channel use request that receiving terminal 41 sends, sends the dispatch command allowing to use cellular network free time down channel to receiving terminal 41.
Described transmitting terminal 41, be further used for: when receiving cellular network free time descending channel information, ask to base station 42 to use the idle down channel of cellular network, the idle descending channel information of described cellular network is sent when monitoring cellular network free time down channel by base station 42.
Described receiving terminal 41, is further used for: when receiving base station 42 and using the request of straight-forward network receive channel, and continuation receives straight-through data and when straight-through data receiver is complete, switching straight-forward network receive channel is cellular network down channel.
Described receiving terminal 41, be further used for: when receiving base station 42 and using the request of straight-forward network receive channel, suspend and use straight-forward network receive channel to receive straight-through data, switching straight-forward network receive channel is cellular network down channel, and when receiving the cellular network free time descending channel information that base station 42 sends, continue to ask to base station 42 to use the idle down channel of cellular network.
Described base station 42, is further used for: when monitoring cellular network free time down channel, sends the idle descending channel information of cellular network to receiving terminal 41.
Described base station 42, is further used for: assign 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 first transceiver module 411, uses request for sending the idle down channel of cellular network to base station 42; Receive the dispatch command that base station 42 allows to use the idle down channel of cellular network; The straight-forward network receive channel using the first distribution module 412 to distribute receives straight-through data;
Described first distribution module 412, for receive at the first transceiver module 411 base station 42 allow the dispatch command using the idle down channel of cellular network time, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel.
Further, described first transceiver module 411, specifically for when receiving cellular network free time descending channel information, send the idle down channel of cellular network to base station 42 and use request, the idle descending channel information of described cellular network is sent when monitoring cellular network free time down channel by base station 42.
Further, described receiving terminal 41 also comprises:
First handover module 413, for receiving at the first transceiver module 411 request that base station 42 uses straight-forward network receive channel, and when the straight-through data of the first transceiver module 411 reception are complete, switching straight-forward network receive channel is cellular network down channel;
Described first transceiver module 411, also for when receiving base station 42 and using the request of straight-forward network receive channel, continues to receive straight-through data.
Further, described first handover module 413, also for receive at the first transceiver module 411 base station 42 use the request of straight-forward network receive channel time, switching straight-forward network receive channel is cellular network down channel;
Described first transceiver module 411, also for when receiving base station 42 and using the request of straight-forward network receive channel, suspend and use straight-forward network receive channel to receive straight-through data, and when receiving the cellular network free time descending channel information that base station 42 sends, continuing to send the idle down channel of cellular network to base station 42 and using request.
Further, described base station 42 comprises: the second scheduler module 421 and the second transceiver module 422; Wherein,
Described second scheduler module 421, for assigning the dispatch command allowing to use the idle down channel of cellular network;
Described second transceiver module 422, the idle down channel of cellular network sent for receiving end/sending end 41 uses request; The dispatch command of the idle down channel of permission use cellular network that the second scheduler module 421 is assigned is sent to transmitting terminal 41.
Further, described base station 42 also comprises:
Second monitoring modular 423, for monitoring the idle down channel of cellular network;
Described second transceiver module 422, time also for monitoring cellular network free time down channel at the second monitoring modular 423, sends the idle descending channel information of cellular network to transmitting terminal 41.
Further,
Described second scheduler module 421, also uses request for assigning straight-forward network receive channel;
Described second transceiver module 422, the straight-forward network receive channel also assigned for sending the second scheduler module 421 to receiving terminal 41 uses request.
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: the operating process that user terminal (UE, UserEquipment) 1, base station and UE2, UE1 and UE2 carry out end-to-end direct communication is as follows:
When user needs operation UE1 to send straight-through data to UE2, UE1 and UE2 carries out cellular communication to complete following interaction flow: user operation UE1 sends straight-through transfer of data acknowledge message to UE2, until user operation UE2 responds described straight-through transfer of data acknowledge message, confirm to receive straight-through data; Now, UE1 is transmitting terminal, and UE2 is receiving terminal;
After UE1 confirms that UE2 receives straight-through data, to the idle uplink channel information of base station requests cellular network, when receiving the cellular network free time uplink channel information that base station returns, the idle up channel of cellular network is used to base station requests, when receiving base station and allowing the dispatch command using the idle up channel of cellular network, according to described dispatch command, distributing the idle up channel of cellular network is straight-through data transmitting channel and straight-through control information transmitting channel, described straight-through data transmitting channel is used to send straight-through data, and use described straight-through control information transmitting channel to send control information,
After UE2 confirms to receive straight-through data, to the idle descending channel information of base station requests cellular network, when receiving the cellular network free time descending channel information that base station returns, the idle down channel of cellular network is used to base station requests, when receiving base station and allowing the dispatch command using the idle down channel of cellular network, according to described dispatch command, distribute the multipling channel that the idle down channel of cellular network is 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, UE1 uses straight-forward network dedicated channel to send straight-through data and control information, and UE2 uses described straight-forward network receive channel to receive straight-through data and control information.
Optionally, UE1 uses described straight-through data transmitting channel and control information transmitting channel, and corresponding transmission leads directly to data and control information, and UE2 uses straight-forward network dedicated channel to receive straight-through data and control information.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (18)
1. an end-to-end direct communication method, it 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 base station and allowing the dispatch command using the idle up channel of cellular network, and according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data;
The method also comprises: when base station requests uses described straight-forward network transmitting channel, and transmitting terminal continues to send straight-through data, and it is cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel;
Or, when base station requests uses described straight-forward network transmitting channel, transmitting terminal suspends the straight-through data of transmission, switching straight-forward network transmitting channel is cellular network up channel, and when receiving the cellular network free time uplink channel information that base station sends, continue to use the idle up channel of cellular network to base station requests.
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 base station and allowing the dispatch command using the idle down channel of cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data.
3. method according to claim 1, is characterized in that, the method also comprises:
When transmitting terminal receives cellular network free time uplink channel information, 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 cellular network free time up channel by base station; And/or,
When receiving terminal receives cellular network free time descending channel information, 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 cellular network free time down channel by base station.
4. the method according to claim 1,2 or 3, it is characterized in that, the method also comprises:
When base station requests uses described straight-forward network receive channel, receiving terminal continues to receive straight-through data, and switching straight-forward network receive channel after straight-through data receiver is cellular network down channel.
5. the method according to claim 1,2 or 3, it is characterized in that, the method also comprises:
When base station requests uses described straight-forward network receive channel, receiving terminal suspends the straight-through data of reception, switching straight-forward network receive channel is cellular network down channel, and when receiving the cellular network free time descending channel information that base station sends, continue to use the idle down channel of cellular network to base station requests.
6. an end-to-end straight-through data receive method, it 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 base station and allowing the dispatch command using the idle down channel of cellular network, and according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data;
When base station requests uses described straight-forward network receive channel, the method also comprises:
Receiving terminal continues to receive straight-through data, and switching straight-forward network receive channel after straight-through data receiver is cellular network down channel; Or,
Receiving terminal suspends the straight-through data of reception, and switching straight-forward network receive channel is cellular network down channel, and when the idle descending channel information of the cellular network receiving base station transmission, continues to the idle down channel of base station requests use cellular network.
7. method according to claim 6, is characterized in that, the method also comprises:
When receiving terminal receives cellular network free time descending channel information, 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 cellular network free time down channel by base station.
8. a transmitting terminal, is characterized in that, described transmitting terminal comprises: the first transceiver module and the first distribution module; Wherein,
Described first transceiver module, uses request for sending the idle up channel of cellular network to base station; Receive the dispatch command that base station allows to use the idle up channel of cellular network; The straight-forward network transmitting channel of the first module assigns is used to send straight-through data;
Described first distribution module, for receive at the first transceiver module base station allow the dispatch command using the idle up channel of cellular network time, according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel;
Described transmitting terminal also comprises: the first handover module, the request of straight-forward network transmitting channel is used for receiving base station at described first transceiver module, and the first transceiver module send straight-through data complete time, switching straight-forward network transmitting channel is cellular network up channel; Correspondingly, described first transceiver module, also for when receiving base station and using the request of straight-forward network transmitting channel, continues to send straight-through data;
First handover module, also for receive at described first transceiver module base station use the request of straight-forward network transmitting channel time, switching straight-forward network transmitting channel is cellular network up channel; Correspondingly, described first transceiver module, also for when receiving base station and using the request of straight-forward network transmitting channel, suspend and use straight-forward network transmitting channel to send straight-through data, and when receiving the cellular network free time uplink channel information that base station sends, continuing to send the idle up channel of cellular network to base station and using request.
9. transmitting terminal according to claim 8, is characterized in that, described transmitting terminal comprises further:
Second transceiver module and the second distribution module; Wherein,
Described second transceiver module, uses request for sending the idle down channel of cellular network to base station; Receive the dispatch command that base station allows to use the idle down channel of cellular network; The straight-forward network receive channel of the second module assigns is used to receive straight-through data;
Described second distribution module, for receive at the second transceiver module base station allow the dispatch command using the idle down channel of cellular network time, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel.
10. transmitting terminal according to claim 8, is characterized in that,
Described first transceiver module, specifically for when receiving cellular network free time uplink channel information, use request to the base station idle up channel of transmission cellular network, the idle uplink channel information of described cellular network is sent when monitoring cellular network free time up channel by base station.
11. 1 kinds of receiving terminals, is characterized in that, described receiving terminal comprises: the second transceiver module and the second distribution module; Wherein,
Described second transceiver module, uses request for sending the idle down channel of cellular network to base station; Receive the dispatch command that base station allows to use described idle down channel; The straight-forward network receive channel of the second module assigns is used to receive straight-through data;
Described second distribution module, for receive at the second transceiver module base station allow the dispatch command of cellular network idle down channel time, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel;
Described receiving terminal also comprises: the second handover module,
Described second handover module, uses the request of straight-forward network receive channel for receiving base station at the second transceiver module, and when the straight-through data of the second transceiver module reception are complete, switching straight-forward network receive channel is cellular network down channel; Described second transceiver module, also for when receiving base station and using the request of straight-forward network receive channel, continues to receive straight-through data;
Or, described second handover module, for receive at the second transceiver module base station use the request of straight-forward network receive channel time, switching straight-forward network receive channel is cellular network down channel; Described second transceiver module, also for when receiving base station and using the request of straight-forward network receive channel, suspend and use straight-forward network receive channel to receive straight-through data, and when receiving the cellular network free time descending channel information that base station sends, continue to use the idle down channel of cellular network to base station requests.
12. receiving terminals according to claim 11, is characterized in that,
Described second transceiver module, specifically for when receiving cellular network free time descending channel information, use request to the base station idle down channel of transmission cellular network, the idle descending channel information of described cellular network is sent when monitoring cellular network free time down channel by base station.
13. 1 kinds of base stations, is characterized in that, described base station comprises: the 3rd transceiver module and the 3rd scheduler module; Wherein,
Described 3rd transceiver module, the idle up channel of cellular network sent for receiving end/sending end uses request; The dispatch command of the idle up channel of permission use cellular network that the 3rd scheduler module is assigned is sent to transmitting terminal; The straight-forward network transmitting channel also assigned for sending the 3rd scheduler module to transmitting terminal uses request, transmitting terminal is made to continue to send straight-through data, it is cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel, or, transmitting terminal is suspended and sends straight-through data, switching straight-forward network transmitting channel is cellular network up channel, and when receiving the cellular network free time uplink channel information that base station sends, continue to use the idle up channel of cellular network to base station requests;
Described 3rd scheduler module, for assigning the dispatch command allowing to use the idle up channel of cellular network; Also use request for assigning straight-forward network transmitting channel.
14. base stations according to claim 13, is characterized in that, described base station comprises further:
4th transceiver module and the 4th scheduler module; Wherein,
Described 4th transceiver module, the idle down channel of cellular network sent for receiving receiving terminal uses request; The dispatch command of the idle down channel of permission use cellular network that the 4th scheduler module is assigned is sent to receiving terminal;
Described 4th scheduler module, for assigning the dispatch command allowing to use the idle down channel of cellular network.
15. base stations according to claim 13, is characterized in that, described base station also comprises:
3rd monitoring modular, for monitoring the idle up channel of cellular network;
Described 3rd transceiver module, also for when the 3rd monitoring module monitors is to cellular network free time up channel, sends the idle uplink channel information of cellular network to transmitting terminal.
16. 1 kinds of base stations, is characterized in that, described base station comprises: the 4th transceiver module and the 4th scheduler module; Wherein,
Described 4th transceiver module, the idle down channel of cellular network sent for receiving receiving terminal uses request; The dispatch command of the idle down channel of permission use cellular network that the 4th scheduler module is assigned is sent to receiving terminal; The straight-forward network receive channel also assigned for sending the 4th scheduler module to receiving terminal uses request, and make receiving terminal continue to receive straight-through data, switching straight-forward network receive channel after straight-through data receiver is cellular network down channel; Or make receiving terminal suspend and receive straight-through data, switching straight-forward network receive channel is cellular network down channel, and when the idle descending channel information of the cellular network receiving base station transmission, continue to use the idle down channel of cellular network to base station requests;
Described 4th scheduler module, for assigning the dispatch command allowing to use the idle down channel of cellular network; Also use request for assigning straight-forward network receive channel.
17. base stations according to claim 16, is characterized in that, described base station also comprises:
4th monitoring modular, for monitoring the idle down channel of cellular network;
Described 4th transceiver module, also for when the 4th monitoring module monitors is to cellular network free time down channel, sends the idle descending channel information of cellular network to receiving terminal.
18. 1 kinds of end-to-end direct communication systems, 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, for using the idle up channel of cellular network to base station requests; When receiving base station and allowing the dispatch command using the idle up channel of cellular network, according to described dispatch command, distributing the idle up channel of cellular network is straight-forward network transmitting channel, and uses described straight-forward network transmitting channel to send straight-through data; Also for, when base station requests uses described straight-forward network transmitting channel, transmitting terminal continues to send straight-through data, it is cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel, or transmitting terminal suspends the straight-through data of transmission, and switching straight-forward network transmitting channel is cellular network up channel, and when receiving the cellular network free time uplink channel information that base station sends, continue to use the idle up channel of cellular network to base station requests;
Described receiving terminal, for using the idle down channel of cellular network to base station requests; When receiving base station and allowing the dispatch command using the idle down channel of cellular network, according to described dispatch command, distributing the idle down channel of cellular network is straight-forward network receive channel, and uses described straight-forward network receive channel to receive straight-through data; Also for, when base station requests uses described straight-forward network receive channel, receiving terminal continues to receive straight-through data, switching straight-forward network receive channel after straight-through data receiver is cellular network down channel, or receiving terminal suspends the straight-through data of reception, and switching straight-forward network receive channel is cellular network down channel, and when receiving the cellular network free time descending channel information that base station sends, continue to use the idle down channel of cellular network to base station requests;
Described base station, for when receiving the idle up channel of transmitting terminal cellular network and using request, sends the dispatch command allowing to use the idle up channel of cellular network to transmitting terminal; Also use request for sending straight-forward network transmitting channel to transmitting terminal, transmitting terminal is made to continue to send straight-through data, it is cellular network up channel that straight-through data are sent rear switching straight-forward network transmitting channel, or, transmitting terminal is suspended and sends straight-through data, switching straight-forward network transmitting channel is cellular network up channel, and when receiving the cellular network free time uplink channel information that base station sends, continues to use the idle up channel of cellular network to base station requests; And/or, when receiving the idle down channel of receiving terminal cellular network and using request, send the dispatch command allowing to use the idle down channel of cellular network to receiving terminal; Also use request for sending straight-forward network receive channel to receiving terminal, make receiving terminal continue to receive straight-through data, switching straight-forward network receive channel after straight-through data receiver is cellular network down channel; Or make receiving terminal suspend and receive straight-through data, switching straight-forward network receive channel is cellular network down channel, and when the idle descending channel information of the cellular network receiving base station transmission, continue to use the idle down channel of cellular network to base station requests.
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| CN105101414B (en) * | 2014-05-07 | 2021-02-09 | 夏普株式会社 | User equipment and method thereof |
| EP2983440A1 (en) * | 2014-08-07 | 2016-02-10 | Alcatel Lucent | Device-to-device communication |
| CN106488584B (en) * | 2015-09-02 | 2020-02-21 | 电信科学技术研究院 | Data sending and transmitting method and device |
| HUE057085T2 (en) | 2015-10-16 | 2022-04-28 | Hoffmann La Roche | A method for operating a system and a system |
| US10341927B2 (en) * | 2017-07-20 | 2019-07-02 | GM Global Technology Operations LLC | Vehicle wireless unit and method of operating the same |
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Effective date of registration: 20220928 Address after: 27-001, south side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee after: Tinno Mobile Technology Corp. Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong Patentee before: ZTE Corp. Effective date of registration: 20220928 Address after: 644000 building 6, sugE intelligent industrial base, No. 31, west section of Gangyuan Road, Lingang Economic Development Zone, Yibin City, Sichuan Province Patentee after: Yibin Meijie Communication Technology Co.,Ltd. Patentee after: Tinno Mobile Technology Corp. Address before: 27-001, south side of Tianlong Mobile Headquarters Building, Tongfa South Road, Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province, 518000 Patentee before: Tinno Mobile Technology Corp. |