CN102118403A - Point-to-point transmission method, base station, terminal and point-to-point transmission system - Google Patents
Point-to-point transmission method, base station, terminal and point-to-point transmission system Download PDFInfo
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- CN102118403A CN102118403A CN2009102388538A CN200910238853A CN102118403A CN 102118403 A CN102118403 A CN 102118403A CN 2009102388538 A CN2009102388538 A CN 2009102388538A CN 200910238853 A CN200910238853 A CN 200910238853A CN 102118403 A CN102118403 A CN 102118403A
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Abstract
The embodiment of the invention discloses a point-to-point transmission method including the following steps: determining to request terminals with the same service; determining a service group from the requested terminals with the same service according to a preset rule; distributing a service group identification to the determined service group and transmitting the service group identification to all terminals in the service group; and according to a prefixed distribution principle, distributing an intra-group service channel from a preset channel resource to a terminal that requests distribution of the intra-group service channel. The intra-group service channel is used for enabling the terminals in the service group to communicate by using the service group identification. Accordingly, the embodiment of the invention also discloses a point-to-point transmission method, a base station, a terminal and a point-to-point transmission system. With the scheme, resource consumption can be reduced and the efficiency of service distribution can be improved.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of point-to-point transmission method, base station, terminal and point-to-point transmission system.
Background technology
In the existing wireless cellular network, professional transmission all is by the mode of base station to the user, belongs to a little to multiple spot, so the capacity of whole sub-district is limited by the single-point capacity of base station.Along with the development of wireless traffic, wireless cellular network need transmit the development of bigger data traffic, particularly video traffic, and original network architecture can't support the video transmission of big flow.Main cause is because the base station as Centroid, causes video transmission to produce bottleneck.
Existing wireless cellular network can be divided into according to cell size: macrocellular, microcellulor etc.Derive according to shannon formula, it doesn't matter for the capacity of community user and cell size, and arrive the distance of peripheral base station than relevant with the user.Under geographic area and the big or small certain situation of carrier bandwidths, if the sub-district is more little, whole net just comprises many more A Xiaoqu, and whole so accordingly network capacity amount is just high more.The framework of wireless cellular network can't satisfy the transmission demand of big capacity wireless traffic at present, under limited zone and carrier bandwidths, needs to improve the capacity of whole net.Central principle is exactly in certain geographic range, and unlimited a plurality of microcellulor is provided.A kind of feasible scheme is exactly in certain zone, to increase base station number and improve whole network capacity amount.
If the distance that all business all by the Channel Transmission of base station and terminal, are limited by between base station and the portable terminal is far and near, the transmitting power that base station and terminal all need to reach certain is transmitted data.Because the resource-sharing of many cell spectrums, the high-power emission of user and base station can cause higher resource consumption, and distribution of services efficient is not high.
Summary of the invention
The embodiment of the invention provides a kind of point-to-point transmission method, base station, terminal and point-to-point transmission system, to reduce the resource consumption of system, improves distribution of services efficient.
One embodiment of the invention provides a kind of point-to-point transmission method, comprising:
Determine the terminal of request identical services;
According to predetermined rule, from the terminal of described request identical services, determine service groups;
Be the service groups distribution service group id of determining, send described service groups and identify to all terminals in the described service groups;
According to predetermined distribution principle, be Traffic Channel in the terminal distribution group of traffic channel assignments in the request group in the described service groups from the channel resource that presets, described group of interior Traffic Channel is used for making the terminal of described service groups to use described service groups sign to communicate.
One embodiment of the invention provides a kind of point-to-point transmission method, comprising:
Receive the service groups sign of the affiliated service groups of base station transmission;
Use the service groups sign of described affiliated service groups to initiate service request;
Receive the business datum that other terminal in the described affiliated service groups sends by the interior Traffic Channel of the group of base station assigns, the business datum that other terminal in the described affiliated service groups sends is the response of other interior terminal of affiliated service groups to described service request; In described group Traffic Channel be the base station receive described under after the channel assignment request of other terminal in the service groups, according to predetermined rule be described under other terminal in the service groups distribute.
One embodiment of the invention provides a kind of base station, comprising:
Determination module is used for definite terminal of asking identical services;
The service groups determination module according to predetermined rule, is determined service groups from the terminal of described request identical services;
Distribution module is used to the service groups distribution service group id of determining;
Sending module is used for sending described service groups and identifies all terminals to described service groups;
Channel assignment module in the group, according to predetermined distribution principle, be Traffic Channel in the terminal distribution group of traffic channel assignments in the request group in the described service groups from the channel resource that presets, described group of interior Traffic Channel is used for making the terminal of described service groups to use described service groups sign to communicate.
One embodiment of the invention provides a kind of terminal, comprising:
The sign receiver module is used to receive the service groups sign of service groups under the described terminal that the base station sends;
Request sending module is used to use the service groups sign of described affiliated service groups to initiate service request;
Business datum receiver module in the group, be used to receive the business datum that other terminal in the described affiliated service groups sends by the interior Traffic Channel of the group of base station assigns, the business datum that other terminal in the described affiliated service groups sends is the response of other interior terminal of affiliated service groups to described service request; In described group Traffic Channel be the base station receive described under after the channel assignment request of other terminal in the service groups, according to predetermined rule be described under other terminal in the service groups distribute.
One embodiment of the invention provides a kind of point-to-point transmission system, comprises above-mentioned base station and terminal.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, has improved distribution of services efficient.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of P2P transmission method that Fig. 1 embodiment of the invention provides;
The flow chart of a kind of P2P transmission method that Fig. 2 embodiment of the invention provides;
The flow chart of a kind of P2P transmission method that Fig. 3 embodiment of the invention provides;
The schematic diagram of the application scenarios of a kind of P2P transmission method that Fig. 4 embodiment of the invention provides;
The flow chart of a kind of P2P transmission method that Fig. 5 embodiment of the invention provides;
The transmission course schematic diagram of physical layer in a kind of P2P transmission method that Fig. 6 embodiment of the invention provides;
The merging decode procedure schematic diagram of a kind of physical layer that Fig. 7 embodiment of the invention provides;
The structure chart of a kind of base station that Fig. 8 embodiment of the invention provides;
The structure chart of a kind of terminal that Fig. 9 embodiment of the invention provides;
The structure chart of a kind of P2P transmission system that Figure 10 embodiment of the invention provides;
A kind of P2P transmission method flow chart that Figure 11 embodiment of the invention provides;
The structure chart of a kind of service groups determination module that Figure 12 embodiment of the invention provides;
The structure chart of a kind of group of interior channel assignment module that Figure 13 embodiment of the invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For making those of ordinary skills better understand the technical scheme that the embodiment of the invention provides, the embodiment of the invention is done simple the introduction to some correlation techniques.
Along with the development of wireless traffic, wireless cellular network need transmit the development of bigger data traffic, particularly video traffic, and original network architecture can't support the video transmission of big flow.Main cause is because the base station as Centroid, causes video transmission to produce bottleneck.
Wireless network standards LTE-A (the Long Term Evaluation Advanced of a new generation, senior Long Term Evolution) in, in order to increase the edges cover of sub-district, increased relay (relaying) node, the relay node can be used as the relaying of base station and terminal, has improved the cut-in quality and the channel condition of Cell Edge User.
In the cable network, occurred the service application of a lot of P2P (P2P Peer to Peer, point-to-point) at present, such as download, online film, IP phone etc., these new service application have related to the technology of P2P.Main key concept is, each business has been divided into a plurality of fragments, each node in the network can the storage service source a part of fragment, when network node needs these service sources, at first in network, search for, after searching these service sources, link with these service sources foundation, and begin communication.Like this, each network node can be set up link with a plurality of service sources, has made full use of idle Internet resources, has promoted the service rate and the business experience of terminal, and the service traffics of whole net.P2P business development at present is rapider, service traffics have occupied 80% of whole offered load, after the LTE-A system deployment, when portable terminal has the demand of P2P business, mainly seek resource by base station and back-end network, after finding resource, far-end resource and portable terminal all are to be dealt into user terminal by the base station.
And if all business are limited by the distance distance between base station and the portable terminal all by the Channel Transmission of base station and terminal, the transmitting power that base station and terminal all need to reach certain is transmitted data.Because a plurality of cell spectrum resource-sharings, base station is disturbed very big, and user's high-power emission also can cause power consumption and interference, and distribution of services efficient is not high.
As shown in figure 11, the embodiment of the invention provides a kind of P2P (point-to-point) transmission method, comprising:
S1101, the terminal of definite request identical services;
In one embodiment, the monitoring business data can be passed through in the base station, determine the terminal of request identical services.
In one embodiment, the base station can be monitored the business datum of this sub-district, determines the terminal of request identical services.For example, in one embodiment, terminal 1, terminal 2 and terminal 3 are all to base station requests business 1, and the base station just knows that by the monitoring to this Zone data terminal 1, terminal 2 and terminal 3 all are identical business of request, i.e. business 1 so.
S1102 according to predetermined rule, determines service groups from the terminal of above-mentioned request identical services;
In one embodiment, the base station can be according to location information of terminals, define identical services and the terminal in the predetermined geographic scope belong to same service groups;
In one embodiment, the base station can be according to the channel quality of terminal, and the terminal that surpasses predetermined channel quality thresholds with channel quality value that defines identical services belongs to same service groups;
Be understandable that in other embodiments, can also use other rule to determine service groups from the terminal of request identical services, the embodiment of the invention is not done special qualification.
S1103, the service groups distribution service group ID (that is, service groups identifies, and in following examples of the present invention, service identification and service groups ID are a notion, do not do differentiation) for determining sends service groups ID to all terminals in the service groups of determining;
S1104, the allocation rule according to predetermined from the channel resource that presets, is Traffic Channel in the terminal distribution group of traffic channel assignments in the request group in the above-mentioned service groups, Traffic Channel is used for making the terminal of service groups to use service groups ID to communicate in this group.
Other terminal in certain terminal originating service request in service groups, base station and same service groups all can receive this service request, after other terminal in the same service groups receives this service request, and channel assignment request information in base station transmission group;
The base station receives the interior channel assignment request information of group of the terminal in the service groups, according to predetermined allocation rule, from the channel resource that presets, be Traffic Channel in the terminal distribution group of request channel allocation, Traffic Channel is used for making the terminal of service groups to use service groups ID to communicate in this group.
The base station from the channel resource that presets, is Traffic Channel in other terminal distribution group in the service groups of Traffic Channel in the request group according to predetermined allocation rule.In one embodiment, can be, receive the interior traffic channel assignments request of group that the terminal in the described service groups sends, from the described channel resource that presets, select channel according to the scheduling calculation of presetting and give the terminal of asking as traffic channel assignments in the group; Here, dispatching algorithm can comprise some dispatching algorithms commonly used as, Fair Queue scheduling, weighted round robin or wheel modulation etc., the embodiment of the invention is not done special qualification.In one embodiment, scheduling is to handle at the scheduling of a plurality of channels, a plurality of terminals, allows channel and terminal match.Be the scheduling to channel resource strictly speaking, scheduling result is to have given some terminals with some channel resource allocation.More popular, suppose to have many highways, there are a lot of automobiles will go up at a high speed, the purpose of scheduling is exactly under the few situation of highway and when a lot of automobile is arranged, and how to distribute different highways to give different automobiles.For example: sedan limousine priority allocation highway, truck distributes highway at last.
More specifically, for instance, the dispatching algorithm that presets in one embodiment, can be, when the terminal in the service groups need adopt certain channel or time slot, to base station requests, whether whether idle decision gave the terminal of asking with this channel allocation according to this channel in the base station; Perhaps, the base station is selected the best user of channel quality and is dispatched in the request user, and with the quality ordering of user according to channel quality, allocation of channel resources may is intact up to resource allocation successively.Do not have resource can divide timing, then refusal distributes.Certainly, can also adopt other dispatching algorithm in other embodiments, the embodiment of the invention is not done special qualification.
In another embodiment, can be, a quality threshold be set for each service groups in the base station, if the terminal in the service groups of Traffic Channel detects the channel quality of certain channel greater than this threshold value in the request group, just adopt this channel to communicate, otherwise do not adopt as Traffic Channel in the group.
In other embodiments, the base station can also adopt other predetermined rule that the terminal of Traffic Channel in the request group is organized interior traffic channel assignments, and the embodiment of the invention is not done special qualification.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
As shown in Figure 1, the embodiment of the invention provides a kind of P2P (point-to-point) transmission method, comprising:
S101, the terminal of definite request identical services;
In one embodiment, the monitoring business data can be passed through in the base station, determine the terminal of request identical services.
In one embodiment, the base station can be monitored the business datum of this sub-district, determines the terminal of request identical services.For example, in one embodiment, terminal 1, terminal 2 and terminal 3 are all to base station requests business 1, and the base station just knows that by the monitoring to this Zone data terminal 1, terminal 2 and terminal 3 all are identical business of request, i.e. business 1 so.
S102, service groups is determined according to predetermined rule in the base station from the terminal of above-mentioned request identical services;
In one embodiment, the base station can be according to location information of terminals, define identical services and the terminal in the predetermined geographic scope belong to same service groups;
In one embodiment, the base station can be according to the channel quality of terminal, and the terminal that surpasses predetermined channel quality thresholds with channel quality value that defines identical services belongs to same service groups;
Be understandable that in other embodiments, can also use other rule to determine service groups from the terminal of request identical services, the embodiment of the invention is not done special qualification.
S103, the base station is service groups distribution service group ID (that is, service groups identifies, and in following examples of the present invention, service identification and service groups ID are a notion, do not do differentiation) and the channel of determining, and sends service groups ID to all terminals in the service groups of determining;
In one embodiment, the channel of distribution can comprise Random Access Channel or Traffic Channel, or Random Access Channel and Traffic Channel.
Here the base station is the service groups allocated channel of determining, and belongs to a kind of of the channel resource that presets mentioned in the previous embodiment.In other embodiments, the channel resource that presets can also obtain by alternate manner, for example, sets in advance a channel information tabulation, and the inside has comprised all the channel resource information that can use.
S104, the base station is according to predetermined allocation rule, from the channel that distributes for this service groups, be Traffic Channel in the terminal distribution group of traffic channel assignments in the request group in the above-mentioned business, Traffic Channel is used for making the terminal of service groups to use service groups ID to communicate in this group.
Here, because the base station is that service groups has been distributed channel among the step S103, so at this moment, belongs to the channel resource of mentioning in the previous embodiment that presets and just comprise the channel that distributes among the step S103.
Other terminal in certain terminal originating service request in service groups, base station and same service groups all can receive this service request, after other terminal in the same service groups receives this service request, and channel assignment request information in base station transmission group;
The base station receives the interior channel assignment request information of group of the terminal in the service groups, according to predetermined allocation rule, from the channel that distributes for this service groups, be Traffic Channel in the terminal distribution group of request channel allocation, Traffic Channel is used for making the terminal of service groups to use service groups ID to communicate in this group.
The base station is the interior interior Traffic Channel of other terminal distribution group of service groups of Traffic Channel in the request group according to predetermined allocation rule, in one embodiment, can be, receive the interior traffic channel assignments request of group that the terminal in the described service groups sends, from the described channel resource that presets, select channel according to the scheduling calculation of presetting and give the terminal of asking as traffic channel assignments in the group;
More specifically, that is to say that the dispatching algorithm that presets in one embodiment, can be, when the terminal in the service groups need adopt certain channel or time slot, to base station requests, whether whether idle decision gave the terminal of asking with this channel allocation according to this channel in the base station; Perhaps, the base station is selected the best user of channel quality and is dispatched in the request user, and with the quality ordering of user according to channel quality, allocation of channel resources may is intact up to resource allocation successively.Do not have resource can divide timing, then refusal distributes.Certainly, can also adopt other dispatching algorithm in other embodiments, the embodiment of the invention is not done special qualification.
In another embodiment, can be, a quality threshold be set for each service groups in the base station, if the terminal in the service groups of Traffic Channel detects the channel quality of certain channel greater than this threshold value in the request group, just adopt this channel to communicate, otherwise do not adopt as Traffic Channel in the group.
In other embodiments, the base station can also adopt other predetermined rule that the terminal of Traffic Channel in the request group is organized interior traffic channel assignments, and the embodiment of the invention is not done special qualification.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
As shown in Figure 2, the embodiment of the invention provides a kind of P2P transmission method, comprising:
S201, the service groups ID of the affiliated service groups that the reception base station sends;
Here, when the base station is after each service groups of determining is distributed service groups ID, the terminal in each service groups can receive the service groups ID that the base station sends.
S202, the service groups ID of service groups initiates service request under using;
Other terminal in certain terminal originating service request in service groups, base station and same service groups all can receive this service request
S203, receive other interior terminal of affiliated service groups and pass through the business datum that Traffic Channel sends in the group of base station assigns, the business datum of other terminal transmission that affiliated service groups is interior is the response of other interior terminal of affiliated service groups to the service request among the step S202; In the group Traffic Channel be the base station receive above-mentioned under after the channel assignment request of other terminal in the service groups, according to predetermined rule be above-mentioned under other terminal in the service groups distribute.
Shown in the frame of broken lines among Fig. 2, in another embodiment, before step S201, this method can also comprise:
S200, send business datum program request request, described business datum program request request is used to make the base station to determine the terminal of request identical services data, and makes the base station according to predetermined rule, from the terminal of described request identical services, determine service groups, be the service groups distribution service group id of determining.
In one embodiment, terminal can send business datum program request request, the base station is monitored the business of this sub-district, the terminal that can determine program request identical services data (promptly, the terminal of request identical services), and make the base station according to predetermined rule, from the terminal of request identical services, determine service groups to be the service groups distribution service group id of determining.
Shown in the frame of broken lines among Fig. 2, in another embodiment, this method can also comprise:
S204 receives the business datum that the base station sends, and the business datum that the base station sends is the response of base station to the service request among the step S202;
S205 merges decoding to the business datum that receives among step S203 and the step S204.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
As shown in Figure 3, the embodiment of the invention provides a kind of P2P (point-to-point) transmission method, comprising:
S3001, the base station is monitored the business of this sub-district, determines the terminal of request identical services;
In one embodiment, terminal can send business datum program request request, the base station is monitored the business of this sub-district, the terminal that can determine program request identical services data (promptly, the terminal of request identical services), and make the base station according to predetermined rule, from the terminal of request identical services, determine service groups to be the service groups distribution service group id of determining.
In one embodiment, the base station is monitored the business datum of this sub-district, by business datum content, frame format content etc. is compared, just can find this sub-district a plurality of terminal request have been arranged identical business.
S3002, service groups is determined according to predetermined rule in the base station from the terminal of above-mentioned request identical services;
In one embodiment, the base station can be according to location information of terminals, define identical services and the terminal in the predetermined geographic scope belong to same service groups;
In one embodiment, the base station can be according to the channel quality of terminal, and the terminal that surpasses predetermined channel quality thresholds with channel quality value that defines identical services belongs to same service groups;
Be understandable that in other embodiments, can also use other rule to determine service groups from the terminal of request identical services, the embodiment of the invention is not done special qualification.
S3003, the base station is the service groups distribution service group ID that determines, and service groups ID is sent to all terminals in this service groups;
In one embodiment, the mode that the base station can be by clean culture sends to all terminals in this service groups with the ID of service groups; In one embodiment, the base station can also send to all terminals in this service groups with the ID of service groups by multicast mode; In one embodiment, the mode that the base station can also be by broadcasting sends to all terminals in this service groups with the ID of service groups.Certainly, in other embodiments, the base station can also send to all terminals in this service groups with the ID of service groups in other mode, and the embodiment of the invention is not done special qualification.
S3004, the base station is the terminal distribution channel in the service groups;
In one embodiment, the channel that distributes among the step S3004 can comprise, Random Access Channel, Traffic Channel etc.
S3005, the terminal in the service groups receives the service groups ID that the base station sends, and initiates service request with service groups ID;
In one embodiment, service groups ID can be carried in the message header of business request information, the terminal that receives this business request information like this can obtain this service groups ID from message header, whether to one's name thereby ID is known service groups according to service groups, thereby confirm the service request the receive business of place service groups.
S3006, the service request of initiating among the base station in response S3005 sends business datum to the terminal of initiating service request;
S3007 in the same service groups, receives interior other terminal Traffic Channel in the base station requests assign group of industry group of above-mentioned service request;
S3008 in the channel that the base station predetermined allocation rule of basis is distributed, is Traffic Channel in other terminal distribution group in the service groups of Traffic Channel in the request group from step S3004;
The base station is the interior interior Traffic Channel of other terminal distribution group of service groups of Traffic Channel in the request group according to predetermined allocation rule, in one embodiment, can be, when the terminal in the service groups need adopt certain channel or time slot, to base station requests, whether whether idle decision gives the terminal of asking with this channel allocation according to this channel in the base station;
In another embodiment, can be, a quality threshold be set for each service groups in the base station, if the channel quality that the terminal in the service groups of Traffic Channel detects certain channel in the request group just adopts this channel communication, otherwise do not adopt greater than this threshold value.
Certainly, in step S3008, can also adopt some allocation rule of mentioning in the previous embodiment to come Traffic Channel in the assign group, not repeat them here.
S3009, other terminal of Traffic Channel is by Traffic Channel in the group of base station assigns in the request group, and the terminal originating service in the service groups of initiating service request responds;
S3010, the interior terminal of service groups of initiating service request receives the business datum that the base station sends, and the business datum that the base station sends is the response of base station to service request;
S3011, the business datum that other terminal sends in the same service groups among the terminal receiving step S3009 in the service groups of initiation service request, this business datum are the response of the business datum of other terminal transmission in the same service groups to service request;
S3012, the interior terminal of service groups of initiating service request merges decoding to the business datum that receives among step S3010 and the S3011.
In one embodiment, the business datum that terminal receives in the group of initiating to ask can be from same equipment sources, also can be from different equipment sources.The interior terminal of group of initiating request can merge decoding in physical layer or operation layer with the business from identical or different equipment sources.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
As shown in Figure 4, the embodiment of the invention provides a kind of application scenarios of P2P transmission method, in this application scenarios, is that example describes with 4 terminals (UE1, UE2, UE3 and UE4).Certainly in other embodiments, the number of terminal can be individual for other integer, and the embodiment of the invention is not done special qualification.
In scene shown in Figure 4, UE1, UE2 and the identical business 1 of UE4 request, UE3 requested service 2.
As shown in Figure 5, be example with the application scenarios among Fig. 4, the embodiment of the invention provides a kind of P2P transmission method, comprising:
S310, the base station is monitored the business of all terminal request, determines UE1, UE2 and the UE4 of request identical services (professional 1);
In one embodiment, the base station is monitored the business of all terminal request of this sub-district, for example, (base station is monitored the business of UE1, UE2, UE3 and UE4 request) in the present embodiment, can determine the terminal (that is, terminal UE 1, UE2 and the UE4 of request identical services) of program request identical services data.
S320, UE1 and UE2 are selected as service groups according to predetermined rule in the base station from UE1, UE2 and UE4, the ID of service groups 1 is sent to UE1 and UE2;
In one embodiment, the base station can be according to location information of terminals, define identical services and the terminal in the predetermined geographic scope belong to same service groups; In one embodiment, the base station can be according to the channel quality of terminal, and the terminal that surpasses predetermined channel quality thresholds with channel quality value that defines identical services belongs to same service groups; Be understandable that in other embodiments, can also use other rule to determine service groups from the terminal of request identical services, the embodiment of the invention is not done special qualification.
In the present embodiment, though yet requested service 1 of UE4, because the distance of UE4 and UE1 and UE2 is far away, channel quality each other is not fine.Therefore, in the present embodiment, the base station is with UE1 and the UE2 link terminal as service groups 1.
S330, the base station is that service groups 1 is distributed an ID, this ID is used for identification service group 1;
After selecting link terminal, the base station sends to UE1 and UE2 with the ID of service groups 1.
In one embodiment, the mode that the base station can be by clean culture sends to UE1 and UE2 with the ID of service groups 1; In one embodiment, the base station can also send to UE1 and UE2 with the ID of service groups 1 by multicast mode; In one embodiment, the base station can also send to UE1 and UE2 with the ID of service groups 1 by the mode of broadcasting; Certainly, in other embodiments, the base station can also send to all terminals in this service groups with the ID of service groups in other mode, and the embodiment of the invention is not done special qualification.
S340, the base station is UE1 and UE2 allocated channel;
In one embodiment, the channel that distributes among the step S340 can comprise, Random Access Channel, Traffic Channel etc.
S350, UE1 and UE2 receive the ID of the service groups 1 of base station transmission, and UE2 initiates service request with this ID;
In one embodiment, after the ID initiation service request of UE2 with service groups 1, base station and UE1 can both receive this service request.If UE1 has the business datum of UE2 request, UE1 Traffic Channel in the base station requests group just sends to UE2 with business datum so.Concrete, the step of face as follows.
In one embodiment, also can be that UE1 initiates service request with this ID, corresponding, base station and UE2 can both receive this service request, the embodiment of the invention is not done special qualification.
S360, the service request that UE2 initiates among the base station in response S350 sends business datum to UE2;
After S370, UE1 receive the service request of UE2 initiation, Traffic Channel in the base station requests assign group;
S380 in the channel that the base station predetermined rule of basis is distributed, is Traffic Channel in the UE1 assign group from step S340;
The base station is the interior interior Traffic Channel of other terminal distribution group of service groups of Traffic Channel in the request group according to predetermined allocation rule, in one embodiment, can be, when the terminal in the service groups need adopt certain channel or time slot, to base station requests, whether whether idle decision gives the terminal of asking with this channel allocation according to this channel in the base station;
In another embodiment, can be, a quality threshold be set for each service groups in the base station, if the channel quality that the terminal in the service groups of Traffic Channel detects certain channel in the request group just adopts this channel communication, otherwise do not adopt greater than this threshold value.
Certainly, in step S380, can also adopt some allocation rule of mentioning in the previous embodiment to come Traffic Channel in the assign group, not repeat them here.
S390, UE1 initiates service response by Traffic Channel in the group of base station assigns to UE2;
Here, UE1 sends to UE2 by Traffic Channel in the group of base station assigns with business datum.
S400, UE2 receives the business datum that the base station sends, and the business datum that the base station sends is the response of base station to the service request of UE2 initiation;
S410, UE2 receives the business datum that UE1 sends, and the business datum that UE1 sends is the response of UE1 to the service request of UE2 initiation;
S420, UE2 merges decoding to the business datum that receives among step S400 and the S410.
UE2 is after receiving the service response of UE1, that is, UE2 merges decoding to all data that receive after receiving the business datum that UE1 sends.In one embodiment, the business datum that UE2 receives can also comprise the service request of base station according to UE2, the data of response UE2.Certainly in another embodiment, if also there is other terminal that can communicate with UE2 in the service groups 1, the business datum that receives of UE2 can also comprise the service response from these other terminals so.
In the present embodiment, be to be well understood that certainly for example with service groups 1 (comprising UE1 and UE2), in another embodiment, also have some terminal request professional 2 or professional 3 etc.The base station can also be according to the service request of terminal so, and the rule by predetermined is divided into service groups 2 or service groups 3 etc. with terminal.
As shown in Figure 6, in one embodiment, the transmission course at physical layer in the present embodiment is illustrated:
As shown in Figure 6, for same business (being shown video flowing 1 among Fig. 6), requesting users UE1 receives the direct transmission of base station directly from the base station requests video resource at first; In the present embodiment, video flowing 1 is made up of fast A of video resource and video resource piece B.
After this, UE2 is to the identical video resource of base station requests, and for the constantly later video resource piece B of this request, UE2 and UE1 directly receive the transmission from the base station together; This is because ask constantly later video resource piece B for this, because the base station does not also send the data to UE1, so UE2 and UE1 directly receive the transmission from the base station together.
For the video resource piece A before this request constantly, UE2 can ask UE1 to carry out the P2P transmission, and this is because before request constantly, the base station has sent to UE1 to video resource piece A.At this moment UE2 can ask UE1 to carry out the P2P transmission at this moment, and UE1 has been equivalent to serve as Relay (relaying) node between base station and the UE2.
Certainly be well understood that in another embodiment, if the terminal that more can be used to organize interior relaying is arranged in the service groups 1, the transmission course of its physical layer is similar to the above, repeats no more.
In one embodiment, as shown in Figure 7, corresponding to Fig. 6, at the physical layer transmission process of Fig. 6 in the present embodiment, the merging decode procedure to physical layer is illustrated:
As shown in Figure 7, for video flowing 1, UE1 directly obtains from the base station, and the video resource piece B part of the video flowing 1 that UE2 receives is from the base station, and video resource piece A part is from the P2P transmission of UE1.
In one embodiment, if the fast A partial decoding of h of the video resource mistake of the video flowing 1 that UE2 receives, UE2 can ask the base station to retransmit this partial video resource, then merging from the base station with from the information that UE1 receives, obtain complete video flowing 1, be equivalent to HARQ (Hybrid Automatic RepeatRequest mixes automatic repeat requests) process.
In one embodiment, if the fast B partial decoding of h of the video resource mistake of the video flowing 1 that UE2 receives, UE2 can ask UE1 that this partial video resource is carried out the P2P transmission again, then merging from UE1 and the information that receives from the base station, obtain complete video flowing 1, this also is equivalent to the HARQ process.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
Correspondingly, as shown in Figure 8, the embodiment of the invention is provided at a kind of base station, comprising:
In one embodiment, determination module can be determined the terminal of request identical services by business datum is monitored;
In one embodiment, determination module 510 can be monitored the business datum of sub-district, place, base station, determines the terminal of request identical services.For example, in one embodiment, terminal 1, terminal 2 and terminal 3 are all to base station requests business 1, and the base station just knows that by the monitoring to this Zone data terminal 1, terminal 2 and terminal 3 all are identical business of request, i.e. business 1 so.
Service groups determination module 520 is used for according to predetermined rule, determines service groups from the terminal of above-mentioned request identical services;
Sending module 540 is used to send service groups ID all terminals to the service groups of determining;
Other terminal in certain terminal originating service request in service groups, base station and same service groups all can receive this service request, after other terminal in the same service groups receives this service request, and channel assignment request information in base station transmission group;
The base station receives the interior channel assignment request information of group of the terminal in the service groups, channel assignment module 550 is according to predetermined allocation rule in the group, from the channel resource that presets, be Traffic Channel in the terminal distribution group of request channel allocation, Traffic Channel is used for making the terminal of service groups to use service groups ID to communicate in this group.
Concrete mode according to predetermined allocation rule allocated channel is described in detail in preceding method embodiment, does not repeat them here.
Shown in the frame of broken lines among Fig. 8, in another embodiment, this base station can also comprise:
Respond module 560 is used for responding the service request that the terminal of described service groups is initiated, and sends business datum to the terminal of initiating described service request.
As shown in figure 12, in one embodiment, service groups determination module 520 can comprise:
Service groups first determining unit 521 is used for according to location information of terminals, define identical services and the terminal in the predetermined geographic scope belong to same service groups; Perhaps,
Service groups second determining unit 522 is used for the channel quality according to terminal, and the terminal that surpasses predetermined channel quality thresholds with channel quality value that defines identical services belongs to same service groups.
As shown in figure 13, in one embodiment, channel assignment module 550 can comprise in the group:
Channel first allocation units 551 in the group receive the interior traffic channel assignments request of group that the terminal in the described service groups sends, and select channel according to the scheduling calculation of presetting from the described channel resource that presets and give the terminal of asking as traffic channel assignments in the group; Perhaps,
Channel second allocation units 552 in the group, for each service groups is set a quality threshold, if the channel quality that the terminal of traffic channel assignments detects a channel in the request group greater than described quality threshold, just adopts a described channel to communicate as Traffic Channel in the group, otherwise does not adopt.
Concrete dispatching algorithm is described in detail in preceding method embodiment
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
Correspondingly, as shown in Figure 9, the embodiment of the invention is provided at a kind of terminal, comprising:
Sign receiver module 610 is used to receive the group ID of service groups under this terminal that the base station sends;
Here, when the base station be that the sign of the terminal in each service groups is received module 610 can receive the group ID that the base station sends after each service groups of determining was distributed group ID.
Initiate service request when request initiation module 620, other terminal in base station and the same service groups all can receive this service request.
Business datum receiver module 630 in the group, be used to receive the business datum that other interior terminal of affiliated service groups is passed through Traffic Channel transmission in the group of base station assigns, the business datum of other terminal transmission that affiliated service groups is interior is the response of other interior terminal of affiliated service groups to the service request of request initiation module 620 initiations; In the group Traffic Channel be the base station receive above-mentioned under after the channel assignment request of other terminal in the service groups, according to predetermined rule be above-mentioned under other terminal in the service groups distribute.
In another embodiment, shown in the frame of broken lines among Fig. 9, this terminal can also comprise:
Program request sending module 600, be used to send business datum program request request, business datum program request request is used to make the base station to determine the terminal of request identical services data, and make the base station according to predetermined rule, from the terminal of request identical services, determine service groups, be the service groups distribution service group id of determining.
In another embodiment, shown in the frame of broken lines among Fig. 9, this terminal can also comprise:
BTS service data reception module 640 is used to receive the business datum that the base station sends, and the business datum that the base station sends is the response of base station to the service request of request initiation module 620 initiations;
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
As shown in figure 10, the embodiment of the invention provides a kind of P2P transmission system, comprises base station 10 and a plurality of terminal.For convenience of description, suppose that the terminal shown in the figure is three (terminal 20, terminal 30 and terminals 40), these three terminals are formed a service groups.Certainly, this is the hypothesis of only making for convenience of description, does not limit to therewith in other embodiments.
The 26S Proteasome Structure and Function of base station 10 and terminal 20 is described in detail in the aforementioned embodiment, does not repeat them here.
The embodiment of the invention is by above technical scheme, form service groups by in the terminal of request identical services, selecting some terminals, utilize terminal to do relay transmission, communicate by letter between the terminal, terminal can adopt the small-power emission, will reduce whole net like this and disturb, save power consumption of terminal, reduce the resource consumption of system; And because service source can be a terminal, directly networking between the terminal, some business can not passed through the base station, can improve distribution of services efficient.And, by the technical scheme in the embodiment of the invention, not be used in the too many base station of certain intra-zone administration, reduced cost.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the present invention and do not break away from the spirit and scope of the present invention according to application documents are disclosed.
Claims (17)
1. a point-to-point transmission method is characterized in that, comprising:
Determine the terminal of request identical services;
According to predetermined rule, from the terminal of described request identical services, determine service groups;
Be the service groups distribution service group id of determining, send described service groups and identify to all terminals in the described service groups;
According to predetermined distribution principle, be Traffic Channel in the terminal distribution group of traffic channel assignments in the request group in the described service groups from the channel resource that presets, described group of interior Traffic Channel is used for making the terminal of described service groups to use described service groups sign to communicate.
2. point-to-point transmission method as claimed in claim 1 is characterized in that, the rule that described basis is predetermined is determined business from the terminal of described request identical services, comprising:
According to location information of terminals, define identical services and the terminal in the predetermined geographic scope belong to same service groups; Perhaps,
According to the channel quality of terminal, the terminal that surpasses predetermined channel quality thresholds with channel quality value that defines identical services belongs to same service groups.
3. point-to-point transmission method as claimed in claim 1 is characterized in that, the distribution principle that described basis is predetermined is Traffic Channel in the terminal distribution group of traffic channel assignments in the request group from the channel that presets, comprising:
Receive the interior traffic channel assignments request of group that the terminal in the described service groups sends, from the described channel resource that presets, select channel according to the scheduling calculation of presetting and give the terminal of asking as traffic channel assignments in the group; Perhaps,
For each service groups is set a quality threshold,, otherwise do not adopt if the channel quality that the terminal of traffic channel assignments detects a channel in the request group greater than described quality threshold, just adopts a described channel to communicate as Traffic Channel in the group.
4. point-to-point transmission method as claimed in claim 1 is characterized in that, the described channel resource that presets comprises: be the channel of described service groups distribution.
5. point-to-point transmission method as claimed in claim 2 is characterized in that, the described channel that distributes for described service groups comprises: Random Access Channel and/or Traffic Channel.
6. point-to-point transmission method as claimed in claim 1 is characterized in that, described method also comprises:
Respond the service request that the terminal in the described service groups is initiated, send business datum to the terminal of initiating described service request.
7. a point-to-point transmission method is characterized in that, comprising:
Receive the service groups sign of the affiliated service groups of base station transmission;
Use the service groups sign of described affiliated service groups to initiate service request;
Receive the business datum that other terminal in the described affiliated service groups sends by the interior Traffic Channel of the group of base station assigns, the business datum that other terminal in the described affiliated service groups sends is the response of other interior terminal of affiliated service groups to described service request; In described group Traffic Channel be the base station receive described under after the channel assignment request of other terminal in the service groups, according to predetermined rule be described under other terminal in the service groups distribute.
8. point-to-point transmission method as claimed in claim 7 is characterized in that, before the service groups sign of the affiliated service groups that described reception base station sends, also comprises:
Send business datum program request request, described business datum program request request is used to make the base station to determine the terminal of request identical services data, and make the base station according to predetermined rule, from the terminal of described request identical services, determine service groups to be the service groups distribution service group id of determining.
9. point-to-point transmission method as claimed in claim 7 is characterized in that, described method also comprises:
Receive the business datum that the base station sends, the business datum that described base station sends is the response of described base station to described service request.
10. point-to-point transmission method as claimed in claim 9 is characterized in that, described method also comprises:
Business datum and other terminal in the affiliated service groups that the base station that receives is sent merge decoding by the business datum that Traffic Channel in the group of base station assigns sends.
11. a base station is characterized in that, comprising:
Determination module is used for definite terminal of asking identical services;
The service groups determination module according to predetermined rule, is determined service groups from the terminal of described request identical services;
Distribution module is used to the service groups distribution service group id of determining;
Sending module is used for sending described service groups and identifies all terminals to described service groups;
Channel assignment module in the group, according to predetermined distribution principle, be Traffic Channel in the terminal distribution group of traffic channel assignments in the request group in the described service groups from the channel resource that presets, described group of interior Traffic Channel is used for making the terminal of described service groups to use described service groups sign to communicate.
12. base station as claimed in claim 11 is characterized in that, described base station also comprises:
Respond module is used for responding the service request that the terminal of described service groups is initiated, and sends business datum to the terminal of initiating described service request.
13. a terminal is characterized in that, comprising:
The sign receiver module is used to receive the service groups sign of service groups under the described terminal that the base station sends;
Request sending module is used to use the service groups sign of described affiliated service groups to initiate service request;
Business datum receiver module in the group, be used to receive the business datum that other terminal in the described affiliated service groups sends by the interior Traffic Channel of the group of base station assigns, the business datum that other terminal in the described affiliated service groups sends is the response of other interior terminal of affiliated service groups to described service request; In described group Traffic Channel be the base station receive described under after the channel assignment request of other terminal in the service groups, according to predetermined rule be described under other terminal in the service groups distribute.
14. terminal as claimed in claim 13 is characterized in that, described terminal also comprises:
The program request sending module, be used to send business datum program request request, described business datum program request request is used to make the base station to determine the terminal of request identical services data, and make the base station according to predetermined rule, from the terminal of described request identical services, determine service groups, be the service groups distribution service group id of determining.
15. terminal as claimed in claim 13 is characterized in that, described terminal also comprises:
The BTS service data reception module is used to receive the business datum that the base station sends, and the business datum that described base station sends is the response of described base station to described service request.
16. terminal as claimed in claim 15 is characterized in that, described terminal also comprises:
Merge decoder module, business datum and other terminal in the affiliated service groups of being used for the base station that receives is sent merge decoding by the business datum that Traffic Channel in the group of base station assigns sends.
17. a point-to-point transmission system is characterized in that, comprises as the described base station of each claim of claim 11-12 with as the described terminal of each claim of claim 13-16.
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| CN2009102388538A CN102118403A (en) | 2009-12-30 | 2009-12-30 | Point-to-point transmission method, base station, terminal and point-to-point transmission system |
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| CN2009102388538A CN102118403A (en) | 2009-12-30 | 2009-12-30 | Point-to-point transmission method, base station, terminal and point-to-point transmission system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658428A (en) * | 2015-10-30 | 2017-05-10 | 北京信威通信技术股份有限公司 | Cluster group operating method of terminal, terminal and core network |
| CN107179729A (en) * | 2017-05-11 | 2017-09-19 | 努比亚技术有限公司 | A kind of monitoring of equipment method, mobile terminal and computer-readable recording medium |
| WO2017185907A1 (en) * | 2016-04-27 | 2017-11-02 | 华为技术有限公司 | Method and apparatus for sharing physical resources |
-
2009
- 2009-12-30 CN CN2009102388538A patent/CN102118403A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658428A (en) * | 2015-10-30 | 2017-05-10 | 北京信威通信技术股份有限公司 | Cluster group operating method of terminal, terminal and core network |
| CN106658428B (en) * | 2015-10-30 | 2019-12-17 | 北京信威通信技术股份有限公司 | method for terminal to operate cluster group, terminal and core network |
| WO2017185907A1 (en) * | 2016-04-27 | 2017-11-02 | 华为技术有限公司 | Method and apparatus for sharing physical resources |
| CN107179729A (en) * | 2017-05-11 | 2017-09-19 | 努比亚技术有限公司 | A kind of monitoring of equipment method, mobile terminal and computer-readable recording medium |
| CN107179729B (en) * | 2017-05-11 | 2019-08-20 | 努比亚技术有限公司 | A kind of equipment monitoring method, mobile terminal and computer readable storage medium |
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Application publication date: 20110706 |