CN101848056B - Method and device for transmitting packets - Google Patents
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- CN101848056B CN101848056B CN 200910128475 CN200910128475A CN101848056B CN 101848056 B CN101848056 B CN 101848056B CN 200910128475 CN200910128475 CN 200910128475 CN 200910128475 A CN200910128475 A CN 200910128475A CN 101848056 B CN101848056 B CN 101848056B
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Abstract
The embodiment of the invention discloses a method and a device for transmitting packets, and relates to the communication field, aiming at solving the problem of transmission resource waste caused by oversize data amount of non-effective information in the packet in the prior art. The method comprises the following steps: receiving user data, transmitting a first packet carrying a user local identification according to the mapping relation of the user identification in an evolution station coverage area and the user local identification in a local coverage area, wherein, the first packet comprises the user data; or receiving a second pocket transmitted by the evolution station and carrying the user local identification, wherein the second pocket is transmitted according to the mapping relation of the user identification in the evolution station coverage area and the user local identification in the local coverage area; and transmitting the data in the second pocket to a correspondinguser according to the user local identification in the second pocket, wherein, the length of the user local identification is smaller than that of the user identification. The technical scheme can beused for transmitting packets.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of transmission method and device of packet.
Background technology
In mobile communication system, evolution base station will mail to user's data and be encapsulated in the packet, and the interpolation addressing identifies in the tag slot of packet, which user is the data that are used to indicate in the regeneration node data bag belong to, and the packet that adds after the sign sent to via node by the tunnel, via node sends to corresponding user according to the sign of the addressing in the packet with the data in the described packet.For example, the addressing sign that evolution base station adds in the tag slot of packet is C-RNTI (Cell Radio Network TemporaryIdentity, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI), then via node is after receiving the packet that carries the C-RNTI sign, C-RNTI sign according to the tag slot sends to corresponding user with the data in the packet.
State in the process in realization, the inventor finds that there are the following problems at least in the prior art: during transmission packet between evolution base station and via node,-need consume the non-valid data in the more interface-free resources transmission packet, for example the addressing of tag slot identifies, waste more transfer resource, reduced the efficient of transmission.
Summary of the invention
Embodiments of the invention provide a kind of transmission method, Apparatus and system of packet, can reduce the data volume of tag slot in the packet.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of transmission method of packet comprises:
Receive user's data, according to the user ID of described user in the evolution base station coverage and the mapping relations of the sign of the subscriber's local in the local coverage, first packet of subscriber's local sign is carried in transmission, and wherein said first packet comprises described user's data; Or,
Receive second packet that carries the subscriber's local sign that evolution base station sends, wherein said second packet be according to described user in the evolution base station coverage user ID and the mapping relations of the subscriber's local in local coverage sign send, according to the sign of the subscriber's local in described second packet, the data in described second packet are sent to corresponding user;
The length of wherein said subscriber's local sign is less than the length of described user ID.
A kind of transmitting device of packet comprises:
The uplink module, be used for receiving user's data, according to the user ID of described user in the evolution base station coverage and the mapping relations of the sign of the subscriber's local in the local coverage, first packet of subscriber's local sign is carried in transmission, and wherein said first packet comprises described user's data; Or,
The downlink transfer module, be used for receiving second packet that carries the subscriber's local sign that evolution base station sends, wherein said second packet be according to described user in the evolution base station coverage user ID and the mapping relations of the subscriber's local in local coverage sign send, according to the sign of the subscriber's local in described second packet, the data in described second packet are sent to corresponding user;
The length of wherein said subscriber's local sign is less than the length of described user ID.
The transmission method of the packet that the embodiment of the invention provides and device, add length in the tag slot of packet less than the subscriber's local sign of user ID, be used between evolution base station and via node, identifying the user, reduce the data volume of non-valid data in the packet, thereby reach the purpose of saving transfer resource, improve the efficiency of transmission of packet.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use among the embodiment 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.
Fig. 1 is the application scenarios of transmission packet in the embodiment of the invention;
The flow chart of the transmission method of the packet that Fig. 2 provides for the embodiment of the invention one;
The flow chart of the transmission method of the packet that Fig. 3 provides for the embodiment of the invention two;
The structural representation of the transmitting device of the packet that Fig. 4 provides for the embodiment of the invention;
Another structural representation of the transmitting device of the packet that Fig. 5 provides for the embodiment of the invention.
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 obtains under the creative work prerequisite.
For making those skilled in the art be expressly understood the technical scheme that the embodiment of the invention provides more, the transmission packet method that the embodiment of the invention is provided describes in detail below:
As shown in Figure 1, at least one RN under the evolution base station coverage (Relay Node, via node) wherein has at least one user in each RN coverage.Send data instance with evolution base station to the user, evolution base station obtains and mails to user's data, and described data can be business datum or control command, and configuration receives the user of described data and determines that the addressing of described user's correspondence identifies.According to the addressing sign of determining, determine that the user is positioned at the coverage of which via node.To be positioned at the payload section that identical via node user's data is encapsulated into packet, and add the addressing sign of data correspondence in the described payload section in the tag slot of described packet.After via node received packet, the user according to addressing sign indication in the described packet sent to corresponding user with the data in the described packet.For example, adding length in the tag slot in the prior art is the C-RNTI of 16 bits, and described C-RNTI sign is the user ID for identification user in the evolution base station coverage.
The application scenarios that provides below in conjunction with the embodiment of the invention, the transmission method of the packet that the embodiment of the invention is provided describes in detail:
Carry out data packet transmission between user and the evolution base station and comprise two kinds of transmission directions: uplink, namely user's data that will mail to evolution base station send to via node, and via node is transmitted to evolution base station with the data that receive with the form of packet; Downlink transfer, namely evolution base station will mail to user's data and send to via node with the form of packet, and via node receives packet and the data in the described packet is transmitted to corresponding user.
Embodiment one
It is that example describes that the embodiment of the invention is carried out uplink with packet, detailed process as shown in Figure 2:
S201, via node receive user's data;
In embodiments of the present invention, via node is a unique channel that is used for the transmission data for the user distributes, and record uses the user ID of user's correspondence of described channel transmission data.Via node according to the channel that uses in the described data transmission procedure, determines that described data from which user, obtain this user's user ID when receiving data.
Wherein, at the channel by the transmission data, determine that the user ID of described data correspondence also comprises before:
Every user ID that is used for the channel correspondence of transmission data in the record via node coverage.
In embodiments of the present invention, at least one via node is arranged in the evolution base station coverage, wherein in each via node coverage at least one user is arranged.During via node in the user joins the evolution base station coverage, the user will obtain a user ID that is used for identification user in the evolution base station coverage, be that each interior via node of evolution base station coverage all can be by described user ID identification user, wherein said user ID can be after evolution base station detects the user and adds via node, the message of carrying user ID by transmission is distributed for the user, and allocation result is notified to the via node at user place; Also can be after evolution base station detects the user and adds via node, untapped user ID is sent to the via node at user place, be user's distributing user sign by via node, and after via node has assigned, obtain described user's user ID to via node.The length of wherein said user ID is to be determined by the total number of users in the evolution base station coverage.After evolution base station and via node were determined user's user ID, via node distributed a channel that is used for the transmission data for the user, and record uses the user ID of user's correspondence of described channel transmission data.
S202, according to the user ID of described user in the evolution base station coverage and the mapping relations of the subscriber's local in local coverage sign, send the packet that carries the subscriber's local sign, wherein said packet comprises described user's data.
Wherein said subscriber's local sign is used for identifying the user in the via node coverage, and length is less than the length of user ID.
Concrete, according to described user's user ID, from the mapping relations that preserve this locality, search the mapping relations of described user ID and subscriber's local sign, thereby the subscriber's local of specified data correspondence sign identifies the subscriber's local sign of determining as the addressing of identifying the user on the repeated link.In embodiments of the present invention, the transmission link between via node and the evolution base station is called repeated link.According to user's subscriber's local sign, the via node at evolution base station and user place can be identified the user, and can't be according to the described user of subscriber's local sign identification for other via nodes in the evolution base station coverage.
After determining the subscriber's local sign of described data correspondence, according to the available situation of interface-free resources, determine the bearing capacity of eating dishes without rice or wine.According to the bearing capacity of determining, from the data that receive, choose at least one user's data as data to be sent.The data encapsulation of same subscriber in the data to be sent is become data block, and with the data block payload section of adding packet to after the encapsulation, and according to the order of adding data block, in the tag slot of described packet, add the subscriber's local sign of described data block correspondence.
Further, for at utmost using interface-free resources, improve the efficiency of transmission of data, when data volume and the bearing capacity of described data to be sent differs more for a long time, when namely remaining bearing capacity greater than residue bearing capacity threshold value, can be from choose the remaining reception data in back, choose a user data that data volume is bigger, and from the excessive data of described data volume, be partitioned into a data volume less than the partial data of residue bearing capacity, and add data to be sent from described data volume to less than the partial data of residue bearing capacity, dress up packet and send adding data envelope to be sent after the data.
For example, be that example describes with via node RN5, data and data volume that via node RN5 receives data that data volume is the UE2 of A, UE3 that data volume is B are the data of the UE4 of C, the subscriber's local of described data correspondence sign is respectively Local ID2, Local ID3 and Local ID4, according to the available situation of interface-free resources, determine that the bearing capacity of eating dishes without rice or wine is N.According to the bearing capacity of determining, from the data that receive, the data of choosing UE2 and UE3 are data to be sent, A+B＜N wherein, above-mentioned two user's data are packaged into UE2 data block and UE3 data block respectively, the payload section of adding packet successively to, and according to the order of adding data block, in the tag slot of packet, add subscriber's local sign Local ID2 and Local ID3 successively.The packet that adds after subscriber's local identifies is sent to evolution base station.
Further, if the data volume of described data to be sent and bearing capacity differ more for a long time, i.e. N-(A+B)＞a, wherein N is the bearing capacity of eating dishes without rice or wine, and A+B is the data volume of data to be sent, and N-(A+B) is the residue bearing capacity, and a is residue bearing capacity threshold value.The data that then with data volume are the UE4 of C are divided into a data volume less than the partial data of N-(A+B), add described data volume to data to be sent less than the partial data of N-(A+B), dress up packet and send adding data envelope to be sent after the data.
Need to prove, subscriber's local in the embodiment of the invention identifies in the repeated link that is applied between evolution base station and the via node, and on via node and user's transmission link, the addressing that is used for the identification user is designated user ID, guarantee that via node can be according to method of the prior art, user in the local coverage is managed, for example to user's scheduling and user's safety certification etc., make that different via nodes all can be according to user's user ID, finish the user is identified and manages, thereby reach the compatibility of user in different via node coverages.
The transmission method of the packet that the embodiment of the invention provides, add length in the tag slot of packet less than the subscriber's local sign of user ID, be used for identifying the user at repeated link, reduce the data volume of non-valid data in the packet, thereby reach the purpose of saving transfer resource, improve the efficiency of transmission of packet.Because user's subscriber's local sign is applied on the repeated link, do not influence via node and in local coverage, identify the user, guaranteed user's compatibility.
Embodiment two
It is that example describes that the embodiment of the invention is carried out downlink transfer with packet, detailed process as shown in Figure 3:
S301, via node receive the packet that carries the subscriber's local sign that evolution base station sends;
Wherein said packet be according to described user in the evolution base station coverage user ID and the mapping relations of the subscriber's local in local coverage sign send;
In embodiments of the present invention, method of reseptance all is applicable to this step in the prior art, repeats no more herein.Wherein evolution base station sends the packet that carries the subscriber's local sign, and detailed process is as follows:
Evolution base station obtains and mails to user's data, and determines described user's user ID.According to described user ID, from the mapping relations that preserve this locality, determine the subscriber's local sign of described user ID correspondence, described definite subscriber's local sign is identified as addressing, send described user's data, its specific implementation method is identical with S202 in above-described embodiment, repeats no more herein.
S302, via node send to corresponding user according to the sign of the subscriber's local in the described packet with the data in the described packet.
In embodiments of the present invention, the tag slot from described packet obtains at least one subscriber's local sign.According to subscriber's local sign in the described tag slot, the mapping relations of preserving from this locality are searched the corresponding user ID of described subscriber's local sign, determine the user ID of data block correspondence in the payload section of described packet.According to the user ID of determining, determine the channel of the described data block of transmission.By the channel that will determine described transmission of data blocks is arrived corresponding user.
For example, be example with via node RN5, in the packet of reception in the tag slot subscriber's local sign be Local ID2, Local ID3 and Local ID4 successively.From the mapping relations that preserve this locality, determine that corresponding user ID is followed successively by the user ID of UE2, the user ID of UE3 and the user ID of UE4.According to described user ID, determine data block in the described packet and the corresponding relation of above-mentioned three user ID.According to described user ID, determine the channel of transmission UE2 data block, UE3 data block and UE4 data block.
Described three data blocks are transferred to corresponding user by the channel of determining.
Need to prove, via node in local coverage to the user identify with the method for managing with implement in one identically, repeat no more herein.
The transmission method of the packet that the embodiment of the invention provides, add length in the tag slot of packet less than the subscriber's local sign of user ID, be used for identifying the user at repeated link, reduce the data volume of non-valid data in the packet, thereby reach the purpose of saving transfer resource, improve the efficiency of transmission of packet.Because user's subscriber's local sign is applied on the repeated link, do not influence via node and in local coverage, identify the user, guaranteed user's compatibility.
Embodiment three
When the device start of mobile communication system, need to set up user's user ID and the mapping relations of subscriber's local sign at via node and evolution base station.Wherein said mapping relations can be passed through via node or evolution base station setting.
A kind of be via node arrange the user mapping relations and will arrange after the result send to evolution base station, detailed process is as follows:
Via node obtains the coverage of local signal, and total number of users in the statistics coverage, obtains the maximum of total number of users in a period of time.If it is 6 bits that the total number of users maximum, then arranges the length of subscriber's local sign less than 64; If it is 7 bits that the total number of users maximum, then arranges the length of subscriber's local sign more than or equal to 64 and less than 128; If it is 8 that the total number of users maximum, then arranges the length of subscriber's local sign more than or equal to 128 and less than 256; And the like.Because the coverage of via node is much smaller than the coverage of residential quarter, the sum of the user in the via node coverage will be much smaller than the sum of user in the cell coverage area, so the length of subscriber's local sign is less than the length of user ID.According to the length of determining, be the local sign of each user's distributing user, and the mapping relations of the subscriber's local sign after the user ID of recording user and the distribution.Described mapping relations are sent to evolution base station.
Optionally, after sending mapping relations, via node receives determines the whether correct request of the described mapping relations that received, described affirmation request comprises the mapping relations that received, judge whether the mapping relations that received in the described affirmation request are consistent with the mapping relations of transmission, if consistent, then notify evolution base station to confirm that the result is for correct; Otherwise the notice evolution base station is confirmed erroneous results, and the mapping relations of mistake are replaced to correct mapping relations sends to evolution base station.
To be via node obtain user's mapping relations from evolution base station to another kind, and detailed process is as follows:
The mapping relations that via node obtains the user have various ways, for example, receive the mapping relations after evolution base station arranges, also can send request to evolution base station, require evolution base station to send user's mapping request, the mapping relations that wherein said evolution base station sends are the mapping relations of user in the local coverage.
Wherein that user's the detailed process of mapping relations is set is as follows for evolution base station:
Evolution base station is according to total number of users in the coverage of each via node and the coverage, determine the length of subscriber's local sign in each via node, wherein the method to set up of subscriber's local sign length is identical with above-mentioned via node method to set up, repeats no more herein.Be the local sign of the user's distributing user in each via node coverage, and the subscriber's local after will distributing identify and user ID sends to corresponding via node.
Optionally, after the mapping relations that receive the evolution base station transmission, whether via node sends confirms request, correct for the mapping relations that received to the evolution base station affirmation.If the mapping relations that indication has received among the affirmation result that evolution base station sends are correct, then preserve the described mapping relations that received; If the mapping relations mistake that the acknowledge message indication has received comprises correct mapping relations in the wherein said acknowledge message.Then correct mapping relations among the connection confirming result are revised the mapping relations that received, and are preserved amended mapping relations.
After setting up mapping relations, via node has been preserved the mapping relations of each user in the coverage, simultaneously evolution base station has been preserved the mapping relations of each via node record in the coverage, thereby reaches the mapping relations that via node and evolution base station are all preserved all users in the coverage.Wherein the via node mapping relations of using above-mentioned foundation send the process of packet to evolution base station can be referring to the step among the embodiment one, the process that sends packet to the user can be referring to the step among the embodiment two.
The transmission method of the packet that the embodiment of the invention provides, add length in the tag slot of packet less than the subscriber's local sign of user ID, be used for identifying the user at repeated link, reduce the data volume of non-valid data in the packet, thereby reach the purpose of saving transfer resource, improve the efficiency of transmission of packet.Because user's subscriber's local sign is applied on the repeated link, do not influence via node and in local coverage, identify the user, guaranteed user's compatibility.
Embodiment four
After setting up mapping relations, also need the mapping relations of having preserved are upgraded, its renewal process is specific as follows:
If mapping relations are via node settings, then via node detects in the local coverage has the user to add via node, wherein the user joins via node and can add by dual mode, a kind of user of being switches to via node in the home cell from the evolution base station in the home cell, and another kind is that the evolution base station in the neighbor cell switches to the via node in the home cell.Via node is chosen a subscriber's local sign from the untapped subscriber's local sign in this locality, the subscriber's local sign of choosing is distributed to initiate user, record the described user ID of access customer and the mapping relations of subscriber's local sign of newly adding, the mapping relations that newly add access customer are notified to evolution base station, make evolution base station add the described mapping relations that newly add access customer.When the user leaves via node in the local coverage, then obtain the described user ID of having left the user, according to described user ID, determine the described mapping relations of having left the user, delete described definite mapping relations, and the described mapping relations of having left the user of notice evolution base station deletion.Optionally, for rationally using the subscriber's local sign, after this locality deletion mapping relations, described subscriber's local sign of having deleted in the mapping relations is released, become untapped subscriber's local sign, the sign of the subscriber's local after the described release can be continued to distribute to other initiate users.
Wherein, the mode that via node notice evolution base station upgrades mapping relations can have various ways, for example, in the reserved field or extended field from existing message, choose a untapped field, the lastest imformation of adding described mapping relations in the field of not using choosing comprises mapping relations to be updated and processing mode.Wherein, described existing message comprises any message that via node sends to evolution base station, for example, and when notice evolution base station deletion mapping relations, add described mapping relations to be updated in the described field of not using, and interpolation is used to indicate the sign that evolution base station adds processing; Perhaps, newly-increased one is used for the message that the notice evolution base station upgrades mapping relations, when relaying node notice evolution base station deletion mapping relations, add described mapping relations to be added in described newly-increased message, and add the information that evolution base station adds processing that is used to indicate.By said method notice evolution base station deletion mapping relations, similar to aforesaid way, repeat no more herein.
Optionally, after the update request that sends mapping relations, whether via node receives the confirmation in the update request of described reception mapping relations correct, wherein said affirmation request comprises mapping relations to be updated and process information, judge whether the mapping relations in the described affirmation request are consistent with mapping relations and process information in the update request with process information, if consistent, then notify evolution base station to confirm that the result is for correct; Otherwise the notice evolution base station is confirmed erroneous results, and the lastest imformation of mistake is replaced to correct lastest imformation sends to evolution base station.
If mapping relations are evolution base station settings, then when the relaying node receives the update request of mapping relations, from described update request, obtain mapping relations, and according to the process information in the described update request, described mapping relations are operated.If described process information is to add operation, then in the mapping relations that preserve this locality, add the mapping relations in the described update request; If described process information is deletion action, then in the mapping relations that preserve this locality, search described mapping relations, determine mapping relations to be deleted, and delete described definite mapping relations.
Wherein to send the process of update request of described mapping relations as follows for evolution base station:
When in evolution base station detects the via node coverage, having the user to add, from the untapped subscriber's local sign that evolution base station is preserved, choose a subscriber's local sign, the subscriber's local sign of choosing is distributed to initiate user, record the described user ID of access customer and the mapping relations of subscriber's local sign of newly adding, the mapping relations that newly add access customer are notified to via node, make via node add the described mapping relations that newly add access customer.The user leaves in detecting the via node coverage, then obtain the described user ID of having left the user, according to described user ID, determine the described mapping relations of having left the user, delete described definite mapping relations, and the described mapping relations of having left the user of notice via node deletion.Optionally, for rationally using the subscriber's local sign, after this locality deletion mapping relations, described subscriber's local sign of having deleted in the mapping relations is released, become untapped subscriber's local sign, the sign of the subscriber's local after the described release can be continued to distribute to other initiate users.
Optionally, when receiving the update request of mapping relations, confirm to evolution base station whether mapping relations and process information in the described update request be correct.If the information among the affirmation result that evolution base station sends in the described update request of indication is correct, the then processing that described mapping relations are added or deleted; If when confirming that the result indicates described mapping relations mistake, wherein said affirmation result also comprises correct mapping relations, then the processing that correct mapping relations among the described affirmation result are added or deleted.
Wherein, via node sends to evolution base station confirms that request mode can have various ways, for example, in the reserved field or extended field from existing message, choose a untapped field, the lastest imformation of adding described mapping relations in the field of not using choosing comprises mapping relations to be updated and processing mode.Wherein, described existing message comprises any message that via node sends to evolution base station, for example, and when notice evolution base station deletion mapping relations, add described mapping relations to be updated in the described field of not using, and interpolation is used to indicate the sign that evolution base station adds processing; Perhaps, a newly-increased message that is used for confirming to evolution base station update request is when receiving the update request of mapping relations, in the information of described newly-increased message interpolation mapping relations and processing.Confirm to evolution base station whether the update request that receives is correct by said method.
After upgrading mapping relations, via node has been preserved the mapping relations of each user in the coverage, evolution base station has been preserved the mapping relations of each via node record in the coverage simultaneously, thereby via node and evolution base station are all preserved the mapping relations of all users in the coverage.Wherein the via node mapping relations of using above-mentioned foundation send the process of packet to evolution base station can be referring to the step among the embodiment one, the process that sends packet to the user can be referring to the step among the embodiment two.
The transmission method of the packet that the embodiment of the invention provides, add length in the tag slot of packet less than the subscriber's local sign of user ID, be used for identifying the user at repeated link, reduce the data volume of non-valid data in the packet, thereby reach the purpose of saving transfer resource, improve the efficiency of transmission of packet.Because user's subscriber's local sign is applied on the repeated link, do not influence via node and in local coverage, identify the user, guaranteed user's compatibility.
The transmitting device of the packet that the embodiment of the invention provides comprises:
The uplink module, be used for receiving user's data, according to the user ID of described user in the evolution base station coverage and the mapping relations of the sign of the subscriber's local in the local coverage, the upstream data bag of subscriber's local sign is carried in transmission, and wherein said upstream data bag comprises described user's data;
Perhaps described transmitting device comprises:
The downlink transfer module, receive the downlink data packet of carrying the subscriber's local sign that evolution base station sends, wherein said downlink data packet be according to described user in the evolution base station coverage user ID and the mapping relations of the subscriber's local in local coverage sign send, according to the sign of the subscriber's local in the described downlink data packet, the data in the described downlink data packet are sent to corresponding user;
The length of wherein said subscriber's local sign is less than the length of described user ID.
Further, as shown in Figure 4, the transmitting device of described packet also comprises:
Mapping relations are set up module 4011, for the length of determining the subscriber's local sign, according to the length of the subscriber's local sign of determining, the mapping relations of the interior user ID of described evolution base station coverage and the sign of the subscriber's local in the local coverage are set;
Perhaps, as shown in Figure 5, described transmitting device also comprises:
Mapping relations acquisition module 4012 is for the mapping relations of the user ID in the evolution base station coverage of obtaining the evolution base station setting and the sign of the subscriber's local in the local coverage.
Further alternative, the transmitting device of described packet can further include:
Mapping relations update module 402, when being used for described mapping relations and being described mapping relations and setting up module 4011 and set up, if this locality has new user to add, for initiate user arranges corresponding subscriber's local sign, add the described access customer mapping relations that newly add, transmission comprises the described interpolation that newly adds the access customer mapping relations asks to evolution base station; If this locality has the user to leave, user's mapping relations have been left in the deletion of notice evolution base station; Perhaps,
When being used for described mapping relations and being mapping relations acquisition module 4012 and obtaining, if receive when comprising the interpolation request that newly adds the access customer mapping relations, preserve in this locality in the described interpolation request comprise newly add the access customer mapping relations; If receive when comprising the removal request of leaving user's mapping relations, leave user's mapping relations in the mapping relations that preserve this locality in the described removal request of deletion.
Further alternative, the transmitting device of described packet can further include:
Mapping relations are confirmed module 403, be used for after described mapping relations are set up module 4011 notice mapping relations foundation, or after the renewal mapping relations of described mapping relations update module notice, receive the answer of affirmation mapping relations or the renewal mapping relations of evolution base station transmission; Perhaps,
Be used for after described mapping relations acquisition module 4012 obtains mapping relations, or after described mapping relations update module is obtained the renewal of renewal mapping relations, send the answer of confirming mapping relations or upgrading mapping relations.
The transmitting device of the packet that the embodiment of the invention provides, add length in the tag slot of packet less than the subscriber's local sign of user ID, be used for identifying the user at repeated link, reduce the data volume of non-valid data in the packet, thereby reach the purpose of saving transfer resource, improve the efficiency of transmission of packet.Because user's subscriber's local sign is applied on the repeated link, do not influence via node and in local coverage, identify the user, guaranteed user's compatibility.
One of ordinary skill in the art will appreciate that and realize that all or part of step that above-described embodiment method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (8)
1. the transmission method of a packet is characterized in that, comprising:
Receive the data that the user sends, according to the user ID of described user in the evolution base station coverage and the mapping relations of the sign of the subscriber's local in the local coverage, send the upstream data bag that carries the subscriber's local sign to evolution base station, wherein said upstream data bag comprises described user's data; Or,
Receive the downlink data packet of carrying the subscriber's local sign that evolution base station sends, described downlink data packet be according to described user in the evolution base station coverage user ID and the mapping relations of the subscriber's local in local coverage sign send, according to the sign of the subscriber's local in the described downlink data packet, the data in the described downlink data packet are sent to corresponding user; The length of wherein said subscriber's local sign is less than the length of described user ID;
Wherein, described mapping relations are arranged or the evolution base station setting by this locality, comprising:
Determine the length of subscriber's local sign;
Length according to the subscriber's local sign of determining arranges the subscriber's local sign, and the mapping relations of the user ID in the described evolution base station coverage and the sign of the subscriber's local in the local coverage.
2. the transmission method of packet according to claim 1 is characterized in that, also comprises:
When this locality has new user to add local node, for initiate user arranges corresponding subscriber's local sign, to add newly to add the access customer mapping relations, transmission comprises the described interpolation that newly adds the access customer mapping relations asks to evolution base station; Perhaps receive the interpolation request that newly adds the access customer mapping relations that comprises of described evolution base station transmission, the interpolation request that described evolution base station sends is that initiate user arranges corresponding subscriber's local sign by described evolution base station, adds describedly to send after newly adding the access customer mapping relations; Perhaps,
When this locality has the user to leave, send comprise leave user's mapping relations removal request to evolution base station; Perhaps, receive the removal request of leaving user's mapping relations that comprises of described evolution base station transmission, send when the removal request that this evolution base station sends has the user to leave by described evolution base station in this locality.
3. the transmission method of packet according to claim 2 is characterized in that, also comprises:
When comprising of receiving that described evolution base station sends is described when newly adding the interpolation request of access customer mapping relations, preserves in this locality and newly add the access customer mapping relations in the described interpolation request; Perhaps,
When comprising of receiving that described evolution base station sends is described when having left the removal request of user's mapping relations, leave user's mapping relations in the mapping relations that preserve this locality in the described removal request of deletion.
4. the transmission method of packet according to claim 2 is characterized in that, also comprises:
Transmission comprises the interpolation that newly adds the access customer mapping relations asks to after the evolution base station, the answer that newly adds the access customer mapping relations is added in the affirmation that receives the evolution base station transmission, and this answer is sent after the access customer mapping relations are added affirmation newly adding in the described interpolation request by described evolution base station; Perhaps,
Transmission comprises this removal request of having left user's mapping relations to after the evolution base station, the answer of user's mapping relations has been left in the deletion that receives described evolution base station transmission, and this answer is deleted the transmission of affirmation back by described evolution base station to the user's mapping relations left in the described removal request.
5. the transmission method of packet according to claim 3 is characterized in that, also comprises:
This locality preserve in the described interpolation request newly add the access customer mapping relations after, send to add the affirmation that newly adds the access customer mapping relations to evolution base station and reply; Perhaps,
In the mapping relations that preserve this locality in the described removal request of deletion leave user's mapping relations after, send deletion to evolution base station and left the affirmation of user's mapping relations and reply.
6. the transmitting device of a packet is characterized in that, comprising: mapping relations are set up module or mapping relations acquisition module, uplink module, perhaps comprise: mapping relations are set up module or mapping relations acquisition module, downlink transfer module; Wherein:
Mapping relations are set up module, for the length of determining the subscriber's local sign, according to the length of the subscriber's local sign of determining, the mapping relations of the interior user ID of evolution base station coverage and the sign of the subscriber's local in the local coverage are set;
The mapping relations acquisition module is for the mapping relations of the user ID in the evolution base station coverage of obtaining the evolution base station setting and the sign of the subscriber's local in the local coverage;
The uplink module, be used for receiving the data that the user sends, according to the user ID of described user in the evolution base station coverage and the mapping relations of the sign of the subscriber's local in the local coverage, the upstream data bag of subscriber's local sign is carried in transmission, and wherein said upstream data bag comprises described user's data;
The downlink transfer module, be used for receiving the downlink data packet of carrying the subscriber's local sign that evolution base station sends, wherein said downlink data packet be according to described user in the evolution base station coverage user ID and the mapping relations of the subscriber's local in local coverage sign send, according to the sign of the subscriber's local in the described downlink data packet, the data in the described downlink data packet are sent to corresponding user;
The length of wherein said subscriber's local sign is less than the length of described user ID.
7. the transmitting device of packet according to claim 6 is characterized in that, also comprises:
The mapping relations update module, when being used for described mapping relations and being described mapping relations and setting up module and set up, if this locality has new user to add, for initiate user arranges corresponding subscriber's local sign, interpolation newly adds the access customer mapping relations, and transmission comprises the described interpolation that newly adds the access customer mapping relations asks to evolution base station; If this locality has the user to leave, user's mapping relations have been left in the deletion of notice evolution base station; Perhaps,
When being used for described mapping relations and being the mapping relations acquisition module and obtaining, if receive when comprising the interpolation request that newly adds the access customer mapping relations, preserve in this locality in the described interpolation request comprise newly add the access customer mapping relations; If receive when comprising the removal request of leaving user's mapping relations, leave user's mapping relations in the mapping relations that preserve this locality in the described removal request of deletion.
8. the transmitting device of packet according to claim 7 is characterized in that, also comprises:
Mapping relations affirmation module is used for after described mapping relations are set up the foundation of module notice mapping relations, or after the renewal mapping relations of described mapping relations update module notice, the affirmation mapping relations that the reception evolution base station sends or the answer of upgrading mapping relations; Perhaps,
Be used for after described mapping relations acquisition module obtains mapping relations, or after described mapping relations update module is obtained the renewal of renewal mapping relations, send the answer of confirming mapping relations or upgrading mapping relations.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200910128475 CN101848056B (en) | 2009-03-23 | 2009-03-23 | Method and device for transmitting packets |
| PCT/CN2010/071037 WO2010108412A1 (en) | 2009-03-23 | 2010-03-15 | Method and apparatus for transmitting data package |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910128475 CN101848056B (en) | 2009-03-23 | 2009-03-23 | Method and device for transmitting packets |
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| CN101848056B true CN101848056B (en) | 2013-10-02 |
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| WO2016015222A1 (en) * | 2014-07-29 | 2016-02-04 | 华为技术有限公司 | Data encryption and transmission method and device |
| WO2017132946A1 (en) * | 2016-02-04 | 2017-08-10 | 华为技术有限公司 | Data transmission method and apparatus |
| CN108632892B (en) * | 2017-03-24 | 2022-02-25 | 华为技术有限公司 | Wireless communication method, terminal, access network equipment and network system |
| WO2018196102A1 (en) | 2017-04-27 | 2018-11-01 | 北京小米移动软件有限公司 | Information transmission method and apparatus and computer readable storage medium |
| CN114501548A (en) * | 2022-02-16 | 2022-05-13 | 北京升哲科技有限公司 | Data cascade transmission method, device, equipment and medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356794A (en) * | 2000-12-01 | 2002-07-03 | 株式会社日立制作所 | Wireless base station with dynamic control of data transmission rate and data packet forwarding device |
| CN101150498A (en) * | 2006-09-18 | 2008-03-26 | 华为技术有限公司 | Multi-jumper radio relay communication system and its download data transmission method |
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| WO2005006640A1 (en) * | 2003-07-11 | 2005-01-20 | Philips Intellectual Property & Standards Gmbh | Transmission of data packets from a transmitter to a receiver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356794A (en) * | 2000-12-01 | 2002-07-03 | 株式会社日立制作所 | Wireless base station with dynamic control of data transmission rate and data packet forwarding device |
| CN101150498A (en) * | 2006-09-18 | 2008-03-26 | 华为技术有限公司 | Multi-jumper radio relay communication system and its download data transmission method |
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| WO2010108412A1 (en) | 2010-09-30 |
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