CN101800946B - Data transmission method - Google Patents
Data transmission method Download PDFInfo
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- CN101800946B CN101800946B CN200910006276.XA CN200910006276A CN101800946B CN 101800946 B CN101800946 B CN 101800946B CN 200910006276 A CN200910006276 A CN 200910006276A CN 101800946 B CN101800946 B CN 101800946B
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- base station
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- business stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/082—Mobility data transfer for traffic bypassing of mobility servers, e.g. location registers, home PLMNs or home agents
Abstract
The invention discloses a data transmission method. In the method, source user equipment sends data which is sent to destination user equipment to a base station through a pre-established traffic flow corresponding to the destination user equipment; and the base station resolves the received data, acquires an empty link address of the traffic flow between the base station and the destination user equipment and forwards the data to the destination user equipment. According to the technical scheme provided by the invention, the data transmission method solves the problem that local forwarding cannot be realized because address information of the destination user equipment cannot be acquired in the prior art, reduces data transmission paths, shortens the time delay of data processing and reduces the spending of network resources.
Description
Technical field
The present invention relates to mobile communication technology field, relate in particular to a kind of data transmission method in wireless communication field.
Background technology
Usually, wireless communication system is used electromagnetic wave and fixing or mobile wireless communication terminal (for example, mobile radiotelephone or with the notebook computer of wireless communication card etc., all can be referred to as terminal) to communicate.Generally speaking, within terminal is positioned at the wireless coverage of system, the wave frequency of distributing to terminal can be divided into a plurality of carrier frequencies as radio communication channel.In wireless communication system, by base station, utilize specific radio channel to provide wireless coverage in certain geographic range, this geographic range is called community.Theoretically, base station is generally positioned at the central authorities of community.
In Radio Access Network, generally speaking, mainly comprise subscriber equipment (UserEquipment, referred to as UE), base station and three functional entitys of IAD.Wherein, the connection between user terminal and base station belongs to two layers of connection, comprises physical layer and media access control (Media Access Control, referred to as MAC) layer; And IAD is mainly carried out three layers of above function, comprise the functions such as resolution data IP address.In existing wireless access network communication system, the data interaction between user terminal and base station is transmitted by the protocol rule of a set of side of eating dishes without rice or wine, irrelevant with more than three layers and three layers information.For example, in transmitting uplink data, source user terminal sends to the data of a plurality of object user terminals can be carried in identical empty link address, and these data are resolved and forwarded the destination address of data by IAD after arriving IAD via base station.In downlink data transmission, the data of sending from core-network side send to object terminal via base station by this data-mapping after resolving destination address via IAD to the side address of eating dishes without rice or wine accordingly.
Hence one can see that, and in the prior art, even within source user terminal and object user terminal be positioned at identical base station, the data of source user terminal just can be transmitted to object user terminal after also must resolving through IAD.Therefore there is processing delay length and the larger problem of IAD resource overhead in this data transmission technology.
In order to address the above problem, the transmission method that can adopt local data to forward, while carrying out interaction data between two user terminals under same base station, does not resolve data by IAD, but directly by base station, carries out forward process.
For wireless relay network local data, forward and can on relay station, realize.Be that the upstream data that source user terminal sends can not arrive base station, but data are carried out to this locality at relay place, forward.
When realizing local data forwarding, the data that base station or relay station must send from source user terminal, parse object user terminal address, there is addressability.But not yet propose base station or relay station at present and how from the data of source user terminal transmission, to parse the method for object user terminal address.
Summary of the invention
In view of this, the invention provides a kind of improved data transmission scheme, in order to solve the data that cannot send from source user equipment due to base station or relay station, parse the address of object subscriber equipment, and cause realizing the local problem forwarding.
According to an aspect of the present invention, provide a kind of data transmission method.
Data transmission method according to the present invention comprises: source user equipment will send to the data of object subscriber equipment to send to base station by the Business Stream corresponding with object subscriber equipment of setting up in advance; The data receive are resolved in base station, obtain the empty link address of the Business Stream between base station and object subscriber equipment, by data retransmission to object subscriber equipment.
According to another aspect of the present invention, provide a kind of data transmission method.
Data transmission method according to the present invention comprises: source user equipment will send to the data of object subscriber equipment to send to relay station by the Business Stream corresponding with object subscriber equipment of setting up in advance; Relay station is resolved the data receive, obtains the empty link address of the Business Stream between relay station and object subscriber equipment, by data retransmission to object subscriber equipment.
By above-mentioned at least one scheme of the present invention, source user equipment is by be in advance the service route object subscriber equipment transmission data of itself and object user equipment allocation, make base station or relay station can parse according to this Business Stream the user profile of object subscriber equipment, thereby the data retransmission that source user equipment is sent is to object subscriber equipment, solved in prior art owing to cannot obtaining the address information of object subscriber equipment, thereby cause realizing the local problem forwarding, reduced data transfer path, shorten the time delay of data processing and reduced the expense of Internet resources.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in the specification write, claims and accompanying drawing.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is according to the flow chart of a kind of data transmission method of the embodiment of the present invention;
Fig. 2 is according to the flow chart of the another kind of data transmission method of the embodiment of the present invention;
Fig. 3 is a kind of schematic network structure in the embodiment of the present invention;
Fig. 4 is the flow chart of embodiment mono-;
Fig. 5 is the flow chart of embodiment bis-;
Fig. 6 is another kind of schematic network structure in the embodiment of the present invention;
Fig. 7 is the flow chart of embodiment tri-;
Fig. 8 is the flow chart of embodiment tetra-.
Embodiment
Functional overview
For relay station of the prior art and base station, do not there is addressing function and cause realizing the problem that this locality of data forwards, the embodiment of the present invention provides a kind of improved data transmission scheme, in the technical scheme providing in the embodiment of the present invention, be that user is to configuring static Business Stream in advance, subscriber equipment is when the object subscriber equipment to local sends data, data-mapping is sent on empty link address corresponding to the Business Stream with object subscriber equipment, base station or relay station are by resolving this empty link address, can obtain the user profile of object subscriber equipment, thereby the data retransmission that source user equipment is sent is to object subscriber equipment.
In the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
According to the embodiment of the present invention, first provide a kind of data transmission method.
Fig. 1 is according to the flow chart of the data transmission method of the embodiment of the present invention, as shown in Figure 1, according to the data transmission method of the embodiment of the present invention, mainly comprises the following steps (step S101-step S103):
Step S101: source UE will send to the data of object UE to send to base station by the Business Stream corresponding with object UE of setting up in advance;
Step S103: the data that receive are resolved in base station, obtain the empty link address of the Business Stream between itself and object UE, by the above-mentioned data retransmission receiving, to object UE, wherein, this Business Stream and source UE send the Business Stream that above-mentioned data are used and have corresponding relation.
Below further describe the above-mentioned details that each is processed.
(1) step S101
In order to make base station there is local transfer capability, in embodiments of the present invention, first all UE that this base station administered are configured to man-to-man user couple, and be each user to the one or more Business Streams of static configuration, and in the attribute of Business Stream, carry the physical address of this user's centering opposite end UE; Then, by base station, be the corresponding special-purpose empty link address of each traffic flow assignment.Source UE is when sending data to opposite end UE, according to the physical address of opposite end UE, data-mapping is eated dishes without rice or wine to connect to corresponding special use, base station obtains the user profile of opposite end UE by the empty link address of resolution data, and data are transmitted to opposite end UE in this locality in corresponding downlink space interface connection.
The data transmission method providing according to the embodiment of the present invention can be applied to traditional access network, also can be applied to flattening network, for the traditional access network being formed by IAD, base station and terminal, the foundation of the Business Stream that the configuration that user is right and each user are right can be completed or be initiated by IAD, particularly, IAD is that all UE that base station is administered are configured to user to also completing according to following steps for each user assignment Business Stream:
Step 1: the IAD corresponding with base station judges the whether local forwarding capability of supported data of current wireless access network, when if this function is not activated, the data transmission method of the side of eating dishes without rice or wine adopts current mechanism, if base station or IAD are enabled this function, all UE that IAD is administered base station are configured to user couple;
Particularly, when the UE administering when base station adds up to N, the quantity that user is right is C
n 2, such as, suppose that the UE that a certain base station is administered comprises: UE A, UE B and UEC, IAD is made into three users couple by the UE under this base station: UE A and UE B, UE A and UE C, UE B and UE C.
Step 2: for each user couple, IAD, for this user is to distributing one or more Business Streams, carries the physical address of user's centering opposite end UE, and the information of each Business Stream is sent to base station in the attribute of each Business Stream.
Step 3: base station is distributed corresponding empty link address according to the information of each Business Stream for it.
In specific implementation process, above-mentioned steps 1 specifically can realize by following signaling process:
1. IAD sends respectively Business Stream by base station to two right UE of user and sets up request message, and be the corresponding special-purpose empty link address of each traffic flow assignment by base station, wherein, this Business Stream is set up carry information in request message and is at least included but not limited to one of following parameter: address information, port numbers and the protocol type of two UE that user is right;
2. two UE that user is right set up request message in response to above-mentioned Business Stream, send Business Stream set up response message by base station to IAD;
3. IAD sends Business Stream by base station to two right UE of user and sets up acknowledge message.
So far, the Business Stream that this user is right has been set up, no matter this user between whether there is data interaction, base station is all that this user is to configuring one or more Business Streams, after Business Stream has been set up, source UE is when sending data to opposite end UE, according to the physical address of opposite end UE, obtain the Business Stream corresponding with this physical address, use grader that data-mapping is eated dishes without rice or wine to connect upper transmission to the special use corresponding with this Business Stream.
In specific implementation process, IAD can be for each user be to distributing one or more Business Streams.When IAD for user to only distribute dedicated service stream to time, all data that this user is right are all mapped to this Business Stream to upper, and use corresponding empty link address to transmitting.When IAD for user to distribute a plurality of dedicated services stream to time, the data that this user is right can be according to quality of service (quality of service, referred to as QoS), the parameters such as data transfer direction are mapped on different Business Streams, and use respectively corresponding empty link address to transmit.
In specific implementation process, IAD configure user to time, also can under the UE that administers of a plurality of base stations be configured to user couple, and for each user is to distributing one or more Business Streams, when UEXiang opposite end, the source UE of these user's centerings sends data, also can send data according to pre-configured Business Stream.
For the flattening network being formed by base station and terminal, due to base station in flattening network integrated the function of traditional base station and IAD, therefore, can be by the foundation of the right configuration of base station completing user and the right Business Stream of each user, particularly, base station is that its all UE that administer are configured to user to also completing according to following steps for each user assignment Business Stream:
Step 1: base station judges the whether local forwarding capability of supported data of current wireless access network, when if this function is not activated, the data transmission method of the side of eating dishes without rice or wine adopts current mechanism, if enable this function, all UE that it is administered in base station are configured to user couple;
Particularly, when the UE administering when base station adds up to N, the quantity that user is right is C
n 2, such as, suppose that the UE that a certain base station is administered comprises: UE A, UE B and UE C, base station is made into three users couple by these UE: UE A and UE B, UE A and UE C, UE B and UE C.
Step 2: for each user couple, the physical address of user's centering opposite end UE, for this user is to distributing one or more Business Streams, is carried in base station in the attribute of each Business Stream.
Step 3: base station is distributed corresponding empty link address according to the information of each Business Stream for it.
In specific implementation process, above-mentioned steps 1 specifically can realize by following signaling process:
1. base station sends respectively Business Stream to two right UE of user and sets up request message, and wherein, this Business Stream is set up carry information in request message and at least included but not limited to one of following parameter: address information, port numbers and the protocol type of two UE that user is right;
2. two UE that user is right set up request message in response to above-mentioned Business Stream, send Business Stream set up response message to base station;
3. base station sends Business Stream to two right UE of user and sets up acknowledge message.
So far, the Business Stream that this user is right has been set up, no matter this user between whether there is data interaction, for this user exists one or more Business Streams of configuration, in Business Stream process of establishing, base station is the corresponding special-purpose empty link address of each traffic flow assignment.Source UE, when sending data to opposite end UE, according to the physical address of opposite end UE, obtains the Business Stream corresponding with this physical address, and data-mapping is eated dishes without rice or wine to connect upper transmission to the special use corresponding with this Business Stream.
In specific implementation process, base station can be for each user be to distributing one or more Business Streams.When base station for user to only distribute dedicated service stream to time, all data that this user is right are all mapped to this Business Stream to upper, and use corresponding empty link address to transmitting.When base station for user to distribute a plurality of dedicated services stream to time, the data that this user is right can be mapped on different Business Streams according to parameters such as QoS, data transfer directions, and use respectively corresponding empty link address to transmit.
In specific implementation process, IAD or base station are that each user may exist following three kinds of situations to the Business Stream of setting up:
One, Business Stream be originate in user to, end at the uplink service stream of base station and originate in base station, end at the downstream service flow that user is right; Accordingly, Business Stream eat dishes without rice or wine to be connected to originate in user to, the ascending idle port that ends at base station connects and originate in base station, end at the downlink space interface that user is right connects.
In this kind of situation, if to having there is suitable downstream service flow between (comprising source UE and object UE) in base station and user, do not need to re-establish new downstream service flow, only need to set up the mapping relations of uplink service stream and existing downstream service flow, and set up the mapping relations that this uplink service flows the corresponding empty link address empty link address corresponding with this existing downstream service flow.This uplink service stream can only carry from source UE, send to the upstream data of opposite end UE, this downstream service flow not only to carry from source UE, send to the downlink data of opposite end UE, can also carry the data that other users issue opposite end UE.
In specific implementation process, source UE is when sending data, by above-mentioned uplink service, flow, by data-mapping to be sent to flowing in corresponding empty link address and send to base station with this uplink service, base station receives after above-mentioned data, the empty link address of obtaining the downstream service flow corresponding with the empty link address of this uplink service stream sends to opposite end UE by the data-mapping receiving on the empty link address corresponding with this downstream service flow.
Two, Business Stream is the one-way traffic flow end to end that originates in source UE, ends at opposite end UE via base station; Accordingly, the eating dishes without rice or wine to be connected to of this Business Stream originates in source UE, and unidirectional the eating dishes without rice or wine of ending at opposite end UE via base station connects;
In this kind of situation, user between need to set up two one-way traffic flows, article one one-way traffic flow is: UE → base station, source → opposite end UE, second Business Stream is: UE → base station, opposite end → source UE.Wherein, article one Business Stream only carries from source UE, sends to the data of opposite end UE, and second Business Stream only carries from opposite end UE, sends to the data of source UE.
In specific implementation process, when UEXiang opposite end, source UE sends data, by article one Business Stream, data-mapping to be sent is sent to base station on the empty link address corresponding with this Business Stream, the data that base station reception sources UE sends, by this Business Stream, the data-mapping receiving is transmitted to opposite end UE to the empty link address corresponding with this Business Stream.Equally, for opposite end UE, when it sends data to source UE, opposite end UE is by second Business Stream, data-mapping to be sent is sent to base station on the empty link address corresponding with this Business Stream, base station, by this Business Stream, is transmitted to source UE by the data-mapping receiving to the empty link address corresponding with this Business Stream.
Three, Business Stream is that source UE is via the stream of two-way services end to end between base station and opposite end UE, i.e. source UE ← → base station ← → opposite end UE; Accordingly, this Business Stream eat dishes without rice or wine be connected to source UE and be connected with two-way the eating dishes without rice or wine between the UE of opposite end via base station.
In this kind of situation, user between only need to set up a Business Stream.This Business Stream only carries source user and to data mutual between end subscriber, when UEXiang opposite end, source UE sends data, by these two-way services, flow, by data-mapping to flowing in corresponding empty link address data are sent to base station with these two-way services, the data that base station sends source UE by this two-way services stream turn to be mapped to these two-way services and flow and in corresponding empty link address, issue opposite end UE, equally, when opposite end UE has data will send to source UE, opposite end UE sends the data to base station by this two-way services stream, flow data transmission source UE by these two-way services base station.
(2) step S103
Base station receives after the data of source UE transmission by the Business Stream of setting up in advance, by resolving the empty link address corresponding with this Business Stream, can obtain the user profile of object UE, particularly, this user profile can be physical address, particularly, physical address includes but not limited to: the IP address of UE, the port numbers of UE.
In specific implementation process, base station is when local forwarding data, can be by Medium Access Control (MAC) Protocol Data Unit (Protocol data unit, referred to as PDU) be reassembled as service data unit (Service Data Unit, referred to as SDU), and according to the link between base station and object UE and scheduling situation, SDU is repacked as MAC PDU and is transmitted to object UE.
In specific implementation process, if the user profile of its all UE that administer is preserved in base station, base station can be by resolving physical address and the corresponding source UE of this Business Stream of the object UE in Business Stream, by inquiring about the user profile of local its all UE that administer that preserve, can judge whether source UE and object UE are all its UE administering, thereby judge whether this Business Stream is local forwarding service stream, particularly, if the UE that source UE and object UE administer for this base station, base station determines that this Business Stream is local forwarding service stream, base station obtains the downstream service flow corresponding with this Business Stream, data retransmission source UE being sent by this downstream service flow is to object UE.
If the user profile of its UE administering is not preserved in base station, can be by carry the sign of local forwarding service stream in Business Stream, base station is by resolving this sign, can determine that current business flow is local forwarding service stream, base station obtains the downstream service flow corresponding with this Business Stream, and data retransmission source UE being sent by this downstream service flow is to object UE.
The said method providing by the embodiment of the present invention, can be so that base station has local addressing function, thereby makes base station can realize local forwarding capability.
According to the embodiment of the present invention, another kind of data transmission method is also provided, the method is for comprising the wireless network of relay station.
Fig. 2 is according to the flow chart of the data transmission method of the embodiment of the present invention, as shown in Figure 2, according to the data transmission method of the embodiment of the present invention, mainly comprises the following steps (step S201-step S203):
Step S201: source UE will send to the data of object UE to send to relay station by the Business Stream corresponding with object UE of setting up in advance;
Step S203: relay station is resolved the data that receive, obtain the empty link address of the Business Stream between itself and object UE, by the above-mentioned data retransmission receiving, to object UE, wherein, this Business Stream and source UE send the Business Stream that above-mentioned data are used and have corresponding relation.
Below further describe the above-mentioned details of respectively processing.
(1) step S201
In order to make relay station there is local transfer capability, in embodiments of the present invention, first all UE that this relay station administered are configured to man-to-man user couple, and be each user to the one or more Business Streams of static configuration, and will the physical address of this user's centering opposite end UE be set in the attribute of Business Stream; Then, by relay station or base station, be the corresponding special-purpose empty link address of each traffic flow assignment.Source UE is when sending data to opposite end UE, according to the physical address of opposite end UE, data-mapping is eated dishes without rice or wine to connect to corresponding special use, relay station obtains the user profile of opposite end UE by the empty link address of resolution data, and data are transmitted to opposite end UE in this locality in corresponding downlink space interface connection.
Similar to the data transmission method shown in Fig. 1, the foundation of the Business Stream that the configuration that user is right and each user are right can be completed by IAD, in flattening network, also can be completed by base station, particularly, IAD is that all UE that relay station is administered are configured to user to also completing according to following steps for each user assignment Business Stream:
Step 1: the IAD corresponding with relay station judges the whether local forwarding capability of supported data of current wireless access network, if this function is not activated, the data transmission method of the side of eating dishes without rice or wine adopts current mechanism, if enable this function, all UE that IAD is administered relay station are configured to user couple;
Particularly, when the UE administering when relay station adds up to N, the quantity that user is right is C
n 2, such as, suppose that the UE that a certain relay station is administered comprises: UE A, UE B and UE C, IAD is made into three users couple by the UE under this relay station: UE A and UE B, UE A and UE C, UE B and UE C.
Step 2: for each user couple, IAD, for this user is to distributing one or more Business Streams, carries the physical address of user's centering opposite end UE, and the information of each Business Stream is sent to relay station in the attribute of each Business Stream.
Step 3: relay station or base station are the corresponding empty link address of each traffic flow assignment according to the information of each Business Stream.
In specific implementation process, above-mentioned steps 1 specifically can realize by following signaling process:
1. IAD sends respectively Business Stream by relay station and corresponding base station thereof to two right UE of user and sets up request message, wherein, this Business Stream is set up carry information in request message and is at least included but not limited to one of following parameter: address information, port numbers and the protocol type of two UE that user is right;
2. two UE that user is right set up request message in response to above-mentioned Business Stream, send Business Stream set up response message by base station to IAD;
3. IAD sends Business Stream by base station to two right UE of user and relay station and sets up acknowledge message.
So far, the Business Stream that this user is right has been set up, no matter this user between whether there is data interaction, for this user exists one or more Business Streams of configuration, in Business Stream process of establishing, relay station or base station are the corresponding special-purpose empty link address of each traffic flow assignment, in specific implementation process, if relay station has the ability of distributing empty link address, by relay station, be the corresponding special-purpose empty link address of each traffic flow assignment, if relay station is this ability not, can be the corresponding special-purpose empty link address of each traffic flow assignment by base station.Source UE, when sending data to opposite end UE, according to the physical address of opposite end UE, obtains the Business Stream corresponding with this physical address, uses grader that data-mapping is eated dishes without rice or wine to connect upper transmission to the special use corresponding with this Business Stream.
In specific implementation process, IAD can be for each user be to distributing one or more Business Streams.When IAD for user to only distribute dedicated service stream to time, all data that this user is right are all mapped to this Business Stream to upper, and use corresponding empty link address to transmitting.When IAD for user to distribute a plurality of dedicated services stream to time, the data that this user is right can be according to quality of service (Quality of Service, referred to as QoS), the parameters such as data transfer direction are mapped on different Business Streams, and use respectively corresponding empty link address to transmit.
In specific implementation process, IAD configure user to time, also can under a plurality of base stations in the UE that administers of a plurality of relay stations be configured to user couple, and for each user is to distributing one or more Business Streams, when UEXiang opposite end, the source UE of these user's centerings sends data, also can send data according to pre-configured Business Stream.
For the flattening network being formed by base station, relay station and terminal, due to base station in flattening network integrated the function of traditional base station and IAD, therefore, can be by the foundation of the right configuration of base station completing user and the right Business Stream of each user, particularly, all UE that base station is administered for certain relay station under it are configured to user to also completing according to following steps for each user assignment Business Stream:
Step 1: base station judges the whether local forwarding capability of supported data of current wireless access network, if this function is not activated, the data transmission method of the side of eating dishes without rice or wine adopts current mechanism, if enable this function, base station is descended all UE that certain repeater is administered to be configured to user couple;
Particularly, when the UE administering when relay station adds up to N, the quantity that user is right is C
n 2, such as, suppose that the UE that a certain relay station is administered comprises: UE A, UE B and UE C, base station is made into three users couple by these UE: UE A and UE B, UE A and UE C, UE B and UE C.
Step 2: for each user couple, base station, for this user is to distributing one or more Business Streams, is carried the physical address of user's centering opposite end UE, and the information of each Business Stream is sent to relay station in the attribute of each Business Stream.
Step 3: relay station distributes corresponding empty link address according to the information of each Business Stream for it.
In specific implementation process, above-mentioned steps 1 specifically can realize by following signaling process:
1. base station sends respectively Business Stream by relay station to two right UE of user and sets up request message, wherein, this Business Stream is set up carry information in request message and is at least included but not limited to one of following parameter: address information, port numbers and the protocol type of two UE that user is right;
2. two UE that user is right set up request message in response to above-mentioned Business Stream, send Business Stream set up response message by relay station to base station;
3. base station sends Business Stream to two right UE of user and relay station and sets up acknowledge message.
So far, the Business Stream that this user is right has been set up, no matter this user between whether there is data interaction, for this user exists one or more Business Streams of configuration, after Business Stream process of establishing, relay station or base station are the corresponding special-purpose empty link address of each traffic flow assignment.Source UE, when sending data to opposite end UE, according to the physical address of opposite end UE, obtains the Business Stream corresponding with this physical address, and data-mapping is eated dishes without rice or wine to connect upper transmission to the special use corresponding with this Business Stream.
In specific implementation process, base station can be for each user be to distributing one or more Business Streams pair.When base station for user to only distribute dedicated service stream to time, all data that this user is right are all mapped to this Business Stream to upper, and use corresponding empty link address to transmitting.When base station for user to distribute a plurality of dedicated services stream to time, the data that this user is right can be mapped on different Business Streams according to parameters such as QoS, data transfer directions, and use respectively corresponding empty link address to transmit.
In specific implementation process, base station also can under the UE that administers of a plurality of relay stations be configured to user couple, and for each user is to setting up Business Stream.
In specific implementation process, IAD or base station are that each user also can exist three kinds of situations to the Business Stream of setting up, concrete similar with above-mentioned the first data transmission method, at this, are not repeating.
(2) step S203
Relay station receives after the data of source UE transmission by the Business Stream of setting up in advance, by resolving the empty link address corresponding with this Business Stream, can obtain the user profile of object UE, particularly, this user profile can be physical address, particularly, physical address includes but not limited to: the IP address of UE, the port numbers of UE.
In specific implementation process, relay station, when local forwarding data, can be reassembled as SDU by MACPDU, and according to the link between base station and object UE and scheduling situation, SDU is repacked as MAC PDU and is transmitted to object UE.
In specific implementation process, if the user profile of its all UE that administer is preserved in relay station this locality, middle station can be by resolving physical address and the corresponding source UE of this Business Stream of the object UE in Business Stream, by inquiring about the user profile of local its all UE that administer that preserve, can judge whether source UE and object UE are all its UE administering, thereby judge whether this Business Stream is local forwarding service stream, particularly, if the UE that source UE and object UE administer for this relay station, relay station determines that this Business Stream is local forwarding service stream, relay station obtains the downstream service flow corresponding with this Business Stream, data retransmission source UE being sent by this downstream service flow is to object UE.
If the user profile of its UE administering is not preserved in relay station this locality, can be by carry the sign of local forwarding service stream in Business Stream, relay station is by resolving this sign, can determine that current business flow is local forwarding service stream, relay station obtains the downstream service flow corresponding with this Business Stream, and data retransmission source UE being sent by this downstream service flow is to object UE.
The said method providing by the embodiment of the present invention, can be so that relay station has local addressing function, thereby makes relay station can realize local forwarding capability.
In order further to understand the embodiment of the technical scheme that the embodiment of the present invention provides, below the technical scheme that the embodiment of the present invention provided by specific embodiment describe.
Embodiment mono-
The present embodiment be take the network configuration shown in Fig. 3 and is described as example, and the UE by IAD, base station being administered is in the present embodiment configured to user couple, and for each user, distribution service is flowed, thereby realizes base station forwarding capability.
Fig. 4 is the flow chart of the present embodiment, as shown in Figure 4, realizes in the present embodiment base station forwarding and mainly comprises the following steps:
Step S401: IAD determines that current wireless access network starts local forwarding capability, and all UE that base station is administered are configured to user couple;
Step S402: IAD is set up request message by base station to UE A and the UE B transmission Business Stream of user's centering;
The above-mentioned Business Stream that step S403:UE A and UE B send in response to IAD is set up request, returns to Business Stream set up response message by base station to IAD;
Step S404: IAD receives above-mentioned Business Stream and sets up response message, and to UE A and UE B transmission Business Stream, set up acknowledge message by base station;
Step S405: IAD sends message to base station, carries the information of the Business Stream of above-mentioned foundation in this message;
Step S406: base station is the corresponding empty link address of each traffic flow assignment according to the information of each Business Stream;
In specific implementation process, the processing of step S406 can be carried out in step S402, particularly, in step S402 when receiving Business Stream that IAD sends and set up request message, base station can be the corresponding empty link address of each traffic flow assignment, and by the empty link address that sends Business Stream to UE A and UE B and carry this Business Stream in setting up request message.
Step S407:UE A will send to the data-mapping of UE B to send on empty link address corresponding to the Business Stream of above-mentioned foundation;
Step S408: base station receives the data that UE A sends, and by resolving the empty link address corresponding with above-mentioned Business Stream, obtain the address information of UE B;
Step S409: the user profile of its all UE that administer that preserve according to this locality base station, determine that above-mentioned Business Stream is local forwarding service stream;
In specific implementation process, can also in Business Stream, carry whether this Business Stream of indication is the sign of local forwarding service, if the above-mentioned Business Stream of this sign indication is local forwarding service stream, base station determines that this Business Stream is local forwarding service stream.
Step S410: base station obtains with the uplink service that receives above-mentioned data flows corresponding downstream service flow, and by this downstream service flow by the above-mentioned data retransmission receiving to UE B.
Embodiment bis-
The present embodiment be take the network configuration shown in Fig. 3 and is described as example, and the UE by base station, it being administered at the present embodiment is configured to user couple, and for each user, distribution service is flowed, thereby realizes base station forwarding capability.
Fig. 5 is the flow chart of the present embodiment, as shown in Figure 5, realizes in the present embodiment base station forwarding in flattening network and mainly comprises the following steps:
Step S501: base station determines that current wireless access network starts local forwarding capability, and all UE that it is administered are configured to user couple;
Step S502: request message is set up to UE A and the UE B transmission Business Stream of user's centering in base station, and distributes corresponding empty link address;
In specific implementation process, base station also can be set up after response message at the Business Stream that receives UE A and UE B transmission, for the corresponding empty link address of each traffic flow assignment, and set up and in acknowledge message, carry the empty link address that this Business Stream is corresponding at Business Stream.
Step S503:UE A and UE B set up request in response to above-mentioned Business Stream, return to Business Stream set up response message to base station;
Step S504: base station receives above-mentioned Business Stream and sets up response message, and set up acknowledge message to UE A and UE B transmission Business Stream;
Step S505:UE A will send to the data-mapping of UE B to send on empty link address corresponding to the Business Stream of above-mentioned foundation;
Step S506: base station receives the data that UE A sends, and by resolving the empty link address corresponding with above-mentioned Business Stream, obtain the address information of UE B;
Step S507: the user profile of its all UE that administer that preserve according to this locality base station, determine that above-mentioned Business Stream is local forwarding service stream;
In specific implementation process, can also in Business Stream, carry whether this Business Stream of indication is the sign of local forwarding service, if the above-mentioned Business Stream of this sign indication is local forwarding service stream, base station determines that this Business Stream is local forwarding service stream.
Step S508: base station obtains with the uplink service that receives above-mentioned data flows corresponding downstream service flow, and by this downstream service flow by the above-mentioned data retransmission receiving to UE B.
Embodiment tri-
The present embodiment be take the network configuration shown in Fig. 6 and is described as example, and the UE by IAD, relay station being administered is in the present embodiment configured to user couple, and for each user, distribution service is flowed, thereby realizes the local forwarding capability of relaying.
Fig. 7 is the flow chart of the present embodiment, as shown in Figure 7, realizes in the present embodiment local forwarding of relay station and mainly comprises the following steps:
Step S701: IAD determines that current wireless access network starts local forwarding capability, and all UE that relay station is administered are configured to user couple;
Step S702: IAD is set up request message by base station, relay station to UE A and the UE B transmission Business Stream of user's centering;
The above-mentioned Business Stream that step S703:UE A and UE B send in response to IAD is set up request, returns to Business Stream set up response message by base station, relay station to IAD;
Step S704: IAD receives above-mentioned Business Stream and sets up response message, and to relay station, UE A and UE B transmission Business Stream, set up acknowledge message by base station;
Step S705: IAD sends message to relay station, carries the information of the Business Stream of above-mentioned foundation in this message;
Step S706: relay station or base station are distributed corresponding empty link address according to the information of each Business Stream for it;
In specific implementation process, if relay station has the ability of the empty link address of distribution, can be the corresponding empty link address of each traffic flow assignment by relay station, if relay station this ability not can be the corresponding empty link address of each traffic flow assignment by base station.
Equally, relay station or base station also can be in step S702, relay station or base station receive the Business Stream of IAD transmission and set up after request message, for the corresponding empty link address of this traffic flow assignment, and the empty link address of distribution is carried to Business Stream sets up and in request message, send to UE A and UE B.
Step S707:UE A will send to the data-mapping of UE B to send on empty link address corresponding to the Business Stream of above-mentioned foundation;
Step S708: relay station receives the data that UE A sends, and by resolving the empty link address corresponding with above-mentioned Business Stream, obtain the address information of UE B;
Step S709: the user profile of its all UE that administer that relay station is preserved according to this locality, determine that above-mentioned Business Stream is local forwarding service stream;
In specific implementation process, can also in Business Stream, carry whether this Business Stream of indication is the sign of local forwarding service, if the above-mentioned Business Stream of this sign indication is local forwarding service stream, relay station determines that this Business Stream is local forwarding service stream.
Step S710: relay station obtains with the uplink service that receives above-mentioned data and flows corresponding downstream service flow, and by this downstream service flow by the above-mentioned data retransmission receiving to UE B.
Embodiment tetra-
The present embodiment be take the network configuration shown in Fig. 4 and is described as example, and the UE by base station, relay station being administered at the present embodiment is configured to user couple, and for each user, distribution service is flowed, thereby realizes the local forwarding capability of relay station.
Fig. 8 is the flow chart of the present embodiment, as shown in Figure 8, realizes in the present embodiment local forwarding of relay station and mainly comprises the following steps:
Step S801: base station determines that current wireless access network starts local forwarding capability, under all UE of administering of certain relay station be configured to user couple;
Step S802: request message is set up to UE A and the UE B transmission Business Stream of relay station, user's centering in base station, and relay station or base station are the corresponding empty link address of this traffic flow assignment;
In specific implementation process, base station or relay station also can be set up after response message at the Business Stream that receives UE A and UEB transmission, for the corresponding empty link address of each traffic flow assignment, and set up and in acknowledge message, carry the empty link address that this Business Stream is corresponding at Business Stream.
Step 803:UE A and UE B set up request in response to above-mentioned Business Stream, return to Business Stream set up response message by relay station to base station;
Step S804: base station receives above-mentioned Business Stream and sets up response message, and set up acknowledge message to relay station, UE A and UE B transmission Business Stream;
Step S805:UE A connects upper transmission by the data-mapping that sends to UE B to corresponding the eating dishes without rice or wine of Business Stream of above-mentioned foundation;
Step S806: relay station receives the data that UE A sends, and by resolving the empty link address corresponding with above-mentioned Business Stream, obtain the address information of UE B;
Step S807: the user profile of its all UE that administer that relay station is preserved according to this locality, determine that above-mentioned Business Stream is local forwarding service stream;
In specific implementation process, can also in Business Stream, carry whether this Business Stream of indication is the sign of local forwarding service, if the above-mentioned Business Stream of this sign indication is local forwarding service stream, relay station determines that this Business Stream is local forwarding service stream.
Step S808: relay station obtains with the uplink service that receives above-mentioned data and flows corresponding downstream service flow, and by this downstream service flow by the above-mentioned data retransmission receiving to UE B.
As mentioned above, the technical scheme providing by the embodiment of the present invention, by the user who administers for base station or relay station in advance, the local forwarding service of static allocation is flowed, subscriber equipment is when the object subscriber equipment to local sends data, data-mapping is sent on empty link address corresponding to the Business Stream with object subscriber equipment, base station or relay station are by resolving this empty link address, can obtain the user profile of object subscriber equipment, thereby the data retransmission that source user equipment is sent is to object subscriber equipment, thereby reduced data transfer path, shorten the time delay of data processing and reduced the expense of Internet resources, for particularly suitable in the less Radio Access Network of number of users.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (29)
1. a data transmission method, is characterized in that, comprising:
Source user equipment will send to the data of described object subscriber equipment to send to base station by the Business Stream corresponding with object subscriber equipment of setting up in advance;
The described data that receive are resolved in described base station, obtain the empty link address of the Business Stream between described base station and described object subscriber equipment, by described data retransmission, give described object subscriber equipment;
Wherein, the described Business Stream between described base station and described object subscriber equipment and described source user equipment send the Business Stream that described data are used and have corresponding relation;
Before described source user equipment sends described data, described method also comprises:
The local forwarding capability of current wireless Access Network supported data is determined in described base station, and all user device configuration that it is administered are man-to-man user couple;
For each user couple, described base station, for this user is to distributing one or more Business Streams, is the corresponding empty link address of each traffic flow assignment, and the physical address to end user device of described user's centering is set in the attribute of described Business Stream.
2. method according to claim 1, is characterized in that, described base station be described user to distributing one or more Business Streams to comprise:
Described base station sends respectively Business Stream to two subscriber equipmenies of described user's centering and sets up request message, wherein, described Business Stream set up the information of carrying in request message comprise following one of at least: address information, port numbers and the protocol type of two subscriber equipmenies of described user's centering;
Two user device responsive of described user's centering are set up request message in described Business Stream, send Business Stream respectively set up response message to described base station;
Described base station sends respectively Business Stream to two subscriber equipmenies of described user's centering and sets up acknowledge message.
3. method according to claim 1, is characterized in that, before described source user equipment sends described data, described method also comprises:
The IAD corresponding with described base station determined the local forwarding capability of current wireless Access Network supported data, and all subscriber equipmenies that described base station is administered form man-to-man user couple;
For each user couple, described IAD, for this user is to distributing one or more Business Streams, and arranges the physical address to end user device that described user is right in the attribute of each Business Stream, and the information of each Business Stream is sent to described base station;
Described base station is the corresponding empty link address of each traffic flow assignment according to the information of each Business Stream.
4. method according to claim 3, is characterized in that, described IAD be described user to distributing one or more Business Streams to comprise:
Described IAD is set up request message by described base station to two subscriber equipmenies transmission Business Streams of described user's centering, wherein, described Business Stream set up in request message carry information comprise following one of at least: two user device address information, port numbers and protocol types that described user is right;
Two user device responsive that described user is right are set up request message in described Business Stream, send Business Stream set up response message by described base station to described IAD;
Described IAD sends Business Stream by described base station to two right subscriber equipmenies of described user and sets up acknowledge message.
5. according to the method described in claim 3 or 4, it is characterized in that, described IAD is for this user is to before distributing one or more Business Streams, and described method also comprises:
The subscriber equipment that described IAD is administered a plurality of base stations corresponding with it forms user couple.
6. according to the method described in any one in claim 1 to 4, it is characterized in that, before described source user equipment sends described data, described method also comprises:
Described source user equipment, according to the described physical address of described object subscriber equipment, arrives the described Business Stream corresponding with described physical address by described data-mapping.
7. according to the method described in any one in claim 1 to 4, it is characterized in that, described Business Stream comprises: originate in source user equipment and to end user device, end at the uplink service stream of described base station, and originate in described base station and end at source user equipment and the downstream service flow to end user device.
8. method according to claim 7, is characterized in that,
Described source user equipment sends to described base station to comprise described data:
Described source user equipment flows by the described uplink service between described source user equipment and described base station, and described data are being flowed in corresponding ascending idle port link address and sending to described base station with described uplink service;
Described base station comprises described data retransmission to described object subscriber equipment:
Described base station is by the described downstream service flow between described base station and described object subscriber equipment, by described data with the corresponding downlink space interface link address of described downstream service flow on be transmitted to described object subscriber equipment, wherein, described downstream service flow comprises: be exclusively used in the described source user equipment of carrying send to described object subscriber equipment data downstream service flow or for carrying a plurality of subscriber equipmenies, send to the downstream service flow of the data of described object subscriber equipment.
9. according to the method described in any one in claim 1 to 4, it is characterized in that, described Business Stream comprises: originate in source user equipment and via described base station, end at the one-way traffic flow of object subscriber equipment.
10. method according to claim 9, is characterized in that,
Described source user equipment sends to described base station to comprise described data:
Described source user equipment is by described one-way traffic flow, by described data with the corresponding empty link address of described one-way traffic flow on send to described base station;
Described base station comprises described data retransmission to described object subscriber equipment:
Described base station is by described one-way traffic flow, by described data with the corresponding empty link address of described one-way traffic flow on be transmitted to described object subscriber equipment.
11. according to the method described in any one in claim 1 to 4, it is characterized in that, described Business Stream comprises: source user equipment is via the two-way services stream between described base station and object subscriber equipment.
12. methods according to claim 11, is characterized in that,
Described source user equipment sends to described base station to comprise described data:
Described source user equipment flows by described two-way services, and described data are being flowed and in corresponding empty link address, sending to described base station with described two-way services;
Described base station comprises described data retransmission to described object subscriber equipment:
Flow by described two-way services described base station, and described data are being flowed and in corresponding empty link address, are being transmitted to described object subscriber equipment with described two-way services.
13. according to the method described in any one in claim 1 to 4, it is characterized in that, before described object subscriber equipment is given by described data retransmission in described base station, described method also comprises:
The user profile of subscriber equipment and the user profile of described object subscriber equipment in its compass of competency that preserve according to this locality described base station, determine that described object subscriber equipment is in its compass of competency.
14. according to the method described in any one in claim 1 to 4, it is characterized in that, carries the sign that this Business Stream of indication is local forwarding service stream in described Business Stream;
Before described object subscriber equipment is given by described data retransmission in described base station, described method also comprises:
Described base station, according to described sign, determines that described Business Stream is local forwarding service stream.
15. 1 kinds of data transmission methods, is characterized in that, comprising:
Source user equipment will send to the data of described object subscriber equipment to send to relay station by the Business Stream corresponding with object subscriber equipment of setting up in advance;
Described relay station is resolved the described data that receive, and obtains the empty link address of the Business Stream between described relay station and described object subscriber equipment, by described data retransmission, gives described object subscriber equipment;
Wherein, the Business Stream between described relay station and described object subscriber equipment and described source user equipment send the Business Stream that described data are used and have corresponding relation;
Before described source user equipment sends described data to described object subscriber equipment, described method also comprises:
The local forwarding capability of current wireless Access Network supported data is determined in the base station that described relay station is corresponding, and all subscriber equipmenies that described relay station is administered form man-to-man user couple;
For each user couple, described base station, for this user is to distributing one or more Business Streams, is the corresponding empty link address of each traffic flow assignment, and in the attribute of each Business Stream, carries the physical address to end user device of described user's centering.
16. methods according to claim 15, is characterized in that, described base station be described user to distributing one or more Business Streams to comprise:
Described base station sends respectively Business Stream to two subscriber equipmenies of described user's centering and sets up request message, wherein, described Business Stream set up in request message carry information comprise following one of at least: address information, port numbers and the protocol type of two subscriber equipmenies of described user's centering;
Two user device responsive of described user's centering are set up request message in described Business Stream, send Business Stream respectively set up response message to described base station;
Described base station sends respectively Business Stream to two subscriber equipmenies of described user's centering and described relay station and sets up acknowledge message.
17. according to right, ask 15 or 16 described in method, it is characterized in that, described base station be described user to before distributing one or more Business Streams, described method also comprises:
The subscriber equipment that a plurality of relay stations under described base station are administered forms man-to-man user couple.
18. methods according to claim 15, is characterized in that, before described source user equipment sends described data, described method also comprises:
The IAD that described relay station is corresponding is determined the local forwarding capability of current wireless Access Network supported data, and all subscriber equipmenies that described relay station is administered form man-to-man user couple;
For each user couple, described IAD, for this user is to distributing one or more Business Streams, carries the physical address of described user's centering to end user device, and the information of each Business Stream is sent to described relay station in the attribute of each Business Stream;
Described relay station or base station are the corresponding empty link address of each traffic flow assignment.
19. methods according to claim 18, is characterized in that, described IAD be described user to distributing one or more Business Streams to comprise:
Described IAD sends respectively Business Stream by base station corresponding to described relay station to two right subscriber equipmenies of described user and sets up request message, wherein, described Business Stream set up in request message carry information comprise following one of at least: two user device address information, port numbers and protocol types that described user is right;
Two user device responsive that described user is right are set up request message in described Business Stream, set up response message respectively to sending Business Stream by described base station to described IAD;
Described IAD sends respectively Business Stream by described base station to two right subscriber equipmenies of described user and described relay station and sets up acknowledge message.
20. according to the method described in claim 18 or 19, it is characterized in that, at described IAD, for this user is to before distributing one or more Business Streams, described method also comprises:
The user couple that the subscriber equipment that a plurality of relay stations under a plurality of base stations under described IAD are administered forms.
21. according to claim 15 to the method described in any one in 16,18 and 19, it is characterized in that, before described source user equipment sends described data, described method comprises:
Described source user equipment, according to the described physical address of described object subscriber equipment, arrives the described Business Stream corresponding with described physical address by described data-mapping.
22. according to claim 15 to the method described in any one in 16,18 and 19, it is characterized in that, described Business Stream comprises: originate in uplink service stream that source user equipment ends at described relay station, originate in the downstream service flow that described relay station ends at described object subscriber equipment.
23. methods according to claim 22, is characterized in that,
Described source user equipment sends the data to described relay station and comprises:
Described source user equipment flows by the described uplink service between described source user equipment and described relay station, and described data are being flowed in corresponding ascending idle port link address and sending to described relay station with described uplink service;
Described relay station comprises described data retransmission to described object subscriber equipment:
Described relay station is by the described downstream service flow between described relay station and described object subscriber equipment, by described data with the corresponding downlink space interface link address of described downstream service flow on be transmitted to described object subscriber equipment, wherein, described downstream service flow comprises: be exclusively used in the described source user equipment of carrying send to described object subscriber equipment data downstream service flow or for carrying a plurality of subscriber equipmenies, send to the downstream service flow of the data of described object subscriber equipment.
24. according to claim 15 to the method described in any one in 16,18 and 19, it is characterized in that, described Business Stream comprises: originate in source user equipment and via described relay station, end at the one-way traffic flow of object subscriber equipment.
25. methods according to claim 24, is characterized in that,
Described source user equipment sends to described relay station to comprise described data:
Described source user equipment is by described one-way traffic flow, by described data with the corresponding empty link address of described one-way traffic flow on send to described relay station;
Described relay station comprises described data retransmission to described object subscriber equipment:
Described relay station is by described one-way traffic flow, by described data with the corresponding empty link address of described one-way traffic flow on be transmitted to described object subscriber equipment.
26. according to claim 15 to the method described in any one in 16,18 and 19, it is characterized in that, described Business Stream comprises: source user equipment is via the two-way services stream between described relay station and object subscriber equipment.
27. methods according to claim 26, is characterized in that,
Described source user equipment sends to described relay station to comprise described data:
Described source user equipment flows by described two-way services, and described data are being flowed and in corresponding empty link address, sending to described relay station with described two-way services;
Described relay station comprises described data retransmission to described object subscriber equipment:
Described relay station flows by described two-way services, and described data are being flowed and in corresponding empty link address, are being transmitted to described object subscriber equipment with described two-way services.
28. according to claim 15 to the method described in any one in 16,18 and 19, it is characterized in that, before described relay station is given described object subscriber equipment by described data retransmission, described method also comprises:
The user profile of subscriber equipment and the user profile of described object subscriber equipment in its compass of competency that described relay station is preserved according to this locality, determine that described object subscriber equipment is in its compass of competency.
29. according to claim 15 to the method described in any one in 16,18 and 19, it is characterized in that, carries the sign that this Business Stream of indication is local forwarding service stream in described Business Stream;
Before described relay station is given described object subscriber equipment by described data retransmission, described method also comprises:
Described relay station, according to described sign, determines that described Business Stream is local forwarding service stream.
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| PCT/CN2009/076038 WO2010091591A1 (en) | 2009-02-10 | 2009-12-25 | A method and system for data transmission |
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| CN200910006276.XA CN101800946B (en) | 2009-02-10 | 2009-02-10 | Data transmission method |
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| CN102546370B (en) * | 2010-12-20 | 2015-07-29 | 华为技术有限公司 | service flow modification processing method, device and system |
| WO2011116714A2 (en) * | 2011-04-28 | 2011-09-29 | 华为技术有限公司 | Method and device for communication between terminals |
| CN107580342B (en) * | 2016-07-05 | 2020-04-17 | 大唐移动通信设备有限公司 | Data processing method and device based on base station |
| CN110677879B (en) * | 2019-09-10 | 2022-05-06 | 徐州时空思维智能科技有限公司 | Data intercommunication execution method and system for base station and terminal |
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| WO2010091591A8 (en) | 2011-09-29 |
| CN101800946A (en) | 2010-08-11 |
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