CN101835197A - Method and device for transmitting and receiving data - Google Patents
Method and device for transmitting and receiving data Download PDFInfo
- Publication number
- CN101835197A CN101835197A CN200910079457A CN200910079457A CN101835197A CN 101835197 A CN101835197 A CN 101835197A CN 200910079457 A CN200910079457 A CN 200910079457A CN 200910079457 A CN200910079457 A CN 200910079457A CN 101835197 A CN101835197 A CN 101835197A
- Authority
- CN
- China
- Prior art keywords
- transmit port
- packet
- group
- data
- packets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to wireless communication technology, in particular to a method and a device for transmitting and receiving data, which are used for solving the problem that the conventional system subjected to bandwidth improvement possibly cannot transmit or receive data. The method for transmitting the data comprises the steps of: dividing a plurality of the received data packets into a plurality of groups according to the number of transmitting ports and the preset allocation condition, and determining a transmitting port corresponding to each group of data packets; and transmitting each group of data packets through a corresponding transmitting port. By adopting the method for transmitting the data, the system subjected to bandwidth improvement can also normally transmit the data. Therefore, the success rate of transmitting high-capacity data and the utilization rate of the system resources are improved, and the user experience is further improved.
Description
Technical field
The present invention relates to wireless communication technology, method and device that particularly a kind of data send and receive.
Background technology
The protocol stack structure of current LTE (Long Term Evolution, Long Term Evolution) system, as shown in Figure 1.
Among Fig. 1, the LTE system comprises UE (terminal), eNB (base station) and MME (Mobility Management Entity, Mobility Management Entity).
LTE system protocol stack architecture comprises: NAS (Non-Access Stratum, non-access) layer; RRC (Radio Resource Control, Radio Resource control) layer; PDCP (Packet Data ConvergenceProtocol, packet data polymerized agreement) layer; RLC (control of Radio Link Control Radio Link) layer; MAC (Media Access Control, media access control layer) and PHY (Physical, physics) layer.
Further, the protocol stack of UE (terminal) and eNB (base station) can be divided into user's face and chain of command on vertical direction.Chain of command is used for command transmitting and processing signaling, i.e. signaling bear.User's face is used to transmit data and deal with data, i.e. Data-carrying.
When needs send data, signaling or data are placed the ad-hoc location of unit, each layer all encapsulates then.
With the PDCP layer is example:
The PDCP layer of user's face is mainly used to the packet that receives (being user data) is carried out head compression (or separating the head compression) operation, encrypts (or deciphering) operation.The PDCP layer of chain of command is mainly used to the packet that receives (promptly controlling signaling) is encrypted (or deciphering), integrity protection (or integrity verification) operation.
In order to finish functions such as a compression, encryption and integrity protection; PDCP will need data packets for transmission (i.e. Gao Ceng unit) to do respective handling to add the PDCP protocol header then from what high level was received; form the packet (being the unit of PDCP layer) of PDCP layer, and send to low layer.
Present LTE system be that demand according to bandwidth 100Mbps designs.As: the corresponding PDCP entity of a RB (Radio Bearer, the radio bearer) entity of employing, PDCP entity corresponding one or an a pair of RLC entity.
But along with user's the increase and the development of technology, the bandwidth of 100Mbps has been difficult to satisfy the demand of current system, present system is owing to be to design under the demand of 100Mbps bandwidth, if improved bandwidth, the processing speed that needs to improve current hardware could send data smoothly.Because the limitation of hardware on speed, if many (such as 1Gbps) that bandwidth improves, then existing hardware can't be realized, is difficult to send data conditions thereby can cause.
In sum, present system might occur transmitting data conditions after improving bandwidth.
Summary of the invention
The method and apparatus that the embodiment of the invention provides a kind of data to send in order to solve present system after improving bandwidth, the problem of data might occur sending.
The method and apparatus of a kind of Data Receiving that the embodiment of the invention provides in order to solve present system after improving bandwidth, the problem of data might occur receiving.
The method that a kind of data that the embodiment of the invention provides send, this method comprises:
According to the quantity and the predefined distributive condition of transmit port, a plurality of packets of receiving are divided into many groups, and determine every group of packet corresponding sending terminal mouth;
Packet in every group is sent by the corresponding sending terminal mouth.
A kind of method that receives the data of embodiment of the invention transmission that the embodiment of the invention provides, this method comprises:
Receiver side receives the packet from transmitter side from a plurality of receiving ports;
Described receiver side sorts to a plurality of packets that receive according to package identification, forms data flow;
Wherein, if receiver side is the base station, then transmitter side is a terminal; If receiver side is a terminal, then transmitter side is the base station.
A kind of data transmission system that the embodiment of the invention provides, this system comprises:
Transmitting apparatus is used for quantity and predefined distributive condition according to transmit port, and a plurality of packets of receiving are divided into many groups, and determines every group of packet corresponding sending terminal mouth, and the packet in every group is sent by the corresponding sending terminal mouth;
Receiving equipment is used for, according to package identification a plurality of packets that receive being sorted from the packet of a plurality of receiving ports receptions from described transmitting apparatus, forms data flow.
A kind of transmitting apparatus that the embodiment of the invention provides, this transmitting apparatus comprises:
Processing module is used for quantity and predefined distributive condition according to transmit port, and a plurality of packets of receiving are divided into many groups, and determines every group of packet corresponding sending terminal mouth;
Sending module, the packet that is used for every group sends by the corresponding sending terminal mouth.
A kind of receiving equipment that receives the data of embodiment of the invention transmission that the embodiment of the invention provides, this receiving equipment comprises:
Receiver module is used for from the packet of a plurality of receiving ports receptions from transmitting apparatus;
Order module is used for according to package identification, and a plurality of packets that receive are sorted, and forms data flow.
The method that embodiment of the invention data send comprises: according to the quantity and the predefined distributive condition of transmit port, a plurality of packets of receiving are divided into many groups, and determine every group of packet corresponding sending terminal mouth; Packet in every group is sent by the corresponding sending terminal mouth.After packet is divided into groups, send by corresponding port, after system improves bandwidth, also can normally send data, thereby improve the success rate and the usage factor of system resource of transmission of large capacity data, further improved user experience.
The method of embodiment of the invention Data Receiving comprises: receiver side receives the packet from transmitter side from a plurality of receiving ports; Described receiver side sorts to a plurality of packets that receive according to package identification, forms data flow.Because receiving terminal receives data by a plurality of receiving ports, after system improves bandwidth, also can normally receive data, thereby improve the success rate and the usage factor of system resource of transmission of large capacity data, further improved user experience.
Description of drawings
Fig. 1 is the protocol stack structure schematic diagram of LTE system;
Fig. 2 is the structural representation of embodiment of the invention data transmission system;
Fig. 3 A is the structural representation of embodiment of the invention transmitting apparatus;
Fig. 3 B is the structural representation of base station for embodiment of the invention transmitting apparatus;
Fig. 4 is the structural representation of embodiment of the invention receiving equipment;
The method flow schematic diagram that Fig. 5 sends for embodiment of the invention data;
Fig. 6 is the method flow schematic diagram of embodiment of the invention Data Receiving;
Fig. 7 is the structural representation of a plurality of PDCP entities of the embodiment of the invention;
Fig. 8 is the structural representation of a plurality of RLC entities of the embodiment of the invention;
Fig. 9 is the structural representation of a plurality of logic channels of the embodiment of the invention.
Embodiment
The embodiment of the invention is divided into many groups according to the quantity and the predefined distributive condition of transmit port with a plurality of packets of receiving, and determines every group of packet corresponding sending terminal mouth, and the packet in every group is sent by the corresponding sending terminal mouth.After because packet divided into groups, send by corresponding port, after system improves bandwidth, also can the normal transmission data, thus improved the success rate and the usage factor of system resource of transmission of large capacity data.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, embodiment of the invention data transmission system comprises: transmitting apparatus 10 and receiving equipment 20.
Transmitting apparatus 10 is used for quantity and predefined distributive condition according to transmit port, and a plurality of packets of receiving are divided into many groups, and determines every group of packet corresponding sending terminal mouth, and the packet in every group is sent by the corresponding sending terminal mouth.
Receiving equipment 20 is used for, according to package identification a plurality of packets that receive being sorted from the packet of a plurality of receiving ports receptions from transmitting apparatus 10, forms data flow.
If transmitting apparatus 10 is base stations, then receiving equipment 20 is terminals;
If transmitting apparatus 10 is terminals, then receiving equipment 20 is base stations.
As shown in Figure 3A, embodiment of the invention transmitting apparatus comprises: processing module 100 and sending module 110.
Processing module 100 is used for quantity and predefined distributive condition according to transmit port, and a plurality of packets of receiving are divided into many groups, and determines every group of packet corresponding sending terminal mouth.
What wherein, be connected with transmit port can be in PDCP entity, RLC entity and the logic channel one or more.
If what be connected with transmit port is PDCP entity or RLC entity, then processing module 100 is according to the sign of packet and the disposal ability of the entity that is connected with transmit port, the packet of receiving is divided into many groups, the quantity of group is not more than the quantity of transmit port, determines every group of packet corresponding sending terminal mouth.
Wherein, every group of quantity of data packets can satisfy the requirement of the disposal ability of the entity that is connected with this group packet corresponding sending terminal mouth.
Such as 3 ports are arranged, what be connected with 3 ports is the PDCP entity, wherein handle 2 packets at most in the 1st PDCP entity time, handle 3 packets in the 2nd PDCP entity time at most, handle 4 packets in the 3rd PDCP entity time at most.Suppose that one has 9 packets, at this moment need the disposal ability according to PDCP, with the order of 9 packets according to package identification, be divided into 3 groups, one group is that 2 packets, one group are 3 packets, and one group is 4 packets.The group correspondence of 2 packets be the 1st PDCP entity; The group correspondence of 3 packets be the 2nd PDCP entity; The group correspondence of 4 packets be the 3rd PDCP entity.
If the packet number of 3 PCDP entity handles is identical, such as all being 10, suppose that one has 9 packets, at this moment just can be according to the order average packet of package identification, perhaps random packet.
In specific implementation process, package identification can be SN number in the packet.
Such as 3 ports are arranged, what be connected with 3 ports is the PDCP entity, the disposal ability of each PDCP entity can both satisfy the data packet transmission requirement, then can be 1,4 with SN, the allocation of packets of 7... gives the 1st PDCP entity handles, SN is 2,5, the allocation of packets of 8... is given the 2nd PDCP entity handles, and SN is 3,6, the allocation of packets of 9... is given the 3rd PDCP entity handles;
Such as 3 ports are arranged, what be connected with 3 ports is the PDCP entity, the disposal ability of each PDCP entity can both satisfy the data packet transmission requirement, and then can carrying out data traffic to each PDCP entity, to divide timing be unit with the data block, can comprise a plurality of packets in the data block.The data block size that adopts during each PDCP entity assignment of traffic can be different.Dividing the data block unit of timing as: the 1st entity is that to divide the data block unit of timing be that to divide the data block unit of timing be 4 to 3, the 3 entities to 2, the 2 entities.So, SN is that 1,2 allocation of packets is given first entity handles, and SN is that 3,4,5 allocation of packets is given second entity handles, and SN is that 6,7,8,9 allocation of packets is given first entity handles.The subsequent allocations process can and the like.
The ability of entity handles also can be represented with the bandwidth that can support, such as the data that a 500Mbps is arranged, 8 PDCP entities are arranged, the data of the highest support of each PDCP entity 100Mbps, then the data of 500Mbps can be divided into 8 parts, also can inequality be divided into 8 parts, but will guarantee that every piece of data can not be greater than 100Mbps.
If what be connected with transmit port is logic channel, then processing module 100 is according to the sign of packet and the disposal ability of the logic channel that is connected with transmit port, the packet of receiving is divided into many groups, and the quantity of group is not more than the quantity of transmit port, determines every group of packet corresponding sending terminal mouth.
Wherein, what be connected with transmit port is that the method for salary distribution of logic channel is that the method for salary distribution of PDCP entity or RLC entity is similar with what be connected with transmit port, repeats no more.Difference only is that the disposal ability of PDCP entity or RLC entity is to set in advance in processing module 100, or processing module 100 is obtained from given place; And the disposal ability of logic channel is to be determined by the parameter that logic channel reports.
Need to prove that present embodiment is not limited to the above-described method of salary distribution, other can all be suitable for present embodiment according to the quantity of transmit port and the mode of predefined distributive condition.
Sending module 110 is used for every group packet after processing module 100 divisions is sent by the corresponding sending terminal mouth.
Wherein, if the transmitting apparatus of the embodiment of the invention is the base station, then the transmitting apparatus of the embodiment of the invention can further include: determination module 120, and referring to Fig. 3 B.
Determination module 120 is used for determining according to predefined quantity Rule of judgment the quantity of transmit port.
Wherein, predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports.
That is to say that if terminal is supported the quantity of M transmit port at most, then the transmit port quantity of Que Dinging is not more than M.
Suppose that terminal can support 10 transmit ports, work together that this is the quantity that also needs to adjust transmit port but might the current situation of system be difficult to 10 transmit ports of assurance.
Preferable, predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports, and the transmit port quantity of determining satisfies the requirement of the current load condition of requirement and/or system of the current channel conditions of system.
In specific implementation process, the current channel conditions of system is to determine according to the channel condition of each sub-district (or carrier wave) of terminal feedback.
Concrete, if sub-district and terminal room adopt is that the mode of cooperation multiple spot (CoMP) is transmitted,, be defined as the number of cells of Terminal Service then according to the channel condition of each sub-district of terminal feedback, and then the quantity of definite transmit port.
In like manner, determine that according to the channel condition of carrier wave the process of number of transmit port is similar with the process of number of determining transmit port according to the channel condition of sub-district, repeat no more.
In specific implementation process, the current load condition of system is determined according to the operating position of system resource.Such as: the utilization of resources situation on each carrier wave, the utilization of resources situation in each sub-district etc.When determining the quantity of the transmit port that terminal can be supported, surpassed the threshold value of setting if find the utilization of resources of carrier wave (or sub-district), represent that then this carrier wave (or sub-district) can provide the resource of service few for this terminal, at this moment the quantity of the transmit port of Que Dinging just is less than the quantity of the transmit port that terminal can support.
Wherein, if the transmitting apparatus of the embodiment of the invention is the base station, then the transmitting apparatus of the embodiment of the invention can further include: notification module 130.
Notification module 130 was used for before a plurality of packets that processing module 100 will be received are divided into many groups, and the quantity of the transmit port that determination module 120 is determined sends to end side.
Wherein, notification module 130 is according to a kind of quantity that sends definite transmit port in the following manner:
The quantity of transmit port is sent by system broadcasts;
Place the RRC signaling to send the quantity of transmit port;
Place the control data unit to send the quantity of transmit port.
Accordingly, after end side receives corresponding information, from information, extract the quantity of transmit port.The concrete quantity that adopts which kind of mode to send definite transmit port can be informed end side by message by the base station, perhaps carries out in advance setting in network side and end side.
In the specific implementation process, if what be connected with transmit port is logic channel, then the function of processing module 100 and sending module 110 can be finished by the RLC entity.
For the scheme of embodiment of the invention transmission data, the embodiment of the invention has also proposed a kind of scheme that sends the corresponding reception data of scheme of data at the embodiment of the invention.
As shown in Figure 4, embodiment of the invention receiving equipment comprises: receiver module 200 and order module 210.
In specific implementation process, if what be connected with receiving port is the PDCP entity, then the packet that receives of receiver module 200 is from transmitting apparatus, and by the packet after the PDCP entity handles;
If what be connected with receiving port is the RLC entity, then the packet of receiver module 200 receptions is from transmitting apparatus, and by the packet after the RLC entity handles;
If what be connected with receiving port is logic channel, then the packet that receives of receiver module 200 is from transmitting apparatus, and the packet of being submitted by logic channel.
As shown in Figure 5, the method for embodiment of the invention data transmission comprises the following steps:
Step 501, according to the quantity and the predefined distributive condition of transmit port, a plurality of packets of receiving are divided into many groups, and determine every group of packet corresponding sending terminal mouth.
Step 502, the packet in every group is sent by the corresponding sending terminal mouth.
What wherein, be connected with transmit port can be in PDCP entity, RLC entity and the logic channel one or more.
If what be connected with transmit port is PDCP entity or RLC entity, then in the step 501 according to the sign of packet and the disposal ability of the entity that is connected with transmit port, the packet of receiving is divided into many groups, the quantity of group is not more than the quantity of transmit port, determines every group of packet corresponding sending terminal mouth.
Wherein, every group of quantity of data packets can satisfy the requirement of the disposal ability of the entity that is connected with this group packet corresponding sending terminal mouth.
Such as 3 ports are arranged, what be connected with 3 ports is the PDCP entity, and wherein the 1st PDCP entity handled 2 packets at most, and the 2nd PDCP entity handled 3 packets at most, and the 3rd PDCP entity handled 4 packets at most.Suppose that one has 9 packets, at this moment need the disposal ability according to PDCP, with the order of 9 packets according to package identification, be divided into 3 groups, one group is that 2 packets, one group are 3 packets, and one group is 4 packets.The group correspondence of 2 packets be the 1st PDCP entity; The group correspondence of 3 packets be the 2nd PDCP entity; The group correspondence of 4 packets be the 3rd PDCP entity.
If the packet number of 3 PCDP entity handles is identical, such as all being 10, suppose that one has 9 packets, at this moment just can be according to the order average packet of package identification, perhaps random packet.
In specific implementation process, package identification can be SN number in the packet.
Such as 3 ports are arranged, what be connected with 3 ports is the PDCP entity, the disposal ability of each PDCP entity can both satisfy the data packet transmission requirement, then can be 1,4 with SN, the allocation of packets of 7... gives the 1st PDCP entity handles, SN is 2,5, the allocation of packets of 8... is given the 2nd PDCP entity handles, and SN is 3,6, the allocation of packets of 9... is given the 3rd PDCP entity handles;
Such as 3 ports are arranged, what be connected with 3 ports is the PDCP entity, the disposal ability of each PDCP entity can both satisfy the data packet transmission requirement, and then can carrying out data traffic to each PDCP entity, to divide timing be unit with the data block, can comprise a plurality of packets in the data block.The data block size that adopts during each PDCP entity assignment of traffic can be different.Dividing the data block unit of timing as: the 1st entity is that to divide the data block unit of timing be that to divide the data block unit of timing be 4 to 3, the 3 entities to 2, the 2 entities.So, SN is that 1,2 allocation of packets is given first entity handles, and SN is that 3,4,5 allocation of packets is given second entity handles, and SN is that 6,7,8,9 allocation of packets is given first entity handles.The subsequent allocations process can and the like.
The ability of entity handles also can be represented with the bandwidth that can support, such as the data that a 500Mbps is arranged, 8 PDCP entities are arranged, the data of the highest support of each PDCP entity 100Mbps, then the data of 500Mbps can be divided into 8 parts, also can inequality be divided into 8 parts, but will guarantee that every piece of data can not be greater than 100Mbps.
If what be connected with transmit port is logic channel, then in the step 501 according to the sign of packet and the disposal ability of the logic channel that is connected with transmit port, the packet of receiving is divided into many groups, and the quantity of group is not more than the quantity of transmit port, determines every group of packet corresponding sending terminal mouth.
Wherein, what be connected with transmit port is that the method for salary distribution of logic channel is that the method for salary distribution of PDCP entity or RLC entity is similar with what be connected with transmit port, repeats no more.Difference only is that the disposal ability of PDCP entity or RLC entity sets in advance; And the disposal ability of logic channel is to be determined by the parameter that logic channel reports.
Need to prove that present embodiment is not limited to the above-described method of salary distribution, other can all be suitable for present embodiment according to the quantity of transmit port and the mode of predefined distributive condition.
Wherein, the quantity of the transmit port in the embodiment of the invention is determined according to predefined quantity Rule of judgment by network side.
Concrete, predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports.
That is to say that if terminal is supported the quantity of M transmit port at most, then the transmit port quantity of Que Dinging is not more than M.
Suppose that terminal can support 10 transmit ports, work together that this is the quantity that also needs to adjust transmit port but might the current situation of system be difficult to 10 transmit ports of assurance.
Preferable, predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports, and the transmit port quantity of determining satisfies the requirement of the current load condition of requirement and/or system of the current channel conditions of system.
In specific implementation process, the current channel conditions of system is to determine according to the channel condition of each sub-district (or carrier wave) of terminal feedback.
Concrete, if sub-district and terminal room adopt is that the mode of CoMP is transmitted,, be defined as the number of cells of Terminal Service then according to the channel condition of each sub-district of terminal feedback, and then the quantity of definite transmit port.
In like manner, determine that according to the channel condition of carrier wave the process of number of transmit port is similar with the process of number of determining transmit port according to the channel condition of sub-district, repeat no more.
In specific implementation process, the current load condition of system is determined according to the operating position of system resource.Such as: the utilization of resources situation on each carrier wave, the utilization of resources situation in each sub-district etc.When determining the quantity of the transmit port that terminal can be supported, surpassed the threshold value of setting if find the utilization of resources of carrier wave (or sub-district), represent that then this carrier wave (or sub-district) can provide the resource of service few for this terminal, at this moment the quantity of the transmit port of Que Dinging just is less than the quantity of the transmit port that terminal can support.
Wherein, network side also needs to notify end side after the quantity of having determined transmit port, then can further include before the step 501:
Step 500, network side send the quantity of transmit port to end side.
In the step 500, network side is according to a kind of quantity that sends definite transmit port in the following manner:
The quantity of transmit port is sent by system broadcasts;
Place the RRC signaling to send the quantity of transmit port;
Place the control data unit to send the quantity of transmit port.
Accordingly, after end side receives corresponding information, from information, extract the quantity of transmit port.The concrete quantity that adopts which kind of mode to send definite transmit port can be informed end side by message by the base station, perhaps carries out in advance setting in network side and end side.
As shown in Figure 6, the method for embodiment of the invention Data Receiving comprises the following steps:
Wherein, if receiver side is the base station, then transmitter side is a terminal; If receiver side is a terminal, then transmitter side is the base station.
In specific implementation process, if what be connected with receiving port is the PDCP entity, then the packet that receives in the step 600 is from transmitting apparatus, and by the packet after the PDCP entity handles;
If what be connected with receiving port is the RLC entity, then the packet that receives in the step 600 is from transmitting apparatus, and by the packet after the RLC entity handles;
If what be connected with receiving port is logic channel, then the packet that receives in the step 600 is from transmitting apparatus, and the packet of being submitted by logic channel.
Wherein, because the limitation of the protocol stack structure of prior LTE system, for the LTE-A system, if also adopt the protocol stack structure of LTE system, because the bandwidth increase of LTE-A system can cause the situation of data transmission fails, if and the mode that this transmission embodiment transmits and receive data is applied to the LTE-A system, then can reduce the situation of data transmission fails.
Concrete have three kinds of modes:
Mode one: the quantity that in the PDCP layer, increases the PDCP entity.
Increase a Distribution Layer (or distribution module) in the middle of rrc layer and PDCP layer, and increase a plurality of PDCP entities, each PDCP entity is different transmit port of correspondence all, and is connected with Distribution Layer by transmit port.Distribution Layer (or distribution module) can adopt the mode in the embodiment of the invention that the upper layer data bag of receiving is divided into groups and send to the PDCP entity by transmit port.
Each PDCP entity just can carry out head compression (or separating the head compression) operation, encrypt (or deciphering) operation etc. after receiving packet.
So just realized the corresponding a plurality of PDCP entities of a RB, concrete structure can be referring to Fig. 7.
Receiver side adopts and mode one similar mode too, i.e. corresponding a plurality of PDCP entities of RB, and difference is that the function of the Distribution Layer (or distribution module) that increases is that the packet that will receive sorts according to package identification, sends to the upper strata then.
Mode two, the quantity of RLC entity of increasing at rlc layer.
At PDCP layer and the middle increase of the rlc layer Distribution Layer (or distribution module) identical with the PDCP physical quantities, and increase a plurality of RLC entities, wherein each PDCP entity is all corresponding with a Distribution Layer (or distribution module), each RLC entity is different transmit port of correspondence all, and is connected with Distribution Layer (or distribution module) by transmit port.The corresponding a plurality of transmit ports of a Distribution Layer (or distribution module), Distribution Layer (or distribution module) can adopt the mode in the embodiment of the invention to divide into groups from the packet of PDCP entity and send to the RLC entity by transmit port.
So just realized the corresponding a plurality of RLC entities of a PDCP entity, concrete structure can be referring to Fig. 8.
Each RLC entity just can carry out the first-class operation of wrapper etc. after receiving packet.
Receiver side adopts and mode two similar modes too, i.e. corresponding a plurality of RLC entities of PDCP entity, and difference is that the function of the Distribution Layer (or distribution module) that increases is that the packet that will receive sorts according to package identification, sends to the upper strata then.
The quantity of the logic channel of mode three, increase rlc layer correspondence.
At rlc layer and the middle increase of the logic channel Distribution Layer (or distribution module) identical with the RLC physical quantities, and increase a plurality of logic channels, wherein each RLC entity is all corresponding with a Distribution Layer (or distribution module), each logic channel is different transmit port of correspondence all, and is connected with Distribution Layer (or distribution module) by transmit port.The corresponding a plurality of transmit ports of a Distribution Layer (or distribution module), Distribution Layer (or distribution module) can adopt the mode in the embodiment of the invention to divide into groups from the packet of PDCP entity and send to logic channel by transmit port.
The corresponding a plurality of logic channels of a RLC entity have so just been realized.
Receiver side adopts and mode three similar modes too, i.e. corresponding a plurality of logic channels of RLC entity, and difference is that the function of the Distribution Layer (or distribution module) that increases is that the packet that will receive sorts according to package identification, sends to the upper strata then.
For mode three, can also not increase the Distribution Layer (or distribution module) identical, but allow the RLC entity finish the function of Distribution Layer (or distribution module) with the RLC physical quantities at rlc layer and logic channel centre, concrete structure can be referring to Fig. 9.
Concrete, increasing a plurality of logic channels, each logic channel is different transmit port of correspondence all, and is connected with the RLC entity by transmit port.The corresponding a plurality of transmit ports of RLC entity, the RLC entity can adopt the mode in the embodiment of the invention to divide into groups from the packet of PDCP entity and send to logic channel by transmit port.
The same so corresponding a plurality of logic channels of a RLC entity of having realized.
In specific implementation process, can select a kind of mode in employing mode one, mode two, the mode three as required still is multiple mode.That is to say that three kinds of modes not necessarily all will adopt, only adopt a kind of situation that just can reduce data transmission fails wherein; If the employing dual mode can further reduce the situation of data transmission fails; Preferably three kinds of modes all adopt.
Need to prove that the mode that transmitter side and receiver side adopt must be consistent, adopt mode one such as transmitter side, i.e. corresponding a plurality of PDCP entities of RB, then receiver side also will adopt the mode of a plurality of PDCP entities of RB correspondence; Transmitter side adopts mode two, i.e. the mode of the corresponding a plurality of RLC entities of PDCP entity, and then receiver side also will adopt the mode of the corresponding a plurality of RLC entities of a PDCP entity.
From the foregoing description as can be seen: the method that embodiment of the invention data send comprises: according to the quantity and the predefined distributive condition of transmit port, a plurality of packets of receiving are divided into many groups, and determine every group of packet corresponding sending terminal mouth; Packet in every group is sent by the corresponding sending terminal mouth.After packet is divided into groups, send by corresponding port, after system improves bandwidth, also can normally send data, thereby improve the success rate and the usage factor of system resource of transmission of large capacity data, further improved user experience.
The method of embodiment of the invention Data Receiving comprises: receiver side receives the packet from transmitter side from a plurality of receiving ports; Described receiver side sorts to a plurality of packets that receive according to package identification, forms data flow.Because receiving terminal receives data by a plurality of receiving ports, after system improves bandwidth, also can normally receive data, thereby improve the success rate and the usage factor of system resource of transmission of large capacity data, further improved user experience.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (16)
1. the method that sends of data is characterized in that this method comprises:
According to the quantity and the predefined distributive condition of transmit port, a plurality of packets of receiving are divided into many groups, and determine every group of packet corresponding sending terminal mouth;
Packet in every group is sent by the corresponding sending terminal mouth.
2. the method for claim 1 is characterized in that, the quantity of described transmit port is determined according to predefined quantity Rule of judgment by network side.
3. method as claimed in claim 2 is characterized in that, described predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports; Or
Described predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports, and the transmit port quantity of determining satisfies the requirement of the current load condition of requirement and/or system of the current channel conditions of system.
4. the method for claim 1, it is characterized in that, if what be connected with transmit port is packet data polymerized agreement PDCP entity or Radio Link control RLC entity, the described a plurality of packets that will receive are divided into many groups, and determine that every group of packet corresponding sending terminal mouth comprises:
According to the sign of packet and the disposal ability of the entity that is connected with transmit port, the packet of receiving is divided into many groups, the quantity of group is not more than the quantity of transmit port;
Determine every group of packet corresponding sending terminal mouth, wherein every group of quantity of data packets can satisfy the requirement of the disposal ability of the entity that is connected with this group packet corresponding sending terminal mouth.
5. the method for claim 1 is characterized in that, if what be connected with transmit port is logic channel, the described a plurality of packets that will receive are divided into many groups, and determine that every group of packet corresponding sending terminal mouth comprises:
According to the sign of packet and the disposal ability of the logic channel that is connected with transmit port, the packet of receiving is divided into many groups, the quantity of group is not more than the quantity of transmit port;
Determine every group of packet corresponding sending terminal mouth, wherein every group of quantity of data packets can satisfy the requirement of the disposal ability of the logic channel that is connected with this group packet corresponding sending terminal mouth.
6. method as claimed in claim 2 is characterized in that, the described a plurality of packets that will receive also comprise before being divided into many groups:
Network side sends the quantity of transmit port to end side.
7. method as claimed in claim 6 is characterized in that, according to a kind of quantity that sends described transmit port in the following manner:
The quantity of described transmit port is sent by system broadcasts;
Place the radio resource control RRC signaling to send the quantity of described transmit port;
Place the control data unit to send the quantity of described transmit port.
8. method that receives the data that claim 1 sends is characterized in that this method comprises:
Receiver side receives the packet from transmitter side from a plurality of receiving ports;
Described receiver side sorts to a plurality of packets that receive according to package identification, forms data flow;
Wherein, if receiver side is the base station, then transmitter side is a terminal; If receiver side is a terminal, then transmitter side is the base station.
9. a data transmission system is characterized in that, this system comprises:
Transmitting apparatus is used for quantity and predefined distributive condition according to transmit port, and a plurality of packets of receiving are divided into many groups, and determines every group of packet corresponding sending terminal mouth, and the packet in every group is sent by the corresponding sending terminal mouth;
Receiving equipment is used for, according to package identification a plurality of packets that receive being sorted from the packet of a plurality of receiving ports receptions from described transmitting apparatus, forms data flow.
10. a transmitting apparatus is characterized in that, this transmitting apparatus comprises:
Processing module is used for quantity and predefined distributive condition according to transmit port, and a plurality of packets of receiving are divided into many groups, and determines every group of packet corresponding sending terminal mouth;
Sending module, the packet that is used for every group sends by the corresponding sending terminal mouth.
11. transmitting apparatus as claimed in claim 10 is characterized in that, if what be connected with transmit port is packet data polymerized agreement PDCP entity or Radio Link control RLC entity, described processing module is used for:
According to the sign of packet and the disposal ability of the entity that is connected with transmit port, the packet of receiving is divided into many groups, the quantity of group is not more than the quantity of transmit port;
Determine every group of packet corresponding sending terminal mouth, wherein every group of quantity of data packets can satisfy the requirement of the disposal ability of the entity that is connected with this group packet corresponding sending terminal mouth;
If what be connected with transmit port is logic channel, described processing module is used for:
According to the sign of packet and the disposal ability of the logic channel that is connected with transmit port, the packet of receiving is divided into many groups, the quantity of group is not more than the quantity of transmit port;
Determine every group of packet corresponding sending terminal mouth, wherein every group of quantity of data packets can satisfy the requirement of the disposal ability of the logic channel that is connected with this group packet corresponding sending terminal mouth.
12. transmitting apparatus as claimed in claim 10 is characterized in that, if described transmitting apparatus is the base station, described transmitting apparatus also comprises:
Determination module is used for determining according to predefined quantity Rule of judgment the quantity of described transmit port.
13. transmitting apparatus as claimed in claim 12 is characterized in that, described predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports; Or
Described predefined quantity Rule of judgment is the quantity that the transmit port quantity determined is not more than the transmit port that terminal supports, and the transmit port quantity of determining satisfies the requirement of the current load condition of requirement and/or system of the current channel conditions of system.
14. transmitting apparatus as claimed in claim 12 is characterized in that, described transmitting apparatus also comprises:
Notification module was used for before a plurality of packets that described processing module will be received are divided into many groups, and the quantity of the transmit port that described determination module is definite sends to end side.
15. transmitting apparatus as claimed in claim 14 is characterized in that, described notification module is according to a kind of quantity that sends described transmit port in the following manner:
The quantity of described transmit port is sent by system broadcasts;
Place the radio resource control RRC signaling to send the quantity of described transmit port;
Place the control data unit to send the quantity of described transmit port.
16. a receiving equipment that receives the data of claim 10 transmission is characterized in that this receiving equipment comprises:
Receiver module is used for from the packet of a plurality of receiving ports receptions from transmitting apparatus;
Order module is used for according to package identification, and a plurality of packets that receive are sorted, and forms data flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910079457A CN101835197A (en) | 2009-03-11 | 2009-03-11 | Method and device for transmitting and receiving data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910079457A CN101835197A (en) | 2009-03-11 | 2009-03-11 | Method and device for transmitting and receiving data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101835197A true CN101835197A (en) | 2010-09-15 |
Family
ID=42719084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910079457A Pending CN101835197A (en) | 2009-03-11 | 2009-03-11 | Method and device for transmitting and receiving data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101835197A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102958102A (en) * | 2011-08-22 | 2013-03-06 | 中兴通讯股份有限公司 | RLC (radio link control) distribution transmission method and RLC distribution transmission system |
| CN104427640A (en) * | 2013-08-25 | 2015-03-18 | 联芯科技有限公司 | Information sending and receiving method, device and transmission system |
| CN104704533A (en) * | 2012-10-09 | 2015-06-10 | 联发科技股份有限公司 | Data processing apparatus for configuring display interface based on compression characteristic of compressed display data and related data processing method |
| WO2017004814A1 (en) * | 2015-07-08 | 2017-01-12 | 华为技术有限公司 | User equipment and network side equipment, and method of determining processing mode for data packet |
-
2009
- 2009-03-11 CN CN200910079457A patent/CN101835197A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102958102A (en) * | 2011-08-22 | 2013-03-06 | 中兴通讯股份有限公司 | RLC (radio link control) distribution transmission method and RLC distribution transmission system |
| CN102958102B (en) * | 2011-08-22 | 2017-09-29 | 中兴通讯股份有限公司 | A kind of RLC shunting transmission methods and system |
| CN104704533A (en) * | 2012-10-09 | 2015-06-10 | 联发科技股份有限公司 | Data processing apparatus for configuring display interface based on compression characteristic of compressed display data and related data processing method |
| US9633624B2 (en) | 2012-10-09 | 2017-04-25 | Mediatek Inc. | Data processing apparatus for transmitting/receiving compression-related indication information via display interface and related data processing method |
| US9773469B2 (en) | 2012-10-09 | 2017-09-26 | Mediatek Inc. | Data processing apparatus with adaptive compression/de-compression algorithm selection for data communication over display interface and related data processing method |
| CN104427640A (en) * | 2013-08-25 | 2015-03-18 | 联芯科技有限公司 | Information sending and receiving method, device and transmission system |
| CN104427640B (en) * | 2013-08-25 | 2017-11-10 | 联芯科技有限公司 | The method, apparatus and transmission system that a kind of information sends and receives |
| WO2017004814A1 (en) * | 2015-07-08 | 2017-01-12 | 华为技术有限公司 | User equipment and network side equipment, and method of determining processing mode for data packet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3644645B1 (en) | Method and device for efficient communication in next generation mobile communication system | |
| US11202279B2 (en) | Method and apparatus for processing data in wireless communication system | |
| CN102934380B (en) | For activating the method and apparatus of carrier wave in mobile communication system | |
| US11843969B2 (en) | Method and device for processing buffer state report in wireless communication system using inter-eNB carrier aggregation technology | |
| CN102655448B (en) | Data transmission method for medium access control layer of long-term evolution system | |
| EP2145436B1 (en) | Methods of generating a data block in a mobile communication system | |
| CN104412532A (en) | Method and apparatus for transceiving data using plurality of carriers in mobile communication system | |
| KR20130100674A (en) | Mobile system and method for controlling packet thereof | |
| US11943611B2 (en) | Method and apparatus for identifying security key in next generation mobile communication system | |
| US20210367899A1 (en) | Method and apparatus for processing data in wireless communication system | |
| CN102055552B (en) | Method for transmitting control information, method and device for receiving control information | |
| CN107079382A (en) | The method and apparatus for supporting multi radio access technology | |
| EP3879780A1 (en) | Method and device for identifying security key based on pdcp layer device in next-generation mobile communication system | |
| US20240129795A1 (en) | Method and device for identifying security key based on pdcp layer device in next-generation mobile communication system | |
| CN101351033B (en) | Data multiplexing method capable of enhancing up access system through multi-carrier | |
| CN101835197A (en) | Method and device for transmitting and receiving data | |
| CN101945440B (en) | Data transmission processing method and system | |
| CN108631962B (en) | Repeating data transmission method and communication equipment | |
| CN101827341B (en) | Unit format indication method, system and device | |
| CN113767671A (en) | Method and apparatus for handover without interruption of data transmission and reception in next generation mobile communication system | |
| CN102510576B (en) | Resource allocation method and base station | |
| CN101420753B (en) | Apparatus and method for base station terminal data transmission in LTE system | |
| KR20200033081A (en) | Method and apparatus for identifying security key in next generation communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 29, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100191 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20110422 Address after: 100191 Haidian District, Xueyuan Road, No. 40, Applicant after: Inst of Telecommunication Science and Technolgoy Address before: 100083 Haidian District, Xueyuan Road, No. 29, Applicant before: Datang Mobile Communication Equipment Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100915 |