CN102695213B - Joint transmission method and system - Google Patents
Joint transmission method and system Download PDFInfo
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- CN102695213B CN102695213B CN201110069665.4A CN201110069665A CN102695213B CN 102695213 B CN102695213 B CN 102695213B CN 201110069665 A CN201110069665 A CN 201110069665A CN 102695213 B CN102695213 B CN 102695213B
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- user equipment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
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- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of joint transmission method and system, this method includes：The access network elements of first access network and the access network elements of the second access network consult the activationary time of user equipment, and wherein activationary time is used for user equipment using time-multiplexed mode respectively by the access network elements and the access network elements progress joint transmission of the second access network of the first access network；The access network elements of first access network send activationary time to user equipment.Present invention can ensure that the user equipment of single radio frequency transceiver carries out joint transmission, so as to improve message transmission rate.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of joint transmission method and system.
Background technology
Fig. 1 is the schematic diagram of the 3GPP access system frameworks according to correlation technique, as shown in figure 1,3GPP access systems
Organization Chart includes wireless access mesh portions and core network part, and wherein wireless access mesh portions include GSM EDGE wireless access networks
(GSM EDGE Radio Access Network, referred to as GERAN), UMTS (Universal Mobile
Telecommunications System, referred to as UMTS) access network and Long Term Evolution (Long-Term Evolution, letter
Referred to as LTE) access network.Specifically, GERAN and UMTS access network is engaged in propping up with core network element service universal packet wireless business
Point (Serving General Packet Radio Service Supporting Node, referred to as SGSN) of serving as a diplomatic envoy is connected,
LTE access network and core network element mobility management entity (Mobility Management Entity, abbreviation MME) phase
Even.GERAN refers to base station sub-system (Base Station Subsystem, referred to as BSS), including base station controller (Base
Station Controller, referred to as BSC) and base station (Base Station, referred to as BS)；UMTS access network elements bag
Include radio network controller (Radio Network Controller, referred to as RNC) and base station (NodeB)；LTE access network
Network element is evolution base station (Evolved NodeB, referred to as eNB).In order to ensure the user equipment (User of connected state
Equipment, referred to as UE) can freely it be moved between different access systems, S3 is had between SGSN and MME and is connect
Mouthful, the interface can realize switching of the terminal between different access systems.
In order to realize higher transmission rate, 3GPP proposes carrier aggregation, and (Carrier Aggregation are referred to as
CA technical scheme), using multiple carrier waves (or multiple serving cells) while being user equipment service.Existing carrier aggregation side
Case is mainly provided for user equipment and 2 or more than 2 is utilized in service, such as UMTS simultaneously using multiple carrier waves in triangular web
Carrier wave simultaneously with user equipment keep communicate, or in LTE using 2 or more than 2 carrier wave and meanwhile with user equipment guarantor
Hold communication.But in actual network, due to the limitation of carrier frequency quantity, some mobile operator do not have enough frequencies
Multiple UMTS and LTE system are disposed simultaneously, and mobile operator can adjust UMTS and LTE according to the number of user equipment of access network
Carrier frequency number.
Due to UMTS system and LTE system meeting long-term co-existence, when the capacity (limitation of carrier frequency) of individual system is not enough to carry
During for high transmission rate, generally using the scheme of different system combined transmission, this carrier wave for being referred to as cross-system gathers
Close.Fig. 2 is the schematic diagram of the joint transmission according to correlation technique, as shown in Fig. 2 user equipment is simultaneously using two kinds of access skills
Art, establishing two wireless links is used to transmit data, and this can not only obtain higher handling capacity, and can reach preferably
Load balancing effect.Before the scheme without use joint transmission, load balancing between system can only by switching, again
The method of orientation is implemented, if using the scheme of joint transmission, network side can be dynamic according to the loads of different access systems
The transmission rate of each user equipment on different links is adjusted, load balancing can be preferably realized.
If user equipment uses the scheme of joint transmission, the user equipment is usually required while supporting two kinds of access technologies
Hardware and software.But, existing user equipment only has a set of radio frequency transceiver, and single radio frequency transceiver user equipment can only
The signal of one system of reception can only send signal to a system, so that joint transmission can not be used.
The content of the invention
It can not be used for the user equipment of single radio frequency transceiver in correlation technique the problem of joint transmission and propose this hair
It is bright, therefore, it is a primary object of the present invention to provide a kind of joint transmission method and system, to solve the above problems.
To achieve these goals, according to an aspect of the invention, there is provided a kind of joint transmission method.
Included according to the joint transmission method of the present invention：The access of the access network elements of first access network and the second access network
Network element consults the activationary time of user equipment, and wherein activationary time is led to respectively for user equipment using time-multiplexed mode
Cross the access network elements of the first access network and the access network elements of the second access network carry out joint transmission；The access of first access network
Network element sends activationary time to user equipment.
Further, activationary time includes at least one of：The initial time that activates in the first access network, second
The initial time activated in access network, the duration activated in the first access network, the duration activated in the second access network, activation
Cycle.
Further, the access network elements of the first access network and the access network elements of the second access network include it is following it
One：The base station of long evolving system, the radio network controller of UMTS, the base of UMTS
Stand, the base station controller of global mobile communication enhanced data rates global mobile communication evolution technology wireless access network system.
Further, the access network elements of the first access network and the access network elements of the second access network consult user equipment
Activationary time includes：The access network elements of first access network are according to the business demand of user equipment, and according to user equipment only
Possess the ability information communicated in the single time with single access network, user is consulted with the access network elements of the second access network
The activationary time of equipment.
To achieve these goals, according to an aspect of the present invention, a kind of joint transmission method is additionally provided.
Included according to the joint transmission method of the present invention：User equipment receives the access network elements from the first access network
Activationary time, wherein user equipment only possesses the ability communicated in the single time with single access network, and activationary time is
Consulted by the access network elements of the first access network and the access network elements of the second access network；When user equipment is according to activation
Between, using time-multiplexed mode, pass through the access network elements and the access network elements of the second access network of the first access network respectively
Carry out joint transmission.
Further, activationary time includes at least one of：The initial time that activates in the first access network, second
The initial time activated in access network, the duration activated in the first access network, the duration activated in the second access network, activation
Cycle.
Further, in the case where activationary time does not include the initial time of activation, user equipment is receiving activation
Joint transmission is proceeded by while time.
Further, the access network elements of the first access network and the access network elements of the second access network include it is following it
One：The base station of long evolving system, the radio network controller of UMTS, the base of UMTS
Stand, the base station controller of global mobile communication enhanced data rates global mobile communication evolution technology wireless access network system.
To achieve these goals, there is provided a kind of joint transmission system according to another aspect of the present invention.
According to access network elements of the joint transmission system of the present invention including the first access network, the access network of the second access network
Network element and user equipment, wherein the access network elements of the first access network include：Negotiation module, for the access with the second access network
Network element consults the activationary time of user equipment, and wherein activationary time is led to respectively for user equipment using time-multiplexed mode
Cross the access network elements of the first access network and the access network elements of the second access network carry out joint transmission；Sending module, for
User equipment sends activationary time.
To achieve these goals, according to another aspect of the present invention, a kind of joint transmission system is additionally provided.
According to access network elements of the joint transmission system of the present invention including the first access network, the access network of the second access network
Network element and user equipment, wherein user equipment include：Receiving module, for receiving the access network elements from the first access network
Activationary time, wherein user equipment only possess the ability communicated in the single time with single access network, and activationary time is logical
Cross the first access network access network elements and the second access network access network elements consult；Joint transmission module, for basis
Activationary time, using time-multiplexed mode, the respectively access network elements by the first access network and the access of the second access network
Network element carries out joint transmission.
To achieve these goals, according to another aspect of the present invention, a kind of joint transmission system is provided again.
According to access network elements of the joint transmission system of the present invention including the first access network, the access network of the second access network
Network element and user equipment, wherein the access network elements of the first access network include：Negotiation module, for the access with the second access network
Network element consults the activationary time of user equipment, and wherein activationary time is led to respectively for user equipment using time-multiplexed mode
Cross the access network elements of the first access network and the access network elements of the second access network carry out joint transmission；Sending module, for
User equipment sends activationary time；User equipment includes：Receiving module, for receiving the access network elements from the first access network
Activationary time, wherein user equipment only possesses the ability communicated in the single time with single access network, and activationary time is
Consulted by the access network elements of the first access network and the access network elements of the second access network；Joint transmission module, for root
According to activationary time, using time-multiplexed mode, pass through the access network elements of the first access network and connecing for the second access network respectively
Network element carries out joint transmission.
By the present invention in that with consult activationary time, it is ensured that the user equipment of single radio frequency transceiver is combined
Transmission, so as to improve message transmission rate.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the 3GPP access system frameworks according to correlation technique；
Fig. 2 is the schematic diagram of the joint transmission according to correlation technique；
Fig. 3 is the flow chart of according to embodiments of the present invention one joint transmission method；
Fig. 4 is the flow chart of according to embodiments of the present invention two joint transmission method；
Fig. 5 is the interaction diagrams of the joint transmission method according to the preferred embodiment of the present invention one；
Fig. 6 is the schematic diagram of the joint transmission method according to the preferred embodiment of the present invention one；
Fig. 7 is the structured flowchart of according to embodiments of the present invention one joint transmission system；
Fig. 8 is the structured flowchart of according to embodiments of the present invention two joint transmission system；
Fig. 9 is the structured flowchart of according to embodiments of the present invention three joint transmission system.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The embodiments of the invention provide a kind of joint transmission method.Fig. 3 is according to embodiments of the present invention one joint transmission
The flow chart of method, as shown in figure 3, including steps S302 to step S304.
The access network elements of step S302, the access network elements of the first access network and the second access network consult user equipment
Activationary time, wherein activationary time pass through the access network of the first access network respectively for user equipment using time-multiplexed mode
Network element and the access network elements of the second access network carry out joint transmission.
Step S304, the access network elements of the first access network send activationary time to user equipment.
In correlation technique, the user equipment of single radio frequency transceiver can not use joint transmission.In the embodiment of the present invention, pass through
Use the activationary time of negotiation, it is ensured that the user equipment of single radio frequency transceiver carries out joint transmission, so as to improve data
Transmission rate.
It should be noted that the access network elements of first access network and the access network elements of the second access network are consulted to use
The activationary time of family equipment includes：The access network elements of first access network are sent out to the access network elements of second access network
Send the activationary time；Or, the access network elements of second access network are sent out to the access network elements of first access network
Send the activationary time；Or, the access network elements of first access network are sent out to the access network elements of second access network
Activationary time is sent, the access network elements of second access network change the activationary time, then to first access network
Access network elements send amended activationary time.
Preferably, activationary time includes at least one of：The initial time that activates in the first access network, connect second
The initial time that is activated in networking, the duration activated in the first access network, the duration activated in the second access network, activation
Cycle.
Preferably, the access network elements of the first access network and the access network elements of the second access network include one below：
It is the base station of long evolving system, the radio network controller of UMTS, the base station of UMTS, complete
The base station controller of ball mobile communication enhanced data rates global mobile communication evolution technology wireless access network system.
Preferably, the access network elements of the first access network and the access network elements of the second access network consult swashing for user equipment
Live time includes：The access network elements of first access network only have according to the business demand of user equipment, and according to user equipment
The standby ability information communicated in the single time with single access network, consults user with the access network elements of the second access network and sets
Standby activationary time.
The embodiments of the invention provide a kind of joint transmission method.Fig. 4 is according to embodiments of the present invention two joint transmission
The flow chart of method, as shown in figure 4, including steps S402 to step S404.
Step S402, user equipment receives the activationary time of the access network elements from the first access network, wherein user
Equipment only possesses the ability communicated in the single time with single access network, and activationary time is the access by the first access network
What network element and the access network elements of the second access network were consulted.
Step S404, user equipment, using time-multiplexed mode, passes through the first access network respectively according to activationary time
Access network elements and the access network elements of the second access network carry out joint transmission.
Preferably, activationary time includes at least one of：The initial time that activates in the first access network, connect second
The initial time that is activated in networking, the duration activated in the first access network, the duration activated in the second access network, activation
Cycle.
Preferably, in the case where activationary time does not include the initial time of activation, user equipment is when receiving activation
Between while proceed by joint transmission.
Preferably, the access network elements of the first access network and the access network elements of the second access network include one below：
It is the base station of long evolving system, the radio network controller of UMTS, the base station of UMTS, complete
The base station controller of ball mobile communication enhanced data rates global mobile communication evolution technology wireless access network system.
The implementation process of the embodiment of the present invention is described in detail below in conjunction with example.
Preferred embodiment one
UE1 by UMTS system access network be in connection status, the jurisdiction district 1 of UE1 access base stations 1, base station 1 is by RNC
Administration.The cell 2 for having identical covering with cell 1 is administered by base station 2, and base station 2 belongs to LTE system.
In the umts system, Iub interface is had between RNC and base station 1.Because RNC may be implemented with the base station 2 in LTE
New interface is established between joint transmission, therefore RNC and base station 2, for transmitting data and control signaling.RNC and base station 2 it
Between interface set up can be by operation and maintenance (Operation ＆ Maintenance) server implementation.
UE1 has been set up a data radio bearer (Data Radio Bearer, referred to as DRB), and DRB1 is used herein
Represent.Business demand new due to having UE1, it is desirable to set up DRB2, cell higher yet with the transmission rate required by DRB2
1 available resources can not meet DRB2 requirement.RNC is determined by the way of joint transmission, is built by the Radio Resource of cell 2
Vertical DRB2, RNC have found that the user equipment only has a set of radio frequency transceiver, therefore according to the UE1 obtained ability information
RNC is the joint transmission mode that UE1 configuring time divisions are multiplexed.
Fig. 5 is the interaction diagrams of the joint transmission method according to the preferred embodiment of the present invention one, as shown in figure 5, including
Steps S501 to step S504.
Step S501, RNC send building for new Data Radio Bearer DRB2 by the interface between base station 2 to base station 2
Vertical request, includes DRB2 QoS parameter (Quality of Service), so that base station 2 can be reasonable in the request
Distributing radio resource.RNC only has a set of radio frequency transceiver in view of UE1, therefore also includes using different in request is set up
The time division information of access technology, can be specifically to indicate the temporal information (or sub-frame information) that UE1 is activated in umts, and refer to
The temporal information (or sub-frame information) that bright UE1 is activated in LTE.
Fig. 6 is the schematic diagram of the joint transmission method according to the preferred embodiment of the present invention one, as shown in fig. 6, UE1 is in UMTS
Middle activationary time is 10 milliseconds, and UE1 activationary times in LTE are back to back 10 milliseconds.It should be noted that only being said in Fig. 6
It is bright to be directed to descending reception, in fact it is also suitable for the up transmissions of UE.
Herein it should be noted that having been realized in synchronous between RNC and base station 2, or the radio frames of other side have been known
Original position.
Step S502, base station 2 is received after DRB2 foundation request, is UE1 distribution resources, it is wireless that such as distribution needs are monitored
Network Temporary Identifier RNTI (Radio Network Temporary Identifier), sets up what is included in request while preserving
Activationary time information is so as in the suitable time scheduling UE1.Base station 2 returns to RNC and responded, the resource parameters comprising distribution.
Step S503, RNC is received after the response that base station 2 is sent, to UE1 transmission dedicated signalings, wherein being comprising base station 2
The resource parameters of UE1 distribution, and the temporal information activated in two systems.
Step S504, UE1 is received after the dedicated signaling that RNC is sent, using the configuration.UE1 can select to protect with RNC first
10 milliseconds of communication is held, then keeps communicating with base station 2 at back to back 10 milliseconds.Because UE1 has obtained the distribution of base station 2
Resource, can realize the transmission of signaling and data with base station 2.
Herein it should be noted that after RNC receives the response that base station 2 is sent, needing to set up between RNC and base station 2 and closing
In UE1 data transmission channel, including uplink and downlink, while RNC sends descending packet to base station 2, so that base station 2 exists
There are enough downlink data transmissions when being communicated with UE1.
So far, UE1 can jointly be communicated using time-multiplexed mode with UMTS system and LTE system, be existed respectively
Different DRB data are transmitted in different systems.Network side by this method, can effectively implement load balancing, can
In real time according to the load of different system, different Data Radio Bearer is directed to and loads light system.
The present embodiment also has other implementations, is contained in step S501 foundation request using different access skills
The time division information of art, base station 2 can make modification to this in step S502, then inform RNC most by returning to response to RNC
After consult successful time division information；Or,
Do not have in step S501 foundation request comprising the time division information using different access technologies, base station 2 is received please
After asking, the temporal information activated in LTE system is assigned with, the temporal information of distribution is included in the response then returned to RNC,
RNC determines the temporal information activated in the umts system after receiving.
In the present embodiment, UE1 applies time-multiplexed configuration information immediately in step S504, and UE1 can also be pre-
Start to apply time-multiplexed configuration information after a period of time of definition, such as UE1 is at next radio frames (Radio Frame)
Initial time start apply time-multiplexed configuration information；Or UE1 is in (the System Frame of System Frame Number next time
Number) be 0 when start apply time-multiplexed configuration information.
In the present embodiment, UE1 in step S504, successively with UMTS, LTE system keep communicate, UE1 can also first with
LTE system keeps communication, then keeps communicating with UMTS system.Or in step S504, UE1 is only configured in individual system
The time and cycle of activation, the time that such as configuration UE1 is activated in the umts system is 10 milliseconds, and the cycle is 20 milliseconds, UE1
After receiving, still it then can keep communicating with base station 2 as kept communicating with RNC first in step S504.UE1 with UMTS
When system and LTE system communicate respectively, UE1 radio frequency transceiver needs to switch between two frequencies, and this needs extra one section
Time, the present embodiment is referred to as frequency switching time, and the length of frequency switching time depends on hardware, and agreement can be with prespecified
The frequency switching time of one minimum requirements, UE1 from a system be transformed into another system when, it is necessary to consider this time
Influence, such as UE1 goes to LTE system from UMTS system, when the total time activated in LTE system needs to include frequency conversion
Between.If UE1 radio frequency processing performance is very excellent, i.e., frequency switching time is far below 1 millisecond, and the conversion time does not have to communication
Have an impact, then terminal can ignore influence of the frequency switching time to communication in transition between systems.
Keep communicating with RNC it should be noted that UE1 only has half the time in 20 milliseconds of cycle, RNC or UE1 can
First to store the data for needing to transmit, in the Time Transmission data that can be transmitted；Or RNC can reconfigure the expansion that UE1 is used
The spreading factor originally used, is such as reduced half by the frequency factor, then RNC or UE1 can be original using 10 milliseconds of Time Transmission
20 milliseconds of data that could be transmitted are needed, therefore using after time-multiplexed mode, UE1 can not be reduced in the umts system
Transmission rate.
Present embodiment describes the scene that user equipment only has a set of radio frequency transceiver, in fact for possessing many set radio frequencies
The user equipment of transceiver, it would however also be possible to employ the method described in the present embodiment, for this kind of user equipment, is only received with a set of radio frequency
Hair machine can save power consumption.
Preferred embodiment two
User equipment (UE) 2 is in connection status, the jurisdiction district 3 of UE2 access base stations 3 by LTE system access network.UMTS
In base station 4 administered by RNC.The jurisdiction district 4 of base station 4 and the covering area overlapping of cell 3.
UE2 has been set up a data radio bearer DRB (Data Radio Bearer), is represented herein with DRB1.By
Very big in UE2 real-time Transmission speed, base station 3 meets UE2 without enough resources, therefore base station 3 is desirable for joint transmission
Mode cause UE2 to result in more Radio Resources.
In UMTS system, if user equipment is using HSPA technologies, (up is HSUPA (High Speed Uplink
Packet Access), descending is HSDPA (High Speed Downlink Packet Access)), to the tune of user equipment
Degree is responsible for by base station, spreading code that such as user equipment is used, uses the time slot of spreading code by base station control.The present embodiment
In, base station 3 wishes that UE2 can be used in UMTS system simultaneously and establishes interface between HSPA technologies, therefore base station 3 and base station 4,
For transmitting control signaling and data.Interface between base station 3 and base station 4 can be by operation and maintenance (Operation ＆
Maintenance) server implementation.
Base station 3 is determined by the way of joint transmission, and more Radio Resources are provided to meet its rate requirement for UE2,
Base station 3 finds that the user equipment only has a set of radio frequency transceiver according to the UE2 obtained ability information, therefore base station 3 is
The joint transmission mode of UE2 configuring time divisions multiplexing, its concrete implementation flow is：
Step S701, base station 3 sends joint transmission to base station 4 by the interface between base station 4 and asked, in the request
QoS parameter (Quality of Service) comprising DRB1, so that base station 4 being capable of rational distributing radio resource.Base
Stand and 3 there was only a set of radio frequency transceiver in view of UE2, therefore also include the time division information using different access technologies in the request,
Specifically can include activate in the umts system initial time, activate in the umts system time (or be referred to as use
The duration of HSPA technologies) and cycle, set in such as asking the initial time activated in the umts system be some absolute time,
The duration activated in the umts system is 30 milliseconds, and the cycle is 50 milliseconds.I.e. in corresponding initial time, UE2 uses HSPA skills
Art carries out communicating 30 milliseconds with base station 4, then carries out communicating 20 milliseconds (50-30=20) with base station 3；Afterwards again with base station 4
30 milliseconds of communication is carried out, so circulation is gone down always, until base station 3 terminates the mode of joint transmission.
Step S702, base station 4 is received after request, is UE2 distribution resources, and such as distribution needs the wireless network monitored to mark temporarily
Know RNTI (Radio Network Temporary Identifier), at the same preserve in request the activationary time information that includes with
Just in the suitable time scheduling UE2.Base station 4 returns to base station 3 and responded, the resource parameters comprising distribution.
Step S703, base station 3 is received after the response that base station 4 is sent, and dedicated signaling is sent to UE2, wherein being comprising base station 4
UE2 distribution resource parameters, and activate in the umts system initial time, activate in the umts system time (or
Referred to as use the duration of HSPA technologies) and the cycle.
Step S704, UE2 are received after the dedicated signaling that base station 3 is sent, and preserve the configuration.UE2 is according to including in signaling
Initial time, keeps communicate in corresponding time slot and base station 4,30 milliseconds of duration, then in back to back 20 milliseconds and
Base station 3 keeps communication.Because UE2 has obtained the resource of the distribution of base station 4, the transmission of signaling and data can be realized with base station 4.
UE2 is realized using time-multiplexed mode and communicated jointly with UMTS and LTE system, is in different respectively
Identical DRB data are transmitted in system.Network side by this method, can effectively implement load balancing, being capable of basis in real time
The load of different system, partial data transmission is adjusted in the system of light load.
Herein it should be noted that receiving in base station 3 after the response that base station 4 is sent, need to build between base station 3 and base station 4
The vertical data transmission channel on UE2, including uplink and downlink, while base station 3 sends line number under the part of the UE2 to base station 4
According to bag, so that base station 4 has enough downlink data transmissions when being communicated with UE2, base station 3 needs the function of newly-increased data distribution,
Select partial data bag and be sent to base station 4, transmitted by base station 4 to UE2.UE2 receives the number that two base stations are sended over respectively
According to bag, it is necessary to realize merging, UE2 can be multiplexed existing wireless chain control layer (Radio Link Control) merging weight
The function of group, realizes the merging of packet, such application layer still can receive complete packet.
The present embodiment also has the request for there was only joint transmission in other implementations, such as step S701, not comprising adopting
With the time division information of different access technologies, base station 4 is received after request, and UMTS system is included in the response returned to base station 3
The temporal information (including initial time, duration, cycle) of middle activation.
Present embodiment describes UMTS and the scene of LTE system joint transmission, in fact for GERAN systems and LTE systems
System or GERAN systems and UMTS system are equally applicable.Such as GERAN systems and the scene of LTE system joint transmission,
Interface is set up between the base station in base station controller and LTE system in GERAN systems, for transmitting signaling and data, two
The base station of system consults to determine the time that user equipment is activated in different system, then notifying user equipment, it is possible to realize
Time-multiplexed joint transmission method, can effectively balance the load between two systems.
Preferred embodiment three
User equipment (UE) 1 is in connection status, the jurisdiction district 1 of UE1 access base stations 1, base by UMTS system access network
Stand and 1 administered by RNC.The cell 2 for having identical covering with cell 1 is administered by base station 2, and base station 2 belongs to LTE system.
UE1 has been set up a data radio bearer DRB (Data Radio Bearer), is represented herein with DRB1.
Business demand new due to having UE1, it is desirable to set up DRB2, it is higher yet with the transmission rate required by DRB2, cell 1 can
DRB2 requirement is can not meet with resource.RNC is determined by the way of joint transmission, is set up by the Radio Resource of cell 2
DRB2, RNC have found that the user equipment only has a set of radio frequency transceiver, RNC is determined according to the UE1 obtained ability information
Joint transmission is realized using time-multiplexed mode.In the present embodiment, do not set up interface between RNC and base station 2, RNC with
Signaling and data transfer between base station 2 pass through core network.
RNC and base station 2 consult activationary time in different system by core net (during such as activation in the umts system
Between, the cycle；Or activationary time in LTE system, cycle), then notify UE1, UE1 to be determined according to activationary time by RNC
The time communicated with different system.Thus UE1 realizes the joint communication with different system.
It should be noted that can be in such as one group computer executable instructions the step of the flow of accompanying drawing is illustrated
Performed in computer system, and, although logical order is shown in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
The embodiments of the invention provide a kind of joint transmission system, the joint transmission system can be used for realizing above-mentioned joint
Transmission method.Fig. 7 is the structured flowchart of according to embodiments of the present invention one joint transmission system, as shown in fig. 7, comprises first connects
The access network elements 72 of networking, the access network elements 74 of the second access network and user equipment 76, wherein the access of the first access network
Network element 72 includes negotiation module 722, sending module 724.Its structure is described in detail below.
Negotiation module 722, the activationary time for consulting user equipment 76 with the access network elements 74 of the second access network, its
Middle activationary time be used for user equipment 76 using time-multiplexed mode respectively by the access network elements 72 of the first access network with
The access network elements 74 of second access network carry out joint transmission；Sending module 724, is connected to negotiation module 722, for user
Equipment 76 sends the activationary time that negotiation module 724 is consulted.
The embodiment of the present invention additionally provides a kind of joint transmission system, and the joint transmission system can be used for realizing above-mentioned
Close transmission method.Fig. 8 is the structured flowchart of according to embodiments of the present invention two joint transmission system, as shown in figure 8, including first
The access network elements 82 of access network, the access network elements 84 of the second access network and user equipment 86, wherein user equipment 86 include
Receiving module 862 and joint transmission module 864.Its structure is described in detail below.
Receiving module 862, the activationary time for receiving the access network elements 82 from the first access network, wherein user sets
Standby 86 only possess the ability communicated in the single time with single access network, and activationary time is the access by the first access network
What the access network elements 84 of the access network of network element 82 and second were consulted；Joint transmission module 864, is connected to receiving module 862, uses
In the activationary time received according to receiving module 862, using time-multiplexed mode, pass through the access network of the first access network respectively
The access network elements 84 of the access network of network element 82 and second carry out joint transmission.
The embodiment of the present invention provides a kind of joint transmission system again, and the joint transmission system can be used for realizing above-mentioned
Close transmission method.Fig. 9 is the structured flowchart of according to embodiments of the present invention three joint transmission system, as shown in figure 9, including first
The access network elements 92 of access network, the access network elements 94 of the second access network and user equipment 96, wherein the first access network connects
Network element 92 includes negotiation module 922, and sending module 924, user equipment 96 includes receiving module 962 and joint transmission module
964.Its structure is described in detail below.
Negotiation module 922, the activationary time for consulting user equipment 96 with the access network elements 94 of the second access network, its
Middle activationary time be used for user equipment 96 using time-multiplexed mode respectively by the access network elements 92 of the first access network with
The access network elements 94 of second access network carry out joint transmission；Sending module 924, is connected to negotiation module 922, for user
Equipment 96 sends the activationary time that negotiation module 922 is consulted.
Receiving module 962, is connected to sending module 924, for receiving the access network elements 92 from the first access network
The activationary time that sending module 924 is sent, wherein user equipment 96 only possesses is communicated in the single time with single access network
Ability, activationary time is to be consulted by the access network elements 92 of the first access network with the access network elements 94 of the second access network
's；Joint transmission module 964, is connected to receiving module 962, for the activationary time received according to receiving module 962, using when
Divide the mode of multiplexing, pass through the access network elements 92 and the access network elements 94 of the second access network of the first access network respectively
Close transmission.
It should be noted that the joint transmission system described in device embodiment corresponds to above-mentioned embodiment of the method, its
Concrete implementation process had carried out detailed description in embodiment of the method, will not be repeated here.
In summary, there is provided a kind of joint transmission method and system according to the abovementioned embodiments of the present invention.The present invention is logical
Cross using the activationary time consulted, it is ensured that the user equipment of single radio frequency transceiver carries out joint transmission, so as to improve number
According to transmission rate.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step single integrated circuit module is fabricated to realize.So, the present invention is not restricted to any specific
Hardware and software is combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of joint transmission method, it is characterised in that including：
The access network elements of first access network and the access network elements of the second access network consult the activationary time of user equipment, wherein
The activationary time passes through the access network elements of first access network respectively for user equipment using time-multiplexed mode
Joint transmission is carried out with the access network elements of second access network；
The access network elements of first access network send the activationary time to the user equipment；
Wherein, the access network elements of the first access network and the access network elements of the second access network consult the activationary time of user equipment
Including：The access network elements of first access network are set according to the business demand of the user equipment, and according to the user
It is standby only to possess the ability information communicated in the single time with single access network, the access network elements with second access network
Consult the activationary time of the user equipment.
2. according to the method described in claim 1, it is characterised in that the activationary time includes at least one of：Described
The initial time that is activated in first access network, the initial time activated in second access network, in first access network
The duration of middle activation, the duration activated in second access network, the cycle of activation.
3. method according to claim 1 or 2, it is characterised in that access network elements of first access network and described
The access network elements of second access network include one below：
The base station of long evolving system, the radio network controller of UMTS, the base of UMTS
Stand, the base station controller of global mobile communication enhanced data rates global mobile communication evolution technology wireless access network system.
4. a kind of joint transmission method, it is characterised in that including：
User equipment receives the activationary time of the access network elements from the first access network, wherein the user equipment only possesses
The ability communicated in the single time with single access network, the activationary time is the access network by first access network
What network element and the access network elements of the second access network were consulted；
The user equipment, using time-multiplexed mode, passes through first access network respectively according to the activationary time
Access network elements and the access network elements of second access network carry out joint transmission；
Wherein, the access network elements of the first access network and the access network elements of the second access network consult the activationary time of user equipment
Including：The access network elements of first access network are set according to the business demand of the user equipment, and according to the user
It is standby only to possess the ability information communicated in the single time with single access network, the access network elements with second access network
Consult the activationary time of the user equipment.
5. method according to claim 4, it is characterised in that the activationary time includes at least one of：Described
The initial time that is activated in first access network, the initial time activated in second access network, in first access network
The duration of middle activation, the duration activated in second access network, the cycle of activation.
6. method according to claim 4, it is characterised in that do not include the initial time of activation in the activationary time
In the case of, the user equipment proceeds by joint transmission while the activationary time is received.
7. the method according to any one of claim 4 to 6, it is characterised in that the access network net of first access network
The access network elements of first and described second access network include one below：
The base station of long evolving system, the radio network controller of UMTS, the base of UMTS
Stand, the base station controller of global mobile communication enhanced data rates global mobile communication evolution technology wireless access network system.
8. a kind of joint transmission system, it is characterised in that the access network elements including the first access network, the access of the second access network
Network element and user equipment, wherein the access network elements of first access network include：
Negotiation module, the activationary time for consulting the user equipment with the access network elements of second access network, wherein
The activationary time passes through the access network of first access network respectively for the user equipment using time-multiplexed mode
Network element and the access network elements of second access network carry out joint transmission；
Sending module, for sending the activationary time to the user equipment；
Wherein, the activationary time of the access network elements negotiation user equipment of the negotiation module and the second access network includes：It is described
Negotiation module according to the business demand of the user equipment, and according to the user equipment only possess the single time with it is single
The ability information that access network is communicated, when consulting the activation of the user equipment with the access network elements of second access network
Between.
9. a kind of joint transmission system, it is characterised in that the access network elements including the first access network, the access of the second access network
Network element and user equipment, wherein the user equipment includes：
Receiving module, the activationary time for receiving the access network elements from first access network, wherein the user sets
Standby only to possess the ability communicated in the single time with single access network, the activationary time is by first access network
The access network elements of access network elements and second access network consult；
Joint transmission module, for according to the activationary time, using time-multiplexed mode, being accessed respectively by described first
The access network elements of net and the access network elements of second access network carry out joint transmission；
Wherein, the access network elements of the first access network and the access network elements of the second access network consult the activationary time of user equipment
Including：The access network elements of first access network are set according to the business demand of the user equipment, and according to the user
It is standby only to possess the ability information communicated in the single time with single access network, the access network elements with second access network
Consult the activationary time of the user equipment.
10. a kind of joint transmission system, it is characterised in that the access network elements including the first access network, the second access network connect
Network element and user equipment, wherein
The access network elements of first access network include：
Negotiation module, the activationary time for consulting the user equipment with the access network elements of second access network, wherein
The activationary time passes through the access network of first access network respectively for the user equipment using time-multiplexed mode
Network element and the access network elements of second access network carry out joint transmission；
Sending module, for sending the activationary time to the user equipment；
The user equipment includes：
Receiving module, the activationary time for receiving the access network elements from first access network, wherein the user sets
Standby only to possess the ability communicated in the single time with single access network, the activationary time is by first access network
The access network elements of access network elements and second access network consult；
Joint transmission module, for according to the activationary time, using time-multiplexed mode, being accessed respectively by described first
The access network elements of net and the access network elements of second access network carry out joint transmission；
Wherein, the activationary time of the access network elements negotiation user equipment of the negotiation module and the second access network includes：It is described
Negotiation module according to the business demand of the user equipment, and according to the user equipment only possess the single time with it is single
The ability information that access network is communicated, when consulting the activation of the user equipment with the access network elements of second access network
Between.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069665.4A CN102695213B (en) | 2011-03-22 | 2011-03-22 | Joint transmission method and system |
| PCT/CN2012/072386 WO2012126330A1 (en) | 2011-03-22 | 2012-03-15 | Joint transmission method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069665.4A CN102695213B (en) | 2011-03-22 | 2011-03-22 | Joint transmission method and system |
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| CN102695213B true CN102695213B (en) | 2017-08-08 |
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| WO (1) | WO2012126330A1 (en) |
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| CN104041110B (en) * | 2012-11-15 | 2018-03-02 | 华为技术有限公司 | Transmit method, base station, access network equipment and the user equipment of data |
| CN104396302B (en) * | 2013-01-18 | 2018-10-30 | 华为技术有限公司 | Method, base station and the user equipment of transmission data |
| CN111726873B (en) * | 2018-11-19 | 2024-04-26 | 华为技术有限公司 | Uplink switching method, communication device and communication system |
| CN111385848B (en) * | 2018-12-27 | 2023-05-05 | 成都鼎桥通信技术有限公司 | Carrier reservation control method and device |
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| CN101616452A (en) * | 2008-06-27 | 2009-12-30 | 中国移动通信集团公司 | Access selection method and user terminal, network element |
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| US7778226B2 (en) * | 2006-03-30 | 2010-08-17 | Intel Corporation | Device, system and method of coordination among multiple transceivers |
| CN101203043B (en) * | 2006-09-26 | 2013-08-21 | 美商威睿电通公司 | Systems and methods for determining slotted mode operation timing in a hybrid access terminal |
| CN101971660B (en) * | 2008-02-01 | 2014-11-26 | 爱立信电话股份有限公司 | Configuration of a node in a communications network |
| US7924795B2 (en) * | 2008-03-31 | 2011-04-12 | Mediatek Inc. | Apparatus and method for coordinating bluetooth and wireless local area network (WLAN) and WiMAX communications |
| CN101626596B (en) * | 2008-07-09 | 2011-08-31 | 中国移动通信集团公司 | Method, device and system for generating service distributing strategy |
| US8333024B2 (en) * | 2008-10-08 | 2012-12-18 | Nike, Inc. | Article of footwear for dancing |
| US8611900B2 (en) * | 2009-03-20 | 2013-12-17 | Qualcomm Incorporated | Methods and apparatus for a mobile broker supporting inter-rat, inter-operator handovers |
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| CN102695213A (en) | 2012-09-26 |
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