CN101345647B - Channel establishing method for high speed ascending packet data transmission, and network controller - Google Patents
Channel establishing method for high speed ascending packet data transmission, and network controller Download PDFInfo
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- CN101345647B CN101345647B CN2007101187960A CN200710118796A CN101345647B CN 101345647 B CN101345647 B CN 101345647B CN 2007101187960 A CN2007101187960 A CN 2007101187960A CN 200710118796 A CN200710118796 A CN 200710118796A CN 101345647 B CN101345647 B CN 101345647B
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Abstract
The invention discloses a channel building method of multicarrier high speed up-running grouped data transmission, comprising: first, determining the channel resource number of high speed up-running grouped data transmission required by the district; then selecting N carriers to constitute the high speed up-running grouped data transmission carrier resource of the district from M carriers of the district; dividing the channel resource provided by the high speed up-running grouped data transmission carrier resource of the district into two groups of scheduling transmission resource and non-scheduling transmission resource; when UE initiates high speed up-running grouped data transmission operation request, the network side distributes resource required by the non-scheduling transmission and scheduling transmission according to capacity level of the terminal, thereby building transmission and control channels. The invention effectively solves the problems of building the channels under the multicarrier for the high speed up-running grouped data transmission operation. Meanwhile, the invention also discloses corresponding transmitting method and a wireless network controller used for multicarrier high speed up-running grouped data transmission.
Description
Technical field
The present invention relates to the wireless data transmission technology in the moving communicating field, relate in particular to channel establishing method and the data transmission method and the network controller thereof of multi-carrier high-speed ascending packet data transport service.
Background technology
In order to improve the transmitting uplink data ability, Frequency Division Duplexing (FDD) (FDD in the WCDMA access system (WCDMA), Frequency Division Duplex) mode and time division duplex (HCR TDD, High ChipRate Time Division Duplex) mode, also has TD-SCDMA system (TD-SCDMA, be called low spreading rate tdd mode again, LCR TDD) in the Release6 of 3G (Third Generation) Moblie standardization body definition and Release7, introduced up enhancing (EnhancedUplink) technology in succession, be called HSUPA (High Speed Uplink Packet Access, high speed uplink packet inserts) technology.
The key technology of HSUPA comprises HARQ (Hybrid Automatic Repeat Request, mixed automatic retransmission request), AMC (Adaptive Modulation and Code, Adaptive Modulation and Coding) and fast dispatch.Node B time slot scheduling, code channel and power resource, power resource has retrained the contribution of UE to system interference, keep whole system by scheduling and disturb on certain level, promptly keep RoT (Rise-over-Thermal, background noise promotes) to be stabilized in the threshold value; UE (User Equipment, subscriber equipment) selects to realize AMC by E-TFC (E-DCH Transport FormatCombination, E-DCH TFS Transport Format Set) in the restriction of Node B scheduled resources; In transmission course, after UE sent data, Node B fed back fast according to the correctness that receives, and UE is retransmission data or transmission new data according to result's decision of feedback, promoted transmission performance thereby can utilize the merging of HARQ to gain; Fast dispatch, AMC are used in combination with HARQ's, can make the variation of transfer of data fast adaptation channel, thereby reduce retransmission delay time, improve link performance, the elevator system throughput.
The single carrier ascending packet data process of Release7 standard, with HSDPA (HighSpeedDownlink Packet Access, high speed downlink packet inserts) similar, make up by control channel and Traffic Channel and to realize, different with HSDPA is that HSUPA is divided into two kinds of transmission meanss, is respectively: scheduled transmission and non-scheduled transmission.The transmission channel of HSUPA bearer service data is E-DCH (EnhancedDedicated Transport Channel, the dedicated transmission channel of enhancing).On physical layer, E-AGCH (E-DCHAbsolute Grant Channel, E-DCH absolute grant channel) is descending physical control channel, carries the scheduling grant information of Node B to UE, comprises power, time slot, code channel, UE sign etc.; E-PUCH (Enhanced Uplink Physical Channel, the uplink physical channel that strengthens) is the uplink physical channel that UE sends data, E-DCH and E-UCCH (E-DCH Uplink Control Channel, E-DCH ascending control channel) are common multiplexing on E-PUCH; E-HICH (E-DCH HARQAcknowledgement Indicator Channel, E-DCH HARQ answering indication signal channel) be descending physical channel, carry Node B to receiving the HARQ response message of E-DCH decoded data block correctness, UE judges that in view of the above the transmission of next time is to retransmit or the new biography data.Scheduled transmission realizes by using E-AGCH, E-PUCH, E-HICH, sends scheduling grant information to different user by Node B on the E-AGCH channel, Resources allocation fast in the process of transfer of data; Non-scheduled transmission is only used E-PUCH, E-HICH channel, employed power, code channel resource and sending duration, transmission interval etc. are by RNC (Radio Network Controller, radio network controller) when link setup UE configuration is finished, resource can not change in transmission course fast.
In the single carrier ascending packet data process of Release7 standard, at first carry out the Traffic Channel of HSUPA and the foundation of control channel, to scheduling and non-scheduled transmission allocation of channel resources may.When UE inserts, obtain the Traffic Channel of this terminal and the resource information of uplink/downlink control channel from network side; In the data dispatch transmission course, network side is according to the CRC check information that received measurement of E-PUCH quality of channel and reception data last time or initially according to E-RUCCH (E-DCH Random Access Uplink ControlChannel, E-DCH inserts ascending control channel at random) SI (the Scheduling Information that reports, schedule information) information, send the necessary control information that the user can send grouped data by the E-AGCH channel dispatch, comprise power, time slot, code channel etc., UE is after receiving the E-AGCH schedule information, carry out E-TFC (E-DCH Transport Format Combination according to scheduling grant, the E-DCH TFS Transport Format Set) selects, send grouped data by the E-PUCH channel then, the ACK/NACK of Node B feedback data on E-HICH (Acknowledgement/Negative ACKnowledgement, ack/nack is replied).Non-scheduled transmission is in the resource of network reservation and transmit in the time, and Node B feeds back to UE according to the correctness of the data of the E-PUCH channel that receives on the E-HICH channel.
When the single carrier HSUPA of the current agreement of Release7 ascending packet data transmits, because Traffic Channel and control channel are all on a carrier wave, particularly the resource that can be used in HSUPA when this carrier wave has in limited time very much, the peak rate that adopts the HSUPA technology to send data will be subject to code channel number what.
With regard to Long Term Evolution, can adopt technology such as MIMO, OFDM, but bigger to system's change, will in Release8, introduce LTE (Long Term Evolution, Long Term Evolution).In the existing ascending packet data transmission method of Release7, if take into account compatibility forward, the hardware circuit solution that further improves the user grouping data simultaneously has difficulties.
Adopt the multi-carrier HSUPA technology to strengthen the transmittability of Packet data service, this changes minimum to present system, and reduces the complexity that system upgrade is introduced as much as possible, can improve transmission of packet data speed greatly again simultaneously.But in present Release7 standard, only adopt the single carrier transmission mode of HSUPA, being used for the control channel (E-AGCH channel, E-HICH channel) and the channel of Traffic Channel (E-PUCH) sets up fairly simple, how channel for multicarrier is set up, lack necessary description, can't satisfy the transfer of data of multi-carrier high-speed ascending packet data transmission.
Summary of the invention
Multi-carrier high-speed ascending packet data channel transmitted method for building up provided by the invention, the single carrier high-speed upward grouped data transmits the channel foundation of just considering single carrier wave in the prior art to solve, and can't satisfy the technical problem that multi-carrier high-speed ascending packet data channel transmitted is set up demand.The present invention is not only applicable to the multi-carrier HSUPA system, and is suitable equally for the multi-carrier high-speed ascending packet data channel transmitted method for building up in the HSPA+ system.
For addressing the above problem, multi-carrier high-speed ascending packet data channel transmitted method for building up disclosed by the invention comprises the steps:
A, determine sub-district needed high-speed upward grouped data transmission channel resources quantity;
B, according to the channel resource quantity that steps A is determined, from all M carrier wave of sub-district, select N carrier wave, the high-speed upward grouped data that a described N carrier resource is formed this sub-district transmits carrier resource;
C, with the grouping of the high-speed upward grouped data of described this sub-district transmission channel resource that carrier resource provided,
First group: scheduled transmission E-PUCH channel resource pool, E-AGCH and E-HICH down control channel group;
Second group: non-scheduled transmission is reserved E-PUCH channel resource pool and E-HICH channel group;
D, UE initiate the request of high-speed upward grouped data transport service,
Network side is according to the ability rating of terminal, for this UE distributes employed E-PUCH of non-scheduled transmission and E-HICH channel group; The a plurality of frequencies that distribute the E-PUCH Traffic Channel place that E-AGCH, E-HICH control channel group, the UE ability rating need UE to monitor support for scheduled transmission.
Preferably, steps A is used for high-speed upward grouped data channel transmitted resource quantity in described definite sub-district, determines according to the network planning and business demand.
Preferably, the described mode of N carrier wave of selecting from all M carrier wave of sub-district of step B is: in the middle of all M carrier wave, and nondistinctive N carrier wave or selection N the carrier wave that UE supported selected.
Preferably, the described mode of N carrier wave of selecting from all M carrier wave of sub-district of step B is: in the middle of all M carrier wave, choose and disturb carrier waves little and/or that the carrier wave idling-resource is many.
Preferably, in the middle of the described step B, further comprise, from N carrier wave, select part idling-resource or whole idling-resource to form the high-speed upward grouped data transmission channel resources of this sub-district, the channel resource quantity that the high-speed upward grouped data transmission channel resources quantity of described composition requires more than or equal to steps A.
Preferably, among the described step C, from N high-speed upward grouped data transmission carrier resource of this sub-district, select S carrier wave, and selection part idling-resource or whole idling-resource are assigned as the E-PUCH channel of this sub-district, wherein 1≤S≤N from S carrier wave.
Preferably, among the described step C, the E-PUCH channel of described this sub-district is formed a common resource pool, described scheduled transmission E-PUCH channel resource pool and non-scheduled transmission E-PUCH channel resource pool, shared this common resource pool.
Preferably, among the described step C, described scheduled transmission E-PUCH channel resource pool and non-scheduled transmission E-PUCH channel resource pool are separate resource pools; Wherein, scheduled transmission E-PUCH channel resource pool has S1 carrier wave, and non-scheduled transmission E-PUCH channel resource pool has S2 carrier wave, wherein 1≤S1≤S, 1≤S2≤S.
Preferably, described channel resource grouping is undertaken by the RNC that described sub-district belonged to, and sends the Node B of current area to.
Preferably, when described UE initiates the request of high-speed upward grouped data transport service, further comprise the step that reports this UE ability rating.
Multi-carrier high-speed ascending packet data channel transmitted method for building up as above, solved in the current agreement multi-carrier transmission has been lacked the technical problem of describing, according to as above method, system can support up multi-carrier high-speed transfer of data, thereby UE can use a plurality of carrier waves to send high-speed upward grouped data, further improve the data rate of high speed uplink packet, the elevator system throughput.
The present invention proposes multi-carrier high-speed ascending packet data transmission data transmission method simultaneously, makes system can support two-forty and high-throughput, thereby has improved the band efficiency of system.Specifically be,
Utilize above-mentioned multi-carrier high-speed ascending packet data channel transmitted method for building up to set up channel;
For scheduled transmission: Node B is according to the channel condition of the CRC check that received data last time, measurement and relevant schedule information, select the UE of service next time and the channel resource and the power resource of employing, the scheduling of UE being carried out carrier wave, time slot, code channel distributes, send the necessary control information that UE can send grouped data by down control channel E-AGCH, so that UE receives described control information; UE sends data according to the E-AGCH control permission that receives by the E-PUCH channel.
For non-scheduled transmission: RNC according to the UE ability rating with resource dispensing UE after, Node B no longer carries out resource allocation, when the resource changing of the non-scheduled transmission of service needed, RNC realizes by the reprovision of signaling; UE sends the E-PUCH data in the frequency of reserving, time slot, code channel, power resource.
Which when TDD uses in conjunction with multicarrier, owing to increased the variable of carrier wave, must define by the amount of a three-dimensional, i.e. time slot in the frequency of place carrier wave, the place subframe and the code channel sequence number in the time slot of place so identify a physical channel.More than mention certain channel, as the E-HICH channel, it is designated frequency, time slot, code channel.
The invention allows for a kind of radio network controller that is used for multi-carrier high-speed ascending packet data transport service, be used for the foundation of multi-carrier high-speed ascending packet data channel transmitted, comprise: first computing unit (201), selected cell (202), cell channel allocation units (203) and user channel allocations unit (204)
Wherein, first computing unit (201) is used for calculation plot and is used for high-speed upward grouped data channel transmitted resource quantity; According to the network planning and business demand, calculate the required channel resource quantity of high-speed upward grouped data transmission;
Selected cell (202) is used for selecting N carrier wave, this N carrier resource to form the high-speed upward grouped data transmission carrier resource of this sub-district from the sub-district; The high-speed upward grouped data transfer resource that N the carrier wave of selecting formed will satisfy the required channel resource quantity of high-speed upward grouped data transmission that first computing unit (201) calculates;
Cell channel allocation units (203) are used for the distribution of E-PUCH traffic channel resource pond, sub-district and control channel distributes;
User channel allocations unit (204), when UE initiates high-speed upward grouped data transmission request and is allowed to, network side is that UE distributes the employed E-PUCH/E-HICH channel of non-scheduled transmission, the frequency that E-AGCH, E-HICH channel group, the ability rating support that scheduled transmission needs UE to monitor need detect.
Further, cell channel allocation units (203) further comprise: scheduling transmission resources allocation units (2031) and non-scheduling transmission resources allocation units (2032); Wherein,
Scheduling transmission resources allocation units (2031) are used for scheduled transmission E-PUCH channel resource pool, E-AGCH and E-HICH down control channel set of dispense;
Non-scheduling transmission resources allocation units (2032) are used for non-scheduled transmission and reserve E-PUCH channel resource pool and control channel E-HICH distribution.
Further, user channel allocations unit (204) further comprise: resource memory cell (2041), choose unit (2042) and resource allocation unit (2043); Wherein,
Described resource memory cell (2041) is used for memory scheduling transmission and non-scheduled transmission available channel resources information; Each channel resource uses frequency, time slot, code channel to identify;
The described unit (2042) of choosing is connected with described cell channel allocation units (203) with resource memory cell (2041), be used for obtaining the available channel resources and the corresponding channel condition information of unappropriated carrier wave, and choose the available channel resources of the carrier wave of channel condition optimum from described resource memory cell (2041);
Described resource allocation unit (2043) is used for obtaining described available channel resources and distributing from the described unit of choosing.
By above-mentioned radio network controller, can set up the high speed ascending grouped access channel of multicarrier, thereby realize the multi-carrier transmission of high-speed upward grouped data, distribute multi-carrier resource effectively, improve the resource utilization of system.
Description of drawings
Fig. 1 is a multi-carrier high-speed ascending packet data transport service channel establishing method flow chart;
Fig. 2 is the radio network controller structure chart that is used for multi-carrier high-speed ascending packet data transport service.
Embodiment
For the transmission of single carrier ascending packet data, the channel resource of sub-district is time slot and code channel.Ascending packet data transmission for multicarrier, if also only support the high-speed upward grouped data channel transmitted that is useful on a user to be distributed in the Resource Allocation Formula on the same carrier wave, with the flexibility of restriction resource, also will the restricting data transmission rate.For this reason, present embodiment provides and has carried out the method that multi-carrier high-speed ascending packet data channel transmitted is set up.
Fig. 1 is the flow chart of multi-carrier high-speed ascending packet data transport service channel establishing method provided by the invention.Below in conjunction with Fig. 1, specify multi-carrier high-speed ascending packet data channel transmitted method for building up provided by the invention.These method concrete steps are:
A, determine sub-district needed high-speed upward grouped data transmission channel resources quantity;
B, according to the channel resource quantity that steps A is determined, from all M carrier wave of sub-district, select N carrier wave, the high-speed upward grouped data that a described N carrier resource is formed this sub-district transmits carrier resource;
C, with the grouping of the high-speed upward grouped data of described this sub-district transmission channel resource that carrier resource provided,
First group: scheduled transmission E-PUCH channel resource pool and E-AGCH, E-HICH down control channel group,
Second group: non-scheduled transmission is reserved E-PUCH channel resource pool and E-HICH channel group;
Wherein, scheduled transmission E-PUCH channel resource pool and non-scheduled transmission are reserved the E-PUCH channel resource pool, can be that independent resource pool also can be a shared resource pool;
D, the UE access network foundation of transmitting when the support high-speed upward grouped data link, initiate high-speed upward grouped data transmission request and when being allowed to, the business that network side is used according to the ability rating and the non-scheduled transmission of terminal is for this UE distributes employed E-PUCH of non-scheduled transmission and E-HICH channel group; Network side is according to the ability rating of this UE, for scheduled transmission is distributed: a plurality of frequencies at the E-PUCH Traffic Channel place that E-AGCH, E-HICH channel group, the UE ability rating that needs UE to monitor supported.
In the middle of the steps A, determine that the mode that is used for high-speed upward grouped data channel transmitted resource in the sub-district is:
Whether network can be prejudged the sub-district needs to provide high-speed upward grouped data transmission service at present.Network can consider whether the sub-district needs to provide high-speed upward grouped data transmission service at present earlier according to the service load amount of present sub-district, the disturbance state of adjacent sub-district, the COS of demanding terminal etc.This mainly sets the trigger condition that the sub-district provides high-speed upward grouped data transmission service according to each operator's concrete condition.Such as, when UE proposes a certain grade of other transmission rate request, network-triggered provides the high-speed upward grouped data transfer function to the sub-district, for another example, when the UE number that has the high-speed upward grouped data transfer function in the sub-district reached default number, the network-triggered sub-district provided the high-speed upward grouped data transfer function.Suppose that it is that the UE that (1) inserts the sub-district reaches 10 that the condition that high-speed upward grouped data transmission service is provided is triggered in the sub-district, (2) need to propose the professional transmission quantity of transmission greater than a threshold value as UE.There are 15 UE the sub-district at present, and wherein, 12 UE have the high-speed upward grouped data transfer function.The professional transmission quantity that propose to need transmission to network side as UE is during greater than its threshold value, and network side just triggers this sub-district high-speed upward grouped data transmission service is provided.
Generally speaking, because the advantage that high-speed upward grouped data transmission has: fast as the upstream data transmission, the utilization of resources is more high, network can need not to judge, high-speed upward grouped data transmission service is provided directly for the sub-district of supporting the high-speed upward grouped data transfer function.
Each operator is provided with according to s own situation and is used for high-speed upward grouped data channel transmitted resource in the sub-district.It can be given in the sub-district and be used for high-speed upward grouped data channel transmitted resource settings one fixed value Y, and each sub-district that this operator provides is used for high-speed upward grouped data channel transmitted resource and is fixed value Y.Operator also can determine that each sub-district is used for high-speed upward grouped data channel transmitted resource according to the concrete condition of each sub-district.Such as: when being identified for high-speed upward grouped data channel transmitted resource, need to consider present power system capacity, cell load, the requirement of UE transmission rate, those factors such as throughput of transfer of data usually.
It is many more to be used for high-speed upward grouped data channel transmitted resource, and follow-up ascending packet data transmission is favourable more.But, a sub-district is except providing high-speed upward grouped data transmission service, also need to carry much other services, these services all need the busy channel resource, and carrier battalion also needs to consider the resource situation that COS that this communication system provides and each COS can take when being used for high-speed upward grouped data channel transmitted number of resources in determining the sub-district.Network can be designed to computing formula with above-mentioned factor, calculates to be used for high-speed upward grouped data channel transmitted resource quantity in each sub-district.Certainly, the present invention also can transmit to determine to be used in the sub-district high-speed upward grouped data channel transmitted resource quantity with reference to the single carrier ascending packet data.
In the middle of the step B, from all M carrier wave of sub-district, select the high-speed upward grouped data transmission carrier resource of N carrier wave set cost sub-district, and from N carrier wave, select part idling-resource or whole idling-resource to form the high-speed upward grouped data transmission channel resources of this sub-district, the channel resource quantity that described high-speed upward grouped data transmission channel resources requires more than or equal to steps A, wherein 1≤N≤M.From M, choose N carrier wave can according to disturb size, carrier wave idling-resource what etc. select, also can therefrom choose on indistinction ground.
For example, M carrier wave sorts according to channel condition, and at first that channel condition is best carrier wave is as carrier wave in N the carrier wave; Judge the channel resource the quantity whether channel resource of this carrier wave requires more than or equal to steps A, if the resource on this carrier wave can't satisfy the channel resource quantity that steps A requires, the good carrier wave of selective channel bar piece again from M carrier wave then, as a carrier wave in N the carrier wave, the channel resource of judging this carrier wave adds the channel resource quantity whether the channel resource sum of the carrier wave that channel condition is best requires more than or equal to steps A, by that analogy, from M carrier wave, select N carrier wave, and the high-speed upward grouped data transmission channel resources of the idling-resource of N carrier wave composition is more than or equal to the channel resource quantity of steps A requirement.How many described channel conditions can with the weighing of carrier wave surplus resources, and the carrier wave surplus resources is many more, and the channel condition of its carrier wave is good more.Described channel condition can also with disturb and the carrier wave surplus resources as the reference factor, for example, interference is quantized, the weight of interference and carrier wave surplus resources is set, channel condition is quantized, calculate the channel condition of each carrier wave, the carrier wave that its numerical value is big, channel condition is good.Interference can be defined as the same carrier power size of adjacent sub-district, or this carrier wave public channel power size of having distributed, can also be defined as the RoT of this carrier wave demand and the ratio of surplus resources.
N the carrier wave that from all M carrier wave of sub-district, finds UE to support, and from N carrier wave, select part idling-resource or whole idling-resource to form the high-speed upward grouped data transmission channel resources of this sub-district, the channel resource quantity that described high-speed upward grouped data transmission channel resources requires more than or equal to steps A, wherein 1≤N≤M.
Therefore, all carrier waves that the sub-district can select UE to support, and from N carrier wave, select part idling-resource or whole idling-resource to form the high-speed upward grouped data transmission channel resources of this sub-district, the channel resource quantity that described high-speed upward grouped data transmission channel resources requires more than or equal to steps A, that is: the carrier number of determine selecting and the position at carrier wave place, the code channel position of distributed time slot number and time slot position, each time slot on each carrier wave.
Just, step B determines that the sub-district is used for high-speed upward grouped data channel transmitted resource: the code channel position of determining distributed time slot number and time slot position on the position, each carrier wave of carrier number and each carrier wave, each time slot.
In the middle of the step C, network carries out unified allocation of resources with the high-speed upward grouped data transmission channel resources of this sub-district, is assigned as two groups: scheduling transmission resources pond and non-scheduling transmission resources pond.For the high-speed upward grouped data transport service, the channel that relates to comprises: E-PUCH, E-AGCH, E-HICH etc., wherein:
1) E-PUCH is the shared mapping of high speed uplink data channel E-DCH on physical resource, and different UE can come sharing E-DCH by time division multiplexing and code division multiplexing;
2) E-AGCH is the special-purpose down control channel of high-speed upward grouped data transmission, is a physical channel, the control channel when it is used to carry scheduled transmission.Just, the data of UE transmission E-PUCH Channel Transmission must be finished under the scheduling grant of E-AGCH control channel;
3) E-HICH is the special-purpose down control channel of high-speed upward grouped data transmission, also is a physical channel, and it is used for the data correctness that UE sends is made feedback.Usually give a plurality of down control channels of each cell allocation.
Network can preestablish the required channel resource of E-PUCH according to the business demand of sub-district, the disturbance regime of sub-district etc. in advance.The required channel resource of E-PUCH is less than the high-speed upward grouped data transmission channel resources of this sub-district.
Network can principles little according to disturbing, that the idling-resource number is many be selected S carrier wave (1≤S≤N) from N carrier wave of sub-district, select all idling-resources or select the idling-resource of part to be assigned as the E-PUCH channel from the resource of S carrier wave, its channel resource that is assigned as the E-PUCH channel should be equal to or greater than and preestablish the required channel resource of E-PUCH.Method to scheduled transmission and non-scheduled transmission reserved resource has two kinds:
Method one, difference Resources allocation pond S1 and S2; 1≤S1≤S, 1≤S2≤S wherein; Scheduling and non-scheduled resources can take the part of a plurality of carrier waves, and both resources are independent allocation separately, and network will be dispatched with non-scheduled resources pond S1 and S2 and be notified to Node B then;
Method two, unified E-PUCH resource pool of use are only reserved E-AGCH, the E-HICH of scheduling of scheduling, the E-HICH resource of non-scheduling; When initial, all resources of resource pool all are used for scheduled transmission, but not scheduled transmission is when having only the related service application, just provisional division resource therefrom; After service finishes, then regain the resource of non-scheduled transmission.
For example, N carrier wave sorted according to channel condition, at first that channel condition is best carrier wave is as carrier wave in S the carrier wave, whether the channel resource of judging this carrier wave is more than or equal to preestablishing the required channel resource of E-DCH, if can't satisfying, the resource on this carrier wave preestablishes the required channel resource of E-DCH, the good carrier wave of selective channel bar piece again from N carrier wave then, as a carrier wave in S the carrier wave, the channel resource of judging this carrier wave adds that whether the channel resource sum of the carrier wave that channel condition is best is more than or equal to preestablishing the required channel resource of E-PUCH, by that analogy, from N carrier wave, select S carrier wave, and the high-speed upward grouped data transmission channel resources that the idling-resource of S carrier wave is formed is more than or equal to preestablishing the required channel resource of E-PUCH.How many described channel conditions can with the weighing of carrier wave surplus resources, and the carrier wave surplus resources is many more, and the channel condition of its carrier wave is good more.Described channel condition can also with disturb and the carrier wave surplus resources as the reference factor, such as, interference is quantized, the proportion of interference and carrier wave surplus resources is set, channel condition is quantized, calculate the channel condition of each carrier wave, the carrier wave that its numerical value is big, channel condition is good.
RNC can also select carrier number and carrier frequency according to the schedule information of the reporting of user that inserts the sub-district.Such as, there are 6 carrier waves (A, B in the sub-district, C, D, E, F), and the UE that inserts the sub-district only support 3 carrier waves (A, B, C), the channel condition of considering each UE that inserts the sub-district has nothing in common with each other, the channel condition of some user terminal A carrier wave is better, and the channel condition of some user terminal B carrier wave is better, and the channel condition of some user terminal C carrier wave is better again.Therefore, all carrier waves that the sub-district can select user terminal to support are selected all idling-resources or are selected the idling-resource of part to be assigned as the E-DCH channel in the resource of those carrier waves.These resource allocations are cell-level, select back RNC can be notified to Node B.
Just, distributing the E-DCH channel mainly is to determine the E-DCH channel resource: determine scheduling and the non-scheduled transmission code channel position of distributed time slot number and time slot position, each time slot on the position, each carrier wave of the carrier number of resource pool and each carrier wave separately.
E-HICH may be that a plurality of users are multiplexing, so E-AGCH and E-HICH can be distributed on the same carrier wave, also can be distributed on the different carrier.
In the middle of the step D, after UE initiated high-speed upward grouped data transmission request and is allowed to, network side need distribute non-scheduling transmission resources and scheduling transmission resources pond for this UE.Non-scheduling resource comprises the frequency that E-AGCH, E-HICH resource group, UE that channel resource, the scheduling transmission resources pond of E-PUCH and E-HICH comprise UE and need monitor support etc.For scheduled transmission, the network based last CRC verification of data and the channel quality of measurement of receiving in conjunction with the schedule information SI of UE, given the E-DCH channel of this UE use according to the dispatching algorithm allocation of channel resources may.The channel resource that distributes is to be assigned as part or all of channel resource in the E-DCH channel among the step C.Generally, network side can be assigned as the E-DCH channel that finds the good resource allocation of carrier wave condition to use for this UE the E-DCH channel from step C.The channel resource of same UE is distributed on the carrier wave as much as possible, when only resource can't satisfy condition on a carrier wave, gives this UE with the E-DCH resource allocation on other carrier waves again.
By the E-AGCH channel, the scheduling grant information that network side can notify UE to send the E-PUCH channel comprises the carrier wave, time slot, channel, power resource, E-UCCH number of employing etc.By the E-HICH channel, Node B can feed back to the response message of UE transmission data.
The present invention proposes a kind of multi-carrier high-speed ascending packet data transmission data transmission method simultaneously, makes system can support two-forty and high-throughput, thereby improves the band utilization efficient of system.Concrete steps comprise:
(1) utilizes said method, set up channel;
(2) for scheduled transmission, Node B is according to the channel condition of the CRC check that received data last time, measurement and relevant schedule information, select the UE of service next time and the channel resource and the power resource of employing, the scheduling of UE being carried out carrier wave, time slot, code channel etc. distributes, send the necessary control information that UE can send ascending packet data by down control channel E-AGCH, so that UE receives described control information; The control information of described E-AGCH carrying comprises:
PG (Power Grant): SI and measured channel information that Node B reports according to UE, in the control sub-district with the interference of minizone, to the power resource of UE scheduling, the transmitting power of UE is under this constraint;
TRRI (Timeslot Resource Related Information): time interval resource, Node B is according to ability rating, buffer memory situation and the employed gap information of channel condition indication UE of UE.
CRRI (Code Resource Related Information): code channel resource, the employed code channel of Node B indication UE.
ECSN (E-AGCH Cyclic Sequence Number): this field is mainly used in the auxiliary power control of carrying out E-AGCH.
RDI (Resource Duration Indicator): effective duration of Node B indication UE institute Resources allocation.
EI (E-HICH Indicator): Node B indication UE replys and will be carried on which E-HICH the HARQ that it sends data.
ENI (E-UCCH Number Indicator): Node B indication UE sends the number of E-UCCH, thereby guarantees the reliability of out-of-band signalling transmission.
E-RNTI (E-DCH Radio Network Temporary Identity): UE judges according to the E-RNTI that receives whether Node B dispatches it.
For non-scheduled transmission, after network based UE ability rating was given UE with resource allocation, Node B no longer carried out resource allocation, and when the resource changing of the non-scheduled transmission of service needed, network is realized by the reprovision of signaling.
Wherein, described channel condition comprises the degree of disturbance of described carrier wave, also comprises base station ability, service scenario, business load situation.Degree of disturbance can be defined as the same carrier power size of adjacent sub-district, or this carrier wave public channel power size of having distributed, can also be defined as the RoT of this carrier wave demand and the ratio of surplus resources.This tittle network all is known, can quantize degree of disturbance in view of the above.
(3) for scheduled transmission, UE is according to the E-AGCH control permission that receives, carrying out E-TFC selects, and judge that according to the E-HICH that received last time carrying out data retransmission still is the new biography data, E-UCCH carrying HARQ process number, RSN (Retransmission Sequence Number) and transport block size index, UE is according to the ENI number of E-AGCH scheduling, a plurality of E-UCCH and E-DCH business datum is common multiplexing on E-PUCH, then E-PUCH is launched on the carrier wave of Node B scheduling, time slot, code channel;
For non-scheduled transmission, UE sends the E-PUCH data in the frequency of reserving, time slot, code channel, power resource.
After the channel of multicarrier is set up, multicarrier data transmission method for uplink as described above, system can realize the transfer of data of a plurality of carrier waves, Node B can dispatch flexibly and distributes the resource of carrier wave, time slot, code channel simultaneously, improve resource utilization, improve efficiency of transmission.
Method according to setting up with upper signal channel can also obtain a kind of radio network controller, is used for the foundation of multi-carrier high-speed ascending packet data channel transmitted, as shown in Figure 2, comprising:
First computing unit (201) is used for calculation plot and is used for high-speed upward grouped data channel transmitted resource quantity; According to the network planning and business demand, calculate the required channel resource of high-speed upward grouped data transmission.
Selected cell (202) is selected N carrier wave from the sub-district, this N carrier resource is formed the high-speed upward grouped data transmission carrier resource of this sub-district; The high-speed upward grouped data transfer resource that N the carrier wave of selecting formed will satisfy the high-speed upward grouped data transmission resource needs that first computing unit (201) calculates.
Cell channel allocation units (203) comprise scheduling transmission resources allocation units (2031) and non-scheduling transmission resources allocation units (2032), and each resource allocation unit finishes the E-PUCH traffic channel assignments and control channel distributes;
User channel allocations unit (204): when UE initiated high-speed upward grouped data transmission request and is allowed to, network side was that UE distributes: the frequency that E-AGCH, E-HICH channel group, the ability rating support that the employed E-PUCH/E-HICH channel of non-scheduled transmission, scheduled transmission need UE to monitor need detect.This unit comprises resource memory cell (2041), chooses unit (2042) and resource allocation unit (2043);
Resource memory cell (2041) is used to store the available channel resources information of each carrier dispatching of sub-district and non-scheduling; Each channel resource uses frequency, time slot, code channel to identify.
Choosing unit (2042) is connected with described cell channel allocation units (203) with resource memory cell (2041), be used for obtaining the available channel resources and the corresponding channel condition information of unappropriated carrier wave, and choose the available channel resources of the carrier wave of channel condition optimum from described resource memory cell (2041);
Described resource allocation unit (2043) is used for obtaining described available channel resources and distributing from the described unit of choosing.
Wherein, described channel condition information comprises degree of disturbance.Degree of disturbance can be defined as the same carrier power size of adjacent sub-district, or this carrier wave public channel power size of having distributed, can also be defined as the RoT of this carrier wave demand and the ratio of surplus resources.This tittle network all is known, can quantize degree of disturbance in view of the above.
By above-mentioned radio network controller, can set up the high speed ascending grouped access channel of multicarrier, thereby realize the multi-carrier transmission of high-speed upward grouped data, distribute multi-carrier resource effectively, improve the resource utilization of system.
The present invention is not only applicable to multi-carrier high-speed ascending packet data transmission system, and is suitable equally for the multi-carrier high-speed ascending packet data channel transmitted method for building up in the HSPA+ system.
More than disclosed only be preferred implementation of the present invention; but the present invention is not limited thereto; any those skilled in the art can think do not have a creationary variation, and, all should drop in protection scope of the present invention not breaking away from some improvements and modifications of being done under the principle of the invention prerequisite.
Claims (15)
1. a multi-carrier high-speed ascending packet data channel transmitted method for building up is characterized in that, comprises the steps:
A, determine sub-district needed high-speed upward grouped data transmission channel resources quantity;
B, according to the channel resource quantity that steps A is determined, from all M carrier wave of sub-district, select N carrier wave, the high-speed upward grouped data that a described N carrier resource is formed this sub-district transmits carrier resource;
C, with the grouping of the high-speed upward grouped data of described this sub-district transmission channel resource that carrier resource provided,
First group: scheduled transmission E-PUCH channel resource pool, E-AGCH and E-HICH down control channel group;
Second group: non-scheduled transmission is reserved E-PUCH channel resource pool and E-HICH channel group;
D, UE initiate the request of high-speed upward grouped data transport service,
Network side is according to the ability rating of terminal, for this UE distributes employed E-PUCH of non-scheduled transmission and E-HICH channel group; The a plurality of frequencies that distribute the E-PUCH Traffic Channel place that E-AGCH, E-HICH control channel group, the UE ability rating need UE to monitor support for scheduled transmission.
2. the method for claim 1 is characterized in that, steps A is used for high-speed upward grouped data channel transmitted resource quantity in described definite sub-district, determines according to the network planning and business demand.
3. the method for claim 1 is characterized in that, the described mode of N carrier wave of selecting from all M carrier wave of sub-district of step B is: in the middle of all M carrier wave, and nondistinctive N carrier wave or selection N the carrier wave that UE supported selected.
4. the method for claim 1 is characterized in that, the described mode of N carrier wave of selecting from all M carrier wave of sub-district of step B is: in the middle of all M carrier wave, choose and disturb carrier waves little and/or that the carrier wave idling-resource is many.
5. as claim 3 or 4 described methods, it is characterized in that, in the middle of the described step B, further comprise, from N carrier wave, select part idling-resource or whole idling-resource to form the high-speed upward grouped data transmission channel resources of this sub-district, the channel resource quantity that the high-speed upward grouped data transmission channel resources quantity of described composition requires more than or equal to steps A.
6. the method for claim 1, it is characterized in that, among the described step C, from N high-speed upward grouped data transmission carrier resource of this sub-district, select S carrier wave, and from S carrier wave, select the part idling-resource or all idling-resource be assigned as the E-PUCH channel of this sub-district, wherein 1≤S≤N.
7. method as claimed in claim 6, it is characterized in that among the described step C, the E-PUCH channel of described this sub-district is formed a common resource pool, described scheduled transmission E-PUCH channel resource pool and non-scheduled transmission E-PUCH channel resource pool, shared this common resource pool.
8. method as claimed in claim 6 is characterized in that, among the described step C, described scheduled transmission E-PUCH channel resource pool and non-scheduled transmission E-PUCH channel resource pool are separate resource pools; Wherein, scheduled transmission E-PUCH channel resource pool has S1 carrier wave, and non-scheduled transmission E-PUCH channel resource pool has S2 carrier wave, wherein 1≤S1≤S, 1≤S2≤S.
9. as claim 6,7 or 8 described methods, it is characterized in that described channel resource grouping is undertaken by the RNC that described sub-district belonged to, and sends the Node B of current area to.
10. the method for claim 1 is characterized in that, in the middle of the step D, when described UE initiates the request of high-speed upward grouped data transport service, further comprises the step that reports this UE ability rating.
11. a multi-carrier high-speed ascending packet data transmission data transmission method is used for scheduled transmission, it is characterized in that:
Utilize the described multi-carrier high-speed ascending packet data of claim 1 channel transmitted method for building up to set up channel;
Node B is according to the channel condition of the CRC check that received data last time, measurement and relevant schedule information, select the UE of service next time and the channel resource and the power resource of employing, the scheduling of UE being carried out carrier wave, time slot, code channel distributes, send the necessary control information that UE can send grouped data by down control channel E-AGCH, so that UE receives described control information;
UE sends data according to the E-AGCH control permission that receives by the E-PUCH channel.
12. a multi-carrier high-speed ascending packet data transmission data transmission method is used for non-scheduled transmission, it is characterized in that:
Utilize the described multi-carrier high-speed ascending packet data of claim 1 channel transmitted method for building up to set up channel;
RNC according to the UE ability rating with resource dispensing UE after, Node B no longer carries out resource allocation, when the resource changing of the non-scheduled transmission of service needed, RNC realizes by the reprovision of signaling;
UE sends the E-PUCH data in the frequency of reserving, time slot, code channel, power resource.
13. radio network controller, be used for multi-carrier high-speed ascending packet data channel transmitted and set up, it is characterized in that, comprising: first computing unit (201), selected cell (202), cell channel allocation units (203) and user channel allocations unit (204), wherein
Described first computing unit (201) is used for calculation plot and is used for high-speed upward grouped data channel transmitted resource quantity; According to the network planning and business demand, calculate the required channel resource quantity of high-speed upward grouped data transmission;
Described selected cell (202) is used for selecting N carrier wave, this N carrier resource to form the high-speed upward grouped data transmission carrier resource of this sub-district from the sub-district; The high-speed upward grouped data transfer resource that N the carrier wave of selecting formed will satisfy the required channel resource quantity of high-speed upward grouped data transmission that first computing unit (201) calculates;
Cell channel allocation units (203) are used for the distribution of E-PUCH traffic channel resource pond, sub-district and control channel distributes;
User channel allocations unit (204), when UE initiates high-speed upward grouped data transmission request and is allowed to, network side is that UE distributes the employed E-PUCH/E-HICH channel of non-scheduled transmission, the frequency that E-AGCH, E-HICH channel group, the ability rating support that scheduled transmission needs UE to monitor need detect.
14., it is characterized in that described cell channel allocation units (203) further comprise: scheduling transmission resources allocation units (2031) and non-scheduling transmission resources allocation units (2032) as radio network controller as described in the claim 13; Wherein,
Described scheduling transmission resources allocation units (2031) are used for scheduled transmission E-PUCH channel resource pool, E-AGCH and E-HICH down control channel set of dispense;
Described non-scheduling transmission resources allocation units (2032) are used for non-scheduled transmission and reserve E-PUCH channel resource pool and control channel E-HICH distribution.
15., it is characterized in that described user channel allocations unit (204) further comprises: resource memory cell (2041), choose unit (2042) and resource allocation unit (2043) as radio network controller as described in claim 13 or 14; Wherein,
Described resource memory cell (2041) is used for memory scheduling transmission and non-scheduled transmission available channel resources information; Each channel resource uses frequency, time slot, code channel to identify;
The described unit (2042) of choosing is connected with described cell channel allocation units (203) with resource memory cell (2041), be used for obtaining the available channel resources and the corresponding channel condition information of unappropriated carrier wave, and choose the available channel resources of the carrier wave of channel condition optimum from described resource memory cell (2041);
Described resource allocation unit (2043) is used for obtaining described available channel resources and distributing from the described unit of choosing.
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| CN101478808B (en) * | 2009-01-21 | 2014-03-19 | 中兴通讯股份有限公司 | Downlink control information sending and detecting method |
| US20100214938A1 (en) * | 2009-02-24 | 2010-08-26 | Qualcomm Incorporated | Flexible data and control multiplexing |
| CN101841854B (en) * | 2009-03-17 | 2013-01-02 | 华为技术有限公司 | Method, system, network side equipment and user equipment for dispatching uplink multiple carriers |
| CN101959234B (en) * | 2009-07-21 | 2013-07-17 | 鼎桥通信技术有限公司 | Method for realizing multi-carrier HSUPA |
| CN102075998A (en) * | 2009-11-24 | 2011-05-25 | 中兴通讯股份有限公司 | Power control command notification method and system in carrier aggregation system |
| CN102083184B (en) * | 2009-11-27 | 2015-04-01 | 中兴通讯股份有限公司 | Method and system for multicarrier and multichannel power distribution in carrier aggregation |
| CN102238712B (en) * | 2010-04-26 | 2013-12-25 | 鼎桥通信技术有限公司 | Method for distributing non-rectangular enhanced physical uplink channel (E-PUCH) resources in high speed uplink packet access (HSUPA) |
| CN102685898B (en) * | 2011-03-16 | 2014-10-22 | 鼎桥通信技术有限公司 | Multi-carrier HSPA (high speed packet access) transmission method, system, base station and user equipment |
| WO2015176271A1 (en) * | 2014-05-22 | 2015-11-26 | 华为技术有限公司 | Signal transmission and receiving method, device and system |
| CN113285791A (en) | 2015-05-15 | 2021-08-20 | 华为技术有限公司 | Communication device and method |
| EP3737193B1 (en) * | 2015-08-19 | 2024-03-27 | Huawei Technologies Co., Ltd. | Data transmission method, device, and system |
| CN112887106B (en) * | 2018-09-30 | 2022-11-25 | Oppo广东移动通信有限公司 | Communication method and device and communication equipment |
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