CN101335979A - High-speed uplink packet access method of multi-carrier system - Google Patents
High-speed uplink packet access method of multi-carrier system Download PDFInfo
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Abstract
The invention relates to a high speed up link grouping access method of a multicarrier system, comprising: arranging E-AGCH, E-PUCH and E-HICH physical channel on one or a plurality of carriers; distributing useable E-AGCH, E-PUCH and E-HICH physical channel to for associate use on one or a plurality of carrier(s) through high level signaling; respectively building a MAC-e/MAC-es entity and a HARQ entity thereof and a course shared by each carrier at a network side and a terminal side, dynamically mapping the scheduling E-DCH transmitting data onto an E-PUCH physical channel of a carrier through the entity. The Node B dynamically schedules and authorizes the E-PUCH physical channel of the carrier to the terminal for E-DCH data transmission through E-AGCH carried with carrier indicating information. Receiving condition of E-DCH transmission on the carrier is fed back through the E-HICH physical channel.
Description
Technical field
The present invention relates to mobile communication, be specifically related to a kind of high-speed uplink packet access method of multicarrier system.
Background technology
(1) in order to satisfy the growing demand of user to the high-speed upward grouped data business, support to higher quality of service also is provided in order to match with high-speed downlink packet access High Speed Downlink Packet Access (being called for short HSDPA) technology better, 3GPP inserts High Speed Uplink Packet Access (being called for short HSUPA) technology in the High Speed Uplink Packet that Rel6 and Rel7 have introduced based on Wideband Code Division Multiple Access (WCDMA) Wideband Code Division Multiple Access (being called for short WCDMA) system and TD SDMA Time Division Code SynchronizationDivision Multiple Access (being called for short TD-SCDMA) system respectively, perhaps is referred to as dedicated channel Enhanced Dedicated Channel (the being called for short E-DCH) technology of up enhancing Enhanced Uplink or enhancing.HSUPA adopt to mix automatic repeat requests HARQ, high order modulation (16QAM), node Node B fast dispatch and based on the technology such as reverse RoT control of T/P, can obtain higher user's peak rate, cell data throughput and reach stable reverse RoT to control.
(2) HSUPA has inherited technology such as HARQ, fast dispatch from HSDPA, and has increased the distinctive Enhanced Technology of some ul transmissions on this basis.HSUPA has adopted the asynchronous HARQ mode of incremental redundancy (IR), merges and coding gain by obtaining to retransmit, and improves systematic function.The mode that retransmission mechanism is also the same with HSDPA have been adopted that the N channel stops and wait.
Physical layer carrying aspect, HSUPA has introduced new Physical Shared Channel E-PUCH and has carried corresponding transmission channel E-DCII.Simultaneously, in order to finish control corresponding, scheduling and feedback, HSUPA has introduced E-RUCCH, E-AGCH and three physical control channels of E-HICH in physical layer.Wherein the terminal UE that is used under the CELL_DCH state of E-RUCCH is not having under the situation of resource authorization request authorize to carry out transfer of data, its transmission means is the access way of preemptive type, process is identical with Physical Random Access Channel PRACH, and can share physical code channel with PRACH.For the current UE that mandate is arranged, also the multiplexing Node B that passes in the MAC-e of E-PUCH PDU of schedule information that can UE is current (SI) is to reach the purpose of dispatch request.Schedule information (SI) comprises: information such as power headroom, path loss, buffer size.
E-AGCH is used for Node B and transmits the scheduling resource authorization message to UE, and it comprises following physics control information: power authorization message, time slot authorization message, code channel authorization message, interim user network identity, the number of E-UCCH, the indication of resource continuous time, E-DCH cyclic sequence number, the indication of E-HICH channel etc.
E-HICH is used for Node B and feeds back the ACK/NACK information of each transmission block to UE, and in order to reduce the physical channel expense, E-HICH has adopted the mode of secondary spread spectrum, can be implemented in maximum 80 the signature users of carrying on the original physical code channel.The user's signature sequence is related with the resource dynamic of distribution simultaneously, can satisfy the demand of supporting that the Large Volume Data user is simultaneously online.
UE is set up/distributed to when reshuffling to the E-AGCH channel by RNC at radio bearer.E-AGCH manages in the mode of gathering and distributes, and a UE can distribute a set, and a set can comprise 1～4 E-AGCH physical channel.UE monitors all E-AGCH channels, and each time interval TTI (5ms) identifies relevant scheduling authorization information on maximum 1 the E-AGCH channel that read wherein according to UE, to carry out the E-PUCH channels transmit.
A sub-district can dispose many E-HICH physical channels.RNC sets up/distributes to when reshuffling UE1～4 an E-HICH physical channel at radio bearer.During concrete the use, each TTI gives UE by NodeB by wherein 1 of E-AGCH dynamic assignment.
HSUPA has introduced MAC-e/MAC-es sublayer (entity) at the media access control MAC layer of UE and Node B/RNC, finishes functions such as relevant scheduling, processed, feedback, re-transmission.Directly provide at network side resource authorization and ACK/NACK feedback, can improve the speed of scheduling and transmission/re-transmission significantly, reduce the whole time delay of transfer of data by the MAC-e sublayer that is positioned at Node B; Network side MAC-es sublayer is positioned at RNC, is used to guarantee the transmission according to the order of sequence of packet.In addition, in the UE side, each TTI of UE (5ms) carries out E-TFC according to current authorization message with the benchmark E-PUCH power that is subjected to the base station closed-loop control and selects, and selects suitable transmission block size and modulation system (modulation system and transmission block size implicit associations).
Except based on the transmission means of authorizing, i.e. scheduled transmission, it is professional and guarantee the qos requirement of rate business that the transmission that HSUPA has also introduced non-scheduling solves delay sensitive.The dispatch request, wireless propagation environment He Lin district that the resource of scheduled transmission is taken all factors into consideration all UE by Node B disturbs factor such as inhibitions to distribute in real time, this scheduling mode relatively be suitable for those sudden strong, flowed fluctuations greatly, to the insensitive business of time delay; But not the scheduling mode be the transmission resource by the semi-static in advance distribution of RNC, this mode is fit to the type of service senses quicker to time delay such as SRB, GBR.From the horizontal direction of carrying, the correlated resources of these two kinds of scheduling modes, as the HARQ entity, separate.The single carrier wave of each UE allows 8 HARQ processes at most, and wherein scheduled transmission and non-scheduled transmission account for 4 respectively.
(3) below, the HSUPA technical method step in the present single carrier TD-SCMDA system further is summarized as follows:
1. for scheduled transmission:
1, E-PUCH, E-AGCH and E-HICH physical channel are configured on the single carrier wave;
2, be that a UE distributes E-AGCH and E-HICH physical channel resources pond on single carrier wave;
3, at single carrier,, be that a UE sets up a MAC-e/MAC-es entity in the MAC-e/MAC-es sublayer; E-DCH transmission data are mapped on the E-PUCH physical channel resources of this single carrier by this MAC-e/MAC-es entity;
4, Node B gives UE by the E-PUCH physical channel resources on this single carrier of E-AGCH dynamic dispatching mandate;
5, feeding back ACK/nack message on an E-HICH channel on this single carrier.
2. for non-scheduled transmission:, transmit relevant resource and use this resource to carry out non-dispatch E-DCH transmission by the non-dispatch E-DCH of RNC static allocation on this single carrier at each UE;
3. TTI, UE dispatches or non-scheduled transmission.
(4) especially, for the above-mentioned TD-SCDMA HSUPA of system technology, adopt the TDD single carrier operation mode of relative arrowband, i.e. carrier wave in a sub-district, theoretical peak speed based on QPSK can reach 1.1Mbps, and can reach 2.2Mbps (relevant details can with reference to 3GPP) based on the theoretical peak speed of 16QAM.If the HSUPA technology is incorporated in the multi-carrier TD-SCDMA system, then can further improve the applicability of the throughput and the HSUPA technology of HSUPA technology in the TD-SCDMA system.Multi-carrier TD-SCDMA system has following characteristics: in multi-carrier TD-SCDMA system, and a plurality of carrier waves that the sub-district comprises.A carrier wave in a plurality of carrier waves is a main carrier, and other carrier wave is auxilliary carrier wave, only on main carrier, set up and use all or/the part common signal channel.Therefore, if use the HSUPA technology in multi-carrier TD-SCDMA system, then can carry out the HSUPA transmission on a plurality of carrier waves (N carrier wave) of a sub-district, the up N that can obtain of one side is doubly to the throughput of single carrier HSUPA; Resource is given UE on all right on the other hand dynamic dispatching different carrier, improves QoS.But, do not have the HSUPA technology implementation method of utilizing a plurality of carrier waves in multicarrier TD-SCMDA system at present.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of high-speed uplink packet access method of multicarrier system, can significantly improve the HSUPA uplink throughput than the HSUPA transmission means of single carrier TD-SCMDA system, and improve QoS.
Above-mentioned technical problem of the present invention solves like this, and a kind of high-speed uplink packet access method of multicarrier system is provided, and is applied in the multicarrier TD-SCMDA system, comprises scheduled transmission and non-scheduled transmission, wherein:
Scheduled transmission comprises:
In the sub-district, dispose E-AGCH, E-PUCH and E-HICH physical channel on one or more carrier waves; Be to distribute operational E-AGCH and E-HICH physical channel on terminal one or more carrier wave in described a plurality of carrier waves in the sub-district; Set up MAC-e/MAC-es entity and HARQ entity and the process that each carrier wave is shared respectively in network side and UE side, by this entity dispatch E-DCH is transmitted on the E-PUCH physical channel that Data Dynamic maps to any carrier wave in described one or more carrier wave again; Node B is used for the E-DCH transfer of data by an E-PUCH physical channel that carries this any carrier wave of E-AGCH dynamic dispatching mandate of carrier wave indication information to UE; Node B selects the reception condition of an E-HICH physical channel feedback scheduling E-DCH transmission on the carrier wave.
Non-scheduled transmission comprises:
For UE in the sub-district distributes a carrier wave and distribute non-dispatch E-DCH transfer resource on this carrier wave, non-dispatch E-DCH transmission data are transmitted by this resource.
According to cut-in method provided by the invention, being transmitted in of described scheduling or non-dispatch E-DCH transmission data can only be selected one at interval at the same time and carried out, that is: a TTI can only carry out scheduled transmission or non-scheduled transmission.
According to cut-in method provided by the invention, the concrete quantity of described one or more carrier wave or concrete individual for the UE in the sub-district, is inequality or identical, that is: can flexible allocation.
According to cut-in method provided by the invention, in the MAC-e/MAC-es of described foundation entity, except that HARQ entity and process were shared by a plurality of carrier waves, the E-TFC in the MAC-e/MAC-es entity of UE side selected the E-DCH controlled entity in the MAC-e entity of entity and scheduling access control entity and network side also to be shared by a plurality of carrier waves.
According to cut-in method provided by the invention, in each time interval, described any carrier wave can change in described one or several carrier waves to be selected, and at a TTI, only selects a carrier wave that is:; At a plurality of TTI, can select corresponding a plurality of carrier waves.
According to cut-in method provided by the invention, at a terminal, described non-dispatch E-DCH transfer resource place carrier wave can be used for transmitting non-dispatch E-DCH transmission data or not, that is: non-scheduling resource and scheduling resource can be on carrier waves, also can be not on a carrier wave.
According to cut-in method provided by the invention, described non-dispatch E-DCH transfer resource place carrier wave can be identical or different for all terminals in the sub-district, that is: can select in the sub-district one or several carrier wave in all carrier waves as the distribution object of non-scheduling resource.
According to cut-in method provided by the invention, at a terminal, the non-scheduling resource of its distribution and scheduling resource can at the same time at interval, all only carry out scheduled transmission or non-scheduled transmission on same or different carrier.
According to cut-in method provided by the invention, the step of operational E-AGCH of described distribution and E-HICH physical channel can also be the carrier resource of the operational E-PUCH physical channel of terminal distribution by RNC or Node B; And, the E-AGCH on the same carrier wave and E-HICH or the related use of E-HICH with the E-PUCH physical channel.
According to cut-in method provided by the invention, the step that described Node B selects an E-HICH physical channel on the carrier wave specifically: select an E-HICH physical channel on the E-AGCH place carrier wave that Node B uses or the E-PUCH place carrier wave of mandate when authorizing the E-PUCH physical channel resources.
According to cut-in method provided by the invention, described is the step of distributing operational E-AGCH, E-HICH physical channel in the sub-district on terminal one or more carrier wave in described a plurality of carrier waves, initiate to Node B by Iub interface by RNC at network side that Radio Link in the NBAP agreement is set up process and wireless links reconfiguration course is realized, perhaps realize in that Node B is inner.
According to cut-in method provided by the invention, described is the step of distributing operational E-AGCH, E-HICH physical channel in the sub-district on terminal one or more carrier wave in described a plurality of carrier waves, the RRC that is initiated in the RRC agreement to terminal by the network side and the interface of terminal room by RNC or Node B is connected the process of foundation, or radio bearer is set up process, or radio bearer reconfiguration course, or radio bearer dispose procedure, or the transmission channel reconfiguration course, or physical channel reconfiguration course or cell updating course process realize.
The high-speed uplink packet access method of a kind of multicarrier system provided by the invention, present existing single carrier TD-SCDMA HSUPA technology transformed and improve be applied to multi-carrier TD-SCDMA system, specifically by on one or more carrier wave, disposing the E-PUCH physical channel resources, but TTI, UE can only carry out the dispatch E-DCH transmission on a carrier wave, and different TTI, Node B can dynamically dispatch different carrier resources and carry out the dispatch E-DCH transmission to UE, utilized the multicarrier advantage fully, not only solved the present available cell uplink throughput of single carrier TD-SCDMA HSUPA technology problem on the low side, and for scheduled transmission, resource is given UE on can the dynamic dispatching different carrier, improves QoS.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a scheduled transmission schematic flow sheet in the high-speed uplink packet access method of the present invention;
Fig. 2 is MAC-es/e entity and the functional entity and the E-DCH mapping schematic diagram of UE side in the high-speed uplink packet access method of the present invention;
Fig. 3 is MAC-e entity and the functional entity and the E-DCH reception schematic diagram of network side in the high-speed uplink packet access method of the present invention.
Embodiment
At first, basis of the present invention is described:
Based on single carrier HSUPA, the same with the HSUPA technology of single-carrier cell in multi-carrier district, upstream data service sends by the E-DCH transmission channel; The MAC layer comprises a MAC-e/MAC-es sublayer, finishes functions such as relevant scheduling, processed, feedback, re-transmission; Transmission channel E-DCII is mapped on the E-PUCH physical channel, and the scheduling authorization information that the E-PUCH physical channel is relevant sends by E-AGCH, uses E-HICH to come feeding back ACK/nack message.
Secondly, key of the present invention is described: single carrier HSUPA scheduled transmission method and non-scheduled transmission method are transformed, and the inventive method is specific as follows:
(1) for scheduled transmission:
1, E-PUCH, E-AGCH and E-HICH physical channel are configured on one or more carrier waves;
2, be that a UE distributes E-AGCH and E-HICH physical channel resources pond;
3, in the MAC-e/MAC-es sublayer, be that a UE sets up a MAC-e/MAC-es entity; This entity is shared by a plurality of carrier waves, and HARQ entity wherein and process thereof are also shared by a plurality of carrier waves; E-DCH transmission data dynamically are mapped on the E-PUCH physical channel resources of a carrier wave by this MAC-e/MAC-es entity;
4, carry a carrier wave indication information on the E-AGCH physical channel, Node B gives UE by the E-PUCH physical channel resources on carrier wave of an E-AGCH dynamic dispatching mandate;
5, feeding back ACK/nack message on an E-HICH channel on the carrier wave.
(2) for non-scheduled transmission: at UE, distribute a carrier resource by RNC, and employing and the identical method of the single carrier TD-SCMDA HSUPA of system technology, on this carrier wave, distribute and use the relevant resource of non-dispatch E-DCH transmission to carry out non-dispatch E-DCH and transmit;
Simultaneously, a TTI, UE dispatch or non-scheduled transmission.
At last, describe the inventive method in detail in conjunction with instantiation in the multi-carrier TD-SCDMA system:
In multi-carrier TD-SCDMA system, if set up a multi-carrier district (method for building up of multi-carrier district can referring to communication industry standards such as " 2GHz TD-SCDMA digital mobile cellular telecommunication net height speed downlink grouped insert the specification requirement of (HSDPA) Iub interface "), comprising N carrier wave, as shown in Figure 1, realize in this multi-carrier district that then above-mentioned HSUPA method comprises:
(1) to scheduled transmission:
1, dispose E-AGCH, E-PUCH and E-HICH physical channel resources on one or more carrier wave in multi-carrier district.
In this process, to compare with the corresponding physical channel in the HSUPA technology in the single carrier TD-SCDMA system, the E-PUCH of configuration and E-HICH physical channel structure are just the same, carry a carrier wave indication information and need on the E-AGCH physical channel to increase.
At network side, press existing network infrastructure, be that wireless network is made up of RNC and two network elements of Node B, and RNC is connected by Iub interface with Node B, and then this process can be initiated that Physical Shared Channel (the Physical SharedChannel Reconfiguration) process of reshuffling realize in the NBAP agreement by RNC to Node B by Iub interface.In " PHYSICAL SHARED CHANNELRECONFIGURATION REQUEST " message, in the information in configuration E-PUCH and E-HICH and E-AGCH physical channel resources pond, comprise its carrier wave attribute information, to indicate the carrier frequency attribute of these physical channels, dispose E-PUCH and E-HICH and E-AGCH physical channel resources pond on a plurality of carrier waves thereby be implemented in.If the wireless network of network side has only network element of Node B, then this process cooperatively interacts between can the correlation function module by Node B inside and realizes.
In this process, as shown in Figure 3, in Node B, set up an E-DCH scheduling entity simultaneously and manage these carrier waves and physical channel resources thereof.
2, RNC and/or Node B are that a UE distributes E-AGCH and E-HICH physical channel resources pond.
In a multi-carrier district, when RNC and/or Node B are defined as a UE and distribute the E-PUCH resource to carry out the E-DCH transmission, with HSUPA technology type in the single carrier TD-SCDMA system seemingly, RNC and/or Node B need be that a UE divides E-AGCH and the E-HICH physical channel resources pond that is used in the transmission of control signaling by high-level signaling.RNC and/or Node B need to consider that the up and/or descending carrier of UE and physical channel receive and/or emissivities when distributing and using these resources subsequently, therefore, in the related higher-level signaling in this process, can also carry the relevant information of UE ability.
At RNC and/or Node B is when a UE distributes E-AGCH and E-HICH physical channel resources pond, the carrier resource that can also distribute the E-PUCH physical channel, promptly all dispose in the carrier wave of E-PUCH physical channel resources at this multi-carrier district, may distribute the carrier resource of E-PUCH physical channel resources thereon for this UE.Equally, when distributing the carrier resource of E-PUCH physical channel, can consider that also up the and/or descending carrier of UE and physical channel receive and/or emissivities
RNC and/or Node B are when being a UE distribution E-AGCH and E-HICH physical channel resources pond, E-AGCH on the same carrier wave and E-HICH physical channel can be associated, be that one or more of E-AGCH and E-HICH physical channel resources can be distributed on one or more carrier wave, but must dispose one or more of E-AGCH and E-HICH physical channel simultaneously at a carrier wave.In use subsequently, the related use of E-AGCH on the same carrier wave with the E-HICH physical channel, be certain TTI, if use an E-AGCH on the carrier wave to send E-PUCH physical channel scheduling authorization information, then on the E-HICH channel on the same carrier wave, send the reception condition information of E-DCH data.For this configuration, when requiring in the step 1 the configures physical channel, guarantee to dispose E-AGCH and E-HICH physical channel simultaneously on the carrier wave.
RNC and/or Node B can distribute the E-AGCH physical channel on one or more carrier wave when being a UE distribution E-AGCH physical channel resources pond, can dispose one or more of on each carrier wave.RNC and/or Node B can be associated the E-HICH physical channel when being a UE distribution E-HICH physical channel resources pond with E-PUCH physical channel carrier resource.At this moment, can also indicate the carrier resource of E-PUCH physical channel simultaneously by being UE distribution E-HICH physical channel resources on the carrier wave that disposes the E-PUCH physical channel resources at one or more.For this configuration, when requiring in the step 1 the configures physical channel, guarantee to dispose E-PUCH and E-HICH physical channel simultaneously on the carrier wave.
Particularly, at network side, press existing network infrastructure, usually be defined as a UE and carry out the E-DCH transmission and initiate Radio Link in the NBAP agreement by Iub interface to Node B and set up process and realize distributing and the relevant resource of dispatch E-DCH transmission with wireless links reconfiguration course by RNC.Usually, come to distribute E-AGCH and E-HICH physical channel resources pond by Node B for UE, comprising the distribution of these physical channel carrier wave attributes, and set up response RADIO LINKSETUP RESPONSE or radio link reconfiguration by Radio Link and be ready to complete RADIO LINKRECONFIGURATION READY message and send to RNC.And E-PUCH physical channel carrier resource can be distributed by RNC or Node B.If distribute E-PUCH physical channel carrier resource, then set up and ask RADIO LINK SETUPREQUEST or radio link reconfiguration to prepare to comprise and the relevant indication information of E-PUCH physical channel carrier resource in the RADIO LINK RECONFIGURATIONPREPARE message at the Radio Link that sends to Node B by RNC; If distribute E-PUCH physical channel carrier resource, then set up response RADIO LINK SETUP RESPONSE or radio link reconfiguration and be ready to complete in the RADIO LINK RECONFIGURATION READY message and comprise and the relevant indication information of E-PUCH physical channel carrier resource at the Radio Link that sends to RNC by Node B.If the wireless network of network side has only network element of Node B, then this process cooperatively interacts between can the correlation function module by Node B inside and realizes.
RNC and/or Node B send to UE with the relevant resource of dispatch E-DCH transmission of above-mentioned distribution by high-level signaling.Press existing network infrastructure, this process is connected the process of foundation (RRC connectionestablishment) by the RRC that RNC initiates in the RRC agreement to UE by Uu interface (interface between network side and UE), radio bearer is set up process (radio bearer establishment), radio bearer reconfiguration course (radio bearer reconfiguration), radio bearer dispose procedure (the radio bearerrelease), transmission channel reconfiguration course (transport channel reconfiguration), physical channel reconfiguration course (physical channel reconfiguration), cell updating course processes such as (cell update) realizes, at corresponding " RRC CONNECTION SETUP ", " RADIO BEARERSETUP ", " RADIO BEARER RECONFIGURATION ", " RADIO BEARERRELEASE ", " TRANSPORT CHANNEL RECONFIGURATION ", " PHYSICAL CHANNEL RECONFIGURATION ", the configuration information that comprises dispatch E-DCH transmission related resource in " CELL UPDATECONFIRM " message wherein comprises the carrier wave attribute information of physical channel in the physical channel configuration information.If the wireless network of network side has only network element of Node B, then transmit relevant resource allocation information to UE by sending E-DCH with similar process of said process and message by Node B.
3, in the related resource that is UE allocation schedule E-DCH transmission, set up a MAC-e/MAC-es entity respectively at network side and UE side.This entity is shared by a plurality of carrier waves, comprises wherein HARQ entity and process.
Identical with the HSUPA technology in the above-mentioned single-carrier system, need be that UE sets up a MAC-e/MAC-es entity respectively with UE inside in the MAC-e/MAC-es sublayer in the Node of network side B/RNC, with other related entities, as the E-DCH scheduling entity, finish functions such as relevant scheduling, processed, feedback, re-transmission.As shown in Figures 2 and 3, this MAC-e/MAC-es entity is that a plurality of carrier waves are shared, and, in the MAC-e/MAC-es entity, HARQ entity wherein and process are also shared by a plurality of carrier waves, promptly identical with HSUPA technology in the single carrier TD-SCDMA system, the HARQ entity allows 8 HARQ processes at most, and wherein scheduled transmission and non-scheduled transmission account for 4 respectively.In addition, the E-TFC in the MAC-e/MAC-es entity of UE side selects entity and the E-DCH controlled entity in the MAC-e entity of dispatching access control entity and network side also to be shared by a plurality of carrier waves.At network side, if wireless network is made up of RNC and two network elements of Node B, then the MAC-e entity is positioned at Node B, and the MAC-es entity is positioned at RNC; If wireless network has only network element of Node B, then the MAC-e/MAC-es entity all is arranged in Node B.Compare with the HSUPA technology of single carrier TD-SCDMA system, the MAC-es entity and the functional entity thereof of network side are identical.
4, Node B is used for the E-DCH transfer of data by the E-PUCH physical channel resources on carrier wave of E-AGCH dynamics of channels scheduling authorization to UE.In the UE side, E-DCH transmission data dynamically are mapped on the E-PUCH physical channel of authorizing carrier wave by the MAC-e/MAC-es entity; At the Node of network side B, on the E-PUCH physical channel of authorizing carrier wave, receive the E-DCH data.
Certain TTI, if Node B determines to authorize UE to carry out the E-DCH transmission, then Node B is used for the E-DCH transfer of data by the E-PUCH physical channel resources on carrier wave of E-AGCH dynamics of channels scheduling authorization to UE.Owing to carry a carrier wave indication information on the E-AGCH channel, NodeB handles through scheduling, from a plurality of carrier waves that dispose the E-PUCH physical channel resources, select an allocation of carriers to give this UE, and this carrier wave is sent to UE by the carrier wave indication information on the E-AGCH channel.Time slot indication information and the code channel indication information of carrier wave indication information on the E-AGCH channel clearly indicates carrier wave, time slot and code channel attribute information that UE carries out the E-PUCH physical channel that E-DCH when transmission use.Time slot indication information and code channel indication information on carrier wave indication information and the E-AGCH channel are similar, and each TTI can be different, and therefore, each TTI of Node B is the E-PUCH physical channel resources on the status UE distribution different carrier dynamically.
In the UE side, certain TTI, according to the authorization message that receives from the E-AGCH channel, E-DCH transmission data are mapped on the E-PUCH physical channel of authorizing on the carrier wave in the MAC-e/MAC-es sublayer; And, on the E-PUCH physical channel of authorizing on the carrier wave, receive the E-DCH data at network side.Wherein mapping process and processing procedure and the HSUPA technology in single carrier TD-SCDMA system of physical layer of E-DCH data map to the E-PUCH physical channel of authorizing on the carrier wave is identical.
In the MAC-e/MAC-es sublayer, because the MAC-e/MAC-es entity among Node B/RNC and the UE, comprise that wherein HARQ entity and process are that a plurality of carrier waves are shared, therefore, though each TTI, UE may carry out the E-DCH transmission on different carrier waves, but shares MAC-e/MAC-es entity and HARQ entity and process.
In this process, the E-AGCH physical channel that is used for transmitting carrier wave, time slot and the code channel attribute information of E-PUCH physical channel is one that selects from the E-AGCH physical channel resources pond of step 2 for the UE distribution.Generally, after UE has been assigned with the relevant physical channel resources of above-mentioned E-DCH transmission, UE need monitor all the E-AGCH physical channels in the E-AGCH physical channel resources pond, and searches for to identify by " UE sign " on the E-AGCH channel and really distribute to the E-AGCH channel that this UE uses.At network side, Node B only need select one and be used for sending relevant scheduling authorization information from the E-AGCH physical channel resources pond of distributing for UE.
When Node B gives carrier wave, time slot and the code channel resource of UE dynamic assignment E-PUCH physical channel by E-AGCH, the E-HICH channel that Node B uses when also sending ACK/NACK subsequently by the indication of the E-HICH indication information on the E-AGCH.Corresponding to two kinds of correlating methods of the E-HICH physical channel resources in the step 2, for many E-HICH physical channels on certain carrier wave, the meaning of the E-HICH indication information on the E-AGCH is:
If E-AGCH on the same carrier wave and E-HICH physical channel are associated, then E-HICH indication information indication be with the E-AGCH same carrier wave on the E-HICH physical channel;
If the E-HICH physical channel is associated with E-PUCH physical channel carrier resource, then E-HICH indication information indication is E-HICH physical channel on the E-AGCH E-PUCH physical channel place carrier wave of authorizing.
As shown in Figure 2, carrier wave 1, carrier wave 2 dispose the E-PUCH physical channel resources to carrier wave N, and in this TTI, select and authorized carrier wave 1 and E-PUCH physical channel resources thereof to carry out E-DCH to transmit, therefore, in the UE side, the E-DCH data are mapped on the carrier wave 1 in the MAC-es/e sublayer.An E-AGCH who wherein licenses and an E-HICH physical channel that feeds back use do not illustrate in the drawings.
5, Node B gives UE by the reception condition of E-HICH physical channel feedback E-DCH transmission.
According to association of E-HICH physical channel and the configuring condition in the step 2, Node B selects an E-HICH channel and gives UE by the reception condition of this channel feedback E-DCH transmission subsequently on corresponding carrier wave, by the E-HICH indication information on the E-AGCH channel E-HICH physical channel of selecting is indicated to UE.In the UE side, according to the E-HICH channel indicating information on the association of the E-HICH physical channel in the step 2 and configuring condition and the E-AGCH channel, receive the E-HICH physical channel, and then receive the reception condition information of the E-DCH transmission of Node B feedback, i.e. ACK/NACK information.
(2) to non-scheduled transmission:
At a UE, distribute a carrier resource by RNC, and on this carrier wave, adopt the non-dispatch E-DCH transmission relevant resource allocation methods identical to distribute related resource and use this resource to carry out non-dispatch E-DCH transmission with the single carrier TD-SCMDA HSUPA of system technology.
(3) TTI, UE dispatches or non-scheduled transmission.
Certain TTI, if UE only has been assigned with scheduling or non-scheduling E-PUCH physical channel resources, then UE uses scheduling or non-scheduling E-PUCH physical channel resources to dispatch or non-scheduled transmission on corresponding carrier wave.
Certain TTI, if UE has been assigned with the E-PUCH physical channel resources of scheduling and non-scheduling simultaneously, wherein the scheduling and the E-PUCH physical channel resources of non-scheduling can be also can be on same carrier waves, and the E-PUCH physical channel resources of UE selection scheduling or non-scheduling is dispatched or non-scheduled transmission.
Claims (12)
1, a kind of high-speed uplink packet access method of multicarrier system is characterized in that, comprising: dispose E-AGCH, E-PUCH and E-HICH physical channel in the sub-district on one or more carrier waves; Be to distribute operational E-AGCH and E-HICH physical channel on terminal one or more carrier wave in described a plurality of carrier waves in the sub-district; Set up MAC-e/MAC-es entity and HARQ entity and the process that each carrier wave is shared respectively in network side and end side, by this entity dispatch E-DCH is transmitted on the E-PUCH physical channel that Data Dynamic maps to any carrier wave in described one or more carrier wave again; Node B is used for the E-DCH transfer of data by an E-PUCH physical channel that carries this any carrier wave of E-AGCH dynamic dispatching mandate of carrier wave indication information to terminal; Node B selects the reception condition of an E-HICH physical channel feedback scheduling E-DCH transmission on the carrier wave.
According to the described cut-in method of claim 1, it is characterized in that 2, this cut-in method also is included in the sub-district and distributes non-dispatch E-DCH transfer resource for carrier wave of terminal distribution and on this carrier wave, and non-dispatch E-DCH transmission data are transmitted by this resource.
According to claim 1 or 2 described cut-in methods, it is characterized in that 3, being transmitted in of described scheduling or non-dispatch E-DCH transmission data can only be selected one at interval at the same time and be carried out.
According to the described cut-in method of claim 1, it is characterized in that 4, the concrete quantity of described one or several carrier waves or concrete individual for the terminal in the sub-district, is inequality or identical.
5, according to the described cut-in method of claim 1, it is characterized in that, in the MAC-e/MAC-es of described foundation entity, except that HARQ entity and process were shared by a plurality of carrier waves, the E-TFC in the MAC-e/MAC-es entity of UE side selected the E-DCH controlled entity in the MAC-e entity of entity and scheduling access control entity and network side also to be shared by a plurality of carrier waves.
According to the described cut-in method of claim 1, it is characterized in that 6, in each time interval, described any carrier wave can change to be selected in described one or several carrier waves.
According to the described cut-in method of claim 2, it is characterized in that 7, at a terminal, described non-dispatch E-DCH transfer resource place carrier wave can be used for transmitting and scheduling E-DCH transmission data or denys; Described non-dispatch E-DCH transfer resource place carrier wave can be identical or different for all terminals in the sub-district.
According to claim 1 or 2 described cut-in methods, it is characterized in that 8, at a terminal, the non-scheduling resource of its distribution and scheduling resource can at the same time at interval, all only carry out scheduled transmission or non-scheduled transmission on same or different carrier.
According to the described cut-in method of claim 1, it is characterized in that 9, the step of operational E-AGCH of described distribution and E-HICH physical channel can also be the carrier resource of the operational E-PUCH physical channel of terminal distribution by RNC or Node B; And, the E-AGCH on the same carrier wave and E-HICH or the related use of E-HICH with the E-PUCH physical channel.
10, according to the described cut-in method of claim 1, it is characterized in that, the step that described Node B selects an E-HICH physical channel on the carrier wave specifically: select an E-HICH physical channel on the E-AGCH place carrier wave that Node B uses or the E-PUCH place carrier wave of mandate when authorizing the E-PUCH physical channel resources.
11, according to the described cut-in method of claim 1, it is characterized in that, described is the step of distributing operational E-AGCH, E-HICH and E-PUCH physical channel in the sub-district on terminal one or more carrier wave in described a plurality of carrier waves, initiate to NodeB by Iub interface by RNC at network side that Radio Link in the NBAP agreement is set up process and wireless links reconfiguration course is realized, perhaps realize in that Node B is inner.
12, according to the described cut-in method of claim 1, it is characterized in that, described is to distribute operational E-AGCH in the sub-district on terminal one or more carrier wave in described a plurality of carrier waves, the step of E-HICH and E-PUCH physical channel, the RRC that is initiated in the RRC agreement to terminal by the network side and the interface of terminal room by RNC or Node B is connected the process of foundation, or radio bearer is set up process, or radio bearer reconfiguration course, or radio bearer dispose procedure, or the transmission channel reconfiguration course, or physical channel reconfiguration course or cell updating course process realize.
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