ETSI TS 125 309-2006 Universal Mobile Telecommunications System (UMTS) FDD enhanced uplink Overall description Stage 2《全球移动通信系统(UMTS) FDD增强的上行链路 总体描述 第2阶段 3GPP TS 25 309(版本6 6 0 第6.pdf

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1、 ETSI TS 125 309 V6.6.0 (2006-03)Technical Specification Universal Mobile Telecommunications System (UMTS);FDD enhanced uplink;Overall description;Stage 2(3GPP TS 25.309 version 6.6.0 Release 6)ETSI ETSI TS 125 309 V6.6.0 (2006-03) 1 3GPP TS 25.309 version 6.6.0 Release 6 Reference RTS/TSGR-0225309v

2、660 Keywords UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice Individual copies of the pres

3、ent document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case

4、of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and

5、other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be reproduced except as authorized

6、 by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2006. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON

7、 logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TS 125 309 V6.6.0 (2006-03) 2 3GPP TS 25.309 version 6.6.0 Release 6 Intellectual Prope

8、rty Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Es

9、sential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, h

10、as been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by E

11、TSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM

12、, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp . ETSI ETSI TS 125 309 V6.6.0 (2006-03) 3 3GPP TS 25.309 version 6.6.0 Release 6 Contents Intellectual Property Rights2 Foreword.2 Foreword.5 1 Scope 6 2 References 6 3 Definitions and abbreviations.6 3.1 Def

13、initions6 3.2 Abbreviations .7 4 Background and Introduction.7 5 Requirements8 6 Overall architecture of enhanced uplink DCH .8 6.1 Protocol architecture.8 6.2 Transport channel attributes .9 6.3 Basic physical structure9 6.3.1 UL Physical layer model.9 6.3.2 DL Physical layer model.10 7 MAC archite

14、cture.11 7.1 General Principle11 7.1.1 MAC multiplexing11 7.1.2 Reordering entity 11 7.2 MAC architecture UE side 12 7.2.1 Overall architecture.12 7.2.2 Details of MAC-d .13 7.2.3 Details of MAC-c/sh.14 7.2.4 Details of MAC-hs14 7.2.5 Details of MAC-es/MAC-e.14 7.3 MAC architecture UTRAN side15 7.3.

15、1 Overall architecture.15 7.3.2 Details of MAC-d .17 7.3.3 Details of MAC-c/sh.18 7.3.4 Details of MAC-hs18 7.3.5 Details of MAC-es18 7.3.6 Details of MAC-e .19 8 HARQ protocol 20 8.1 General Principle20 8.2 Error handling 21 8.3 Signalling .21 8.3.1 Uplink .21 8.3.2 Downlink 21 9 Node B controlled

16、scheduling 21 9.1 General Principle21 9.2 UE scheduling operation 23 9.2.1 Grants from the Serving RLS .23 9.2.2 Grants from the Non-serving RL 24 9.2.3 Reception of Grants from both the Serving RLS and Non-serving RL(s) 24 9.3 Signalling .25 9.3.1 Uplink .25 9.3.1.1 Scheduling Information.25 9.3.1.

17、1.1 Content 25 9.3.1.1.2 Triggers .25 ETSI ETSI TS 125 309 V6.6.0 (2006-03) 4 3GPP TS 25.309 version 6.6.0 Release 6 9.3.1.1.3 Transmission and Reliability scheme 25 9.3.1.2 Happy bit of E-DPCCH 26 9.3.2 Downlink 26 10 Non-scheduled transmissions.26 11 QoS control 27 11.1 General Principle27 11.1.1

18、QoS configuration principles 27 11.2 TFC and E-TFC selection.28 11.3 Setting of Power offset attributes of MAC-d flows29 12 Signalling parameters.29 12.1 Uplink signalling parameters29 12.2 Downlink signalling parameters.30 13 Mobility procedures .31 13.1 Change of serving cell and/or serving RLS31

19、14 Resource Management .31 14.1 Scheduler control from CRNC to Node B31 14.2 Node B to CRNC reporting 32 Annex A (informative): Change history .33 History 34 ETSI ETSI TS 125 309 V6.6.0 (2006-03) 5 3GPP TS 25.309 version 6.6.0 Release 6 Foreword This Technical Specification has been produced by the

20、3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of relea

21、se date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. t

22、echnical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 125 309 V6.6.0 (2006-03) 6 3GPP TS 25.309 version 6.6.0 Release 6 1 Scope The present document is a technical specification of the overa

23、ll support of FDD Enhanced Uplink in UTRA. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. References are either specific (identified by date of publication, edition number, version number, etc.) or non-spe

24、cific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Releas

25、e as the present document. 1 3GPP TR 25.896: “Feasibility Study for Enhanced Uplink for UTRA FDD“. 2 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 3 3GPP TS 25.214: “Physical layer procedures (FDD)“. 4 3GPP TS 25.321: “Medium Access Control (MAC) protocol specification“. 5 3GPP TS 25.427: “U

26、TRAN Iub/Iur interface user plane protocol for DCH data streams“ 6 3GPP TS 25.212: “Multiplexing and channel coding (FDD)“. 7 3GPP TS 25.215: “Physical layer - Measurements (FDD)“. 8 3GPP TS 25.306: “UE Radio Access capabilities“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of t

27、he present document, the terms and definitions given in 3GPP TR 21.905 2 and the following apply: Active Process: HARQ process for which Scheduling Grants are applicable, i.e. scheduled data can be sent. Data Description Indicator (DDI): MAC-e header field used to identify the logical channel, MAC-d

28、 flow and the size of the MAC-d PDUs concatenated into a MAC-es PDU. E-DCH: Enhanced DCH, a new dedicated transport channel type or enhancements to an existing dedicated transport channel type. E-DCH active set: The set of cells which carry the E-DCH for one UE. E-DCH MAC-d flow: MAC-es PDUs, carryi

29、ng MAC-d data sharing the same traffic characteristics, and that can be multiplexed with MAC-es PDUs of same or other MAC-d flows on MAC-e. HARQ profile: One HARQ profile consists of a power offset attribute and maximum number of transmissions. Inactive Process: HARQ process for which Scheduling Gra

30、nts are not applicable, i.e. scheduled data cannot be sent. ETSI ETSI TS 125 309 V6.6.0 (2006-03) 7 3GPP TS 25.309 version 6.6.0 Release 6 INACTIVE: Absolute Grant value that can be sent by the serving cells scheduler on the E-AGCH to deactivate a process or to switch the UE to its secondary E-RNTI.

31、 Power offset attribute: Represents the power offset between E-DPDCH(s) and reference E-DPDCH power level for a given E-TFC. This power offset attribute is set to achieve the required QoS in this MAC-d flow when carried alone in a MAC-e PDU and subsequently in the corresponding CCTrCh of E-DCH type.

32、 Details on the mapping on Beta factors can be found in 3. The reference E-DPDCH power offset is signaled to the UE for one (or several) reference E-TFC(s) (see details in subclause 11.1). Primary Absolute Grant: Absolute Grant received with the primary E-RNTI. Secondary Absolute Grant: Absolute Gra

33、nt received with the secondary E-RNTI. Serving E-DCH cell: Cell from which the UE receives Absolute Grants from the Node-B scheduler. A UE has one Serving E-DCH cell. Serving E-DCH RLS or Serving RLS: Set of cells which contains at least the Serving E-DCH cell and from which the UE can receive and c

34、ombine one Relative Grant. The UE has only one Serving E-DCH RLS. Non-serving E-DCH RL or Non-serving RL: Cell which belongs to the E-DCH active set but does not belong to the Serving E-DCH RLS and from which the UE can receive one Relative Grant. The UE can have zero, one or several Non-serving E-D

35、CH RL(s). 3.2 Abbreviations For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 2 and the following apply: AG Absolute Grant E-AGCH E-DCH Absolute Grant Channel E-DPCCH E-DCH Dedicated Physical Control Channel E-DPDCH E-DCH Dedicated Physical Data Channel E-HICH E-DCH

36、 HARQ Acknowledgement Indicator Channel E-RGCH E-DCH Relative Grant Channel E-RNTI E-DCH Radio Network Temporary Identifier E-TFC E-DCH Transport Format Combination HARQ Hybrid Automatic Repeat Request HSDPA High Speed Downlink Packet Access RG Relative Grant RLS Radio Link Set RSN Retransmission Se

37、quence Number SG Serving Grant TSN Transmission Sequence Number 4 Background and Introduction The technical objective of the FDD Enhanced Uplink work item is to improve the performance of uplink dedicated transport channels, i.e. to increase capacity and throughput and reduce delay. This work item i

38、s applicable for UTRA FDD only. Among the techniques considered in 1, the following techniques are part of the work item: - Node B controlled scheduling: possibility for the Node B to control, within the limits set by the RNC, the set of TFCs from which the UE may choose a suitable TFC, - Hybrid ARQ

39、: rapid retransmissions of erroneously received data packets between UE and Node B, - Shorter TTI: possibility of introducing a 2 ms TTI. ETSI ETSI TS 125 309 V6.6.0 (2006-03) 8 3GPP TS 25.309 version 6.6.0 Release 6 5 Requirements - The Enhanced Uplink feature shall aim at providing significant enh

40、ancements in terms of user experience (throughput and delay) and/or capacity. The coverage is an important aspect of the user experience and that it is desirable to allow an operator to provide for consistency of performance across the whole cell area. - The focus shall be on urban, sub-urban and ru

41、ral deployment scenarios. - Full mobility shall be supported, i.e., mobility should be supported for high-speed cases also, but optimisation should be for low-speed to medium-speed scenarios. - The study shall investigate the possibilities to enhance the uplink performance on the dedicated transport

42、 channels in general, with priority to streaming, interactive and background services. Relevant QoS mechanisms shall allow the support of streaming, interactive and background PS services. - It is highly desirable to keep the Enhanced Uplink as simple as possible. New techniques or group of techniqu

43、es shall therefore provide significant incremental gain for an acceptable complexity. The value added per feature/technique should be considered in the evaluation. It is also desirable to avoid unnecessary options in the specification of the feature. - The UE and network complexity shall be minimise

44、d for a given level of system performance. - The impact on current releases in terms of both protocol and hardware perspectives shall be taken into account. - It shall be possible to introduce the Enhanced Uplink feature in a network which has terminals from Release99, Release 4 and Release 5. The E

45、nhanced Uplink feature shall enable to achieve significant improvements in overall system performance when operated together with HSDPA. Emphasis shall be given on the potential impact the new feature may have on the downlink capacity. Likewise it shall be possible to deploy the Enhanced Uplink feat

46、ure without any dependency on the deployment of the HSDPA feature. However, a terminal supporting the Enhanced Uplink feature must support HSDPA. 6 Overall architecture of enhanced uplink DCH 6.1 Protocol architecture The following modifications to the existing nodes are needed to support enhanced u

47、plink DCH: UE A new MAC entity (MAC-es/MAC-e) is added in the UE below MAC-d. MAC- es/MAC-e in the UE handles HARQ retransmissions, scheduling and MAC-e multiplexing, E-DCH TFC selection. Node B A new MAC entity (MAC-e) is added in the Node B to handle HARQ retransmissions, scheduling and MAC-e demu

48、ltiplexing. S-RNC A new MAC entity (MAC-es) is added in the SRNC to provide in-sequence delivery (reordering) and to handle combining of data from different Node Bs in case of soft handover. The resulting protocol architecture is shown in Figure 6.1-1: ETSI ETSI TS 125 309 V6.6.0 (2006-03) 9 3GPP TS

49、 25.309 version 6.6.0 Release 6 PHY PHY EDCH FP EDCH FP Iub UE NodeB Uu DCCH DTCH TNL TNL DTCH DCCH MAC-e SRNC MAC-d MAC-e MAC-d MAC-es / MAC-e MAC-es Iur TNL TNL DRNC Figure 6.1-1: Protocol Architecture of E-DCH 6.2 Transport channel attributes The E-DCH transport channel has the following characteristics: - E-DCH and DCH use separate CCTrCHs - There is only one CCTrCH of E-DCH type per UE; - There is only one E-DCH per CCTrCH of E-DCH type; - There is only one transport block per TTI; - Both 2 ms TTI and 10 ms TTI are supported by the E-DCH

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