Study on signalling and procedure for interference avoidance for in-device coexistence

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<ul><li> 1. 3GPP TR 36.816 V11.2.0 (2011-12) Technical Report 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Study on signalling and procedure for interference avoidance for in-device coexistence (Release 11)The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP.The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented.This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification.Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners Publications Offices. </li> <li> 2. Release 11 2 3GPP TR 36.816 V11.2.0 (2011-12) Keywords LTE 3GPP Postal address 3GPP support office address 650 Route des Lucioles - Sophia Antipolis Valbonne - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Internet http://www.3gpp.org Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. 2011, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC). All rights reserved.UMTS is a Trade Mark of ETSI registered for the benefit of its members3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational PartnersLTE is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational PartnersGSM and the GSM logo are registered and owned by the GSM Association 3GPP </li> <li> 3. Release 11 3 3GPP TR 36.816 V11.2.0 (2011-12)ContentsForeword............................................................................................................................................................. 51 Scope ........................................................................................................................................................ 62 References ................................................................................................................................................ 63 Definitions, symbols and abbreviations ................................................................................................... 73.1 Definitions ......................................................................................................................................................... 73.2 Symbols ............................................................................................................................................................. 73.3 Abbreviations ..................................................................................................................................................... 74 Scenarios .................................................................................................................................................. 84.1 Coexistence interference scenarios .................................................................................................................... 84.2 Usage scenarios ............................................................................................................................................... 105 Potential solutions for interference avoidance ....................................................................................... 125.1 Introduction...................................................................................................................................................... 125.1.1 Modes of interference avoidance ............................................................................................................... 125.1.1.1 Uncoordinated mode............................................................................................................................. 125.1.1.2 Coordinated within UE only ................................................................................................................. 125.1.1.3 Coordinated within UE and with network ............................................................................................ 135.1.2 Potential solution directions ....................................................................................................................... 135.1.2.1 Move LTE Signal away from ISM Band .............................................................................................. 135.1.2.2 Move ISM Radio Signal away from LTE Frequency Band.................................................................. 145.1.2.3 Time Division Multiplexing (TDM) ..................................................................................................... 145.1.2.4 LTE Power Control (LTE PC) .............................................................................................................. 155.1.2.5 ISM Power Control (ISM PC) .............................................................................................................. 155.2 Description of interference avoidance solutions .............................................................................................. 165.2.1 LTE network-controlled UE-assisted solutions .......................................................................................... 165.2.1.1A General ................................................................................................................................................. 165.2.1.1 Frequency Division Multiplexing (FDM) solution ............................................................................... 165.2.1.2 TDM solutions ...................................................................................................................................... 175.2.1.2.1 DRX based solution ........................................................................................................................ 175.2.1.2.2 HARQ process reservation based solution ...................................................................................... 185.2.1.2.3 Uplink scheduling restriction based solution .................................................................................. 205.2.1.3 LTE power control solutions ................................................................................................................ 205.2.2 UE autonomous solutions ........................................................................................................................... 205.2.2.1 TDM solutions ...................................................................................................................................... 205.2.2.1.1 LTE denials for infrequent short-term events ................................................................................. 205.2.2.1.2 LTE denials for ISM data packets ................................................................................................... 215.2.2.1.3 ISM denials for LTE important reception ....................................................................................... 215.3 Applicability of interference avoidance solutions............................................................................................ 216 Conclusion.............................................................................................................................................. 22Annex A: Interference analysis on in-device coexistence between LTE and ISM ........................... 22A.1 Assumptions .................................................................................................................................................... 23A.1.1 Filtering assumptions ................................................................................................................................. 23A.1.2 Antenna isolation ....................................................................................................................................... 24A.1.3 Interference mechanisms ............................................................................................................................ 24A.1.4 Signal Bandwidth ....................................................................................................................................... 24A.1.5 Transmitter output power ........................................................................................................................... 25A.1.6 Performance metrics ................................................................................................................................... 25A.2 Results ............................................................................................................................................................. 25A.2.1 Analysis 1 Results ...................................................................................................................................... 25A.2.2 Analysis 2 Results ...................................................................................................................................... 28A.2.3 Analysis 3 Results ...................................................................................................................................... 29A.2.4 Analysis 4 Results ...................................................................................................................................... 30 3GPP </li> <li> 4. Release 11 4 3GPP TR 36.816 V11.2.0 (2011-12)Annex B: Timeline analysis of in-device coexistence between LTE and Bluetooth ......................... 34B.1 Assumptions .................................................................................................................................................... 34B.1.1 Bluetooth .................................................................................................................................................... 34B.1.2 LTE ............................................................................................................................................................ 35B.2 Results ............................................................................................................................................................. 35B.2.1A Coexistence between LTE and BT eSCO EV3 without TDM solutions for BT master ............................. 35B.2.1 Void ............................................................................................................................................................ 38B.2.2 Coexistence between LTE and BT eSCO EV3 with TDM solutions for BT master .................................. 38B.2.3 Coexistence between LTE and BT eSCO EV3 with TDM solutions for BT slave .................................... 41Annex C: Change History ..................................................................................................................... 44 3GPP </li> <li> 5. Release 11 5 3GPP TR 36.816 V11.2.0 (2011-12)ForewordThis Technical Report has been produced by the 3rd Generation Partnership Project (3GPP).The contents of the present document are subject to continuing work within the TSG and may change following formalTSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with anidentifying change of release 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. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. 3GPP </li> <li> 6....</li></ul>