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HRPD Reverse Link Improvement -- Adaptive FL Control Transmission ZTE grants a free, irrevocable license to 3GPP2 and its Organizational Partners to incorporate.

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Presentation on theme: "HRPD Reverse Link Improvement -- Adaptive FL Control Transmission ZTE grants a free, irrevocable license to 3GPP2 and its Organizational Partners to incorporate."— Presentation transcript:

1 HRPD Reverse Link Improvement -- Adaptive FL Control Transmission ZTE grants a free, irrevocable license to 3GPP2 and its Organizational Partners to incorporate text or other copyrightable material contained in the contribution and any modifications thereof in the creation of 3GPP2 publications; to copyright and sell in Organizational Partner's name any Organizational Partner's standards publication even though it may include all or portions of this contribution; and at the Organizational Partner's sole discretion to permit others to reproduce in whole or in part such contribution or the resulting Organizational Partner's standards publication. ZTE is also willing to grant licenses under such contributor copyrights to third parties on reasonable, non-discriminatory terms and conditions for purpose of practicing an Organizational Partner’s standard which incorporates this contribution. This document has been prepared by ZTE to assist the development of specifications by 3GPP2. It is proposed to the Committee as a basis for discussion and is not to be construed as a binding proposal on contributors. ZTE specifically reserves the right to amend or modify the material contained herein and to any intellectual property of contributors other than provided in the copyright statement above. Rashid Attar, Chris Lott, Jing Sun Yonggang Fang, Ting Lu, YuanFang Yu, Xiaowu Zhao lu.ting, yu.yuanfang,

2 © 2006, ZTE Corporation. All rights reserved. 2 Access Network AN Controlled Adaptive FL Control Transmission. AN may send EnableFwdControlTransmission = 0 to inform AT to stop transmission of DSC/DRC and/or SSI/SRI when it has no forward link data for the AT. AN may send EnableFwdControlTransmission = 1 to AT if AN has forward link data for the AT. AN may send EnableFwdControlTransmission to AT per each carrier in the multi-carrier cases AN may send EnableFwdControlTransmission in the low priority message. Adaptive FL Control Transmission

3 © 2006, ZTE Corporation. All rights reserved. 3 Access Terminal AN Controlled Adaptive FL Control Transmission If AT receives EnableFwdControlTransmission = 0 from AN, it should stop transmitting the FL control channels (DRC/DSC/SSI/SRI/ACK). AT may stop monitoring DRCLock. If AT receives EnableFwdControlTransmission = 1 from AN, it should start transmitting the FL control channels (DRC/DSC/SSI/SRI/ACK). If AT has RL data to send, it shall start transmitting the FL control channels (DRC/DSC/SSI/SRI/ACK) if they have stopped, in addition to transmit data over the reverse traffic link. If AT is going to handoff to other AN, it shall start transmitting DRC/DSC. AT Controlled FL control channel transmission When AT enters the Fixed DRC state, it may stop transmitting DRC/DSC. Adaptive FL Control Transmission

4 © 2006, ZTE Corporation. All rights reserved Flow Control Protocol FwdControlTransmissionRequest Message EnableFwdControlTransmission AN shall set this bit to “1” if AN wants to enable the transmission of forward link control channels (DRC, DSC, SSI, and SRI). Otherwise, AN shall set this bit to “0”. EnableFixedFwdControlTransmission AN shall set this bit to “1” to request AT to transit to fixed forward control channel transmission (fixed DRC). Otherwise, AN shall set this bit to “0”. Adaptive FL Control Transmission FieldLength (bits) MessageID8 EnableFwdControlTransmission1 EnableFixedFwdControlTransmission1 Reserved6

5 © 2006, ZTE Corporation. All rights reserved Enhanced Forward Traffic Channel MAC Protocol (Subtype 1) Commands EnableFwdControlTransmission –When AT receives this command, it enables DRC and DSC transmission. DisableFwdControlTransmission –When AT receives this command, it disables DRC and DSC transmission. Adaptive FL Control Transmission

6 © 2006, ZTE Corporation. All rights reserved Subtype 2 Forward Traffic Channel MAC Protocol Commands EnableFwdControlTransmission –When AT receives this command, it enables DRC and DSC transmission. DisableFwdControlTransmission –When AT receives this command, it disables DRC and DSC transmission. 1.9 Subtype 3 Forward Traffic Channel MAC Protocol Commands EnableFwdControlTransmission –When AT receives this command, it enables DRC, DSC, SSI and SRI transmission. DisableFwdControlTransmission –When AT receives this command, it disables DRC, DSC, SSI and SRI transmission. Adaptive FL Control Transmission


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