IEEE C802.16m-09/3035r2 Project Title

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IEEE C802.16m-09/3035r2 Project IEEE 802.16 Broadband Wireless Access Working Group Title Network based interference management for same FA femto deployments…
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IEEE C802.16m-09/3035r2 Project IEEE 802.16 Broadband Wireless Access Working Group http://ieee802.org/16 Title Network based interference management for same FA femto deployments (16.4.11) Date 2010-01-14 Submitted Muthaiah Venkatachalam, Jin Lee, Ronny Intel Corporation, LGE, Samsung Source(s) Kim, Ying Li, Anshuman Nigam, Jerry Pi Femto Interference management (16.4.11) Re: Femto Interference management (16.4.11) Abstract To be discussed and adopted by TGm for 802.16m amendment working document. Purpose This document does not represent the agreed views of the IEEE 802.16 Working Group or any of its subgroups. It Notice represents only the views of the participants listed in the “Source(s)” field above. It is offered as a basis for discussion. It is not binding on the contributor(s), who reserve(s) the right to add, amend or withdraw material contained herein. The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, Release and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.16. The contributor is familiar with the IEEE-SA Patent Policy and Procedures: Patent http://standards.ieee.org/guides/bylaws/sect6-7.html#6 and Policy http://standards.ieee.org/guides/opman/sect6.html#6.3 . Further information is located at http://standards.ieee.org/board/pat/pat-material.html and http://standards.ieee.org/board/pat . Network based interference management for same FA femto deployments (16.4.11) Introduction Interference becomes a serious issue in dense femto deployments; more so when the Femto and macro share the same Frequency assignment (FA). The issue becomes bigger and bigger as the density of the femto deployments increase in the coverage of Macro. Here we propose a simple network based solution for remedying the problem to a good extent. Proposed Text with change marks [-------------------------------------------------Start of Text Proposal---------------------------------------------------] 16.4.11 Interference Avoidance and Interference Mitigation [add to end of 16.4.11] 1 IEEE C802.16m-09/3035r2 AMS sends AAI_RNG-REQ with the “Femto Interference” bit set to 1 based on configured trigger conditions. Upon CSG-Closed Femto ABS receiving an AAI_RNG-REQ with the “Femto Interference” bit set to 1, it may either reduce its transmit power locally or communicate with the network entity such as SON server. Upon communication with the network entity, the CSG-Closed Femto ABS may convert to a CSG-Open Femto ABS or reduce its transmit power as directed by the network entity or refrain from transmitting on certain resource regions as indicated by the network entity such as SON server. 16.2.3.1 AAI_RNG-REQ Add the following parameter to table 674. Name Value Usage FI (Femto Interference) 0 = AMS not severely interfered If an AMS is placed into outage by 1 = AMS severely interfered by the a CSG-closed Femto ABS of which it is not a member, it can indicate Femto ABS this problem to that CSG-Closed Femto ABS by sending an AAI_RNG-REQ with the “Femto Interference” bit set to 1 [-------------------------------------------------End of Text Proposal----------------------------------------------------] 2
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