MCS table design for 16m Document Number: IEEE C802.16m-09/1007 Date Submitted: 2009-04-27 Source: Zhou Liang

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Presentation transcript:

MCS table design for 16m Document Number: IEEE C802.16m-09/1007 Date Submitted: Source: Zhou Liang Zhang and Xue Fujitsu R&D center Co.,LTD Beijing. RE: AWD comments / Area: Chapter (Channel coding) “Comments on AWD channel coding”. Base Contribution: Purpose: Propose to be discussed and adopted by TGm for the use in Project m AWD. Notice: This document does not represent the agreed views of the IEEE Working Group or any of its subgroups. It 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. Release: The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, 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 Patent Policy: The contributor is familiar with the IEEE-SA Patent Policy and Procedures: and. Further information is located at and.

Introduction Updated SDD didn’t specify the MCS table size for channel coding. In this contribution, we compare different MCS table size in terms of system throughput. 4 bits MCS table is taken from current AWD text. 5 bits MCS table is generated based on the burst size table.

Performance comparison between 4 bits and 5 bits MCS table 4 bits MCS table5 bits MCS tableGain System throughput % User coverage % 5 bits MCS table has 4.3% gain of system throughput over 4 bits MCS table, and 3.2% gain of user coverage over 4 bits MCS table.

5 bits MCS table design ModulationCoding Rate MCS 0QPSK MCS 1QPSK MCS 2QPSK MCS 3 QPSK MCS 4QPSK MCS 5QPSK MCS 6QPSK MCS 7QPSK MCS 8QPSK MCS 9 QPSK MCS 10QPSK MCS 11QPSK MCS 12QPSK MCS 1316QAM MCS 14 16QAM MCS 1516QAM MCS 1616QAM MCS 1716QAM MCS 1816QAM MCS 1916QAM MCS 2016QAM MCS 2116QAM MCS 2264QAM MCS 2364QAM MCS 2464QAM MCS 2564QAM MCS 2664QAM MCS 2764QAM MCS 2864QAM MCS 2964QAM MCS 3064QAM MCS 3164QAM0.9444

System Level simulation settings ParametersValues Bandwidth10 MHz FFT size1024 Carrier frequency2.5 GHz Subframe structureAccording to the latest revision of IEEE 80216m-08/003r8 Channel ModelModified ITU PedB with spatial correlation Mobile speed3 km/h Antenna configuration2x2 Receiver algorithmMMSE Channel coding & modulation 4 and 5 bits MCS table Channel estimationPerfect channel estimation CQI feedback period and delay2 frames Scheduling methodPF Cell to cell distance500m BTS power46dbm Shadow fading8dB UE noise figure9dB Link adaptation methodRBIR for MMSE receiver

Proposed text Replace table 700 with the following table: ModulationCoding RateModulationCoding Rate 00000QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QPSK QAM QAM QAM QAM QAM QAM QAM0.9444

Reference [1]IEEE P Rev2 / D7, “Draft IEEE Standard for Local and Metropolitan Area Networks: Air Interface for Broadband Wireless Access,” Oct [2]IEEE m-08/003r8, “The Draft IEEE m System Description Document” [3]IEEE m-09/0010r1a, “Advanced Air Interface (working document)”.