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Comment Resolution Receiver Parameters

This document outlines proposed changes to the receiver sensitivity for MCS2 and the maximum input level requirements in telecommunications systems. It highlights the performance improvements of MCS1 over MCS2 by approximately 3 dB, discusses code performance differences, and specifies simulation conditions (AWGN, packet length of 8192 bytes). The document recommends updating the sensitivity in Table 21-3 for improved accuracy. It also defines the maximum input level at the receiver antenna and suggests a minimum compliance level of -33 dBm.

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Comment Resolution Receiver Parameters

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  1. Comment Resolution Receiver Parameters Authors: Date: 2012-2-15 James Wang et al, MediaTek

  2. Comment 6144 – Receiver Sensitivity for MCS2 • MCS1 employs repetition coding and the performance should be approximately 3 dB better than MCS2. • The difference between ½ code and 5/8 code should be approximately 1 dB

  3. SCM Performance-AWGN • Simulation Conditions: • Packet Length-8192 Bytes • AWGN • Red line-With impairments (PN, PA) • Blue line-no impairments BPSK MCSs 1 dB 2 dB 16QAM MCSs QPSK MCSs

  4. Proposed Receiver Sensitivity Motion: Instruct the editor to change the sensitivity of MCS2 in Table 21-3 Page 489 to -66 dBm

  5. 6145 Receiver Maximum Input Level

  6. Typical phased-array device transmit EIRP ~ 25 dBm • For some applications, the distance can be as short as .5 meter • Maximum input level should be defined at air-to-antenna plane • Field strength • 10 microwatt/cm^2 = 25 dBm/Area = 25 dBm/(4*π* 50^2) Proposed Maximum Receiver Input

  7. Maximum Input Requirement The receiver maximum input level is the maximum power level at the receive antenna(s) of the incoming signal, in dBm, present at the input of the receiver antenna for which the error rate criterion (defined 21 at the RX Sensitivity subclause) is met. A compliant receiver shall have a receiver maximum input level at the receive antenna(s) of at least -33 dBm10 microwatts/cm^2 for each of the modulation formats that the receiver supports. Proposed Text for .5 Meter or Higher

  8. Thank You! James Wang, MediaTek

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