Achieving exponential diversity with SpatioTemporal power allocation with imperfect channel state information

Khan, M Z A (2011) Achieving exponential diversity with SpatioTemporal power allocation with imperfect channel state information. In: 2011 National Conference on Communications, 28-30, January 2011, Bangalore; India.

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Abstract

In this paper we derive conditions under which Spatio-temporal power allocation provides exponential diversity when the quality of channel state information at the transmitter (CSIT) and receiver (CSIR) degrades. We show that exponential diversity is obtained provided two conditions are satisfied; 1)the feedback rate increases linearly with the signal-to-noise ratio (SNR) and 2) the channel estimate is obtained at a transmit power greater than or equal to the power to be allocated. Simulation results, corroborating the theoretical analysis are presented for Rayleigh fading channels.

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IITH Creators:
IITH CreatorsORCiD
Khan, M Z AUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Channel estimate; Channel state information at the transmitters; Feedback rates; Imperfect channel state information; Power allocations; Signal to noise; Simulation result; Spatio-temporal; Transmit power
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 03 Nov 2014 08:19
Last Modified: 16 Apr 2015 06:48
URI: http://raiith.iith.ac.in/id/eprint/615
Publisher URL: http://dx.doi.org/10.1109/NCC.2011.5734702
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