Outage probability analysis of multiple input multiple output ad-hoc networks with random topology

Govindasamy Ananthi; Sundarrajan. J. Thiruvengadam

Outage probability analysis of multiple input multiple output ad-hoc networks with random topology

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Author(s): Govindasamy Ananthi ¹ and Sundarrajan. J. Thiruvengadam ¹
- Affiliations: 1: TIFAC CORE in Wireless Technologies, Department of Electronics and Communication Engineering, Thiagarajar College of Engineering, Madurai – 625015, Tamil Nadu, India
Source: Volume 9, Issue 3, May 2015, p. 288 – 296
DOI: 10.1049/iet-spr.2014.0001 , Print ISSN 1751-9675, Online ISSN 1751-9683

Received 07/01/2014, Accepted 15/09/2014, Revised 08/09/2014, Published 16/04/2015

Outage probability performance of multiple-input multiple-output (MIMO) ad-hoc network with quantised beamforming and finite rate feedback is analysed with the assumption that the nodes are uniformly distributed with random topology. In quantised beamforming, each receiver sends the label of the best beamforming vector obtained from the codebook to the transmitter through a finite rate limited feedback. The code book is shared between the desired users to prevent decoding of other user's information in a MIMO ad-hoc network. In such a practical environment, feedback links can only convey finite number of bits, from which transmit beamformer designs are investigated using either the outage probability or average signal to interference ratio as the figure of merit. In this study, a mathematical analysis for the estimation of the interference power statistics and the corresponding outage probability in MIMO wireless ad-hoc networks with random position of interference nodes is carried out. In lieu of validating the obtained simulation results, theoretical results have also been compared.

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Outage probability analysis of multiple input multiple output ad-hoc networks with random topology

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