Adaptive beamforming for OFDM based hybrid mobile satellite system | Zendy

A.H. Khan | Zendy; Muhammad Ali Imran | Zendy; B.G. Evans | Zendy

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Adaptive beamforming for OFDM based hybrid mobile satellite system

Author(s) -

A.H. Khan,

Muhammad Ali Imran,

B.G. Evans

Publication year - 2009

Publication title -

iet conference publications

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.123

H-Index - 39

DOI - 10.1049/cp.2009.1228

Subject(s) - computer science , orthogonal frequency division multiplexing , reuse , computer network , communications satellite , frequency reuse , beamforming , telecommunications , frequency domain , satellite , single frequency network , distributed computing , electronic engineering , engineering , base station , channel (broadcasting) , transmission (telecommunications) , computer vision , aerospace engineering , waste management

Global connectivity cannot be guaranteed by terrestrial networks due to the lack of infrastructure in rural areas. Neither can satellite networks assure this due to lack of signal penetration and capacity coverage issues in densely populated areas. To bridge this gap, we propose an orthogonal frequency domain (OFDM) based hybrid architecture where users are provided service by existing mobile networks in urban areas and are served by satellite in the rural areas. In such a system terrestrial and satellite networks can reuse the portion of spectrum dedicated to each of these systems resulting in significant increase in overall capacity, wider coverage and reduced cost. This frequency reuse induces severe cochannel interference (CCI) at the satellite end and our work focuses on its mitigation using OFDM based adaptive beamformin

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