Dynamic Range Consideration in MIMO Systems with Hybrid Antenna Selection | Zendy

Javad AhmadiShokouh | Zendy

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Dynamic Range Consideration in MIMO Systems with Hybrid Antenna Selection

Author(s) -

Javad AhmadiShokouh

Publication year - 2011

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2011/562873

Subject(s) - mimo , spatial multiplexing , antenna (radio) , baseband , computer science , multiplexing , electronic engineering , transmission (telecommunications) , antenna diversity , block (permutation group theory) , 3g mimo , diversity gain , telecommunications , engineering , mathematics , channel (broadcasting) , geometry , bandwidth (computing)

A Hybrid Antenna Selection (HAS), also called Soft Antenna Selection (SAS), method is basically implemented by a Linear Network (LN) located in RF domain of Multiple Input Multiple Output (MIMO) systems. In this paper, we evaluate the SAS-MIMO system, which is optimally tuned based on spatial multiplexing/diversity transmissions, in terms of receiver dynamic range issue. To this end, an SNR analysis is first performed for a reference point that is the input of Receiver Chain Block (RCB). Different systems are then compared based on a standard receiver, that is, WLAN 802.11 b. A three Dimensional (3D) ray-tracing modeling is applied to assist this evaluation. The simulation results for a case study show that although the optimum post-LNA SAS works like a full-complexity MIMO in the spatial multiplexing/diversity transmission strategies, it provides even abetter SNR to the baseband, that is, it reveals a receiver dynamic range improvement

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