Construction and Capacity Analysis of High-Rank LoS MIMO Channels in High Speed Railway Scenarios | Zendy

Jingya Yang | Zendy; Bo Ai | Zendy; Zhangdui Zhong | Zendy

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Construction and Capacity Analysis of High-Rank LoS MIMO Channels in High Speed Railway Scenarios

Author(s) -

Jingya Yang,

Bo Ai,

Zhangdui Zhong

Publication year - 2012

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 - 10.1155/2012/423759

Subject(s) - mimo , antenna (radio) , sensitivity (control systems) , range (aeronautics) , channel capacity , ergodic theory , rank (graph theory) , computer science , point (geometry) , line of sight , electronic engineering , engineering , control theory (sociology) , mathematics , telecommunications , aerospace engineering , channel (broadcasting) , geometry , mathematical analysis , combinatorics , control (management) , artificial intelligence

The validity of the maximum capacity criterion applied to realize high-rank line-of-sight (LoS) multiple-input multiple-output (MIMO) channels is investigated for high speed railway scenarios. Performance is evaluated by ergodic capacity. Numerical results demonstrate that by simply adjusting antenna spacing according to the maximum capacity criterion, significant capacity gains are achievable. We find relatively low sensitivity of the system to displacements from the optimal point and angle in relatively short range. Thus, we present two proposals to reconfigure antenna arrays so as to maximize LoS MIMO capacity in the high speed railway scenario

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