Cooperative maximum-ratio transmission with multi-antenna relay nodes for tactical mobile ad-hoc networks | Zendy

Chang Seok You | Zendy; Jeong Seon Yeom | Zendy; Bang Chul Jung | Zendy

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Cooperative maximum-ratio transmission with multi-antenna relay nodes for tactical mobile ad-hoc networks

Author(s) -

Chang Seok You,

Jeong Seon Yeom,

Bang Chul Jung

Publication year - 2020

Publication title -

ict express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.733

H-Index - 22

ISSN - 2405-9595

DOI - 10.1016/j.icte.2020.04.002

Subject(s) - relay , node (physics) , computer network , computer science , channel state information , maximal ratio combining , relay channel , wireless ad hoc network , beamforming , transmission (telecommunications) , channel (broadcasting) , topology (electrical circuits) , wireless , moment generating function , antenna (radio) , outage probability , mobile ad hoc network , power (physics) , telecommunications , fading , network packet , probability density function , mathematics , engineering , electrical engineering , statistics , physics , quantum mechanics , structural engineering

In this paper, we propose a cooperative maximum-ratio transmission (C-MRT) technique with multi-antenna relay nodes for tactical mobile ad-hoc networks (MANETs) where both the location and the number of antennas of relay nodes are arbitrary. Each relay node is assumed to know both the wireless channel coefficient from the source node to itself and the wireless channel from itself to the destination node, which is known as local channel state information (CSI) assumption. Maximum-ratio combining (MRC) and MRT techniques are used for beamforming the transmit and receive signals of the relay node, respectively. In addition, we mathematically analyze the overall outage probability of the proposed technique with moment generating function (MGF). It is shown that the mathematical analysis on the overall outage probability of the proposed C-MRT technique is matched well with the simulation results especially in high transmit power regimes. It is also observed that the proposed technique outperforms other schemes such as phase steering (PS) and optimal relay selection (ORS) in terms of outage probability.

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