scholarly journals Performance analysis of opportunistic beamforming system under non-identical imperfect channel environment

2019 ◽  
Vol 13 (11) ◽  
pp. 1586-1594
Author(s):  
Donghun Lee
Keyword(s):  
Performance Analysis ◽  
Opportunistic Beamforming ◽  
Channel Environment

scholarly journals Performance Analysis of Buffer-Aided Relaying System Based on Data and Energy Coupling Queuing Model for Cooperative Communication Networks

2017 ◽  
Vol 2017 ◽  
pp. 1-14 ◽  
Author(s):  
Guangjun Liang ◽  
Qi Zhu ◽  
Jianfang Xin ◽  
Jiashan Tang ◽  
Tianjiao Zhang
Keyword(s):  
Performance Analysis ◽  
Communication Networks ◽  
Transition Probability ◽  
Arrival Rate ◽  
Energy Coupling ◽  
Cooperative Relaying ◽  
Data Packet ◽  
Queuing Model ◽  
Channel Environment ◽  
Relaying System

We focus on the performance analysis of the buffer-aided relaying system which allows data and energy packets to arrive independently and depart interactively. First, we profile the cooperative relaying system model as a data arrival and energy arrival coupling queuing model. Considering the influence of channel condition on the data departure rate, a new relay transmit protocol which permits exhausting more energy packet to send one data packet in the bad channel environment is proposed. Second, the joint data packet and energy packet handling problem is ascribed to a Coupled Processor Queuing Model which could achieve its steady state transition probability by Quasi-Birth and Death method. Third, the expressions of throughput, delay, and packet drop rate for both data queue and energy queue are also derived. Simulations are demonstrated to verify the analytical results under different data arrival rate, energy arrival rate, and relaying strategy.

Performance analysis of FMT-OFDM system in the underwater channel environment

2016 ◽  
Author(s):  
Min-Sang Kim ◽  
Tae-Seok Lee ◽  
Jun-Ho Kim ◽  
Tae-Ho Im ◽  
Hak-Lim Ko
Keyword(s):  
Performance Analysis ◽  
Ofdm System ◽  
Channel Environment
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