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WIA-PA (Wireless Networks for Industrial Automation-Process Automation) standard has become one of the three major IEC (International Electrotechnical Commission) standards for industrial wireless networks technology, and multi-channel frequency hopping mechanism is significant for the performance of WIA-PA networks. Existing AFH (adaptive frequency hopping) mechanism for WIA-PA networks is based...
In this paper, a new dimension of time slot rearrangement is added into the cooperative cognitive radio (CR) networks. The key idea is to rearrange the time durations of Phase-I and Phase-II for the two-hop relay networks such that the throughput of the two phases can be balanced. In this fashion, the so-called bottleneck effect in the two-hop relay networks can be completely eliminated and, most...
The explosive growth of wireless multimedia services skyrockets the demand for system capacity of the cellular communication network. The heterogeneous network (Hetnet) has been widely accepted as an effective wireless networking method to improve system capacity. However, multi-tier networking architecture and the great number of small cells coexisting with macrocell make the interference management...
We address the power allocation problem for interference relay channels. Due to the competitive nature of the multi-user environment, we model the problem as a strategic non- cooperative game and show that this game always has a unique Nash equilibrium (NE), for any system profile. Two iterative algorithms, based on sequential and simultaneous updating, are proposed to achieve the unique NE in a distributed...
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