Abstract
Recently, the development of wireless body area network (WBAN) is accelerated due to rapid development of wireless technology. In the WBAN environment, many WBANs coexist where communication ranges overlap with each other, resulting in the possibility of interference. Since many variety of applications exist in the WBAN environment, each prospective user may have different quality of service (QoS) requirements. The following issues should be considered in the WBAN environment: 1) interference between adjacent WBANs, and 2) the degree of satisfaction on the QoS of each user. Thus, we propose a transmission power adjustment algorithm that addresses interference problems, and guarantees QoS fairness between users. The transmission power of each sensor node is calculated using the Cucker-Smale model, and the QoS satisfaction of each user is synchronized dispersively. The results of simulations show that the proposed algorithm performs better than existing algorithms, with respect to QoS fairness and energy efficiency.
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