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International Journal of Information and Communication Technology Research (IJICT، جلد ۱۲، شماره ۳، صفحات ۱-۸
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عنوان انگلیسی Computing Energy Efficiency for a Cognitive Heterogeneous Satellite Network Based on Interference Management
چکیده انگلیسی مقاله Presently, due to emergence of new generation of wireless telecommunication networks, some appropriate capacity and coverage have been provided for end-users by new hybrid terrestrial-satellite networks, consisting of two or more satellites in different orbits and terrestrial equipment. Today, due to the lack of spectral resources, a method, such as cognitive radio is used to allow for coexistence of spectrum between different nodes. Therefore, in this paper, spectral coexistence method between two satellites was applied over a common region based on cognition link to manage energy efficiency. Also, for mitigating interferences between satellites in downlink channel, the Stackelberg game was exploited. According to simulation results, the proposed algorithm for a primary satellite system with a main node had more energy efficiency compared to the other algorithms, such as sequential convex approximation (SCA)-based precoding, multi-beam interference mitigation (MBIM), and zero-forcing (ZF)-based precoding.
کلیدواژه‌های انگلیسی مقاله Stackelberg game, Convex optimization, power, interference,Energy efficiency
نویسندگان مقاله | Pedram Hajipour
ICT Research Institute Tehran, Iran


| Ali Shahzadi
Department of Electrical and Computer Engineering, Semnan University, Semnan
نشانی اینترنتی http://ijict.itrc.ac.ir/browse.php?a_code=A-10-4352-1&slc_lang=other&sid=1
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