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학술지 Energy-Efficient Stabilized Automatic Control for Multicore Baseband in Millimeter-Wave Systems
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저자
김중헌, 이재진, 김종국, 이우주
발행일
201708
출처
IEEE Access, v.5, pp.16584-16591
ISSN
2169-3536
출판사
IEEE
DOI
https://dx.doi.org/10.1109/ACCESS.2017.2741671
협약과제
17ZB1600, 초저에너지 프로세서를 위한 NZV 마이크로그레인 아키텍처 기술, 이재진
초록
The fifth generation (5G) cellular network is upon us. Academia and Industry have intensively collaborated together to bring the power of 5G cellular networks to the masses, and now the 5G millimeter-wave (mmWave) platforms come into being in the market. One of the most popular 5GmmWave platforms mounts the massive mmWave phased antenna arrays in order to transfer a huge number of bits in a second (e.g., more than ten gigabits-per-second) to the baseband in the platform. While exploiting chip multicore processors (CMPs) may be the best solution to process such huge data in the mmWave baseband platform, power dissipate by the CMPs should become critical. Starting from an intuition that utilizing all processors in every single time introduces inefficient energy consumption, this paper proposes an energy-aware queue-stable control (EQC) algorithm to control the activation/deactivation of individual processors and antenna arrays for pursuing time average energy consumption minimization subject to the stability of queues in the 5G-mmWave baseband. Results from intensive simulations based on realistic experimental setups demonstrate the efficacy of the proposed EQC that achieves significant energy savings while queue stability is maintained.
KSP 제안 키워드
5G cellular networks, 5G millimeter-wave, Energy saving, Energy-Aware, Stable control, Time average, automatic control, average energy consumption, energy-efficient, fifth generation (5G) cellular, huge Data