Energy-efficient joint sensing duration, detection threshold, and power allocation optimization in cognitive OFDM systems
This paper investigates an energy efficiency optimization problem in cognitive orthogonal
frequency division multiplexing systems. The goal is to maximize the energy efficiency by …
frequency division multiplexing systems. The goal is to maximize the energy efficiency by …
[HTML][HTML] 基于空间信道控制方式的频谱感知资源分配技术
谢朝臣， 谭晓衡， 刘琴， 杨志军， 刘玉川 - 2019 - html.rhhz.net
摘要针对频谱资源中授权频段因信道质量和信号干扰等因素导致的感知频谱利用率不高的问题,
提出了基于大规模天线空间信道控制的频谱感知资源分配方式. 通过波束成型技术使主瓣波束对 …
提出了基于大规模天线空间信道控制的频谱感知资源分配方式. 通过波束成型技术使主瓣波束对 …
A prediction and scheduling framework in centralized cognitive radio network for energy efficient non‐real time communication
Summary Advent of Internet of Things led to an exponential rise in battery‐operated sensors
transmitting small non‐real time (NRT) data regularly. To this end, this work proposes a …
transmitting small non‐real time (NRT) data regularly. To this end, this work proposes a …
Intercarrier-Interference-Aware Energy Saving for High-Mobility Cognitive OFDM Systems
W Xu, X Zhou, Y Chen, Z Liu, Z Feng - IEICE Transactions on …, 2018 - search.ieice.org
Cognitive orthogonal frequency-division multiplexing (OFDM) systems are spectrum-efficient
yet vulnerable to intercarrier interference (ICI), especially in high-mobility scenarios. In this …
yet vulnerable to intercarrier interference (ICI), especially in high-mobility scenarios. In this …
[PDF][PDF] A Novel Technique for Interference Management of OFDMA Femtocell Networks in Urban Areas
W Khan, RA Khan, N Khan, A Kabir… - International Journal of …, 2016 - academia.edu
To satisfy the increasing demand of high data rate and improved capacity, femtocell and
orthogonal frequency division multiple access (OFDMA) are two emerging technologies for …
orthogonal frequency division multiple access (OFDMA) are two emerging technologies for …