31 citations · 66 across the 6 of their papers we have counts for
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cs.NI2012★ 31 cited
A Stochastic Geometry Approach to Energy Efficiency in Relay-Assisted Cellular Networks
Na Deng, Sihai Zhang, Wuyang Zhou +1
Though cooperative relaying is believed to be a promising technology to improve the energy efficiency of cellular networks, the relays' static power consumption might worsen the en…
cs.NI2012
Traffic-Aware Relay Sleep Control to Improve Energy Efficiency in Joint Macro-Relay Networks
Na Deng, Ming Zhao, Sihai Zhang +1
In this letter, we consider a joint macro-relay network with densely deployed relay stations (RSs) and dynamically varied traffic load measured by the number of users. An energy-ef…
cs.NI2012★ 7 cited
Combined Channel Aggregation and Fragmentation Strategy in Cognitive Radio Networks
Lei Li, Sihai Zhang, Kaiwei Wang +1
In cognitive radio networks, channel aggregation (CA) and channel fragmentation (CF) techniques have been proposed to enhance the spectrum utilization. While most of the literature…