178 citations · 879 across the 16 of their papers we have counts for
6 papers · 1 filter
Wideband Spectrum Sensing for Cognitive Radio Networks: A Survey
Hongjian Sun, Arumugam Nallanathan, Cheng-Xiang Wang +1
Cognitive radio has emerged as one of the most promising candidate solutions to improve spectrum utilization in next generation cellular networks. A crucial requirement for future…
Practical Analysis of Codebook Design and Frequency Offset Estimation for Virtual-MIMO Systems
Jing Jiang, John S. Thompson, Hongjian Sun +1
A virtual multiple-input multiple-output (MIMO) wireless system using the receiver-side cooperation with the compress-and-forward (CF) protocol, is an alternative to a point-to-poi…
Relaying Technologies for Smart Grid Communications
Hongjian Sun, Bo Tan, Jing Jiang +3
Wireless technologies can support a broad range of smart grid applications including advanced metering infrastructure (AMI) and demand response (DR). However, there are many formid…
Wideband Spectrum Sensing with Sub-Nyquist Sampling in Cognitive Radios
Hongjian Sun, Wei-Yu Chiu, Jing Jiang +2
Multi-rate asynchronous sub-Nyquist sampling (MASS) is proposed for wideband spectrum sensing. Corresponding spectral recovery conditions are derived and the probability of success…
Adaptive Compressive Spectrum Sensing for Wideband Cognitive Radios
Hongjian Sun, Wei-Yu Chiu, A. Nallanathan
This letter presents an adaptive spectrum sensing algorithm that detects wideband spectrum using sub-Nyquist sampling rates. By taking advantage of compressed sensing (CS), the pro…
Multi-rate Sub-Nyquist Spectrum Sensing in Cognitive Radios
Hongjian Sun, A. Nallanathan, Jing Jiang +1
Wideband spectrum sensing is becoming increasingly important to cognitive radio (CR) systems for exploiting spectral opportunities. This paper introduces a novel multi-rate sub-Nyq…