认知无线电技术能充分利用闲置的频谱进行数据传输, 从而提高频谱利用率.
而稀疏信道估计能充分发掘无线信道的稀疏性, 从而节省导频开销, 并进一步提高频谱利用率 …

Given that the statistical analysis of the frequency band of interest are available, it has been
shown that adaptive searching for white spaces could improve by 70% when compared with …

In multichannel, cognitive radio (CR), the secondary user (SU) is allowed to utilize multiple
subaltern frequency bands of the primary user (PU), when these bands, namely …

The cognitive radio (CR) field currently lacks a standardized end-user test methodology that
is repeatable, flexible, and effective across multiple CR architectures. Furthermore, the CR …

Cognitive radio technology proposes the utilisation of under-utilised spectrum resources
which may include time, frequency, geographical location, direction, polarisation et cetera …

Strategies to acquire white space information is the single most significant functionality in
cognitive radio networks (CRNs) and as such, it has gone some evolution to enhance …

An I/O BIST with calibrated 50 ps delay measurement resolution, presented at ITC'10,
requires no changes to 1149.1 boundary scan cells nor the I/O cells they access, and avoids …

This paper proposes a framework for an enhanced form of Carrier Aggregation, with the
focus on carrier selection mechanism that considers different types of shared spectrum …

This paper introduces a reconfigurable test bed for advanced distributed RF sensing
algorithmic prototyping and performance evaluation that demonstrates the feasibility of the …

Strategies to acquire white space information is the single most significant functionality in
cognitive radio networks (CRNs) and as such, it has gone some evolution to enhance …