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Nearly Optimal Asynchronous Blind Rendezvous Algorithm for Cognitive Radio Networks
Rendezvous Time to Rendezvous Disjoint Re- laxed Difference Set Cognitive Radio Networks
2016/1/23
Rendezvous is a fundamental process in Cognitive Radio Networks, through which a user establishes a link to communicate with a neighbor on a common channel. Most previous solutions use either a centra...
Local Sequence Based Rendezvous Algorithms for Cognitive Radio Networks
Rendezvous Time to Rendezvous Local Se- quence
2016/1/22
Rendezvous process plays an important role in constructing Cognitive Radio Networks (CRNs), through which a user establishes a link on a common licensed channel for communication with its neighbors.
Fully Distributed Algorithms for Blind Rendezvous in Cognitive Radio Networks
Fully Distributed Algorithms Blind Rendezvous Cognitive Radio Networks
2016/1/22
Rendezvous process is the cornerstone to construct Cogni-tive Radio Networks (CRNs), through which a secondary user can establish a link for communication with its neigh-bor on a common channel. Altho...
Improved Rendezvous Algorithms for Heterogeneous Cognitive Radio Networks
Heterogeneous Cognitive Radio Network Ren- dezvous Fully available spectrum Partially available spectrum
2016/1/22
Cognitive radio networks (CRNs) have been pro-posed to solve the spectrum scarcity problem. One of their fundamental procedures is to construct a communication link on a common channel for the users, ...
Wavelet analysis of the LF radio signals collected by the European VLF/LF network from July 2009 to April 2011
Radio Network Wavelet precursors
2015/8/24
In 2008, a radio receiver that works in very low frequency (VLF; 20-60 kHz) and LF (150-300 kHz) bands was developed by an Italian factory. The receiver can monitor 10 frequencies distributed in these...
Radio Frequency Interference Validation Testing for LAAS using the Stanford Integrity Monitor Testbed
Radio Frequency LAAS tanford Integrity Monitor Testbed
2015/6/26
Since GPS signals have very low received power levels (−130 dBm, or −160 dBW), their vulnerability to RF Interference (RFI) is a serious concern. This is particularly true for GPS-based sa...
Design and Implementation of Real-Time Software Radio for Anti-Interference GPS/WAAS Sensors
software-defined radio controlled reception pattern antenna (CRPA) Space-Time Adaptive Processing (STAP) radio frequency interference
2015/6/24
Adaptive antenna array processing is widely known to provide significant anti-interference capabilities within a Global Navigation Satellite Systems (GNSS) receiver. A main challenge in the quest for ...
Leveraging Multi-radio Communication for Mobile Wireless Sensor Networks
Wireless Low-power mobile
2014/12/8
An important challenge in mobile sensor networks is to enable energy-efficient communication over a diversity of distances while being robust to wireless effects caused by node mobility. In this thesi...
RWS focuses on the intersection between radio systems and wireless technology, which creates a unique forum for engineers to discuss hardware design and system performance of the state -of-the-art wir...
Dual-Radio传感器网络中分布式信道分配和路由转发策略的研究
信道分配 路由转发 传感器网络 Dual-Radio
2012/4/17
基于传感器网络中正交信道较少的特点，提出一种Dual-Radio传感器网络中分布式信道分配算法(DCA)，并在此基础上提出一种路由转发策略(RFS)。DCA能够利用较少的信道消除网络路径内冲突、减少路径间冲突。在理论上证明当网络中正交信道个数K≥Δ+1时，网络吞吐量上界为|M|+1，其中Δ为网络拓扑图的最大度，|M|为网络路由树中非叶子节点数。在RFS中，节点通过适时切换发送信道，进一步减少路径间...
Performance of Equal Power Allocation in Multiuser OFDM-Based Cognitive Radio Systems
Equal Power Allocation Multiuser OFDM-Based Cognitive Radio Systems
2009/9/4
The performance difference between a simple equal subchannel power allocation and the optimal water-filling subchannel power allocation schemes is studied for a multiuser OFDM-based cognitive radio (C...
A Programmable Receiver for Communication Systems and Its Application to Impulse Radio
Programmable Receiver Communication Systems Impulse Radio
2009/9/4
The design of a programmable receiver for an ultra wideband (UWB) communication is presented. The receiver is using a fast analog to digital converter (ADC) and a field programmable gate array (FPGA) ...