搜索资源列表
power-control-research
- 采用博弈论对认知无线电中的分布式动态频率选择和功率分配策略进行建模分析，通过建立合作来协调认知节点间的行为，从而提高分布式决策算法的性能。-Game Theory Modeling and Analysis of Distributed Dynamic Frequency Selection in cognitive radio and power allocation strategy to coordinate, through the establishment of cooperatio
OFDM-signals
- 针对无线电监测和认知无线电系统中正交频分复用(OFDM) 信号参数估计这一重要问题,提出了用频域累积法算OFDM 信号的循环自相关函数的数值计算方法.-For radio monitoring and cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the accumulation meth
OFDM-signals-with-low-SNR
- 针对认知无线电系统中正交频分复用( OFDM )信号参数估计这一重要问题, 利用OFDM 信号的循环谱实现了符号周期的盲估计。-For cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the cyclic spectrum of the OFDM signal to achieve the
CS8955_RDS
- RDS(Radio Data System)数据广播系统是将数字信号调制到调频波段 (87.5~108MHz)并以广播的形式发送的一种信号传输系统。这种传输模式在北美 和欧洲得到了采用，而且得到越来越多的其他国家的关注。在北美和欧洲 都有 相应的标准，即RBDS 和RDS。 传输数据时，数据加载到57KHz 的副载波频段。副载波经过调制以适应固定 的双相编码信号。这个副载波经过抑制以避免调制后的数据在锁相环立体声解码 器中产生混叠同时还要与德国同样采用57KHz 频率作为
ETSI-Ultra-Wide-Band
- Ultra Wide Band (UWB) is a technology for the transmission of data using techniques which cause a spreading of the radio energy over a very wide frequency band, with a very low power spectral density. The low power spectral density limits the interfe
05695303
- Orthogonal Frequency Division Multiplexing (OFDM) has been adopted by most wireless and wired communication standards these include wireless Local Area Networks (LANs) HyperLan2, 802.11a, broadband wireless(802.16) and lately the 802.15.3c for mill
ofdm-tx-rx
- Abstract Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustness to radio channel impairments. Many research centers
out
- A TUTORIAL ON LTE EVOLVED UTRAN (EUTRAN) AND LTE SELF ORGANIZING NETWORKS. The main features of LTE are high peak data rate, flexibility of spectrum usage, low latency times, higher capacity per cell, etc. The radio interface of LTE is based on O
1
- 天力通th445，th140的写频方法，有意向研究此机器的无线电爱好者来此下载-Days Stratton th445, th140 frequency method of writing, with the intention to study the machine' s radio enthusiasts to download
4GG
- The 4g wireless uses Orthogonal Frequency Division Multiplexing (OFDM), Ultra Wide Radio Band (UWB), and Millimeter wireless. Data rate of 20mbps is employed. Mobile speed will be up to 200km/hr. The high performance is achieved by the use of long te
Channel-Equalization-via-Channel-Identification-A
- The problem of channel equalization via channel identification (CEQCID) that has previously been considered by a handful of researchers is explored further. An efficient algorithm for mapping the channel parameters to the equalizers coeficie
111
- 基于软件无线电的短波宽带跳频信号处理系统 的文档 。通信类的论文。-Documentation of software radio shortwave broadband frequency hopping signal processing system based on
CRmatlabCode
- MATlab code for frequency hole detection in cognitive radio
Resource-allocation-for-multiuser-cognitive-OFDM-
- we study the resource allocation problem for the multiuser orthogonal frequency division multiplexing (OFDM)-based cognitive radio (CR) systems with proportional rate constraints.
paper5
- Vandermonde-subspace Frequency Division Multiplexing for Two-Tiered Cognitive Radio Networks
tcvr
- Personal Communications Services (PCS) require low-power radio technologies. One such transceiver architecture employing frequency-hopped spread spectrum techniques is described. Low power and robustness are two keys to a wireless personal comm
[5]-Sensitive-White-Space-Detection-with-Spectral
- This paper proposes a novel, highly effective spectrum sensing algorithm for cognitive radio and white space applications. The proposed spectral covariance sensing (SCS) algorithm exploits the different statistical correlations of the received
InTech-Accelerating_radio_wave_propagation_algori
- Radio is the use of radio waves to carry information, such as sound, by systematically modulating some property of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.[n 1] When radio wave
OFDM-1
- To fully exploit wireless radio resource and, thus, increase spectrum efficiency, cognitive radios shall sense wire- less environments and identify interference to allow opportunis- tic transmissions for secondary systems. Based on Chen et al.
freqpaper
- 跳频电台是按全网预设的程序，自动操控网内所有台站在一秒钟内同步改变频率多次，并在每个跳频信道上短暂停留。周期性的同步信令从主站发出，指令所有的从站同时跳跃式更换工作频率。跳频电台的目的是增强抗干扰能力和通信隐蔽性，是电子对抗技术发展的产物(The frequency hopping station is a program that is preset by the whole network, and automatically controls all stations in the net