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ber_OFDM_64s_1e4_withclipping_snr20_differCR_1_2_3
- 限幅方法降低OFDM系统误码率，不通限幅率的比较曲线-reducing the OFDM PAPR with different CR in Clipping methord
Untitled2
- 降低OFDM峰均比限幅方法CCDF曲线比较仿真程序。主要仿真参数为：子载波N=128,各支路采用16QAM调制，限幅率CR=1.4,仿真的OFDM符号数Nsymbol=10000。-Reduce the OFDM PAPR limiting method of CR = 1.4 CCDF curve simulation program. The main simulation parameters are: N = 128 sub-c
mmm1
- OFDM is one of the best physical-layer candidates for cognitive radio (CR) systems, but rectangular pulse shaping gives rise to large spectrum sidelobes and interferes with the licensed user on the adjacent band. I
cr
- 通过介绍认知无线技术，让大家掌握基于CR的OFDM通信系统的搭建-failed to translate
Spectral-Efficiency-Analysis-in-OFDM-and-OFDM_OQA
- Spectral Efficiency Analysis in OFDM and OFDM/OQAM based Cognitive Radio Networks The future wireless communication is expected to be able to improve the efficiency of spectrum usage. To solve the challenge of s
CR-MIMO-OFDM
- 认知无线电(Cognitive Radio,CR)的概念起源于1999年Joseph Mitolo博士的奠基性工作，其核心思想是CR具有学习能力，能与周围环境交互信息，以感知和利用在该空间的可用频谱，并限制和降低冲突的发生-Cognitive radio (Cognitive Radio, CR) concept originated in 1999, Dr. Joseph Mitolo s groundbreaking work, t
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.
inter
- CR_OFDM系统中，自己编的，搜索没有被主用户占用的频带。-Compiled, CR in OFDM system, his search no band is occupied by a primary user.
OFDM信号频谱感10
- 前已提出的频谱感知方法主要包括匹配滤波器检测、 能量检测、 循环平稳特征检测以及多分辨率频谱感知. 这些方法均为单节点感知方法.然而，在阴影和深度衰落情况下， 单个节点的感知结果并不可靠， 因此， 需要对多个节点的感知结果进行融合，以提高检测可靠性， 即协作感知技术. 文献采用“或” 准则对各个 CR 感知结果进行融合. 文献则提出了基于 D-S 证据理论的协作频谱感知算法，虽然该算法的性能比“或” 准则或“与”准则要好， 但需要存储大