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认知无线电系统中，主用户和认知用户仿真代码，可以根据需要加入多个主用户和认知用户等。matlab的实现-Cognitive radio system, the primary users and cognitive user simulation code, as needed into a number of primary users and cognitive users. matlab implementation
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认知无线电系统中多载波信号带外干扰的抑制，采用载波加权的方法降低认知无线电系统中认知用户信号对主用户信号的干扰
-Cognitive radio system in multi-carrier signal-band interference suppression, the use of carrier-weighted ways to reduce cognitive cognitive radio system users on the primary user signal sign
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Cognitive radio frequency spectrum detection-The spectrum sensing of a wideband frequency range is studied by dividing it into multiple subbands.
It is assumed that in each subband either a primary user (PU) is active or absent in a additive white
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Cognitive Radio Primary User Detection
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binary information regarding matlab code for cognitive radio. primary user and secondary users sense the spectrum using co operative sensing scheme
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binary information regarding matlab code for cognitive radio. primary user and secondary users sense the spectrum using co operative sensing scheme
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binary information regarding matlab code for cognitive radio. primary user and secondary users sense the spectrum using co operative sensing scheme
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轻武器权限申请程序等外侧段v二大王我我的2的1我-In cognitive radio networks, power control is considered as an important issue to improve the performance of dynamic spectrum sharing. In this paper, in order to maximize the efficiency of the system, the secondary users and
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网对此说道稳定调查单位为氮测定法v稳定成为当刺猬刺猬刺猬侧完成单位从汶川-In cognitive radio networks, power control is considered as an important issue to improve the performance of dynamic spectrum sharing. In this paper, in order to maximize the efficiency of the system, the secondar
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额度为单位对身材C阿萨css彻底删除维多西奇舞动长裙策维持稳定从万达cdc档次低vvcd-In cognitive radio networks, power control is considered as an important issue to improve the performance of dynamic spectrum sharing. In this paper, in order to maximize the efficiency of the system, the
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稳定时期为单位汽车完善的需求为单位DDFCWECDWCSCSC测定出稳定舞动长裙生产线-In cognitive radio networks, power control is considered as an important issue to improve the performance of dynamic spectrum sharing. In this paper, in order to maximize the efficiency of the system, the s
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Unnikrishnan, Veeravalli - 2011 - Cooperative spectrum sensing for primary user detection in cognitive radio
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In last decades, the demand of wireless spectrum has
increased rapidly with the development of mobile communication
services. Recent studies recognize that traditional fi xed spectrum
assignment does not use spectrum effi ciently. Suc
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认知无线电中的主用户的能量检测，非协作检测，Rayleigh衰落信道下-Cognitive radio, primary user detection, under Rayleigh channel
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to check whether primary user is present or not
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primary and secondary user creation in cognitive radio
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This code represent a simulation for cognitive radio networks, and contain of sensing algorithm, generated function for the specturm signals, analysis function for detection the white spaces, finally main function to run the code, the result is manag
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认知无线电系统中能量检测部分，通过设置门限值，判断主用户出现与否-In the cognitive radio system, the energy detection part, by setting the threshold value, to judge whether the primary user appears or not.
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三个主用户信道，到达率λ1，服务率μ1。全被主用户占满时，再有主用户进入会形成阻塞block1；三个次级用户信道，到达率λ2，服务率μ2。全被次级用户占满时，再有次级用户进入会形成阻塞block2；主用户拥有优先权，但只能使用自己的信道；次级用户在感知主用户信道空闲时，可以占用。但有主用户进入时必须让出，导致掉线drop。-Three primary user channel, the arrival rate λ1, service rate μ1. When all were filled
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频谱感知需要的认知无线电中顺序，寻找机会频谱的灵活使用。此外，它是干扰的管理造成水平的关键向初级用户 （PUs） 的频谱。遥感提供了
无线电操作环境的意识。认知电台可然后适应它的参数如载波频率电源和波形动态调整提供最好的服务可用的连接，以满足用户的需求范围内
对干扰约束。无线通信系统中，我们通常有一些对波形的知识和结构或统计属性的信号的频谱的主要用户使用。这种知识可能相关的调制
计划、 符号或芯片的信号，通道的速率。(Spectrum sensing requires the order
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