Spectrum Efficiency Improvement Based on the Cognitive Radio Management

来源 :通讯、网络与系统学国际期刊(英文) | 被引量 : 0次 | 上传用户:luzhengnan801106
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Interference and delay are considered as the major reasons limiting the capacity and increasing the new call blocking probability in cellular system. In this paper we introduce a novel strategy based on cognitive radio. Cognitive radio is defined as a rad
其他文献
In this paper, we investigate power allocation problem with the use of transmit beamforming in a dual hop MISO (multiple input single output) relay channel. We
期刊
This paper describes the design, realization and experimental measurements of an antenna element to operate at ultra-wideband (UWB) spectrum. The type of this a
In this paper, we propose two novel semi-blind channel estimation techniques based on QR decomposition for Rayleigh flat fading Multiple Input Multiple output (
在前期研究确立的节水灌溉模式基础上,通过四因素五水平二次回归正交设计试验,以基本苗数、种肥磷量、追氮肥量和灌水量四项主要农艺措施为决策变量,以产量和水分利用效率为
Given the substantially increasing complexity of embedded systems, the use of relatively detailed clock cycle-accurate simulators for the design-space explorati
各省、自治区、直辖市质量技术监督局: 现将2004年第3季度定量包装商品净含量国家监督专项抽查情况通报如下:
<正> 有一则可怕的消息近日在国际金融界流传:那些不提供包括互联网服务等新业务的金融企业,将在未来5年内,每年流失约10%的客户。于是,金融界坐不住了,纷纷推出了以互联网为
Wireless Sensor Networks (WSNs) are used in different civilian, military, and industrial applications. Recently, many routing protocols have been proposed attem
<正> NCR 公司是全球 ATM 金融自助服务领域的领导厂商,一直致力于 ATM 自助服务的研究开发,引领着 ATM 的发展步伐,开创了更多崭新的服务概念型产品。多年来,NCR 凭借在金融