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- a survey on cognitive radio application focus on spectrum allocation (spectrum management ) and Dynamis Spectrum Access (DSA)
BAS
- These cooperations are facilitated by dynamically and opportunistically assigning one of the secondary users as a relay to assist the other one, which results in more efficient spectrum hole detection. Also, we investigate the impact of erroneous
v
- 个人防火墙核心技术是数据包的截获,通过SPI 服务提供者接口进行网络数据包( Service Provider Interface) 截获能够最完备地得到进程访网信息. 一个功能完备的个人防火墙系统不仅能够封 包截获,还应能解析协议、支持自定义控管规则以及日志记录随时的网络通信状况. 本项目遵循SPI 规 范完整实现了上述功能,给出了一个Windows 下的个人防火墙系统实现过程中的技术要点分析.-Personal firewall core technology is interc
RESEARCH_ON_END-TO-END_HANDOFF
- 本文在研究IEEE802.16e协议和SIP协议的基础上，提出了利用 SIP解决IEEE802.16接入网络中端到端切换的新方案。该方案采用跨 层切换的设计思想，联合MAC层和应用层SIP协议，在底层链路切换 的同时，完成应用层会话的修改，加快了切换过程，减少了切换时延， 提高了切换成功率。本文基于NS2仿真平台，完成了相应的仿真平台 搭建过程，实现了SIP协议模块和WiMAX协议模块的融合，扩展了SIP 协议模块的部分消息，最终在基于SIP协议模块和WiMAX协议的统
USBprogram
- 现在USB设备却很多，因此对USB设备的查找与读写就必不可少了，这里使用VC++示范了一些获得USB的信息的方法-But now a lot of USB devices, so USB devices to find and read and write on the essential, and here using VC++ demonstrated some methods of information access USB
ppt-triangel
- 本專題分為3大部份 1. 對單一圖片做邊緣檢測後, 統計其複雜度, 再以 Delaunay 三角網來分割複雜度較高的圖形, 將此圖形之三角網的三點座標與RGP值 取樣後壓縮儲存, 及達成壓縮目的. 還原部份為, 以線性內插則是將取樣後的三角網三點內插後還原之原理, 還原單一影像, 再將所有還原之影像串連撥放即完成之影片還原. 2.讀取RS-232接至RFID門禁系統, 讀取Myfair悠遊卡之卡號, 進行身份辨識後, 可選擇需要觀賞之影片.
W-CDMA
- W-CDMA stands for Wideband Code Division Multiple Access Its an air interface standard found in 3G mobile telecommunications networks designed for “always-on” packet-based wireless service, so that computers entertainment dev
IT-Scenario-Analysis-Report
- Because of the role that Computing Professional holds in the information systems of an organization, which give them the right to access the highly confidential information stored in its information systems, because they often need to access it to ex
M1
- 容量为8K位EEPROM 分为16个扇区，每个扇区为4块，每块16个字节,以块为存取单位 每个扇区有独立的一组密码及访问控制 每张卡有唯一序列号，为32位 - capacity of 8K-bit EEPROM divided into 16 sectors, each sector is 4 blocks, each block of 16 bytes to block a
CDMA-Reference-Blockset
- (R) The CDMA Reference Blockset is a collection of Simulink blocks designed to help you develop and simulate CDMA wireless communication systems, based on the current North American IS-95A CDMA (code division multiple access) standard. -(R
Spectral-Efficiency-of-MC-CDMA-Linear-and-Non-Lin
- This paper analyzed the spectral efficiency (total channel capacity per subband) of randomly-spread synchronous multicarrier code-division multiple-access (MCCDMA) channel subject to frequency-selective fading in the asymptotic regime of number of us
UMTS
- UMTS中一种新的RAN结构及其接入控制技术的研究 论文重点研究了这种架构下的关键技术之一一呼叫接入控制技术。文章在分析未来移动通信系统特点的基础上，认为HCS(分层小区结构)是未来移动通信的主要覆盖模式。那么在HCS覆盖模式 下的IP．RAN中的呼叫接入控制策略可以分解为：无线资源部分的层选择技术、接入控制技术和切换技术和IP．RAN网络部分的接入控制技术、切换技术。-This paper focuses on the key technology of the framework of
Cisco-Router-configuration
- 本书是一本关于在Cisco路由器上的IOS软件中进行配置的内容全面的参考书。全书共分为14章，分别介绍了配置基础知识、界面配置、拨号解决方案、桥接技术、IBM连网、IP编址和服务、IP路由选择协议、IP路由处理、非IP路由选择协议、服务质量、Cisco IOS软件交换服务、语音和电话、安全和VPN、访问控制和正则表达式等内容。-This book is a book about Cisco routers in the Cisco IOS software configuration of th
0849329604.gilbert
- Within a few years, wireless mesh networking may revolutionize the manner by which you can access the Internet as well as communicate with co-workers and friends. Although the software behind wireless mesh networking is still evolving, the conc
C15
- A Study of Access Methods Effect on the Performance of Two-Tier LTE Femtocell Networks
05-3119
- Abstruct- We describe novel interleaver and deinterleaver architectures that support bandwidth efficient memory access for decoders of turbo-like codes that are used in conjunction with high order modulations. The presentation focuses on a deco
TD-SCDMA
- 介绍了TD-SCDMA的网络优化机制与原理，对接入网的开发测试人员具有较大参考价值。-Introduced the TD-SCDMA network optimization mechanisms and principles, the development of the access network tester has a large reference value.
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- 摘要：频谱检测技术是认知无线电中极其重要的环节。而协作式的频谱检测由于其良 好的检测性能日益受到人们的关注。基于能量检测，协作频谱检测的算法主要有：与 (AND)算法、或(OR)算法、计数算法、分区算法、似然比算法、线性加权算法和分布式 无线通信系统(DWCS)算法。分析表明，这些协作检测算法能够改善系统的检测性能、 减低干扰冲突、提高频谱利用率。-Knot current spectrum within the detection area, the main sorting
Heterogeneous-network
- 无线通信网络的发展趋势之一是将各种不同无线接入技术进行融合。多接入选择作为无线资源管理中的关键技术是目前异构网融合的研究热点之一。从用户的利益出发，充分考虑预接入网络的费用、QoS 和稳定性；假定不同的网络运营商之间是彼此竞争的，即没有达成统一的协议，提出了一种结合目标代价函数与层次分析法的动态多接入选择算法。通过对影响因素进行分析和二次判断，建立了网络选择决策模型，仿真结果验证了该算法的正确性与有效性。-Trends in wireless communication network is o
Beyond-3G
- This paper defines the requirements for cooperation of heterogeneous radio access networks (RANs) and proposes a novel radio resource management (RRM) framework for support of mobility and quality of service (QoS) in a heterogeneous communication