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wcdma
- contains documents related to adaptive beamforming algorithms for Wideband Code Division multiple access and a research article on circular patch antenna for C band altimeter system-contains documents related to adaptive beamforming algorithms for
ISO-IEC-14496-2_2001_MPEG4_Visual.pdf
- MPEG-4 标准文档 access to visual objects in natural and synthetic moving pictures and associated natural or synthetic sound for various applications such as digital storage media, internet, various forms of wired or wireless communication etc. The
coop_R31
- R. Lin and A.P. Petropulu, 揂 New Wireless Medium Access Protocol Based On Cooperation,擨EEE Trans. on Signal Processing, vol. 53, no. 12, pp. 4675-4684, December 2005.
blindwangpoor
- problem of blind demodulation of multiuser information symbols in a high-rate code-division multiple-access (CDMA) network in the presence of both multiple-access interference (MAI) and intersymbol interference (ISI) is considered.
ebooks
- Most e-book publishers do not warn their customers about the possible implications of the digital rights management tied to their products. Generally they claim that digital rights management is meant to prevent copying of the e-book. However in many
Defects_TD2SCDMA_Standards
- 从智能天线的工作原理出发说明使用智能天线时很难实现小区的分扇区应用、多频点天线公 用,因此可以证明智能天线还不是一项可供商用的实用技术 考虑相邻小区/扇区时隙的不对称分 配所产生的相邻小区/扇区收发干扰时,可以证明上、下行时隙实质上是不能按需分配的。3 G使 用的频段是2 GHz,具有传播衰落大、穿透能力差、不易做大范围覆盖。TD2SCDMA标准很难提供3 G标准所规定的在车载、步行、静止环境下分别达到144 kbit/ s、384 kbit/ s和2 048 kbit/ s的无
duoyonghujianche
- 本论文从TH-UWB的信号结构特点出发，分析了TH-UWB系统多址干扰与 CDMA系统多址干扰的不同特点，提出了多个低复杂度的多用户检测器。-In this paper, from the TH-UWB signal structure characteristics of an analysis of TH-UWB system with multiple access interference CDMA systems multiple access interference of
1
- 中国移动通信集团公司最近已在上海、北京、天津、广州、杭州、深圳等六大城市同时开出WAP商用试验网，首期商用试验网的六大城市在3月25日-5月31日期间实行免费上网，6月1日后的WAP业务通信费标准将另行制定。WAP用户可以在这六大城市中使用WAP手机上网浏览WAP网站信息，这标志着我国有了自己的WAP网关，极大地促进了我国WAP服务行业的发展，也象征着我国无线通信技术进入了一个新的里程。-China Mobile Communications Corporation has recen
Analysis_of_channel_estimation_methods_for_OFDMA.
- OFDMA, Orthogonal Frequency Division Multiple Access is a broad band communication method. Here channel estimation is more crucial. Based on the FFT size used for OFDM transmission method that many number of channel co-efficients are to be estimated
QOS_routing_selection
- 保证服务质量的QoS 路由(Quality of Service Routing) 是网络中解决QoS 问题的一项关键技术. QoS 路由 的主要目标是为接入的业务选择满足服务质量要求的传输路径,同时保证整个网络资源的有效利用. 度量参数选择问 题、寻路问题和路由信息不准确问题是QoS 路由中的几个主要研究内容. 本文围绕这三个方面,介绍了QoS 路由中的 主要问题及相关的解决办法,并探讨了今后QoS 路由可能的研究方向.-To ensure the quality of serv
s01-3
- Advances of diverse wireless access technologies are defining the trends of future wireless networks, named Next Generation Wireless Networks (NGWN), where several access technologies will coexist and devices will be equipped with different n
DMA
- ，DMA方式就是在一定时间段内，由DMA控制器取代CPU，获得总线控制权，来实现内存与外设或者内存的不同区域之间大量数据的快速传送。-, DMA mode is in a certain period of time, by the DMA controller to replace the CPU, access to the bus control, to achieve the memory and peripherals or memory large amounts of data b
LeTuEmp
- j2me本地文件存取实例，GPS项目中本地地图读取模块。-j2me instance of a local file access, GPS projects, read the local map module.
wp_wimax
- WiMAX, or the IEEE 802.16 standard for broadband wireless access, is increasingly gaining in popularity as a technology with significant market potential. This paper first provides an overview of the existing and developing 802.16 standards and t
AChannelAccessSchemeForLargeDensePacketRadioNetwo
- A Brief Survey of Media Access Control, Data Link Layer, and Protocol Technologies for Lunar Surface Communications
DurraniThesis
- a brief introduction to the concept and application of smart antennas for Code Division Multiple Access (CDMA) systems is presented. Following some introductory remarks in Section 1.1, the basic definition and classification of smart antennas is
Lab01_Ethernet
- The Ethernet is a working example of the more general Carrier Sense, Multiple Access with Collision Detect (CSMA/CD) local area network technology. The Ethernet is a multiple-access network, meaning that a set of nodes sends and receives frames o
T2376
- The main objective of the project was to address the above mentioned trends and to form a consistent concept of an All-IP telecommunications network with wireless access. The project took into account both the user’ s and the network’ s
jen_hall
- The need for robust access control mechanisms is paramount, especially in Wireless Local Area Network (WLAN)s and Wireless Wide Area Network (WWAN)s. Current authentication systems are vulnerable to device impersonation by rogue devices. Within
The_Linux_Networking_Architecture
- 除了PPP、IP、防火牆、路由、TCP、NAT、UDP及套接字等核心問題外，本書還討論了最新的協議及協議擴展，譬如各種DSL訪問技術中用到的PPPoE協議、Bluetooth(藍牙)四驅動程序及QoS(Quality-of-Service，服務質量)支持等-In addition to PPP, IP, firewall, routing, TCP, NAT, UDP, and sockets and other core issues, this book also discusses the