搜索结果

找到约 402 项符合 OVER 的查询结果
相关度 上传时间 下载量 查看数
共 402 条结果

按分类筛选

显示更多分类

书籍 The 3G IP Multimedia Subsystem (IMS)

When 3GPP started standardizing the IMS a few years ago, most analysts expected the number of IMS deploymentsto grow dramatically as soon the initial IMS specifications were ready (3GPP Release 5 was functionallyfrozenin the first half of 2002and completedshortly after that). While those predictions ...
https://www.eeworm.com/dl/522150.html
下载: 1
查看: 49

书籍 The+Telecommunications+Handbook

Changes in telecommunications are impacting all types of user group, which include business users, traveling users, small and home offices, and residential users. The acceptance rate of telecom- munications and information services is accelerating significantly. Voice services needed approximately 5 ...
https://www.eeworm.com/dl/522161.html
下载: 1
查看: 38

书籍 Transmission Techniques for 4G Systems

Fourth Generation (4G) wireless communication systems aim to allow peak data rates in the range of 1 Gbps for nomadic access and 100 Mbps for vehicular mobil- ity. 4G aims to support current and emergent multimedia services, such as mobile TV, social networks and gaming, high-definition television a ...
https://www.eeworm.com/dl/522167.html
下载: 1
查看: 65

书籍 Understanding+Telecommunications+Business

The dictionary definition of telecommunications is ‘communication over long distance by cable, telegraph, telephone or broadcasting’, but since its initiation over 100yearsagothingshavemovedrapidly.Telecommunicationsisnowaverycomplex industrywithmanydifferentpressures,operatinginahighlydynamic env ...
https://www.eeworm.com/dl/522182.html
下载: 1
查看: 45

书籍 Understanding+Telecommunications+Networks

Telecommunications is today widely understood to mean the electrical means of communicating over a distance. The first form of telecommunications was that of the Telegraph, which was invented quite independently in 1837 by two scientists, Wheatstone and Morse. Telegraphy was on a point-to-point unid ...
https://www.eeworm.com/dl/522183.html
下载: 1
查看: 36

书籍 Wireless Communications 2nd Edition

n the first part of this book, we give an introduction to the basic applications of wireless com- munications, as well as the technical problems inherent in this communication paradigm. After a brief history of wireless, Chapter 1 describes the different types of wireless services, and works out the ...
https://www.eeworm.com/dl/522199.html
下载: 2
查看: 66

书籍 Wireless+Communications+Algorithmic+Techniques

Digital radios have undergone an astonishing evolution in the last century. Born as a set of simple and power-hungry electrical and electromechanical devices for low data rate transmission of telegraph data in the Marconi age, they have transformed, thanks to substantial advances in electronic techn ...
https://www.eeworm.com/dl/522208.html
下载: 5
查看: 235

书籍 Wireless+Communications+over+MIMO+Channels

Mobile radio communications are evolving from pure telephony systems to multimedia platforms offering a variety of services ranging from simple file transfers and audio and video streaming, to interactive applications and positioning tasks. Naturally, these services have different constraints concer ...
https://www.eeworm.com/dl/522209.html
下载: 1
查看: 81

书籍 Wireless+Communications+Resource+Management

Wirelesscommunications,especiallyinitsmobileform,hasbroughtusthefreedomofmobility andhaschangedthelifestylesofmodernpeople.Waitingatafixedlocationtoreceiveormakea phone call, or sitting in front of a personal computer to send an e-mail or download a video program, has become an old story. Nowadays i ...
https://www.eeworm.com/dl/522210.html
下载: 1
查看: 59

书籍 Wireless+Multi-Antenna+Channels+Modeling

The explosion in demand for wireless services experienced over the past 20 years has put significant pressure on system designers to increase the capacity of the systems being deployed. While the spectral resource is very scarce and practically exhausted, the biggest possibilities are predicted to b ...
https://www.eeworm.com/dl/522212.html
下载: 1
查看: 54