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W-CDMA and cdma2000 for 3G Mobile Networks
At the time we were working on third-generation (3G) wireless systems at Lucent Technologies, we realized that there were not many books available on this topic. ITU-R had defined four 3G systems, and published a set of standards in 1999. In most cases, our only sources of information were these standards, which were necessarily quite elaborate and were not available as a single document. The purpose of this book is to fill that void and...
401 p dtu 20/11/2012 181 1
Từ khóa: 3G Mobile Networks, wireless systems, hệ thống không dây, engineering managers, thiết kế hệ thống, quản lý hệ thống, kỹ thuật quản lý, công nghệ 3G
This book is intended to provide a self-contained general understanding of the factors that determine quality of service (QoS) in a third-generation (3G) mobile network that interacts with other fixed networks. Since QoS is an end-end quantity, and the mobile networks interact both with each other and with fixed networks, the discussion includes topics applicable to all types of networks. The style of presentation here is aimed at network...
350 p dtu 15/11/2012 191 1
Từ khóa: 3G Networks, mobile network, fixed networks, mạng di động, công nghệ mạng, mạng di động 3G
Whereas today’s expensive wireless infrastructure depends on centrally deployed hub-andspoke networks, mobile ad hoc networks consist of devices that are autonomously selforganizing in networks. In ad hoc networks, the devices themselves are the network, and this allows seamless communication, at low cost, in a self-organized fashion and with easy deployment. The large degree of freedom and the self-organizing capabilities make mobile ad hoc...
480 p dtu 15/11/2012 243 1
Từ khóa: Mobile ad hoc networking, seamless communication, wireless networking, mạng không dây, công nghệ mạng, mạng di động
Introduction to Telecommunications Network Engineering
Telecommunications is one of the fastest growing business sectors of modern information technologies. A couple of decades ago, to have a basic understanding of telecommunications, it was enough to know how the telephone network operated. Today, the field of telecommunications encompasses a vast variety of modern technologies and services. Some services, such as the fixed telephone service in developed countries, have become mature, and some...
398 p dtu 10/11/2012 212 5
Từ khóa: Telecommunications Network, mobile communications, telecommunications industry, công nghệ viễn thông, kỹ thuật viễn thông, mạng di động
Handbook of Wireless Networks and Mobile Computing
The past five decades have witnessed startling advances in computing and communication technologies that were stimulated by the availability of faster, more reliable, and cheaper electronic components. The design of smaller and more powerful devices enabled their mobility, which is rapidly changing the way we compute and communicate. For instance, the worldwide number of cellular phone subscribers has quadrupled in the last five years and has...
648 p dtu 10/11/2012 216 1
Từ khóa: communication technologies, Wireless Networks, Mobile Computing, công nghệ truyền thông, linh kiện điện tử, kỹ thuật điện tử
GSM (Global System for Mobile communication) is a Worldwide Digital Cellular Communications Network. GSM is a Second Generation (2G) digital radio cellular network. Time Division Multiplexing / Multiple access (TDM/TDMA) are employed.
67 p dtu 09/11/2012 205 1
Từ khóa: Global System, Mobile communication, Communications Network, công nghệ viễn thông, kỹ thuật viễn thông, công nghệ GSM
The General Packet Radio Service (GPRS) allows an end user to send and receive data in packet transfer mode within a public land mobile network (PLMN) without using a permanent connection between the mobile station (MS) and the external network during data transfer. This way, GPRS optimizes the use of network and radio resources (RRs) since, unlike circuitswitched mode, no connection between the MS and the external network is established when...
241 p dtu 07/11/2012 196 1
Từ khóa: data transfer, mobile network, EDGE for Mobile Internet, kỹ thuật viễn thông, công nghệ viễn thông, khoa học công nghệ
Wireless Mobile Networking with ANSI-41
To begin to understand the ANSI-41 signaling protocol, it is necessary to understand some basics about wireless telecommunications. This chapter provides a general overview of the most important concepts in wireless cellular telecommunications that apply to ANSI-41. For some readers, this will be a high-level review; for others, it may clarify some misconceptions and provide an overall understanding of cellular wireless technology that will be...
503 p dtu 04/11/2012 185 1
Từ khóa: Wireless Mobile Networking with ANSI-41, Wireless Telecommunications, Network Architecture, công nghệ không dây, công nghệ truyền thông, viễn thông di động
Advances in mobile radio access networks
This book gives a comprehensive overview of the technologies for the advances of mobile radio access networks. The topics covered include linear transmitters, superconducting filters and cryogenic radio frequency (RF) front head, radio over fiber, software radio base stations, mobile terminal positioning, high speed downlink packet access (HSDPA), multiple antenna systems such as smart antennas and multiple input and multiple output (MIMO)...
263 p dtu 01/11/2012 184 1
Từ khóa: Advances in mobile radio access networks, access networks, linear transmitters, IP-based radio access networks, công nghệ mạng viễn thông, công nghệ viễn thông