Integrated Terrestrial-Satellite Mobile Networks

... 7Integrated Terrestrial-SatelliteMobile Networks7 .1 IntroductionSatellite integration into terrestrial mobile networks may take two paths: the evolutionary ... adopts mobile assisted handover (MAHO) as the handover controllingscheme, i.e. both the mobile station and the network monitors the received signal strengthIntegrated Terrestrial-Satellite Mobile Networks ... number ma...

Ngày tải lên: 14/09/2012, 11:26

... Chapter 7 Evolution of Mobile Communication Networks 261 Review of 3G Requirements [1]-[4] 262 Network Evolution 264 First-Generation Network 264 Second-Generation Networks 266 2Gϩ Networks 268 3G Network ... systems provided three types of mobile telephone ser- vice: ■ Complete Mobile Telephone Service (MTS) for voice communication to land -mobile users assisted with mobile te...

Ngày tải lên: 02/03/2013, 16:58

Ngày tải lên: 06/11/2013, 05:15

... not perfect. Even when a mobile is adjusting its transmitter power at 1,500 Hz on command from the BS, this closed-loop power control algorithm does not work well for mobile velocities of 100 ... implementation at a BS. Moreover, because a mobile station is only concerned with detecting the signal from a single user, multiuser detection is really not necessary at a mobile station. In...

Ngày tải lên: 23/12/2013, 01:17

... certificates are not intended for use in a mobile environment; authentication between the mobiles and the network is a prerequisite for connecting the mobile to the network; in the case of mutual ... different than the source MAC, and there would be no equality. www.it-ebooks.info 80 Wireless and Mobile Network Security Figure 3.2. Generation and verification of an electronic sign...

Ngày tải lên: 16/02/2014, 15:20

... mathematical means. 1.1 Dimensioning of m ulti-tier networks We have many types of multi-tier cellular networks all around us. 1.1.1 Mobile networks A multi-tier cellular network is a network ... channel and it can not be removed by the controller. 100 Mobile Networks 1 Mechamisms to Provide Quality of Service on 4G New Generation Networks Jesús Hamilton Ortiz, Bazil Taja Ahm...

Ngày tải lên: 21/02/2014, 18:20

... are not available or too expensive to acquire in mobile ad hoc networks. There are many proposed protocol for multicast routing in mobile ad hoc networks, such as PUMA, ODMRP or MAODV. In those ... TECHNOLOGY AND ENGINEERINGBinh Minh NguyenEFFICIENT CORE SELECTION FOR MULTICAST ROUTING IN MOBILE AD HOC NETWORKS GRADUATION THESISFaculty of Information TechnologySupervisor: Dr. Dai Th...

Ngày tải lên: 23/11/2012, 15:03

... the network procedures associated with a mobile- satellite network are presented. In order to facilitate a smooth integration with terrestrial mobile networks, it is important that as many of ... integration with fixed and mobile networks are presented, highlighting the requirements for integration with the GSM network. Chapter 8 presents an analysis of the market potential for mobile...

Ngày tải lên: 12/12/2013, 11:16

... from ‘‘stationary’’ to ‘‘highly mobile. ’’ Stationary users had a high maximum prevalence, as they spent most of their time associated to a single AP, while highly mobile users had low maximum and ... with a view to providing network access in a specific location, rather than providing ubiquitous mobile access. McNett and Voelker [16] used a client-side tool to measure mobility on the Uni...

Ngày tải lên: 20/01/2014, 01:21