Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond

Ngày tải lên: 02/03/2013, 16:59

... be required for real-time services. The signalling may be carried with the data, which is known as in-band signalling, or it may be out-of-band and thus separate from the data. In- band signalling ... between the QoS protocols that it supports and the link layer protocols and QoS classes. For example, the IP module may actually use some form of link-layer reservations for t...

Ngày tải lên: 27/10/2013, 17:15

... a base station will therefore be a sum of the desired signal and co-channel interference. 68.2.6 Signal-Plus-Interference Model The overall signal-plus-interference -and- noise model at the base ... mobile communications, Center for Telecom- munications and Information Systems Laboratory, Stanford University, Stanford, CA, July 2 0-2 1, 1995. [3] Third workshop on smart antennas in...

Ngày tải lên: 16/12/2013, 04:15

... rather than add- ing them outside. IE 8 and Opera support box-sizing without a vendor prefix. Use -moz-box-sizing for Firefox and -webkit-box-sizing for Safari and Chrome. . Multi-column Layout. ... with the border-radius property, you need to use three style declarations like this: -moz-border-radius: 8px; -webkit-border-radius: 8px; border-radius: 8px; The -moz- and -webkit-...

Ngày tải lên: 06/03/2014, 03:20

... rather than add- ing them outside. IE 8 and Opera support box-sizing without a vendor prefix. Use -moz-box-sizing for Firefox and -webkit-box-sizing for Safari and Chrome. . Multi-column Layout. ... with the border-radius property, you need to use three style declarations like this: -moz-border-radius: 8px; -webkit-border-radius: 8px; border-radius: 8px; The -moz- and -webkit-...

Ngày tải lên: 21/03/2014, 11:45

... for specic kinds of loss, and how much to charge for protection. Automobile insurance is a prime example. Insurers can compute and predict the number and severity of automobile accidents and ... the premium for automobile insurance, and demands more sophisticated data, models, and analytics. In pricing tail risk, modelers calculate the losses, and the insurance pricin...

Ngày tải lên: 06/03/2014, 08:20

Ngày tải lên: 26/04/2013, 09:50

... service coverage in 2-GHz band with code division multiplexing/code division multiple access (CDM/CDMA) scheme and supports both circuit-switched and packet-oriented services. Further- more, high data ... a rough sketch of present and future mobile communi- cations systems. As an evolutional form of mobile phone systems, Interna- tional Mobile Telecommunications (IMT )-2 000...

Ngày tải lên: 20/01/2014, 23:20

... 31 Principle and History of MCM/OFDM Figure 3.2 Comparison of transmitted waveforms: (a) Baseband serial data transmission system; and (b) OFDM system. 22 Multicarrier Techniques for 4G Mobile Communications 2.7 ... Lee, W. C. Y., Mobile Communications Engineering, New York: McGraw-Hill, 1982. [6] Steele, R., Mobile Radio Communications, New York: IEEE Press, 1992. [7] Rappap...

Ngày tải lên: 20/01/2014, 23:20

... AAA and Identity Management for Mobile Access: The World of Operator Co-Existence 265 11.1 Operator Co-existence and Agreements 265 11.1.1 Implications for the User 266 11.1.2 Implications for ... the groundwork for Mobile IP-AAA discussions in Chapter 8. Chapters 6 and 7 describe the two most important AAA protocols, namely RADIUS and Diameter and their applicatio...

Ngày tải lên: 25/03/2014, 11:05