[...]... Access (UTRA) and CDMA Multi-Carrier radio interface (cdma2000) A wireless network is defined in terms of standards and specifications that are developed by different standardization organizations or industry associations Hence, standards and specifications vary for different technologies On the other hand, a common framework exists that characterizes the wireless systems This chapter describes the wireless. .. establishment requests and responses to network-originated inquiries 1.6 Narrowband and Wideband Systems Wireless systems can be classified according to whether they have a narrowband or wideband architecture Narrowband systems support low-bit-rate transmission, whereas wideband systems support high-bit-rate transmission A system is defined as narrowband or wideband depending on the bandwidth of the transmission... book CRC -Wireless November 16, 2001 11:33 Char Count= 1047 5.19.1 Increase in the Transmission Rate 5.19.2 Power Control 5.19.3 Soft Handoff Criteria 5.19.4 Hard Handoff 5.19.5 Idle Handoff 5.19.6 Conclusions 5.20 Summary Part III Wireless Data 6 Wireless Data Technology 6.1 Introduction 6.2 General Packet Radio Service 6.2.1 Network Architecture 6.2.2 Protocol Architecture 6.2.3 Data Flow and Data... the several PEs relies on out-of-band signaling or on SS7 protocols The SS7 protocols provide means to: r Place service logic and service data into network elements responsible for handling control and connection remotely r Enable the communication between intelligent applications and other applications r Access databases located in various parts of the network 1.2.3 Wireless Service Requirements Some... evolution of IS-95A—, and HDR fulfill the aspirations of the incorporation of data transmission capabilities into wireless systems HDR, in particular, provides for data rates as required by third-generation (3G) systems 3G wireless network conception is embodied by the International Mobile Telecommunications–2000 (IMT-2000) IMT-2000 standards and specifications have been developed by various standards organizations... involved in a call, both wired and wireless, renders billing a difficult task IN flags can be used to facilitate the billing They can be included into the call record so that billing reflects the specific call handling and fees can be processed more easily r Data-Service Capability Short Message Service (SMS) is a very popular wireless feature Wireless phones are allowed to send and receive messages in addition... Mobile Telephone system (NMT) in Europe; and Japan TACS (JTACS) and Nippon TACS (NTACS) in Japan Second-generation (2G) wireless networks emerged in the early 1990s and were totally based on digital transmission techniques 2G systems aimed at providing a better spectral efficiency, a more robust communication, voice and low-speed data services, voice privacy, and authentication capabilities Three major... operates The system channel bandwidth is assessed with respect to the coherence bandwidth The coherence bandwidth is defined as the frequency band within which all frequency components are equally affected by fading due to multipath propagation phenomena Systems operating with channels substantially narrower than the coherence bandwidth are known as narrowband systems Wideband systems operate with channels... Encryption, and Voice Privacy 5.12 Authentication 5.12.1 Updating the Shared Secret Data 5.12.2 Mobile Station Registrations 5.12.3 Mobile Station Originations 5.12.4 Mobile Station Terminations 5.12.5 Mobile Station Data Burst 5.12.6 Unique Challenge-Response Procedure 5.13 Message Encryption 5.14 Voice Privacy 5.15 Roaming 5.16 Handoff 5.16.1 Types of Handoff 5.16.2 Handoff and Pilot Sets 5.16.3 Handoff... telephone calls SMS works like a pager, and requires SS7 messages for the several tasks involved in its implementation: access to database, authentication, message encapsulation, paging, routing, etc IN procedures are certainly required to implement SMS 1.2.4 Wireless IN Services The IN protocols and concepts can be used to implement enhanced wireless services rapidly and to have these services available .