1.

Record Nr.

UNINA9910451096203321

Autore

Poole Ian

Titolo

Cellular communications explained [[electronic resource] ] : from basics to 3G / / Ian Poole

Pubbl/distr/stampa

Oxford, England, : Newnes, c2006

ISBN

1-280-62921-5

9786610629213

0-08-045632-4

Descrizione fisica

1 online resource (215 p.)

Disciplina

621.382

621.38456

Soggetti

Mobile communication systems

Cell phone services industry

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Includes index.

Nota di contenuto

Front cover; Title page; Copyright page; Table of contents; Preface; Chapter 1 Introduction to cellular telecommunications; Beginnings; Overview of the systems; Chapter 2 Radio waves and propagation; Electric fields; Magnetic fields; Radio waves; Frequency-to-wavelength conversion; Polarization; How radio signals travel; Refraction, reflection and diffraction; Coverage and network planning; Chapter 3 Modulation; Radio carrier; Amplitude modulation; Modulation index; Frequency modulation; Modulation index and deviation ratio; Sidebands; Bandwidth; Improvement in signal-to-noise ratio

Frequency shift keying Phase modulation; Phase shift keying; Minimum shift keying; Quadrature amplitude modulation; Spread spectrum techniques; Frequency hopping; Direct sequence spread spectrum; Orthogonal frequency division multiplex; Bandwidth and data capacity; Summary; Chapter 4 Cellular basics; Spectrum re-use; Multiple access schemes; Duplex operation; Setting up calls; Receiving and making a call; Handover and handoff; Channel usage; Infrastructure; Base transceiver station; Mobile switching centre; Mobile phone; Voice coding; Digital data structures; Chapter 5 Analogue systems; Today



Basic system Base station; Mobile switching centres; Mobile equipment; Voice messaging; Signalling methods; Control channels; Forward control channel; Reverse control channel; Call initiation; Paging and incoming call set-up; Handoff; Summary; Chapter 6 GSM; System architecture; Equipment and subscriber identifiers; Air interface; Power levels; Multiple access and channel structure; Vocoders; Operation; General packet radio service; GPRS network structure; Layers; GPRS mobiles; GPRS coding; GPRS physical channel; Channel allocation; GPRS operation; EDGE; Time slots; Data coding and throughput

Operation Chapter 7 North American TDMA; System overview; RF signal; Channels; Paging; Handoff; Authentication; PDC; Chapter 8 cdmaOne/IS-95; Standards; Spreading codes; Radio signal construction; Channels; Forward link code channels; Reverse channels; Power control; Handoff; Discontinuous reception; Call processing; Vocoders; Advantages of CDMA; Chapter 9 CDMA2000; 1X and 3X; Radio configurations; CDMA2000 1X; Power control; Beam formatting; Channels; Packet data; Handoff; CDMA2000 1xEV-DV; New features; Base station selection; Release D; Broadcast and multicast services; Fast call set-up

Mobile equipment identifier CDMA2000 1xEV-DO; EV-DO air interface; Forward link; Reverse link; Mobile IP; Chapter 10 UMTS; Capabilities; System architecture overview; User equipment; Radio network sub-system; Protocols; Air interface; Spreading; Synchronization; Power control; Frames, slots and channels; Logical channels; Transport channels; Physical channels; Packet data; Speech coding; Discontinuous reception; Access stratum protocol layers; Handover; Inter-system handover; The evolution of 3G networks; Chapter 11 Position location; Cell ID; TDOA; A-GPS; GPS; Assistance from the base station

A-GPS

Sommario/riassunto

Among the many books published on 3G and cellular telecommunications, this introduction stands out due to its broad coverage of the subject and straightforward explanations of the principles and applications using a minimum of maths. Writing as an engineer for engineers, Ian Poole provides a systems-level view of the fundamentals that will enhance the understanding of engineers involved working in this fast-paced field. Equally, the book helps students, technicians and equipment manufacturers to gain a working knowledge of the applications and technologies involved in cellular communica



2.

Record Nr.

UNINA9910458538703321

Autore

Ebied R. Y

Titolo

Muslim-Christian polemic during the Crusades [[electronic resource] ] : the letter from the people of Cyprus and Ibn Abī Ṭālib al-Dimashqī's response / / edited by Rifaat Y. Ebied, David Thomas

Pubbl/distr/stampa

Leiden ; ; Boston, : Brill, 2005

ISBN

1-280-91477-7

9786610914777

90-474-0471-8

1-4294-0715-8

Descrizione fisica

[vii], 516 p

Collana

The history of Christian-Muslim relations, , 1570-7350 ; ; v. 2

Altri autori (Persone)

ThomasDavid <1948-> (David Richard)

DimashqīShams al-Dīn Muḥammad ibn Abī Ṭālib <1256 or 7-1327.>

Disciplina

261.2/7/09023

Soggetti

Apologetics

Christianity and other religions - Islam

Islam - Relations - Christianity

Church history - Middle Ages, 600-1500

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Bibliographic Level Mode of Issuance: Monograph

Nota di bibliografia

Includes bibliographical references (p. [499]-503) and index.

Nota di contenuto

The letters and their authors -- The manuscripts of the letters -- The language of the letters: divergences from classical usage -- The letter from the people of Cyprus -- Al-Dimashqi's response to the letter from the people of Cyprus