By IEEE Communications Society
The final reference ebook for execs within the instant undefined
the data offered during this publication displays the evolution of instant applied sciences, their effect at the occupation, and the industry's normally authorised top practices. equipped into seven major components of craftsmanship, A advisor to the instant Engineering physique of data (WEBOK) complements readers' realizing of:
- instant entry applied sciences
- community and repair structure
- community administration and safety
- Radio frequency engineering, propagation,and antennas
- amenities infrastructure
- Agreements, criteria, guidelines, and laws
- instant engineering basics
Complemented with loads of references and recommendations for additional examining, the WEBOK is an essential source for someone operating within the instant undefined.
Read Online or Download A Guide to the Wireless Engineering Body of Knowledge (WEBOK) PDF
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Additional resources for A Guide to the Wireless Engineering Body of Knowledge (WEBOK)
A has improved physical, MAC, and higher layer network efficiency and latency performance for multimedia services. 72 Mb/s/MHz/sector. 25-MHz bandwidth, and it can also support a wide range of multimedia services. 3 BroadcastMulticast Distribution over Cellular Broadcast/multicast services such as mobile TV are being increasingly introduced as multimedia content applications are enabled by evolving wireless systems. The distribution systems may be: Satellite (“S”) or terrestrial (“T”) Cellular network or overlay access These systems leverage sophisticated technologies for such functions as coding, modulation, error correction, media formatting and presentation, content protection and management, time-slicing, radionetworking, and data-casting.
HSUPA has a new uplink-dedicated transport channel called the enhanced dedicated channel (E-DCH). E-DCH is similar to DCH, with some improvements to support a shorter sub-frame and techniques such as hybrid HARQ and Node B scheduling. Because of the uplink configuration, HSUPA is more complex than HSDPA, and more signaling consuming. The HSUPA scheduler controls the radio resource less tightly than does the HSDPA scheduler. USIM and UICC It is possible to access a GSM network using a SIM card, as indicated earlier, and a UMTS network using a USIM card.
Major improvements over EV-DO Rev. 0 are increased data rates, improved reverse link, and a multiple-flow packet application to support delay-sensitive applications with more symmetric data-rate requirements, such as voice and video telephony. 38 A Guide to the Wireless Engineering Body of Knowledge EV-DO Rev. 457 Mb/s in Table 1-2 to 5 120 bits. 843 Mb/s. Higher data rates and better packing efficiency improve the fonvard- and reverselink spectral efficiency, and enable VoIP capability, among others.