A Guide to the Wireless Engineering Body of Knowledge by Andrzej Jajszczyk

By Andrzej Jajszczyk

The final reference on instant technology?now up-to-date and revised

Fully up to date to include the newest advancements and criteria within the box, A advisor to the instant Engineering physique of data, moment Edition offers pros with a one-stop connection with every little thing they should layout, enforce, function, safe, and troubleshoot instant networks.

Written by means of a gaggle of foreign specialists, the e-book bargains an unrivaled breadth of insurance and a distinct specialise in real-world engineering concerns. The authors draw upon large adventure in all components of the expertise to discover issues with confirmed sensible purposes, highlighting rising parts resembling long-term Evolution (LTE) in instant networks. the recent variation is carefully revised for readability, reports instant engineering basics, and lines various references for extra examine.

Based at the parts of workmanship lined within the IEEE instant conversation Engineering applied sciences (WCET) examination, this booklet explains:

  • Wireless entry applied sciences, together with the most recent in cellular mobile technology
  • Core community and repair structure, together with very important protocols and solutions
  • Network administration and defense, from operations method types to key safeguard issues
  • Radio engineering and antennas, with specifics on radio frequency propagation and instant hyperlink design
  • Facilities infrastructure, from lightning security to surveillance systems

With this relied on reference at their aspect, instant practitioners gets up to the mark on advances and top practices within the box and procure the typical technical language and instruments wanted for operating in numerous components of the world.Content:
Chapter 1 instant entry applied sciences (pages 1–74):
Chapter 2 community and repair structure (pages 75–134):
Chapter three community administration and protection (pages 135–172):
Chapter four Radio Engineering and Antennas (pages 173–217):
Chapter five amenities Infrastructure (pages 219–245):
Chapter 6 Agreements, criteria, guidelines, and rules (pages 247–264):
Chapter 7 basic wisdom (pages 265–282):

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Additional resources for A Guide to the Wireless Engineering Body of Knowledge (WEBOK), Second Edition

Example text

The signaling exchanges between these entities are specified in the Mobile Application Part (MAP), which is the protocol used to provide roaming. Core network technologies and architectures are covered in detail in Chapter 2. SIM features in GSM The GSM mobile station (user terminal) has two distinct elements: the mobile equipment which is able to connect with the network, and a chip card (namely the Subscriber Identity Module, SIM) which contains all subscriber-related data. There is a standardized interface between these two elements.

An example is shown in Figure 1-18. 7 Hand-off (inter-technology & intra-technology) Hand-off (or handover) is one of the key features that enables a wireless network to support mobility. Hand-off is the ability to maintain communication between the MS and the network as the MS travels from the coverage area of one cell tower to another. As mentioned earlier, the two primary states of a MS are idle and connected mode and hand-offs are necessary for both. In idle mode, the MS is monitoring the network for changes in network information or page messages for incoming calls.

As these resources can be on the forward or reverse links, both are looked at separately and a call is only admitted if it passes both forward and reverse link admission control. Resources that can be part of admission control include: • noise rise (reverse link systems); • base transceiver station (BTS) power (forward link CDMA systems); • codes (for CDMA systems); • available frequencies or timeslots (FDMA or TDMA systems); and • call processing resources. For example, for the reverse link noise rise criteria, new calls from a mobile would not be admitted by the admission control algorithm if the resulting interference is predicted to be higher than a pre-defined threshold value.

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