Introduction: A basic cellular system, performance criteria, operation of cellular systems, planning
a cellular system, analog & digital cellular systems. Examples of Wireless Communication
Systems: Paging Systems, Cordless Telephone Systems, Cellular Telephone Systems. Blue tooth
and Zig Bee.
Elements of Cellular Radio Systems Design: General description of the problem, concept of
frequency reuse channels, co-channel interference reduction factor, desired C/I from a normal case
in an omni directional antenna system, cell splitting, consideration of the components of cellular
systems.
Digital Communication through fading multipath channels: Fading channel and their
characteristics- Channel modeling, Digital signaling over a frequency non selective slowly fading
channel. Concept of diversity branches and signal paths. Combining methods: Selective diversity
combining, Switched combining, maximal ratio combining, Equal gain combining.
Multiple Access Techniques for Wireless Communications: Introduction, Frequency Division
Multiple Access (FDMA), Time Division Multiple Access (TDMA), Spread Spectrum Multiple
Access, Space Division Multiple Access, Packet Radio Protocols; Pure ALOHA, Slotted ALLOHA.
Wireless Systems & Standards: AMPS and ETACS, United states digital cellular (IS- 54 & IS 136),
Global system for Mobile (GSM): Services, Features, System Architecture, and Channel Types,
Frame Structure for GSM, Speech Processing in GSM, GPRS/EDGE specifications and features. 3G
systems: UMTS & CDMA 2000 standards and specifications. CDMA Digital standard (IS 95):
Frequency and Channel specifications, Forward CDMA Channel, Reverse CDMA Channel, Wireless
Cable Television.
Future trends: 4G mobile techniques, LTE-Advance systems