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Ali Al- Saihati ID# 200350130

King Fahd University of Petroleum & Minerals  Electrical Engineering Department EE 578 Simulation of Wireless Systems Cellular Telecommunications Systems Assignment # 7. Ali Al- Saihati ID# 200350130. Outline. Introduction. Concept of Cellular System and Channel Assignment Algorithm.

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Ali Al- Saihati ID# 200350130

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  1. King Fahd University of Petroleum & Minerals Electrical Engineering DepartmentEE 578 Simulation of Wireless SystemsCellular Telecommunications Systems Assignment # 7 Ali Al-Saihati ID# 200350130

  2. Outline • Introduction. • Concept of Cellular System and Channel Assignment Algorithm. • FCA System. • Cell Layout & Cell wrapping Technique. • Beamforming Technique. • Results.

  3. Introduction • Access schemes are used in cellular systems, • DCA algorithm is used in channel assignment. • Multiplexers are used for users.

  4. Concept of Cellular System and Channel Assignment Algorithm • Impact of distance in channels, • Carrier to interference plus noise is given by: • As d increases, Rcni increases. • Cell distribution: FCA (Fixed) & DCA (Dynamic).

  5. FCA System • Performance measures: • 1) Blocking probability: • 2) Forced termination probability:

  6. Simulation Flow Chart

  7. Cell Layout & Cell wrapping Technique

  8. Beamforming Technique • Optimize use of frequencies resources. • Cochannel interference is reduced because of the controllable antenna with different gains. • QoS is improved in MS & BS – Capacity increases. • TDMA, FDMA, CDMA & SDMA are used for control.

  9. Results

  10. Thank You

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