Channel Assignment and Handoffs in Cellular Networks  Cochannel interference Reuse distance signal to noise ratio    Desirable qualities of CA algorithms  Call Admission Control  Channel Assignment F
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Channel Assignment and Handoffs in Cellular Networks Cochannel interference Reuse distance signal to noise ratio Desirable qualities of CA algorithms Call Admission Control Channel Assignment F

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Channel Assignment and Handoffs in Cellular Networks Cochannel interference Reuse distance signal to noise ratio Desirable qualities of CA algorithms Call Admission Control Channel Assignment F




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Presentation on theme: "Channel Assignment and Handoffs in Cellular Networks Cochannel interference Reuse distance signal to noise ratio Desirable qualities of CA algorithms Call Admission Control Channel Assignment F"— Presentation transcript:


Page 1
Channel Assignment and Handoffs in Cellular Networks
Page 2
Co-channel interference: Reuse distance signal to noise ratio
Page 3

Page 4

Page 5
Desirable qualities of CA algorithms
Page 6
Call Admission Control
Page 7
Channel Assignment Fixed channel assignment (FCA): Dynamic channel assignment (DCA):
Page 8

Page 9
Channel Borrowing Basic mechanism:
Page 10
Channel Borrowing (cont.)
Page 11
Channel Borrowing Enhancements/Variations Borrowing with channel-ordering (BCO): Minimum

influence borrowing:
Page 12
Channel Borrowing Enhancements/Variations (cont.) Channel Reallocation: Borrowing with directiona l channel locking (BDCL):
Page 13
Channel Allocation/Assignment Depending on Bandwidth Dedication Mechanism
Page 14
Circuit Switching:
Page 15
Packet/Burst switching:
Page 16
Common Channel Packet Switching Hybrid schemes:
Page 17
Examples of Hybrid Schemes Dynamic TDMA/TDD mode In Packet Reservation Multiple Access (PRMA),
Page 18
Handoffs
Page 19

Page 20
Cell Dwell Time


Page 21
Prioritizing Handoffs Guard Channels:
Page 22
Prioritizing Handoffs Queuing Handoffs:
Page 23
Practical Issues (Capacity/Handoff)