Cellular Capacity Optimization Techniques Flashcards (16 cards)

All cards

1Question

Cell splitting — purpose?

Answer

Increase capacity by subdividing cells.

2Question

Cell splitting — power adjustment?

Answer

Reduce transmit power to maintain SIR.

3Question

Cell splitting — effect on number of cells?

Answer

Quadruples when halving cell radius.

4Question

Sectoring — purpose?

Answer

Reduce interference using directional antennas.

5Question

Sectoring — sectors per cell?

Answer

Typically 3 (120°) or 6 (60°).

6Question

Channel partitioning — within sectors?

Answer

Channels are allocated to specific sectors.

7Question

Sectoring — interference impact?

Answer

Significantly reduces co-channel interference.

8Question

Coverage zone approach — key feature?

Answer

Zones linked via high-speed links, localized base station radiation.

9Question

Microzone — main benefit?

Answer

Reduces interference, localizes radiation, increases capacity.

10Question

Microcell — typical radius?

Answer

Approximately half of original cell radius.

11Question

Microcell — power use?

Answer

Lower transmit power than larger cells.

12Question

Antenna down tilting — purpose?

Answer

Limit coverage area and interference.

13Question

Interference reduction — method?

Answer

Sectoring and localization confine signals, reduce overlap.

14Question

Handoff management — intra-cell?

Answer

Handled locally via sectoring or micro zones.

15Question

Micro zone — channel retention?

Answer

Mobiles retain same channel across zones.

16Question

Channel reuse — core idea?

Answer

Reuse same frequencies in separated cells to increase capacity.

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Answer 8 questions on Cellular Capacity Optimization Techniques.

1. What is cell splitting in cellular systems?

2. Who is the author associated with the detailed explanation of cell splitting in the provided content?

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