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Table 3 Comparison of OW link topologies for indoor systems

From: A review of communication-oriented optical wireless systems

 

Link type

 

Point-to-point

Diffuse

Multispot diffusing

Link rate

High

Moderate

Moderate

Implementation complexity

Low

Low

High

Beam pointing

Required (exact)

Not-required

Required (partial)

Beam blocking

Yes

No

No

User mobility

Limited

High

High

Dispersion

None

High

Low

Path loss

Low

High

Moderate

Impact of ambient noise

Low

High

Low