AP Deployment Research Based on Physical Distance and Channel Isolation

Table 1

Main parameters of numerical analysis.

Network topology size	1 km × 1 km
Transmit power of primary user’s station 𝑃pt	43 dBm
Received power of primary user’s receiver 𝑃pr	−60 dBm
Antenna gain of primary user’s station 𝐺pt	15 dBi
Antenna gain of primary user’s receiver 𝐺pr	0 dBi
Path loss parameter 𝛼 of cognitive network	4
Interference noise power 𝛿	0.01 mw
The reserved average transmit rate of primary user 𝐶0	4 Mbps
Signal bandwidth 𝐵	5 MHz
The total channel of primary user	11
Channel attenuation 𝐿0 at 1 m	1
Available channel in authorized frequency band	15
Available probability of each channel in authorized frequency band	0.5
Communication radius 𝑟1	100 m
Interference radius 𝑟2	200 m