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I have implemented TDMA using a network of wireless nodes in OMNet++. I tried to change the channel Number in the .ini file.

**.radio.typename = "Ieee80211UnitDiskRadio" *.node[0].wlan.radio.channelNumber=1 *.node[2].wlan.radio.channelNumber=6

I used Ieee80211UnitDiskRadio as the radio module. Even though the nodes are in separate independent Ieee80211 channels (1,6 channels: do not overlap), when a packet is transmitted from node[0] it is received by node[2]. Why does it happen? How to fix it? I came across CrossTalk Between Adjacent IEEE 802.11 Channels. Can't UnitDisk analog model be used to simulate this?

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UnitDiskRadio/Ieee80211UnitDiskRadio radio models can't be used for this. The unit disk analog model is suitable for wireless simulations in which the detail of the physical layer is not important. You need either Scalar / Dimensional analog models to make changes with physical medium.

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