**5.4. Multi-rate capability**

To the best of our knowledge, there is no partially overlapping channel assignment algorithm that has been proposed to explore the multi-rate capability of IEEE 802.11 based hardware in MRMC-WMNs. Almost all the aforementioned works have assumed a fixed transmission rate (homogeneous links) which make the problem of channel assignment simple, whereas a POCA scheme with adaptive rates could potentially achieve significantly better performance.

Partially Overlapping Channel Assignments in Wireless Mesh Networks 129

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**Table 8.** Summary of characteristics of all POCA approaches in wireless mesh networks.
