A Comparative Survey of Adaptive Codec Solutions for VoIP over Multirate WLANs: A Capacity versus Quality Performance Trade-Off

EURASIP Journal on Wireless Communications and Networking

Table 1 Comparison of codec-based solutions to multirate anomaly.

	Decision policy
Usage scenario	Non adaptive	Single adaptive	Multi adaptive
On new calls	—	—	Chen et al. [9]
			Tüysüz and Mantar [20]
On rate changes/on congestion	McGovern et al. [10]	McGovern et al. [8]	Sfairopoulou et al. [11]
			Tebbani and Haddadou [19]
On new calls + rate changes	Garg and Kappes [15]	—	Sfairopoulou et al. [21]