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Table 2 Salient features of different CR MAC protocols

From: A survey on MAC protocols for complex self-organizing cognitive radio networks

  Infrastructure/architecture Access mechanism Direct access based Single/multi transceivers Number of control channels Signalling Quiet period
CREAM-MAC (Zhang and Su 2011) Decentralized IEEE802.11 DCF Contention based Single 1 Not addressed No
DOSS-MAC (Ma et al. 2005b) Decentralized CSMA/CA Contention based Not addressed none Out-of-band Not addressed
SYNC-MAC (Kondareddy and Agrawal 2008) Decentralized IEEE 802.11 DCF Coordination based 2 1 In-band No
OS-MAC (Hamdaoui and Shin 2008) Distributed CSMA/CA Coordination based Single 1 Out-of-band Not addressed
C-MAC (Cordeiro and Challapali 2007) Distributed Time slotted Coordination based Single 1 Out-of-band Yes
HC-MAC (Jia et al. 2008) Distributed IEEE 802.11 DCF Contention based Single 1 Out-of-band Yes
DUB-MAC (Adamis et al. 2007) Decentralized CSMA/CA Contention based Not addressed 1 Not addressed No
CO-MAC (Salameh et al. 2009) Distributed Not addressed Contention based Not addressed 1 Out-of-band No
OSA-MAC(Le and Hossain 2008) Decentralized IEEE 802.11 DCF Contention based Not addressed 1 Not addressed No
CogMesh (Chen et al. 2007) Distributed TDMA Coordination based Single 1 Out-of-band Yes
IEEE 802.22 (Stevenson et al. 2009) Centralized Random Coordination based Single none In-band Yes
DC-MAC (Chen et al. 2006) Decentralized Random Contention based Single 1 Not addressed No
DCCP-MAC (Bolívar et al. 2010) Centralized Not discussed Coordination based Not addressed none Out-of-band No
CL-MAC (Su and Zhang 2008b) Decentralized CSMA/CA Coordination based 2 1 Not addressed Yes
OP-MAC (Xue et al. 2010) Decentralized IEEE 802.11 DCF Contention based 1 1 Not addressed No
DCP-MAC (Kim and Yoo 2009) Decentralized CSMA/CA Coordination based Not addressed 1 Not addressed No
Sr.-MAC (Krishnamurthy et al. 2005) Decentralized IEEE 802.11a Coordination based 2 1 Not addressed No
Hu.-MAC (Song and Lin 2009b) Decentralized Not addressed Coordination based 2 1 Not addressed No
DH-MAC (Shih et al. 2010) Decentralized IEEE 802.11 DCF Contention based 1 1 Out-of band No
DDH-MAC (Shah et al. 2011a) Hybrid IEEE 802.11 Coordination 2 2 Out-of-band Yes
DCCC-MAC (Thilina et al. 2016) Centralized SVM Coordination based 1 1 (dynamic) In-band Yes
CCR-MAC (Cheng et al. 2016) Decentralized Not discussed Coordination Single 1 Not addressed No