Table 2 Salient features of different CR MAC protocols
From: A survey on MAC protocols for complex self-organizing cognitive radio networks
| Â | 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 (BolÃvar 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 |