Table 5.
Comparative analysis of distributed MAC protocols.
| Ref. | Protocol Name | Spatial Reuse | Anti-Blockage | Targeted Wavelength | Key Idea | Limitations |
|---|---|---|---|---|---|---|
| [69] | MD-MAC | Not supported | Not specified | 60 GHz | Using MDP guided predictability to address deafness problem | Poor performance when interferences are present |
| [70] | ALD-MAC | Not specified | Not specified | Not specified |
Using ML algorithms for neighbor discovery | Computation hungry ML algorithms has limited performance over wireless nodes |
| [71] | DtD-MAC | Suppor- ted |
Not specified | 60 GHz | Overcoming asymmetry-in-gain problem | No arrangement for channel state characteristics |
| [30,56,57] | ALOHA | Not specified | Not specified | 60 GHz | Making a transmission protocol into a basic and simple form | Completely discards the collision avoidance |
| [61,62,64] | TDD, TDMA |
Not specified | Not specified | 60 GHz, 73 GHz |
Using a single channel to execute the networking | Only a limited number of users can be assigned to a single channel |
| [52] | HetSNet | Suppor- ted |
Not specified | 2 GHz, 28 GHz |
Deployment of multi-hop routing | Requires large environment space for implementation, no efficient practical deployment data is available |
| [67] | PCDS | Suppor- ted |
Not specified | 60 GHz | Near optimal delay and throughput | Only prioritizes popular content over important and rare contents |