Table 4 Impact of key factors on message overhead for each scheme.

Scheme	Sensing load	Redundant transmissions	Broadcast frequency	Control overhead	Queue congestion	Adaptive response	Energy control	Collision avoidance
CACS⁴⁴	✓	✓	✓	✗	✗	✓	✓	✗
NPUSCH⁴⁵	✗	✓	✗	✓	✗	✓	✓	✓
ICA-IoT⁴⁶	✓	✓	✗	✓	✓	✗	✓	✗
APS-IoT⁴⁷	✗	✗	✓	✓	✓	✓	✗	✓
PCDE⁴⁹	✗	✓	✓	✓	✗	✗	✓	✓
ASUM⁵⁰	✗	✓	✗	✓	✓	✗	✓	✓
DMRS⁴⁸	✗	✓	✓	✓	✓	✗	✓	✗

Quick links

Search