Abstract
Multimedia IoT has become a new megatrend foreseen to impact many application areas. Random access is the major bottleneck for achieving the goal of being real-time. In this paper, we propose chained packet based multichannel architecture for random access, where the selection of a time slot/channel pair is based on Finite Projective Plane and random numbers and the packets of transmitting nodes are formed as a chain through logical XOR operations with adjacent packets. To retrieve packets in collision time slots, the packets involved in a collision time slot are extracted one by one using the neighboring singleton packet. Retrieving collision time slots not only increases the throughput but also improves the quality of service. However, the collision time slots that form a closed loop in the chained packet transmission cannot be resolved. We analyze the throughput of the chained packet approach in comparison to the plain packet approach and perform simulation runs for verification. The chained packet transmission is well suited for moderate to heavy load and the number of channels is rather limited. The results of analysis and simulation runs show that the improvement in throughput is up to 50% using chained packet transmission.
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The datasets generated or analyzed during the current study are available from the author by email. The entire manuscript belongs to the category of theoretical research, all data, i.e., figures or tables were generated from the derived mathematical formulations (equations listed in order). Simulation results along with MATLAB codes are available by email request. All data and materials generated or analyzed during the current study are available from the author by email.
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Woo, TK., Fu, CH. Chained Packets for Multimedia Random Access in Next Generation Internet of Things. Wireless Pers Commun 132, 409–432 (2023). https://doi.org/10.1007/s11277-023-10616-9
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DOI: https://doi.org/10.1007/s11277-023-10616-9