Combined coding and delay-throughput analysis for fading channels of mobile satellite communicationsThis paper presents the analysis of using the punctured convolutional code with Viterbi decoding to improve communications reliability. The punctured code rate is optimized so that the average delay is minimized. The coding gain in terms of the message delay is also defined. Since using punctured convolutional code with interleaving is still inadequate to combat the severe fading for short packets, the use of multiple copies of assignment and acknowledgment packets is suggested. The performance on the average end-to-end delay of this protocol is analyzed. It is shown that a replication of three copies for both assignment packets and acknowledgment packets is optimum for the cases considered.
Document ID
19870043508
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Wang, C. C. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Yan, Tsun-Yee (California Institute of Technology Jet Propulsion Laboratory, Pasadena, United States)