Yayınlanmış 1 Ocak 2022
| Sürüm v1
Dergi makalesi
Açık
A Markovian Analysis of Cooperative ARQ with Random Access
Oluşturanlar
- 1. TUBITAK Space Technol Res Inst, ODTU Kampusu, TR-06800 Ankara, Turkey
- 2. Hacettepe Univ, Dept Elect & Elect Engn, TR-06800 Ankara, Turkey
Açıklama
Cooperative ARQ networks enhance network throughput utilizing cooperative diversity at the data link layer where relays help communicating nodes during ARQ retransmissions. When network operates in ad hoc sense, the channel accesses are not coordinated and retransmissions occur randomly. In this case, cooperation of the relays may cause collisions at the retransmission phase and network throughput may be degraded. From this point of view, a cooperative diversity-multiple access trade-off problem rises. In this paper, an analytical framework is proposed for the solution to this problem, and the performance of cooperative ARQ is compared with traditional ARQ with no cooperation in terms of network performance parameters such as average throughput, average delay and packet loss under realistic channel settings.
Dosyalar
bib-c58ab5ef-1d6d-4603-8f67-d040617e9f74.txt
Dosyalar
(143 Bytes)
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