DRMA with Multiple Slots Reservation and Retransmission Algorithm Using Exponential Backo Scheme
نویسندگان
چکیده
Dynamic reservation multiple access (DRMA) has been proposed to improve the spectrum e ciency of the integrated voice and data services. In that protocol, although the xed reservation overhead is avoidable, a data terminal that transmits a data message with multiple packets has to reserve a slot for each packet transmission. In this paper, to improve the data message delay without degrading the voice packet loss probability, we propose the DRMA with multiple slots reservation as the proposed-1 DRMA. We also propose the DRMA with multiple slots reservation and retransmission algorithm using exponential backo scheme as the proposed-2 DRMA to further improve the data message delay. By the performance evaluation using computer simulations, we show that the proposed schemes reduce the data message delay without degrading the voice packet loss probability comparing to the conventional DRMA.
منابع مشابه
Allocation and Scheduling Algorithms for Ieee 802.14 and Mcns in Hybrid Fiber Coaxial Networks
Allocation and Scheduling Algorithms for IEEE 802.14 and MCNS in Hybrid Fiber Coaxial Networks Ying-Dar Lin Chen-Yu Huang Wei-Ming Yin Abstract|IEEE 802.14 and MCNS are two standards developed for the Hybrid Fiber Coaxial (HFC) CATV networks. Both standards model an upstream channel as a stream of minislots. But their philosophies on resolving collisions in the shared upstream channel are rathe...
متن کاملEnergy E ciency Analysis of Link Layer Backo Schemes on Point-to-Point Markov Fading Links
Backo algorithms are traditionally employed in multiple access networks, like Ethernet, to recover from packet collisions. In this paper, we propose and carry out the analysis for three types of link layer backo schemes{linear, binary exponential, geometric{on point-to-point wireless fading links, where packet errors occur non-independently. In such a scenario, the backo schemes are shown to ac...
متن کاملQoS Criteria in IEEE 802.16 Collision Resolution Protocol
In this paper, we study the collision resolution protocol of the IEEE 802.16 standard for metropolitan broadband wireless access systems. The standard specifies the use of a random access scheme based on the slotted binary exponential backoff (BEB) algorithm during the bandwidth request phase. We analyze the distributed choice of the retransmission probabilities used by the BEB protocol. We fol...
متن کاملA Slot Reuse Scheme for CRMA Networks
In the cyclic reservation multiple access (CRMA) scheme, nodes reserve slots in each reserve command. Cycles are then generated in sequence, each of which services the reservations made in the corresponding reserve command. Huang et al. [2,3] proposed a reservation scheme, in which nodes are partitioned into regions and slots can be reused in succeeding regions, to reduce access delays due to l...
متن کاملAnalyzing Contention and Backo in Asynchronous Shared Memory
Randomized backo protocols have long been used to reduce contention on shared resources. ey are heavily used in communication channels and radio networks, and have also been shown to greatly improve the performance of shared memory algorithms in real systems. However, while backo protocols are well understood in many seings, their eect in shared memory has never been theoretically analyzed...
متن کامل