On Flow Control and Optimized Back-Off in Non-Saturated CSMA

被引：0

作者：

Baiocchi, Andrea ^{[1
]}

Turcanu, Ion ^{[2
]}

机构：

[1] Univ Rome Sapienza, Dept Informat Engn Elect & Telecommun DIET, I-00185 Rome, Italy

[2] Luxembourg Inst Sci & Technol LIST, L-4362 Esch Sur Alzette, Luxembourg

来源：

IEEE-ACM TRANSACTIONS ON NETWORKING | 2023年 / 31卷 / 05期

关键词：

Multiaccess communication; Throughput; Media Access Protocol; Load modeling; Data integrity; Analytical models; Adaptation models; MAC protocol design; CSMA; non-saturated traffic; throughput optimality; flow control; stability; SENSE MULTIPLE-ACCESS; RADIO CHANNELS; IEEE-802.11; DCF; PERFORMANCE ANALYSIS; LOW-DELAY; THROUGHPUT; PROTOCOL; MODEL;

D O I：

10.1109/TNET.2023.3239410

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Medium Access Control (MAC) main functions encompass contention for channel access, packet scheduling, error control, and data integrity. Channel contention is a collective function involving all stations in the network, while data integrity pertains to data flows of each individual station. We propose a design where contention related functions are separated from other data management functions. The hinge connecting contention and other data management functions is a flow control algorithm, aiming at guaranteeing stability of contention queues and load on the MAC channel. With reference to Carrier-Sense Multiple Access (CSMA), we define an analytical model of contention queues under non saturated traffic. An asymptotic analysis of the model for large number of stations yields a closed form of the optimal flow control rate. The insight gained from the model is used to design an adaptive flow control algorithm that guarantees throughput optimality for all values of the number of stations.

引用

页码：2191 / 2206

页数：16

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