Enhanced frameless slotted ALOHA protocol with Markov chains analysis

Performance Analysis of RFID Framed Slotted Aloha Anti-Collision Protocol

In this paper, we develop a novel mathematical model to estimate the probability distribution function of the number of tags discovered after a certain number of interrogation rounds. In addition, the pdfs of the number of rounds needed to discover all the tags are also calculated. The estimation of such pdfs will be helpful in estimating the number of interrogation rounds and the optimal param...

Finite-Length Analysis of Frameless ALOHA

In this paper we present an exact finite-length analysis of frameless ALOHA that is obtained through a dynamical programming approach. Monte Carlo simulations are performed in order to verify the analysis. Two examples are provided that illustrate how the analysis can be used to optimize the parameters of frameless ALOHA. To the best of the knowledge of the authors, this is the first contributi...

Analytical Markov Model for IEEE 802.15.6 Slotted Aloha MAC

In this paper, we investigate and analyze the performance of IEEE Std 802.15.6 under beacon mode with superframes and slotted Aloha for random access at the medium access control (MAC) layer under non-saturation condition. For this end, we developed a discrete time Markov chain (DTMC) based analytical framework for the newly emerged protocol in terms of throughput, probability of collision and ...

The stability region of the finite-user slotted ALOHA protocol

Performance analysis of a slotted-ALOHA protocol on a capture channel with fading

We consider the slotted ALOHA protocol on a channel with a capture effect. There are M < ∞ users each with an infinite buffer. If in a slot, i packets are transmitted, then the probability of a successful reception of a packet is qi. This model contains the CDMA protocols as special cases. We obtain sufficient rate conditions, which are close to necessary for stability of the system, when the a...