In our previous work, we implemented WMN-GA system which is based on Genetic Algorithms (GAs) and used it for node placement problem in WMNs. In this paper, we evaluate the performance of Weibull distribution of mesh clients for two WMN architectures considering PDR, throughput, delay, fairness index and energy metrics. For simulations, we used ns-3, Hybrid Wireless Mesh Protocol (HWMP) and TCP...

price fairness and price satisfaction is one the most important fields in pricing and also in customer satisfaction. in this research, first the dimensions of price fairness, price satisfaction, customer satisfaction, and customer loyalty are extracted from marketing literature, then five hypotheses are developed. in proposed model, price fairness has direct impact on price satisfaction, custom...

The performance of DCF, the basic MAC scheme in IEEE 802.11, degrades under larger network sizes, and higher loads due to higher contention and so more idle slots and higher collision rates. We propose a new high-performance DCF (HDCF) protocol that achieves a higher and more stable performance while providing fair access among all users. In HDCF, the transmitting stations randomly select the n...

Optical Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) is a Media Access Control (MAC) protocol proposed for future metro Wavelength Division Multiplexing (WDM) ring networks with a fixed receiver and a tunable transmitter at access nodes [1], [2]. In this paper, we focus on the unslotted version of the optical CSMA/CA MAC which is a fullydistributed and asynchronous protocol....

An efficient channel allocation algorithm is proposed for the Partial Block MCCDMA system. Partial channel state information is used for determining the signal-to-noise ratio of all frequency-block-bands. The prior is done to maximize the frequency-block-band allocated to each block user. The proposed system improves the fairness among users and allocates frequency-block-bands with better chann...

This paper addresses the problem of fair scheduling of MIMO links in dense wireless network deployments where MIMO interference cancellation is carried out to optimize network performance. We formulate and solve an optimal MIMO link scheduling problem, where the goal is to maximize aggregate throughput while meeting a specified fairness criterion. Evaluations in a modified version of ns-3 show ...

Existing backoff scheme’s optimization of IEEE 802.11 DCF MAC protocol consider only saturated networks or asymptotic conditions. In real situations, traffic is bursty or streamed at low rates so that stations do not operate usually in saturated regime. In this work, we propose and analyze a backoff enhancement for IEEE802.11 DCF that requires information only about the network size and that is...

In multihop wireless ad hoc networks, it is important to maintain the outcome fairness of throughput and to maximize the throughput. In this paper, we propose a novel opportunistic scheduling framework by considering outcome fairness and throughput simultaneously. Since the data rate fluctuates intensively due to channel errors, we first devise a data rate estimation method with an adaptive sli...

Poor indoor coverage and high cost of cellular network operators are among the main motivations for the employment of femtocell networks. Since femto access points (FAPs) and macrocells share same spectrum resources, radio resource allocation is an important challenge inOFDMAfemtocell networks.Mitigating interference and improving fairness among FAPs are the main objectives in previous resource...