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IEEE 802.11

Dynamic tuning of the IEEE 802 11 distributed coordination function to derive a theoretical throughput limit

Dynamic tuning of the IEEE 802 11 distributed coordination function to derive a theoretical throughput limit

... Advances in wireless communication technology have increased the demand for wireless networks. The IEEE 802.11 standard [1] defines the specifications for medium access control (MAC) and the physical layers in a ...

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Dynamic Adaption of DCF and PCF Mode of IEEE 802 11 WLAN

Dynamic Adaption of DCF and PCF Mode of IEEE 802 11 WLAN

... © 2019, IRJET | Impact Factor value: 7.211 | ISO 9001:2008 Certified Journal | Page 2728 IEEE 802.11 provides another more organized way to grant channel access called PCF. But better management always poses some ...

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Modifications in IEEE 802  11 to Prevent Collisions due to Interference in MANETs

Modifications in IEEE 802 11 to Prevent Collisions due to Interference in MANETs

... Collisions due to interference signal are frequent in multi-hop wireless networks. Interference signal can be reduced below a threshold level if all parallel transmitter-receiver pairs maintain a minimum of ...

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Proposing of Collisions Free and Secure Network for IEEE 802  11 WLAN

Proposing of Collisions Free and Secure Network for IEEE 802 11 WLAN

... Security issues and higher throughput with least delay are the main concern for IEEE 802.11 WLAN Network. Old legacy MAC protocol IEEE 802.3 is surely secure and provides collision free environment with ...

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Rate adaptation in IEEE 802 11 WLAN based on neural network

Rate adaptation in IEEE 802 11 WLAN based on neural network

... Despite the advantages, SNR based rate adaptations have not been applied in practice so far. This is mainly because of three reasons. First, the RTS/CTS channel access procedure is required even if no hidden terminals ...

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Improving the IEEE 802 11 power saving mechanism in the presence of hidden terminals

Improving the IEEE 802 11 power saving mechanism in the presence of hidden terminals

... Due to its low cost and popularity, the IEEE 802.11 WLAN (wireless local area network) is considered as one of the most promising wireless technologies for IoT (Internet of Things). 802.11 WLAN also provides a PSM ...

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Reducing the MAC Latency for IEEE 802 11 Vehicular Internet Access

Reducing the MAC Latency for IEEE 802 11 Vehicular Internet Access

... Thus, we use 15 octets for the frame size. Also, assuming we use IEEE 802.11 b, we use 11 channels with a data rate of 11 Mbps. With current development, the channel switching delay can be reduced to ...

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A Performance Evaluation for Rate Adaptation Algorithms in IEEE 802  11 Wireless Networks

A Performance Evaluation for Rate Adaptation Algorithms in IEEE 802 11 Wireless Networks

... Open-Loop based Approaches: (i) AARF; (ii) Minstrel, and (iii) Onoe, and from Closed-Loop (iv) Cara, (v) RRAA and (vi) Ideal (it is Closed-Loop approach and similar to RBAR). Algorithms chosen based in compatibility with ...

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Security Approaches in IEEE 802 11 MANET—Performance Evaluation of USM and RAS

Security Approaches in IEEE 802 11 MANET—Performance Evaluation of USM and RAS

... cific security mechanism on randomly selected nodes on the network. The proposed method is combination of two mechanisms implemented on Data Link Layer of the mobile nodes. Mechanisms implemented on Data link layer are ...

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Adaptive Distributed Inter Frame Space  for IEEE 802 11 MAC Protocol

Adaptive Distributed Inter Frame Space for IEEE 802 11 MAC Protocol

... Other studies such as [4] [7] [8] [12] [21] were proposed to provide service differentiation based on the dis- tributed function of the standard. These schemes were based on modifying the back-off time of the IEEE ...

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Analysis for Saturation Throughput Using Various Mechanisms for IEEE 802 11 WLAN'S

Analysis for Saturation Throughput Using Various Mechanisms for IEEE 802 11 WLAN'S

... The throughput analysis is carried out using fragmentation for IEEE 802.11 networks. In this analysis constant contention window is used. In case of errors, only the corrupted fragments are retransmitted instead ...

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An IEEE 802 11 EDCA Model with Support for Analysing Networks with Misbehaving Nodes

An IEEE 802 11 EDCA Model with Support for Analysing Networks with Misbehaving Nodes

... Copyright © 2010 Szymon Szott et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the ...

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Performance enhancement of IEEE 802 11 DCF using novel backoff algorithm

Performance enhancement of IEEE 802 11 DCF using novel backoff algorithm

... Advances in wireless communication technology have increased the demand for wireless networks. The IEEE 802.11 standard defines the specifications for medium access control (MAC) and the physical layers in a wire- ...

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A New Load Balancing Procedure in IEEE 802 11 WLANs

A New Load Balancing Procedure in IEEE 802 11 WLANs

... In existing classical infrastructure network architecture [1], each STA must associate with an AP within a specific basic service set (BSS). Accordingly, STA must find the AP to communicate with others in an ...

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Mobility management in IEEE 802 11 WLAN using SDN/NFV technologies

Mobility management in IEEE 802 11 WLAN using SDN/NFV technologies

... Recently, the OpenFlow protocol has been considered in the wireless access network to provide the fine-grained packet control, and SDN makes the separation of under- lying physical infrastructure and the network services ...

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IEEE 802 11 Wireless LANs: Performance Analysis and Protocol Refinement

IEEE 802 11 Wireless LANs: Performance Analysis and Protocol Refinement

... In this paper, we have focused on the performance enhance- ment of the IEEE 802.11 MAC protocol using several perfor- mance metrics such as the average packet delay, the packet drop probability, the average time ...

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Design and Deployment of MQTT Based HeTNeT Using IEEE 802 15 4 and IEEE 802 11 for Internet of Things

Design and Deployment of MQTT Based HeTNeT Using IEEE 802 15 4 and IEEE 802 11 for Internet of Things

... Abstract: In the era of Internet of Things (IoT),a heterogeneous wireless networks (HetNet) is a viable approach for optimal use of design advantage of both IEEE 802.15.4 and IEEE 802.11 networks. The ...

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Channel Resource Allocation for VoIP Applications in Collaborative IEEE 802 11/802 16 Networks

Channel Resource Allocation for VoIP Applications in Collaborative IEEE 802 11/802 16 Networks

... In the literature, only a few spectrum sharing methods have been proposed for these two types of networks sharing the unlicensed bands (see [14–16], e.g.). In [14], Berlemann et al. proposed to partially block 802.11 ...

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Performance analysis of Ethernet based on IEEE 802 11

Performance analysis of Ethernet based on IEEE 802 11

... On a similar note, though conventional wisdom states that this question is continuously overcame by the improvement of gigabit switches, we believe that a different solution is necessary[r] ...

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Optimal delay analysis for real time traffics over IEEE 802 11 wireless LANs

Optimal delay analysis for real time traffics over IEEE 802 11 wireless LANs

... performance of DCF in binary symmetric channels (BSCs), concurrently considering factors such as the bin- ary exponential backoff mechanism, the incoming traffic loads, and the distribution of incoming packet sizes. The ...

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