IEEE 802.11 WLAN
Performance Evaluation of Flows with Diverse Traffic and Transmission Rates in IEEE 802 11 WLAN
... 802.11 WLAN cannot guarantee the QoS of applications, thus admission control has been proposed as an essen- tial solution to enhance the ...of IEEE 802.11 WLAN in nonsaturated conditions, taking into ...
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Rate adaptation in IEEE 802 11 WLAN based on neural network
... Most IEEE 802.11 WLAN devices use the DCF for shared wireless channel access. In the DCF, when multiple frames are transmitted simultaneously by different stations, a collision occurs, which destroys most ...
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Dynamic Adaption of DCF and PCF Mode of IEEE 802 11 WLAN
... In this work we have focused on three problem areas that lead to performance degradation in IEEE 802.11 WLAN. One major problem with PCF that gets highlighted when small fractions of associated and pollable ...
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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 ...
5
Analysis for Saturation Throughput Using Various Mechanisms for IEEE 802 11 WLAN'S
... Abstract---The IEEE has standardized the 802.11 protocol for Wireless Local Area Networks. The primary medium access control (MAC) technique of 802.11 is called distributed coordination function (DCF). DCF is a ...
9
Modified Isochronous Coordination Function for Enhancement of VoIP Call Capacity over IEEE 802 11 WLAN
... over IEEE 802.11 wireless local area network (WLAN) is growing very fast and is providing a cost effective alternative for voice ...over WLAN does not utilize the available bandwidth (BW) efficiently, ...
8
Mobility management in IEEE 802 11 WLAN using SDN/NFV technologies
... the WLAN only relies on signal strength for handoff which is not sufficient enough for fair selection of an access point (AP) and therefore causes imperfect performance of the ...
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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 ...
12
Improving the IEEE 802 11 power saving mechanism in the presence of hidden terminals
... the IEEE 802.11 WLAN (wireless local area network) is considered as one of the most promising wireless technologies for IoT (Internet of ...802.11 WLAN also provides a PSM (power saving mechanism), ...
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Channel Resource Allocation for VoIP Applications in Collaborative IEEE 802 11/802 16 Networks
... − 11 GHz, which led to the IEEE ...and IEEE 802.11 WLAN capabilities have been increasingly integrated into devices and ...− 11 GHz where the spectrum overlaps with that of the existing ...
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Throughput analysis for coexisting IEEE 802 15 4 and 802 11 networks under unsaturated traffic
... 802.11 WLAN operate in different time scales and they employ distinct backoff and CCA ...802.11 WLAN MAC in [16]), development of comprehen- sive mathematical models for performance analysis of the ...
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Reducing the MAC Latency for IEEE 802 11 Vehicular Internet Access
... Much research has been conducted and concluded that intermittently connected WLAN networks are capable of providing a variety of applications, especially those that can tolerate intermittent connectivity. However, ...
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A New Load Balancing Procedure in IEEE 802 11 WLANs
... There is no standardization for load balancing in IEEE 802.11 architecture. In the existing architecture, the received signal strength (RSS) is usually used to select an AP [1]. This procedure assumes that the ...
8
Security Approaches in IEEE 802 11 MANET—Performance Evaluation of USM and RAS
... received by the wireless LAN MACs of all WLAN nodes in the network and forwarded to the higher layer. As it is indicated on Figure 5, USM mechanism contains high rate of delay according to the proposed method. ...
9
Reducing the Handoff Latency in 802 11 IEEE WLAN by Reducing the Channel Scanning Time
... Abstract. IEEE 802.11 based wireless local area network (WLAN) has been in great growth and multimedia applications such as VoIP which requires high bandwidth, low latency and low packet loss are in great ...
5
An IEEE 802 11 EDCA Model with Support for Analysing Networks with Misbehaving Nodes
... window parameters. First, we test the model in a simple scenario. We assume that there are five nodes in the network. All of them are sending traffic of the BK AC. However, one of the nodes (the bad node) cheats by setting ...
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Chap5 IEEE 802 pdf
... Read from UDP socket into message, getting client’s address (client IP and port). send upper case string back to this client.[r] ...
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Chap5 IEEE 802 pdf
... ack1 X loss pkt1 timeout resend pkt1 rcv pkt1 send ack1 (detect duplicate) pkt1 sender receiver rcv pkt1 send ack0 rcv ack0 send pkt1 send pkt0 rcv pkt0 pkt0 ack0. (d) premature timeout/[r] ...
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Chap5 IEEE 802 pdf
... If the composite signal is periodic, the decomposition gives a series of signals with discrete frequencies; if the composite signal is nonperiodic, the decomposition gives a combination [r] ...
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