Filters








184 Hits in 3.1 sec

Review on QoS Provisioning Approaches for Supporting Video Traffic in IEEE802.11e: Challenges and Issues

Mohammed A. Al-Maqri, Mohamed A. Alrshah, Mohamed Othman
2018 IEEE Access  
In this article, we highlight and discuss the QoS challenges in IEEE802.11e.  ...  Then, we classify the existing QoS approaches in IEEE802.11e and we also discuss the selection of recent promising and interesting enhancements of HCCA.  ...  His main research interests are in the fields of high-speed network, parallel and distributed algorithms, software defined networking, network design and management, wireless network (MPDUand MSDU-Frame  ... 
doi:10.1109/access.2018.2872770 fatcat:kobslr5zbza3xmr4rzzhc6gvji

Video Transmission over an Enhancement Approach Of IEEE802.11e

Abdirisaq M. Jama, Othman O. khalifa, Diaa Eldein Mustafa Ahmed
2015 International Journal of Computer Applications Technology and Research  
Achieving effective bandwidth aggregation in wireless environments raises several challenges related to deployment, link heterogeneity, Network congestion, network fluctuation, and energy consumption.  ...  In this work, an overview of schemes for video transmission over wireless networks is presented where an acceptable quality of service (QoS) for video applications required realtime video transmission  ...  When downloading larger files, HTTP streaming can present problems for viewer connecting to the network without a high speed connection.  ... 
doi:10.7753/ijcatr0405.1003 fatcat:5toavk6tjvdireyrmqdhk36l4e

Recent Advances in Wireless Communication Protocols for Internet of Things

Jiangchuan Liu, Feng Wang, Xiaoqiang Ma, Zhe Yang
2017 Wireless Communications and Mobile Computing  
Acknowledgments We would like to thank all the reviewers who have participated in reviewing the articles submitted to this special issue. Jiangchuan Liu Feng Wang Xiaoqiang Ma Zhe Yang  ...  multihop industrial application, which can support high-speed applications and provide deterministic network performance via combining the advantages of high-speed IEEE802.11 physical layer and a software  ...  The paper "Det-WiFi: A Multihop TDMA MAC Implementation for Industrial Deterministic Applications Based on Commodity 802.11 Hardware" proposes Det-WiFi, a realtime TDMA MAC implementation for high-speed  ... 
doi:10.1155/2017/8791485 fatcat:slfvwashqjep7blfkfpkkc7mse

Mac for dedicated short range communications in intelligent transport system

Jing Zhu, S. Roy
2003 IEEE Communications Magazine  
TOPICS IN WIRELESS COMMUNICATIONS DSRC APPLICATIONS Gigahertz DSRC is a short-to-medium-range communications service that supports both public safety and private operations in v2r and v2v environments.  ...  the relative speed between vehicles is relatively low despite high absolute speed.  ...  fairness, and the number of terminals contending for the wireless medium to maximize aggregate throughput.  ... 
doi:10.1109/mcom.2003.1252800 fatcat:hh56hb5trjf4nipbqubascbaxq

324Mbps WLAN Equipment with MAC Frame Aggregation for High MAC-SAP Throughput

Yukimasa Nagai, Akinori Fujimura, Yoshihiko Shirokura, Yoji Isota, Fumio Ishizu, Hiroyuki Nakase, Suguru Kameda, Hiroshi Oguma, Kazuo Tsubouchi
2006 Journal of Communications  
We developed a high speed wireless LAN prototype in the 5GHz band. Maximum transmission rate of the developed WLAN equipment was 324Mbit/sec using 6 multi-channels of 802.11a.  ...  The proposed frame aggregation scheme had a feature of an adaptive aggregation size selection depending on the wireless channel conditions and application requirements.  ...  HIGH SPEED WIRELESS LAN PROTOTYPE We developed high speed WLAN equipment using 5GHz frequency band as shown in Figure 9 [7 -13] . The maximum transmission rate of the prototype is 324Mbit/sec.  ... 
doi:10.4304/jcm.1.5.1-8 fatcat:i3lto24gybggjmkrj6iuhxyy6i

Improve of DeReQ Algorithm in Mobile Ad-HocNetworks

Seyed Hossein Hosseini Nazhad Ghazani, R. M. Aliguliyev
2012 International Journal of Modeling and Optimization  
In this paper we study a QoS routing algorithm (DeReQ) that have been used in multimedia communication over ad hoc networks.  ...  DeReQ is a QOS routing algorithm. The aim of DeReQ algorithm is to find an optimal route.  ...  The introduction of new types of data services, the potential of new wireless network. Working of QOS management architectures in Ad Hoc IP network is impractical [4] .  ... 
doi:10.7763/ijmo.2012.v2.219 fatcat:6b3tnyycf5ggjoslbqx3trdvoa

Short Range Inter-satellite Link for Data Transfer and Ranging using IEEE802.11n

Viraj Shah, Ritesh Patel, Rikin Nayak
2017 International Journal of Computer Applications  
In satellite systems, On-Board communication is a one of the key aspect in which transfer of digital data (high speed high volume data) & TM-TC (Tele command or Telemetry, low volume low speed data) is  ...  In this paper, the feasibility of IEEE 802.11n standard for Intersatellite communication and Ranging between two Wi-Fi enable devices has discussed.  ...  IEEE802.11 wireless networks can be configured into two different modes: ad hoc and infrastructure modes.  ... 
doi:10.5120/ijca2017913561 fatcat:lvnkvjv7bzaj3efm3pav4nccde

VIDEO TRANSMISSION OVER WIRELESS NETWORKS REVIEW AND RECENT ADVANCES

Diaa Eldein Mustafa Ahmed, Abdirisaq M. Jama, Othman O. khalifa
2015 International Journal of Computer Applications Technology and Research  
Achieving effective bandwidth aggregation in wireless environments raises several challenges related to deployment, link heterogeneity, Network congestion, network fluctuation, and energy consumption.  ...  In this work, an overview of technical challenges of over wireless networks is presented. A survey of wireless networks in recent video transmission schemes is introduced.  ...  Mobile phone service providers are now offering a wide range of multimedia applications over high speed wireless data networks.  ... 
doi:10.7753/ijcatr0406.1005 fatcat:73ico53mqrc2fhx7adlipykmhq

Development strategy of disaster-resistant WiFi mesh networks and the disaster monitoring and reporting system in a local area

Makoto Sugita, Hideaki Matsue, Kazuhiro Yamaguchi, Tomohiko Shimodaira, Manabu Shirotori, Satoshi Nanamatsu
2015 2015 International Conference on Information Networking (ICOIN)  
Specifically, the high-speed wireless mesh network utilizing WiFi system as a regional network will be realized.  ...  Proposed development strategy aims to resolve regional issues in a local area, by use of ICT technology, to build a strong reliable regional high-speed network immune to disasters at a low cost and to  ...  The service and overview network is indicated in Figure 1 . Specifically, the high-speed wireless mesh network utilizing WiFi system as a regional network are realized.  ... 
doi:10.1109/icoin.2015.7057871 dblp:conf/icoin/SugitaMYSSN15 fatcat:kucwwmvzzvfrfblhnk67l3scgu

Throughput Measurement for the Guaranteed QoS Real-time Traffic Flows in VANETs

Abubakar Aminu Mu'azu, Low Tang Jung, Ibrahim A. Lawal, Peer Azmat Shah
2014 Procedia - Social and Behavioral Sciences  
Quality of service (QoS) guarantees in vehicular ad hoc networks (Vanets) is much more challenging due to the high mobility of its mobile hosts, multi-hop communications and contention for channel access  ...  IEEE802.11 MAC.  ...  Figure 1: Allocation of DSRC Channels Generally, QoS guarantees in wireless ad hoc networks for any distributed and real-time multimedia communication encounters a number of challenges, as specified by  ... 
doi:10.1016/j.sbspro.2014.03.680 fatcat:blyhzlhmjfep5mj4ogk5ehowa4

Access Channel Selection for WLAN using Fuzzy Expert System

Bakeel Maqhat, Mohd Dani Baba, Ruhani Ab Rahman, Anwar Saif
2018 International Journal of Engineering & Technology  
services in IEEE 802.11 WLAN network.  ...  The tremendous increase in user demands for multimedia applications with its various quality of service (QoS) requirements has become essential for the operators to accommodate the demand for real-time  ...  Choi, et al.2008 ) have addressed the EDCF mechanism that supports QoS in IEEE802.11e MAC layer.  ... 
doi:10.14419/ijet.v7i3.7.16202 fatcat:iowldbudwzazlftxyqwuaka47y

A scheduling algorithm for QoS support in IEEE802.11 networks

A. Grilo, M. Macedo, M. Nunes
2003 IEEE wireless communications  
Instead, the network must provide soft QoS guarantees constrained by a minimum channel quality. Several scheduling algorithms were proposed for QoS provisioning in wireless networks [1] .  ...  A SCHEDULING ALGORITHM FOR QOS SUPPORT IN IEEE802.11E NETWORKS algorithms should thus be adapted to take into account link adaptation, allowing implementation in commercial WLAN equipment.  ... 
doi:10.1109/mwc.2003.1209594 fatcat:4laqwl6u45gkdil3zqmps4pl4q

Evaluation and analysis of an enhanced hybrid wireless mesh protocol for vehicular ad hoc network

Amal A. Eltahir, Rashid A. Saeed, Amitava Mukherjee, Mohammad Kamrul Hasan
2016 EURASIP Journal on Wireless Communications and Networking  
In the proposed mechanism, the cluster-head selection is implemented using the enhanced hybrid wireless mesh protocol (E-HWMP) protocol, which is based on the IEEE802.11p and IEEE802.11s standards.  ...  Then, multi-hop routing is designed for VANET in Wireless Mesh Networks (WMNs). Therefore, the main aim of this study is to enhance the integration of VANET with a cellular network (i.e., LTE).  ...  Issues on CH based on multicasting and QoS was described in this study.  ... 
doi:10.1186/s13638-016-0666-5 fatcat:prgrgdeqrbcrjayqcainf3sljq

A Performance Analysis Framework for WiFi/WiMAX Heterogeneous Metropolitan Networks Based on Cross-Layer Design

Martha Hernández Ochoa, Mario Siller, John Woods, Hector Alejandro Duran-Limon
2014 International Journal of Distributed Sensor Networks  
This M2M area network is based on the IEEE802.11 protocol, whilst the access network that connects the M2M gateway (nodes with two interfaces: 802.11 and 802.16) to the M2M core (e.g., the 3rd Generation  ...  The 802.11 protocol in the version of IEEE802.11ah standard has been found as an optimal candidate for M2M communication in wireless communication systems.  ...  They believe that the integration of IEEE802.11 and IEEE802.16 is one likely solution for distribution of high data rate services for next generation wireless networks (NGWN).  ... 
doi:10.1155/2014/750971 fatcat:qxhhsccpajg27prz6y3z52hife

Empirical investigation on the dependence of TCP upstream throughput on SNR in an IEEE802.11b WLAN system

Oghogho Ikponmwosa, O. Edeko Fredrick, Emagbetere Joy, Matthews Victor
2014 2014 21st International Conference on Telecommunications (ICT)  
An Infrastructure based IEEE802.11b WLAN system having networked computers on which measurement software were installed, was set up consecutively in various environments (open corridor, small offices with  ...  An empirical investigation on the dependence of TCP upstream throughput against signal to noise ratio (SNR) in an IEEE802.11b WLAN system was carried out in various environments and varieties of QoS traffic  ...  Several WLAN systems are based on the IEEE802.11 WLAN standard which allows different layers, a configuration that provides optimized functionality for wireless communication [4] .  ... 
doi:10.1109/ict.2014.6845155 dblp:conf/ict/IkponmwosaFJV14 fatcat:e6loccep2vgprp7qb6rjuwkgjm
« Previous Showing results 1 — 15 out of 184 results