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The complete solution for third-generation wireless communications: two modes on air, one winning strategy

N. Haardt, W. Mohr
2000 IEEE personal communications  
This article is based on our previously published material from 3Gwireless 2000 by Delson Group.  ...  The "base station" will only manage the resources.  ...  UTRA is based on the evolved GSM core network and incorporates the FDD and TDD modes.  ... 
doi:10.1109/98.892254 fatcat:7hgtpkl6orfspfrlwimqigxw5q

Inter-vehicles Communication: A New Frontier of Ad Hoc Networking

Luigi Fratta
2008 2008 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications  
UTRA-TDD communication system architecture) to a totally decentralised Ad Hoc mode [2] .  ...  In order to satisfy the basic requirements of such a radio interface, the framework of the UMTS Terrestrial Radio Access Time Division Duplex (UTRA-TDD) with modifications has been adopted as target system  ...  By contrast, UTRA TDD, that offers a much more flexible assignment of the radio resources, it is very well suited for the adaptation to an ad hoc mode.  ... 
doi:10.1109/wimob.2008.132 dblp:conf/wimob/Fratta08 fatcat:xkvfcpfjsvgyhkjh2h7iuamicy

Vehicular Ad Hoc Networks: Growth and Survey for Three Layers

Aws Saad, Abdalrazak Tareq Rahem, Ammar Jameel Hussein, Abdullah Amer Mohammed
2017 International Journal of Electrical and Computer Engineering (IJECE)  
A vehicular ad hoc network (VANET) is a mobile ad hoc network that allows wireless communication between vehicles, as well as between vehicles and roadside equipment.  ...  Ideas and breakthrough directions for inter-vehicle communication designs were proposed based on the characteristics of VANET.  ...  air interface network topology; (2) modifying into a wireless media access control mechanism that centers the distributed medium access mechanism; (3) controlling the modified radio resource management  ... 
doi:10.11591/ijece.v7i1.pp271-284 fatcat:eotfot35cvcxhfytpg65fd67fi

On traffic dynamical aspects of inter vehicle communications (IVC)

M. Rudack, M. Meincke, K. Jobmann, M. Lott
2003 2003 IEEE 58th Vehicular Technology Conference. VTC 2003-Fall (IEEE Cat. No.03CH37484)  
Within the FleetNet project a novel mobile ad hoc network will be developed -based on the UMTS Terrestrial Radio Access Time Division Duplex (UTRA TDD) air interface -to interconnect vehicles and vehicles  ...  Based on analytical treatment of vehicular traffic and on realistic traffic scenarios, we deduce requirements and their interdependencies for the developed ad hoc networking protocols, and verify them  ...  Consequently, reservation based schemes as proposed for UTRA TDD ad hoc are feasible.  ... 
doi:10.1109/vetecf.2003.1286312 fatcat:tws2gxgfsfdv5ir6lz2ot2b76i

Software-Defined Radio—Basics and Evolution to Cognitive Radio

Friedrich K Jondral
2005 EURASIP Journal on Wireless Communications and Networking  
Cognitive radios are introduced as the next step in radio systems' evolution. The need for cognitive radios is exemplified by a comparison of present and advanced spectrum management strategies.  ...  The need for softwaredefined radios is underlined and the most important notions used for such reconfigurable transceivers are thoroughly defined.  ...  EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING Special Issue on Quality of Service in Mobile Ad Hoc Networks Call for Papers Mobile ad hoc networking is a challenging task due to a lack  ... 
doi:10.1155/wcn.2005.275 fatcat:bqgwcricabekpbft22szoustum

Broadband wireless access and future communication networks

R. Becher, M. Dillinger, M. Haardt, W. Mohr
2001 Proceedings of the IEEE  
This paper presents a vision for wireless communication systems beyond the third generation, which comprises a combination of several optimized access systems on a common IP-based medium-access and core  ...  Key issues are the global interworking of different access systems on a common platform, the implementation of multimode and multiband terminals and base stations by software-defined radio concepts as  ...  The interworking, mobility management, and roaming will be handled via the medium-access system and the IP-based core network (Fig. 3) .  ... 
doi:10.1109/5.904506 fatcat:xlrctv2jajdrlbzfdpkbuijyry

Cooperative mobile-to-mobile file dissemination in cellular networks within a unified radio interface

Larissa Popova, Thomas Herpel, Wolfgang Gerstacker, Wolfgang Koch
2008 Computer Networks  
Our concept is based on the uplink/downlink traffic imbalance in 3G wireless networks and clearly confirms the social principle "real egoistic behavior is to cooperate".  ...  In this paper, a data dissemination technique is introduced for cellular networks by embedding peer-to-peer data transfer into the hierarchical architecture of UMTS (Universal Mobile Telecommunication  ...  On the border of an UTRA-FDD macro cell an ad hoc pico cell with MTs, operating in TDD mode, is organized.  ... 
doi:10.1016/j.comnet.2007.12.007 fatcat:7ozgecdklvgpveguys3njbjor4

Research Challenges and Opportunities in 5G Network

Shailendra Mishra, Mayank Singh
2017 International Journal of Future Generation Communication and Networking  
The term 5G is sometimes used to encapsulate all existing technologies for all time availability, higher coverage area and higher network density with respect to cell and devices.5G system will be compatible  ...  In this paper we present several emerging technologies that support 5G standard along with research problems and challenges for 5G systems.  ...  with Hardware efficiency in Ad-hoc as well as microcellular environment. 4G technologies provide ultra-broadband access for mobile devices. 4G networks are based on Internet protocol (IP) and uses packet  ... 
doi:10.14257/ijfgcn.2017.10.6.02 fatcat:34jaalutwvggxausg2t6d4toom

AN APPROACH TO RESOURCE ALLOCATION FOR FUTURE WLAN

Andriy Luntovskyy, Mykhailo Klymash
2017 Information and Telecommunication Sciences  
bases for available frequency bands and the Web-based content called DIDO Data Centers.  ...  DIDO is aimed to resource allocation for future wireless communication networks which can use the wide non-traditional frequencies spectra between 3MHz and 30GHz and independently with full bandwidth and  ...  J.Spillner with ZHAW (Switzerland) and Prof.L.Globa with NTUU-KPI Kyiv (Ukraine), Mr.H.Benn with Samsung and many other colleagues for their helpful and friendly support, the inspirations and co-operation  ... 
doi:10.20535/2411-2976.12017.11-16 fatcat:k5rmwns2fndsxe7oxpd4a7xq4q

Medium access control protocols for multimedia traffic in wireless networks

I.F. Akyildiz, J. McNair, L.C. Martorell, R. Puigjaner, Y. Yesha
1999 IEEE Network  
This article presents a survey on medium access control protocols for multimedia traffic in wireless networks.  ...  Finally, a qualitative comparative outline of the discussed protocols is provided, based on multimedia traffic requirements.  ...  Investigations of MAC protocols for ad hoc networks can be found in [23-251.  ... 
doi:10.1109/65.777440 fatcat:uluqb2htlfdw3nlj5l72x554we

Applications of Intelligent Radio Technologies in Unlicensed Cellular Networks - A Survey

2021 KSII Transactions on Internet and Information Systems  
Demands for high-speed wireless data services grow rapidly. It is a big challenge to increasing the network capacity operating on licensed spectrum resources.  ...  We will also discuss some open issues and challenges for future research on the IR applications in unlicensed cellular networks.  ...  [80] proposed a resource management and control framework to address spectrum fragility based on a resource pricing concept.  ... 
doi:10.3837/tiis.2021.07.020 fatcat:uzb3gqtsezcgzehvjige3vgiwq

Visions of 4G

B.G. Evans, K. Baughan
2000 Electronics & communication engineering journal  
These areas are as follows: (a) Networks and services 5 evolved IP protocols for mobile systems 5 ad hoc networking 5 resource management for multimedia mobile systems 5 mobility management in all-IP networks  ...  The radio air interface standards are based upon W-CDMA (UTRA FDD and UTRA TDD in UMTS, multicarrier CDMA 2000 and single carrier UWC-136 on derived US standards-see the list of abbreviations).  ... 
doi:10.1049/ecej:20000608 fatcat:q7s4qxujbfg2fpzt34jj3kyl3e

An Overview of Wireless Systems [chapter]

Vijay K. Garg
2007 Wireless Communications & Networking  
The JTC established seven technical ad hoc groups (TAGs) in March 1994, one for each of the selected air interface proposals.  ...  Wireless 4G Systems 4G networks can be defi ned as wireless ad hoc peer-to-peer networking with high usability and global roaming, distributed computing, personalization, and multimedia support. 4G networks  ... 
doi:10.1016/b978-012373580-5/50035-1 fatcat:z2sz4fhmczarbp7ljojvi2dyam

Detection of DoS Attack in VANETs

Deepak Rampaul, Rajeev Kumar Patial, Dilip Kumar
2016 Indian Journal of Science and Technology  
VANET uses wireless medium for its working, therefore, adding more difficulty to it. Because of this, it is easy to introduce security attacks by a malicious node.  ...  The attacker node will send this same message repeatedly and continuously to the victim node making it busier and denying it from accessing the network.  ...  For hopping of one frequency to another they provided us with four switching technologies-UTRA-TDD, WI-MAX, WI-FI and Zig-Bee.  ... 
doi:10.17485/ijst/2015/v8i1/106865 fatcat:xwhhruhd5jfgtlk5gfgkf5tlba

Prospective of Fifth Generation Mobile Communications

Anwar M Mousa
2012 International Journal of Next-Generation Networks  
The proposed network is enforced by nanotechnology, cloud computing and based on All IP Platform. The paper highlights 5G main development challenges and illustrates why there is a need for 5G.  ...  This paper explores future mobile systems with emphasis on re-configurability based on cognitive and software defined radios. 5G (Fifth Generation) network architecture consisting of reconfigurable multitechnology  ...  Moreover, ad-hoc Wireless Personal Area Network (WPAN) and wireless networks for digital TV are gaining more interest.  ... 
doi:10.5121/ijngn.2012.4302 fatcat:44tjkxfakbchhnwsvkroqoqttu
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