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008 080598 th eng
035 _a.b10190648
099 9 _aAIT Thesis no. TC-92-8
100 0 _aPham Manh Lam
245 1 4 _aThe design of a hybrid spread-spectrum CSMA-CD protocol and its performance in high-speed integrated-services local-area networks
260 _aBangkok :
_bAsian Institute of Technology,
_c1992
300 _a91, [5] leaves
490 1 _aThesis ;
_vno. TC-92-8
500 _aA thesis submitted in partial fulfillment of the requirement for the degree of Master of Engineering, School of Engineering and Technology
502 _aThesis (M.Eng.) - Asian Institute of Technology,1992
520 _aThe research presented in this thesis consists of the design and investigation into the performance of a novel hybrid CDMA/CSMA-CD protocol for applications in High Speed Integrated Services Local Area Networks (HSIS LANs). A class of DSSS protocols which have a true capacity improvement per unit bandwidth over conventional contention protocols, such as Ethernet, have been identified. CSSS/CD is used as a generic name describing this class of protocols with various forms of channel sensing and collision detection. The protocol procedures of Connection, Data Transfer and Disconnection (including full-duplex capabilities) for High Speed Integrated Services Local Area Networks (HSIS LANs) are specified. Computer simulation models which can be used to analyse and examine the behaviour of the CSSS/CD protocols under varying design and operating conditions are devised. These models are built up using OPNET/M version 2.3 which is a workstation-based network simulation tool conceived by MIL 3 Incorporation. Finally, the delay/throughput performance of the new lP-CSSS/CD protocols are evaluated and compared with 1 P-CSMA/CD (Ethernet) for identical channel conditions. The advantage of these protocols is that they may be realised by only a physical layer change to the standard Ethernet protocol while achieving a true capacity improvement over Ethernet for large offered loads and large data rates, thus making these protocols ideally suited to HSLN applications
650 0 _aSpread spectrum communications
700 1 _aO'Farrell, T.,
_eChairperson
700 1 _aLochmann, S.,
_eExamination committee
700 1 _aMurch, A.,
_eExamination committee
700 1 _aTakahashi, K.,
_eExamination committee
710 2 _aFinnish International Development Agency (FINIDA),Finland,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. TC-92-8
856 _3Full-Text
_u http://203.159.5.9/ait-thesis/detail.php?q=B17498
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