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IEEE International Symposium on Telecommunication Technologies (ISTT)
2012 International Symposium on Telecommunication Technologies
26-28 Nov. 2012
Showing 1-25 of 57
Proceedings
The proceedings of this conference will be available for purchase through Curran Associates.
Telecommunication Technologies (ISTT), 2012 International Symposium on
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A compact ultra wideband antenna with WLAN (IEEE 802.11a) band rejection
Publication Year: 2012,Page(s):1 - 5
The problem of interference between ultra-wideband (UWB) system and other narrow band systems has been a major concern for a long time. This paper presents a compact UWB antenna that shows desirable band-notch and gain characteristics. The proposed antenna consists of an octagon-shaped patch with a truncated ground plane that is fed by a 50Ω microstrip line. The frequency notch characteristic is o...Show More
Reflection loss performance of double pyramidal microwave absorber
Publication Year: 2012,Page(s):6 - 10
Cited by: Papers (1)
Shape is the main parameters that affect the performance of the pyramidal microwave absorber. The pyramidal shape microwave absorber is the most installed absorber in the anechoic chamber. Double pyramid is the hybrid shaped that exist by combining two pieces of normal pyramidal shape. In this paper, four types of double pyramidal shape are used to design pyramidal microwave absorber in simulation...Show More
Use of Geographic Information System (GIS) tools as network planning aid for antenna mounting in remote areas
Publication Year: 2012,Page(s):11 - 15
Cited by: Papers (2)
This paper presents a network planning aid for choosing antenna mounting locations in remote area using Geographical Information System (GIS) tools. It is important to determine the right location and to decide the optimal network equipment for remote monitoring applications with challenging terrain. Prior to deploying any wireless network, this tool allows the field engineer to study the geograph...Show More
Investigation of single and two notch on circular polarized patch antenna
M. Z. A. Abd. Aziz;N. A. A. Mufit;M. K. Suaidi;M. A. Othman;M. F. Johar;M. K. A. Rahim
Publication Year: 2012,Page(s):16 - 21
Cited by: Papers (4)
This paper presents the investigation on the effect of two main parameters of a circular polarized patch antenna by using notch technique. The results show that this technique can improve the performance of return loss and gain of the patch antenna. The operating frequency of the proposed antenna is 2.4GHz with 32.66MHz of bandwidth and return loss is -49.63dB. The antenna had been designed and si...Show More
Reliability performance of shuffle exchange omega network
Publication Year: 2012,Page(s):26 - 30
Cited by: Papers (3)
Multistage Interconnection Networks (MINs) are design to provide an effective communication in switching. In optical MIN, optical signal are routed through the connecting path by electronically controlled switching element using directional coupler. Shuffle-exchange networks (SENs) have been widely considered as practical interconnection systems due to their size of it switching elements (SEs) and...Show More
In upstream Ethernet passive optical network (EPON) transmission, timeslot needs to be allocated as the needs to share a single fiber from a splitter to the optical line terminal (OLT) can cause a collision. The allocation is usually being studied using simulations, but it does not take into account the physical parameters. This paper shows a study on static bandwidth allocation (SBA) in upstream ...Show More
Effect of FWM in dispersion-managed ultra-high speed DWDM transmission system
Mohammad Faisal;Mashad Uddin Saleh;Iqbal Hasan;Nabeela Kauser
Publication Year: 2012,Page(s):35 - 37
In this paper, we analytically study the impact of FWMin dispersion-managed DWDM transmission system for 160 Gb/s bit rate per channel. Weevaluate the performance of DWDM system considering the effects of FWM by varying channel spacing, channel count and bit rate. The bit rate is varied from 40 Gb/s to 320 Gb/s. Here we have envisaged different dispersion-managed models with and without taking int...Show More
Mode power evolution in tapered single-mode fiber
Siti Azlida Ibrahim;Nor Azura Malini Ahmad Hambali;Katrina D. Dambul;Syabeela Syahali
Publication Year: 2012,Page(s):38 - 41
This paper reports the investigation of mode power evolution inside a tapered single-mode fiber (SMF). Simulation of the mode power evolution in a tapered fiber with varying waist diameter was performed by BeamProp software. The powers for all modes those exist in the tapered fiber were plotted along the fiber propagation length to study each mode evolution. The simulation results show that the po...Show More
Design of microstrip antenna for modern wireless communication
Publication Year: 2012,Page(s):42 - 46
Cited by: Papers (7)
In this paper, the design of microstrip antenna for modern wireless communication is presented. The proposed antenna has a fairly good performance of impedance bandwidth at 2.40 GHz. The antenna is designed on size of 46 × 37 × 1.5 mm3 and fed with 50 Ω microstrip line. Satisfactory performance was obtained by using TLC 30 (TACONIC)substrate, allowing low cost production, Tightly controlled Dk, lo...Show More
Analysis and design between plasma antenna and monopole antenna
H. Ja'afar;M. T. Ali;N. A Halili;Mohd Zali Hanisah;A. N. Dagang
Publication Year: 2012,Page(s):47 - 51
Cited by: Papers (11)
This paper design on plasma monopole antenna and to prove that a plasma column has been characterized as an antenna. The dimension of the antenna in this project is length of the plasma column l= 150mm, the radius of plasma column r = 5.2mm and the ground for this antenna using an aluminum. The radius for circular aluminum is 40mm. The frequency target range 550MHz until 600MHz. This frequency can...Show More
Study of monopole plasma antenna using fluorescent tube in wireless transmission experiments
Hanisah Mohd Zali;Mohd Tarmizi Ali;Nur Aina Halili;Hajar Ja'afar;Idnin Pasya
Publication Year: 2012,Page(s):52 - 55
Cited by: Papers (4)
This paper presents a basic study on plasma monopole antenna using a single fluorescent tube and reviews the antenna performance as a transmitter and receiver. In this study, a commercially available fluorescent tube, with 0.31 m length and 0.13 m of diameter is used as the plasma antenna. When the gas inside the tube is sufficiently ionized into plasma state, it becomes conductive and allows radi...Show More
A study on plasma antenna characteristics with different gases
Nur Aina Halili;Mohd Tarmizi Ali;Hanisah Mohd Zali;Hajar Ja'afar;Idnin Pasya
Publication Year: 2012,Page(s):56 - 59
Cited by: Papers (8)
This paper investigates the return loss characteristics of plasma antenna with 3 different gases. For this experiment, 3 plasma antennas were fabricated using glass tubes to contain 3 different gases which are neon, argon and xenon with pressure of 1 Torr. RF heating method was used to ionize the gases into plasma state. The return loss characteristic of each of the fabricated plasma antenna is me...Show More
Dual frequency reflectarray antenna based on method of moment mathematical model
Publication Year: 2012,Page(s):60 - 64
Cited by: Papers (1)
In this work, a detailed analysis of dual frequency X-band reflectarray antenna using dual gap configuration on the rectangular patch element is presented. A novel method of moment mathematical model of dual frequency operation based on different dielectric material has been introduced in this paper. The analytical modeled simulations and mathematical model of dual frequency using Roger RT/d 5880 ...Show More
Mobility management schemes and mobility issues in low power Wireless Sensor Network
Teo Kar Hoey;Gopinath Rao Sinniah;Reza Khoshdelniat;Azizol Abdullah;Shamala Subramaniam
Publication Year: 2012,Page(s):65 - 70
One of the current most significant active research areas in wireless communication technologies is Wireless Sensor Network (WSN). WSN is widely adopted in the ubiquitous networking due to its large applications in different fields such as healthcare, agriculture, livestock monitoring, and etc. WSN is labeled as less reliable due to few drawbacks such as energy consumption, networking cost, mobili...Show More
A sinkhole attack detection scheme in Mintroute wireless Sensor Networks
Murad A. Rassam;Anazida Zainal;Mohd. Aizaini Maarof;Mohammed Al-Shaboti
Publication Year: 2012,Page(s):71 - 75
Cited by: Papers (14)
Wireless sensor networks (WSNs) have emerged as one of the hottest research areas in recent years. These networks use radio communications as a media for transmission which make them susceptible to different types of attacks. Sinkhole attack is considered as one of the severe attacks that is launched by a compromised node to attract the network traffic away from the intended route. Consequently, s...Show More
An asynchronous multi-channel MAC protocol with Pulse/Tone exchange for RTS collision avoidance
Publication Year: 2012,Page(s):76 - 81
Cited by: Papers (1)
In multi-channel wireless ad-hoc network, the nodes need to negotiate the channel reservation. Preparing the control channel is one of the strategies for the channel reservation. When the control channel congests due to frame collisions, the control channel is bottleneck for obtaining high throughput. This paper proposes a MAC protocol for multi-channel wireless ad-hoc network for frame collision ...Show More
Sensor node placement based on lexicographic minimax
Publication Year: 2012,Page(s):82 - 87
Cited by: Papers (2)
Wireless Sensor Networks (WSN) which is capable in sensing, storing, processing and transmitting data has been widely applied in providing effective surveillance. Optimum sensor nodes placement in the surveillance area is needed to optimise the cost and efficiency of deployment. The positions of sensor nodes should be able to provide maximum coverage with longer lifetime. This paper proposed a sen...Show More
A proposed network management protocol for Cognitive Radio Sensor Networks
Suleiman Zubair;Norsheila Fisal;Mohammed. B Abazeed;Bala A. Salihu
Publication Year: 2012,Page(s):88 - 93
Cited by: Papers (2)
Running a Network Management Protocol is imperative to ensure network connectivity and stability especially in highly dynamic environment of future Cognitive Radio Sensor Networks. Such protocols have to be characterized by their light overhead in terms of energy, communication and implementation. A solution in this respect is hereby proposed to enable a node in a multichannel environment to quick...Show More
DkCS: An efficient dynamic k-coverage scheduling algorithm for Wireless Sensor Networks
Publication Year: 2012,Page(s):94 - 99
Cited by: Papers (7)
Preserving the requested k-coverage for Wireless Sensor Networks while prolong the network lifetime is a major challenge. The network must provide the required k-coverage degree to ensure the quality of the monitored area with a few active sensors to reduce the energy usage. In this paper, we propose DkCS, an energy-efficient algorithm to prolong the network lifetime while preserving the required ...Show More
Distributed contention arbitration using RTS/CTS versus DATA/ACK for Wireless Sensor Networks
Publication Year: 2012,Page(s):100 - 105
The data forwarding technique via contention among receiving nodes has become a prevalent cross-layer solution for multihop Wireless Sensor Networks (WSNs). In this opportunistic access/routing technique, a next-hop node is selected dynamically on a per-packet basis without knowing a priori of a relay node. As such, the mechanism is robust to frequent network topology changes, scalable to large-sc...Show More
Flooding control by using Angle Based Cone for UWSNs
Publication Year: 2012,Page(s):112 - 117
Cited by: Papers (18)
Providing better communication in UWSNs and maximize the communication performance is challenging issue due to volatile characteristics of underwater environment. Radio signal cannot properly propagate in underwater, so there is need, such type of acoustic modem technology that can supports better data rates and reliable underwater wireless communications. Further, nodes mobility, 3-D spaces bring...Show More
Proceedings
The proceedings of this conference will be available for purchase through Curran Associates.
Telecommunication Technologies (ISTT), 2012 International Symposium on
- CD-ROMPurchase at Partner
- Print on DemandPurchase at Partner
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