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The Theory of Quaternion Orthogonal Designs (with J. Seberry, K. Finlayson, S. Spense Adams, T. Xia, and B. J. Wysocki), Faculty of Informatics - Papers (2008)
Over the past several years, there has been a renewed interest in complex orthogonal designs...
Weight distribution of turbo codes with convolutional interleavers (with S. Vafi), Faculty of Engineering - Papers (2007)
A simple algorithm for the weight calculation of turbo codes with convolutional interleavers is presented....
Performance Comparison of UWB Hopping Codes in a Multi-User Rich Scattering Environment (with K. Popovski and B. J. Wysocki), Faculty of Informatics - Papers (2006)
Ultra Wideband is a short-range wireless communication technique which has seen increased interest over the...
Amicable Orthogonal Designs of Order 8 for Complex Space-Time Block Codes (with Y. Zhao, J. Seberry, T. Xia, Y. Wang, B. J. Wysocki, and L. C. Tran), Faculty of Informatics - Papers (2006)
New amicable orthogonal designs AODs(8; 1; 1; 1; 2; 2; 2), AODs(8; 1; 1; 4;...
Complex Orthogonal Spreading Sequences Using Mutually Orthogonal Complementary Sets (with Y. Zhao, J. Seberry, and B. J. Wysocki), Faculty of Informatics - Papers (2006)
This paper presents a new family of complex spreading sequences designed using mutually orthogonal(MO) complementary...
Inequivalence of Nega-cyclic ±1 Matrices (with R. Ang and J. Seberry), Faculty of Informatics - Papers (2006)
We study nega-cyclic ±1 matrices. We obtain preliminary results which are then used to decrease...
On The Performance of Turbo Codes With Convolutional Interleavers (with S. Vafi), Faculty of Informatics - Papers (2005)
In this paper, some issues governing the block-wise performance of convolutional interleavers used in turbo...
Performance investigation on three-classes of MANET routing protocols (with M. Abolhasan and J. Lipman), Faculty of Informatics - Papers (2005)
Routing in Ad-hoc Networks has received significant attention with a number of different routing protocols...
Generalized Williamson and Wallis-Whiteman Constructions for Improved Square Order-8 CO STBCs (with L. C. Tran, J. Seberry, A. Mertins, and S. A. Spence), Faculty of Informatics - Papers (2005)
Constructions of square, maximum rate Complex Orthogonal Space-Time Block Codes (CO STBCs) are well known,...
Orthogonal Designs with Quaternion Elements (with K. Finlayson, J. Seberry, and T. Xia), Faculty of Informatics - Papers (2005)
We introduce orthogonal designs with quaternion elements and show their existence. In future work we...
A generalized algorithm for the generation of correlated Rayleigh fading envelopes (with L. C. Tran, J. Seberry, and A. Mertins), Faculty of Informatics - Papers (2005)
Although the generation of correlated Rayleigh fading envelopes has been intensively considered in the literature,...
A Construction Technique for Generalized Complex Orthogonal Designs and Applications to Wireless Communications (with J. Seberry and S. A. Spence), Faculty of Informatics - Papers (2005)
We introduce a construction technique for generalized complex linear processing orthogonal designs, which are p...
An exposure property of block designs (with Y. Wang, J. Seberry, B. J. Wysocki, L. C. Tran, Y. Zhao, and T. Xia), Faculty of Informatics - Papers (2005)
An exposure property of block designs is defined and investigated in this paper. The families...
Asterism decoding for turbo coded MIMO systems (with P. Conder), Faculty of Informatics - Papers (2005)
The area of multiple input multiple output (MIMO) communications systems has received enormous attention recently...
A Generalized Algorithm for the Generation of Correlated Rayleigh Fading Envelopes in Radio Channels (with L. C. Tran, J. Seberry, and A. Mertins), Faculty of Informatics - Papers (2005)
Although generation of correlated Rayleigh fading envelopes has been intensively considered in the literature, all...
Performance of convolutional interleavers with different spacing parameters in turbo codes (with S. Vafi), Faculty of Informatics - Papers (2005)
This paper considers application of a convolutional interleaver and the issue of influence of the...
On some applications of Hadamard matrices (with J. Seberry and B. J. Wysocki), Faculty of Informatics - Papers (2005)
Modern communications systems are heavily reliant on statistical techniques to recover information in the presence...
A study of UMTS Turbo Codes across Space Time Spreading Channel with the case of m = 1 and m = 2 (with I. S. Raad and P. Vial), Faculty of Informatics - Papers (2004)
The study presented in this paper is that of Universal Mobile Telecommunications Systems (UMTS) Turbo...
Extending Asterism decoding to QAM and its complexity in Rician fading MIMO systems (with P. Conder), Faculty of Informatics - Papers (2004)
The area of Multiple Input Multiple Output (MIMO) communications systems has received enormous attention recently...
Load-Balanced Route Discovery for Mobile Ad hoc Networks (with M. Abolhasan and J. Lipman), Faculty of Informatics - Papers (2004)
This paper presents Flow-Aware Routing Protocol (FARP), a new routing strategy designed to improve load...
Computation of the free distance and low weight distribution of turbo codes with convolutional interleavers (with S. Vafi), Faculty of Informatics - Papers (2004)
This work presents an algorithm for computation of the free distance parameter of turbo codes...
Space time spreading with modified Walsh-Hadamard sequences (with P. Vial, B. J. Wysocki, and I. Raad), Faculty of Informatics - Papers (2004)
Previous work has shown that the performance of a space time spreading (STS) system using...
The effect of imperfect carrier recovery on the performance of the diversity antenna selection technique in wireless channels utilizing DSTM (with L. C. Tran and A. Mertins), Faculty of Informatics - Papers (2004)
This paper examines the effect of imperfect carrier phase/frequency recovery at the receiver on the...
Multi-modulation schemes to increase the rate space-time block codes in Rayleigh fading channels (with L. C. Tran and A. Mertins), Faculty of Informatics - Papers (2004)
The paper examines multimodulation schemes (MMSs) to increase the rate of our two new complex...
Two new complex orthogonal space time codes for 8 transmit antennas (with L. C. Tran, J. Seberry, Y. Wang, B. J. Wysocki, T. Xia, and Y. Zhao), Faculty of Informatics - Papers (2004)
Two new constructions of complex orthogonal space-time block codes of order 8 based on the...
Asterism decoding for layered space-time systems (with P. Conder), Faculty of Informatics - Papers (2004)
The area of layered space-time (LST) systems has received enormous attention recently as they can...
Complex orthogonal sequences from amicable Hadamard matrices (with L. C. Tran, J. Seberry, B. J. Wysocki, T. Xia, and Y. Zhao), Faculty of Informatics - Papers (2004)
The paper deals with the novel technique of designing complex spreading sequences with only four...
Asterism decoding for layered space-time systems using 8PSK (with P. Conder), Faculty of Informatics - Papers (2004)
The area of layered space-time (LST) systems has received enormous attention recently as they can...
On some antenna selection techniques for wireless channels utilizing differential space-time modulation (with L. C. Tran), Faculty of Informatics - Papers (2004)
The paper deals with antenna selection techniques for wireless channels utilizing differential space-time modulation. We...
A review of routing protocols for mobile ad hoc networks (with M. Abolhasan and E. Dutkiewicz), Ad Hoc Networks (2004)
The 1990s have seen a rapid growth of research interests in mobile ad hoc networking....
Two complex orthogonal space-time codes for eight transmit antennas (with L. C. Tran, J. Seberry, Y. Wang, B. J. Wysocki, T. Xia, and Y. Zhao), Faculty of Informatics - Papers (2004)
Two new constructions of complex orthogonal space-time block codes of order 8 based on the...
Combinatorial Constructions of 3- and 4-Secure Codes (with Y. Wang, J. Seberry, B. J. Wysocki, W. Susilo, T. Xia, Y. Zhao, and L. C. Tran), Faculty of Informatics - Papers (2003)
In this paper, 3- and 4-secure codes are constructed from combinatorial designs. Both constant weight...
Fading characteristics for indoor wireless channels at 5 GHz unlicensed bands (with M. Carroll), Faculty of Informatics - Papers (2003)
The paper reports on experiments undertaken at the University of Wollongong to characterise fading profiles...
Improved antenna selection technique to enhance the performance of wireless communications channels (with L. C. Tran and A. Mertins), Faculty of Informatics - Papers (2003)
The combination of space-time codes and a closed loop transmission diversity technique is currently receiving...
Scalable routing strategy for dynamic zones-based MANETs (with M. Abolhasan and E. Dutkiewicz), Faculty of Informatics - Papers (2002)
This paper presents a new routing strategy for mobile ad hoc networks, called dynamic zone-based...
Secure authorization, access control and data integrity in Bluetooth (with L. Nguyen, R. Safavi-Naini, and W. Susilo), Faculty of Informatics - Papers (2002)
The Bluetooth standard has a provision for mutual authentication of connecting devices but not their...
On A Use Of Golay Sequences For Asynchronous DS CDMA Applications (with J. Seberry and B. J. Wysocki), Faculty of Informatics - Papers (2002)
Golay complementary sequences, often referred to as Golay pairs, are characterised by the property that...
Golay Sequences for DS CDMA Applications (with J. Seberry and B. J. Wysocki), Faculty of Informatics - Papers (2002)
Golay complementary sequences, often referred to as Golay pairs, are characterised by the property that...
Optimization of orthogonal polyphase spreading sequences for wireless data applications (with B. J. Wysocki), Faculty of Informatics - Papers (2001)
We propose a simple but efficient method for optimizing correlation properties of polyphase spreading sequences...
Simulation of Capture Behaviour in IEEE 802.11 Radio Modems (with C. Ware and J. F. Chicharo), Faculty of Informatics - Papers (2001)
In this paper we investigate the performance of common capture models in terms of the...
Hidden terminal jamming problems in IEEE 802.11 mobile ad hoc networks (with C. Ware and J. F. Chicharo), Faculty of Informatics - Papers (2001)
This paper addresses experimental measurements from an IEEE 802.11 ad hoc network testbed, which indicate...