Publications in International Refereed Journals:

1. L.A. Johnston and M. Gevers, A comparison of model order reduction approaches, in prep'n, 2001.
   
   
2. L.A. Johnston and V. Krishnamurthy, Performance analysis of a dynamic programming track before detect algorithm, IEEE Transactions on Aerospace and Electronic Systems, Vol. 38, No. 1, pp. 228-242, January 2002.
   
   
3. L.A. Johnston and V. Krishnamurthy, An improvement to the interacting multiple model (IMM) algorithm, IEEE Transactions on Signal Processing, Vol. 49, No. 12, pp. 2909-2923, December 2001.
   
   
4. L.A. Johnston and V. Krishnamurthy, Derivation of a sawtooth iterated extended Kalman smoother via the AECM algorithm, IEEE Transactions on Signal Processing, Vol. 49, No. 9, pp. 1899-1909, September 2001.
   
   
5. L.A. Johnston and V. Krishnamurthy, Finite dimensional smoothers for MAP state estimation of bilinear systems, IEEE Transactions on Signal Processing, Vol. 47, No. 9, pp. 2444-2459, September 1999.
   
   
6. L.A. Johnston and V. Krishnamurthy, Hidden Markov model algorithms for narrowband interference suppression in CDMA spread spectrum systems, Signal Processing, Vol. 79, pp. 315-324, 1999.
   
   

Publications in International Refereed Conferences:

1. L.A. Johnston, V. Krishnamurthy and L. Davis, On the formation of extrinsic information in Turbo decoding, 2001 IEEE International Symposium on Information Theory, Washington D.C., p.192, June 2001.
   
   
2. L.A. Johnston and M. Gevers, Iterative methods for reduced order estimation, Benelux Meeting on Systems and Control, La Houffalize, p. 99, March 2001.
   
   
3. L.A. Johnston and V. Krishnamurthy, Performance analysis of a track before detect dynamic programming algorithm, ICASSP'2000, Istanbul, Turkey, pp. 49-52, June 2000.
   
   
4. L.A. Johnston and V. Krishnamurthy, On the equivalence of the extended Kalman smoother and the Expectation Maximisation algorithm, IFAC'99, Beijing China, Vol. H, pp. 145-150, July 1999.
   
   
5. L.A. Johnston, C. Carlemalm and A. Logothetis, A modal approach to time delay estimation in asynchronous CDMA systems, 1999 Canadian Workshop on Information Theory, Kingston, Canada, pp.91-94, June 1999.
   
   
6. L.A. Johnston and V. Krishnamurthy, Mode--matched filtering via the EM algorithm, 1999 American Control Conference, San Diego, pp.1930-1934, June 1999.
   
   
7. L.A. Johnston and V. Krishnamurthy, On the equivalence of the extended Kalman smoother and the Expectation Maximisation algorithm for polynomial signal models, 1999 Conference on Information, Decision and Control, Adelaide, Australia, pp.303-308, February 1999.
   
   
8. L. Johnston and V. Krishnamurthy, Finite dimensional hybrid smoothers, 37th IEEE Conf. on Decision and Control, Tampa, Florida, pp.3942-3947, December 1998.
   
   
9. L.A. Johnston and V. Krishnamurthy and A. Logothetis, Iterative algorithms for optimal MAP estimation of bilinear systems, 1998 IEEE International Symposium on Information Theory, MIT, Massachusetts, p.23, August 1998.
   
   
10. L.A. Johnston and V. Krishnamurthy, A recursive prediction error algorithm for narrowband interference suppression in spread spectrum systems, 1998 IEEE International Conference on Communications, Atlanta, USA, pp.733-737, June 1998.
    
    
11. V. Krishnamurthy, L. Johnston and A. Logothetis, Optimal MAP estimation of bilinear systems via the EM algorithm, ICASSP'98, pp.2373-2376, Seattle, USA, May 1998.