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- W. T. A. Lopes, W Queiroz, F. Madeiro, M. S. Alencar
- 2007 SBMO/IEEE MTT-S International Microwave andâ€¦
- 2007

In this paper we derive a general and closed- form expression for the bit error probability of square <i>M</i>-ary quadrature amplitude modulation (<i>M</i>-QAM) for a Rayleigh fading channel.

- J. N. Portela, M. S. Alencar
- SBMO/IEEE MTT-S International Conference onâ€¦
- 2005

Adjacent cells overlap in the vicinity of their boundaries, sharing a common area where several traffic operations, including cell breathing and handoff, are more probable to occur. Near the cellâ€¦ (More)

- W Queiroz, W. T. A. Lopes, Francisco Madeira, M. S. Alencar
- 2007 SBMO/IEEE MTT-S International Microwave andâ€¦
- 2007

In this paper closed-form expressions for the bit error probability of M-QAM and <i>I</i> times <i>J</i>-QAM modulation schemes in Nakagami fading are derived. The classical optimum detector forâ€¦ (More)

- F G S Silva, W Queiroz, M. S. Alencar
- IEEE 5th Workshop on Signal Processing Advancesâ€¦
- 2004

This work presents results of a study concerning joint use of antenna arrays and eigenanalysis method for inter symbolic interference reduction without using a training sequence. The cancellementâ€¦ (More)

- J. N. Portela, M. S. Alencar
- CCNC 2006. 2006 3rd IEEE Consumer Communicationsâ€¦
- 2006

The mobile cellular network is normally represented by means of hexagonal topology. This structure is useful for planning frequency reuse but not appropriate for the analysis of handoff and coverage.â€¦ (More)

- W Queiroz, M. S. Alencar
- 2006 International Telecommunications Symposium
- 2006

This paper presents a comparative study concerning the application of compact linear and circular antenna arrays associated with the maximal ratio combiner (MRC). Uniform and Gaussian distributionsâ€¦ (More)

- M. T. Barrets, P. R. L. Junior, M. S. Alencar
- IEEE Latin America Transactions
- 2012

Traffic grooming is a promising technique to reduce the blocking probability in all-optical networks, in the context of the RWA problem (Routing and Wavelength Assignment). Routing with clonalâ€¦ (More)

- J. N. Portela, M. S. Alencar
- 2006 IEEE Conference on Radar
- 2006

This paper presents the surveillance area as an ordered order-k multiplicatively weighted Voronoi diagram in /spl Ropf//sup 2/. The boundaries between adjacent radars are the edges of the diagram,â€¦ (More)

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