Sunday, April 18, 2010

consider different dimension

And at the same time, the author shows that it is needed to consider different dimension of degree of freedom when we use one of the diversity cheap ralph lauren polo shirts technologies.The last but not the least, the author discusses one new technology --- signal space diversity. On the basis of study of the communication mechanism, the author Lacoste Polo researches the detection algorithm in receiver: vector Gaussian approximation algorithm and scalar Gaussian chi dazzle approximation algorithm. From the simulation result, we can see that the more of the rotation matrix of the lattice dimension, the better performance of the vector Gaussian approximation ralph lauren polo shirts algorithm. The bit error rate degrading rapidly when do first iteration, but it near slowly when iteration number is larger than 4. Regarding to scalar Gaussian approximation algorithm, the larger iteration number is, the Lacoste Polo Shirts better performance. With regarding to the lower order modulation, the bit error rate degrading rapidly when do first iteration, but near slowly when iteration number is larger than 4. However, when we use higher order modulation, the larger iteration number is, the better performance.
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