Parallel algorithm for fractionally spaced equalization
Xingbo Guo · Journal of Tsinghua University(Science and Technology) · 2005
The all-digital parallel receiver (APRX) is more stable than analog receivers for wideband operations. A parallel algorithm for fractionally spaced equalization was developed for use with the APRX. The algorithm incorporates the constant modulus algorithm to implement a perfect match with the APRX's structure taking best advantage of its overlapping data characteristic. Analysis of the loop stability and loop noise bandwidth of the APRX with the fractionally spaced equalization algorithm shows that the algorithm is more effective than the T-Spaced Equalizer. In addition, there is hardly any loss of the ability to eliminate ISI compared with the serial fractionally spaced equalized algorithm.