Telefonaktiebolaget Lm Ericsson (publ)

Peter Wahlstr&ouml;m

Jafar Rostamy

Jan Erik S&ouml;derkvist

A method and apparatus for evaluating interference within a timeslot of a received TDMA signal is described. An average received signal strength is calculated for a plurality of repeating segments within a TDMA timeslot. The segment sizes are dependent upon the efficiency of the error correction coding scheme utilized by a selected channel type. The calculated received signal strengths for the plurality of the segments are applied to a lowpass filter. The output of the lowpass filter is processed to determine the level of interference within the timeslot.

Method and apparatus for evaluating a timeslot in a TDMA signal

A method is described of measuring the burst quality of a received signal. Specifically, the impairment correlation matrix, used to provide an estimate of impairment correlation properties for use in demodulating radio signals received by a plurality of antennas, is used to obtain the parameters necessary to obtain measurements of the burst quality, with respect to the signal to noise ratio and the signal to interferer ratio respectively. Specific algorithms for calculating the burst quality are also disclosed.

Growing community of inventors

Bromma, Sweden

Peter Wahlström

Growing community of inventors

Bromma, Sweden

Peter Wahlstr&ouml;m

Peter Wahlström