G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 1/08 (2006.01) G01S 5/06 (2006.01) G01S 5/10 (2006.01) H04Q 7/36 (2006.01)
Patent
CA 2379685
The propagation time for propagation of a radio signal (93) from a radio transmitting station to a radio receiving station (91) is estimated based on calculated correlation values (102), calculated energy values (101) and a known energy value. The receiving station (91) receives a series of received signals (93) that respectively correspond to radio signaling bursts transmitted by the radio transmitting station. Each of the radio signaling bursts includes a known signaling sequence. The calculated correlation values (102) are indicative of correlations between the received signals and the known sequence, the calculated energy values (101) are calculated for the respective received signals, and the known energy value is the energy of the known sequence.
Le temps de propagation d'un signal radio (93) d'une station d'émission radio à une station de réception radio (91) est évalué sur la base de valeurs de corrélation calculées (102), de valeurs d'énergie calculées (101) et d'une valeur d'énergie connue. La station de réception (91) reçoit une série de signaux reçus (93) qui correspondent respectivement à des rafales de signalisation radio émises par la station d'émission radio. Chaque rafale de signalisation radio comprend une séquence de signalisation connue. Les valeurs de corrélation calculées (102) donnent des indications de correlations entre les signaux reçus et la séquence connue. Les valeurs d'énergie calculées (101) sont calculées pour les signaux reçus respectifs. Et enfin, la valeur d'énergie connue est l'énergie de la séquence connue.
Fischer Sven
Kangas Ari
Larsson Erik
Ericsson Canada Patent Group
Telefonaktiebolaget L. M. Ericsson (publ)
Telefonaktiebolaget Lm Ericsson
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