H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/69 (2006.01) H04B 7/005 (2006.01) H04B 7/216 (2006.01) H04B 7/26 (2006.01) H04Q 7/22 (2006.01) H04Q 7/38 (2006.01) H04J 13/00 (2006.01)
Patent
CA 2252382
Introduction of discontinuous transmission in CDMA communications techniques is achieved by selectively using additional spreading codes for spreading a frame of data. By dividing a frame into two or more portions and spreading each portion with a different spreading code, the frame can be transmitted in a compressed mode wherein the information is transmitted during a portion of the frame period, leaving an idle part of the frame in which to perform other functions, such as evaluation of other frequencies for use in handover between frequencies.
L'invention porte sur l'introduction de transmissions discontinues dans des techniques de télécommunications par utilisation sélective de codes additionnels d'étalement des trames de données. En divisant une trame en deux parties ou plus et en étalant chacune d'elles à l'aide d'un code d'étalement différent, on peut émettre la trame en mode comprimé, l'information n'étant ainsi émise que pendant une partie de la période de la trame, ce qui laisse une partie inoccupée de la trame pour d'autres fonctions telles que l'évaluation d'autres fréquences pour les commutations entre fréquences.
Dahlman Erik Bengt Lennart
Ewerbring Lars-Magnus
Grimlund Olof Erik
Willars Per Hans Ake
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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