Transmitter and transmitting method increasing the...

Details Transmitter and transmitting method increasing the... Transmitter and transmitting method increasing the...

2005-05-26

2009-12-01

Chan, Wing F (Department: 2419)

Multiplex communications

Communication techniques for information carried in plural...

Combining or distributing information via code word channels

C370S208000, C375S146000, C455S450000

Reissue Patent

active

RE041025

ABSTRACT:
delete-start id="DEL-S-00001" date="20091201" ?According to the present invention adelete-end id="DEL-S-00001" ?insert-start id="INS-S-00001" date="20091201" ?Ainsert-end id="INS-S-00001" ?transmitter and a transmitting method for communicating data symbols over a communication channeldelete-start id="DEL-S-00002" date="20091201" ?, for example, according to the CDMA system is presenteddelete-end id="DEL-S-00002" ?.delete-start id="DEL-S-00003" date="20091201" ?The transmitter (24, 25) comprises means (9) for spreadingdelete-end id="DEL-S-00003" ?insert-start id="INS-S-00002" date="20091201" ?A spreading section spreadsinsert-end id="INS-S-00002" ?each data symbol with a respective spreading codedelete-start id="DEL-S-00004" date="20091201" ?, wherein thedelete-end id="DEL-S-00004" ?insert-start id="INS-S-00003" date="20091201" ?. Theinsert-end id="INS-S-00003" ?spreading codes are mutually orthogonal.delete-start id="DEL-S-00005" date="20091201" ?Means (10) for scrambling aredelete-end id="DEL-S-00005" ?insert-start id="INS-S-00004" date="20091201" ?A scrambling section isinsert-end id="INS-S-00004" ?provided to scramble each spread symbol with a respective scrambling codedelete-start id="DEL-S-00006" date="20091201" ?, the scrambling codes respectively having the same length as the spreading codesdelete-end id="DEL-S-00006" ?. Furthermore,delete-start id="DEL-S-00007" date="20091201" ?means (11) fordelete-end id="DEL-S-00007" ?insert-start id="INS-S-00005" date="20091201" ?a transmission section forinsert-end id="INS-S-00005" ?the transmission of the spread and scrambled symbolsdelete-start id="DEL-S-00008" date="20091201" ?are provideddelete-end id="DEL-S-00008" ?insert-start id="INS-S-00006" date="20091201" ?is providedinsert-end id="INS-S-00006" ?. According to the present inventiondelete-start id="DEL-S-00009" date="20091201" ?the means (10) for scrambling aredelete-end id="DEL-S-00009" ?insert-start id="INS-S-00007" date="20091201" ?the scrambling section isinsert-end id="INS-S-00007" ?provided with a plurality of different scrambling codes, which can be used simultaneously within the same link.

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