Method of assigning a spreading sequence to a user of a...

Multiplex communications – Communication over free space – Combining or distributing information via code word channels...

Reexamination Certificate

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C370S335000, C370S203000, C370S208000

Reexamination Certificate

active

11243983

ABSTRACT:
An apparatus and method for a Multi-Carrier Code Division Multiple Access (“MC-CDMA”) transmission network is disclosed. In the MC-CDMA transmission network a plurality of spreading sequences are assigned to individual users from a plurality of predetermined spreading sequences. The spreading sequences are assigned to users in order to minimize the interference created by the assignment of spreading sequences.

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Ochiai et al., “OFDM-CDMA with Peak Power Reduction Based on the Spreading Sequences,” IEEE International Conference on Communications, Jun. 7-11, 1998, pp. 1299-1303, vol. 13, XP000888222.
Popovic, “Spreading Sequences for Multi-Carrier CDMA Systems,” IEEE Colloquium on CDMA Techniques and Applications for Third Generation Mobile Systems, May 19, 1997, pp. 1-6, XP000770002.

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