Methods and apparatus for providing receivers for use in...

Details Methods and apparatus for providing receivers for use in... Methods and apparatus for providing receivers for use in...

2011-01-25

2011-01-25

Kumar, Pankaj (Department: 2467)

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

C370S203000, C370S208000, C370S310000, C375S142000, C375S260000, C375S343000

Reexamination Certificate

active

07876784

ABSTRACT:
Methods and apparatus provide low-complexity receivers for use in superposition coded multi-user systems. In a downlink scenario, a superposition coded signal that includes data unique to first and second users is compared with every permutation of the bit positions of the transmitted signal. The values of the received signal that are nearest to the transmitted signal are located to extract the data unique to the first user. In an uplink scenario, a superposition coded signal that includes data unique to the first and second users is compared with every permutation of the bit positions of transmitted signals corresponding to the first and the second users. The values of the received signal that are nearest to the transmitted signal corresponding to the first user are located to extract the data unique to the first user simultaneously with the extraction of the data unique to the second user.

REFERENCES:
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patent: 2010/0091798 (2010-04-01), Bhushan et al.

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