Method and apparatus for transmitting and receiving data...

Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater

Reexamination Certificate

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Details

C455S013100, C455S552100, C370S315000, C370S342000

Reexamination Certificate

active

07920825

ABSTRACT:
A method and apparatus for joint unicast using multi-user superposition coding in a wireless relay system are provided. A BS superposition-encodes first and second data messages directed to first and second MSs, respectively, scheduled at a current scheduling instant. The first and second data messages carry first and second information bit streams for the first and second MSs, respectively. The first MS has a relatively good direct link to the BS, and the second MS has a relatively bad direct link to the BS. The superposition-coded data is transmitted to the first MS and an RS connected between the BS and the first and second MSs. The RS receives the superposition-coded data from the BS, extracts the second information bit stream by decoding the superposition-coded data, and transmits a third data message carrying the second information bit stream to the first and second MSs.

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