US2015078487A1PendingUtilityA1

Method and apparatus for constant envelope modulation

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Assignee: ADEPTENCE LLCPriority: Jun 9, 2009Filed: Jun 25, 2014Published: Mar 19, 2015
Est. expiryJun 9, 2029(~2.9 yrs left)· nominal 20-yr term from priority
Inventors:Ismail Lakkis
H04L 27/2003H04J 13/0025H04L 25/03012H04J 13/10H04J 13/0014
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Abstract

Certain aspects of the present disclosure relate to a method for modulating single carrier signals using constant envelope 2-CPM modulation and quasi-constant envelope filtered continuously rotated pseudo-PSK modulation in a wireless communication system.

Claims

exact text as granted — not AI-modified
1 . A method for communication, comprising:
 encoding a binary data stream using one of a continuously rotated differential pseudo BPSK (πh 2 -DPBPSK) encoding and a continuously rotated generalized differential pseudo QPSK (πh 4 -GDPQPSK) encoding; and   filtering the encoded binary data stream to produce a quasi-constant envelope modulated signal.

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