Invention Grant
US07995602B2 OFDM communication system and method having a reduced peak-to-average power ratio
有权
OFDM通信系统和方法具有降低的峰均功率比
- Patent Title: OFDM communication system and method having a reduced peak-to-average power ratio
- Patent Title (中): OFDM通信系统和方法具有降低的峰均功率比
-
Application No.: US12490050Application Date: 2009-06-23
-
Publication No.: US07995602B2Publication Date: 2011-08-09
- Inventor: Leonard Joseph Cimini, Jr. , Nelson Ray Sollenberger
- Applicant: Leonard Joseph Cimini, Jr. , Nelson Ray Sollenberger
- Applicant Address: US GA Atlanta
- Assignee: AT&T Intellectual Property II, L.P.
- Current Assignee: AT&T Intellectual Property II, L.P.
- Current Assignee Address: US GA Atlanta
- Main IPC: H04L12/56
- IPC: H04L12/56 ; H04J1/16
Abstract:
An OFDM system embeds sequence information in the transmitted signal that reduces peak average power ratio (PAP) with minimal impact on the overall system efficiency. A marker is embedded onto the transmitted information that is used to identify the combining (inversion) sequence at the receiver. In one embodiment, selected tones in a cluster are rotated when the corresponding phase factor rotates the cluster.
Public/Granted literature
- US20090257443A1 OFDM COMMUNICATION SYSTEM AND METHOD HAVING A REDUCED PEAK-TO-AVERAGE POWER RATIO Public/Granted day:2009-10-15
Information query
