Patent ID: 7953178
Filing Date: 2011-05-31
Classification: H04B,H04L

Abstract:
1. A transmitter for signal detection in a wireless system, comprising: a first preamble sequence generator for generating preamble sequences; a low-Peak-to-Average Power Ratio (PAPR) preamble sequence selector for selecting a first low-PAPR preamble sequence from among the generated preamble sequences; a second preamble sequence generator for generating at least one second low-PAPR preamble sequence using the first low-PAPR preamble sequence, wherein the second preamble sequence generator comprises: a preamble sequence copier for copying the first low-PAPR preamble sequence at least once and outputting the first low-PAPR preamble sequence and the at least one copy; a complex conjugator for generating preamble sequences orthogonal to the first low-PAPR preamble sequence and the at least one copy by calculating complex conjugates of the first low-PAPR preamble sequence and the at least one copy.