Patent ID: 8594175
Filing Date: 2013-11-26
Classification: H03K,H04L

Abstract:
1. A method for modulating data using a pulse position modulation manner by a transmitter, comprising: reading symbol compositions mapped to input data from a symbol mapping table that includes symbol compositions represented by a plurality of grouped symbols; and modulating the data using the mapped symbol compositions, wherein the symbol mapping table includes a first symbol composition group including symbol compositions that are composed of a plurality of symbols having burst pulses positioned in all pulse periods, wherein the reading includes, when a first bit of the input data is a first value, reading symbol compositions corresponding to the values of the remaining bits other than the first bit of the input data bits among the symbol compositions included in the first symbol composition group as the mapped symbol compositions, and wherein the symbol mapping table further includes a second symbol composition group including the symbol compositions that are composed of a plurality of symbols having burst pulses positioned only in one pulse period for each symbol, and the reading further includes, when the first bit of the input data is a second value, reading symbol compositions corresponding to the values of remaining bits other than the first bit of the input data bits among the symbol compositions included in the second symbol composition group as the mapped symbol compositions.