초록 ▼

A multicarrier communication system for wireless transmission of blocks of data having a plurality of digital data symbols in each block. The communication system includes a device for distributing the digital data symbols in each block over a plurality of clusters, each of the clusters receiving on

A multicarrier communication system for wireless transmission of blocks of data having a plurality of digital data symbols in each block. The communication system includes a device for distributing the digital data symbols in each block over a plurality of clusters, each of the clusters receiving one or more digital data symbols. The digital data symbols are encoded in each of the cluster; and modulated in each cluster to produce a signal capable of being transmitted over the sub-channels associated with each cluster. A transmitter thereafter transmits the modulated signal over the sub-channels. By distributing the modulated signal over a plurality of clusters, overall peak-to-average power (PAP) ratio is reduced during transmission and transmitter diversity is improved.

대표청구항 ▼

[ We claim:] [1.] A multicarrier communication system for wireless transmission of blocks of data, each said block having a plurality of digital data symbols, said system comprising:means for distributing said plurality of digital data symbols in each block over a plurality of clusters, each of said

[ We claim:] [1.] A multicarrier communication system for wireless transmission of blocks of data, each said block having a plurality of digital data symbols, said system comprising:means for distributing said plurality of digital data symbols in each block over a plurality of clusters, each of said plurality of clusters capable of receiving one or more digital data symbols;means for encoding said one or more digital data symbols in each of said plurality of clusters, said encoding means including means for applying non-linear coding to reduce peak-to-average power ratio in each sub-channel;means for modulating said encoded one or more digital data symbols to produce a modulated signal capable of being transmitted over sub-channels associated with each respective cluster; anda transmitter for transmitting said modulated signal over said sub-channels.