|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||375/140; 375/146; 375/147|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 56 인용 특허 : 28|
According to embodiments of the invention, a communications system includes an error correction encoder that error correction encodes a bitstream according to an error correction code. The system also includes a variable symbol generator that generates a symbol according to a selected one of a plurality of selectable signal constellations from a group of bits of the error correction encoded bitstream. The system further includes a spreader that spreads the symbol according to a spreading code, and a transmitter that transmits the spread symbol in a commu...
1. A communications system for communicating with a plurality of terminals, the system comprising:a network station; a variable error correction encoder that error correction encodes respective bitstreams for respective ones of the plurality of terminals according to respective selected coding rates of a plurality of coding rates; a variable symbol generator that maps respective ones of the error correction coded bitstreams to respective symbol streams according to respective signal constellations of a plurality of signal constellations of various orders...