OFDM RECEPTION APPARATUS AND OFDM RECEPTION METHOD
An OFDM reception apparatus (100) comprises: an OFDM demodulation unit (110); an error correction decoding unit (102); a reception level calculation unit (121) that calculates parameter values on a carrier-by-carrier basis as indices of reception state quality; an error information detection unit (1...
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| creator | SUGANO MIKI NAITO MASAHIRO SUZUKI HIROSHI |
| description | An OFDM reception apparatus (100) comprises: an OFDM demodulation unit (110); an error correction decoding unit (102); a reception level calculation unit (121) that calculates parameter values on a carrier-by-carrier basis as indices of reception state quality; an error information detection unit (122) that detects the state of transmission errors and their correction and outputs data series in error correction processing units; a group determination unit (131) that performs a grouping operation by dividing a frequency band to which carriers constituting the OFDM demodulated signal belong into a plurality of carrier groups by grouping consecutive carriers on a frequency axis and dividing the data series, in error correction processing units, into a continuous plurality of data groups; an error information measurement unit (133) that measures the output from the error information detection unit (122) in units of the data groups, for each of the plurality of data groups; and a reception level shaping unit (132) that calculates a representative value for each carrier group according to the parameter values output from the reception level calculation unit (121). |
| format | Patent |
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an error correction decoding unit (102); a reception level calculation unit (121) that calculates parameter values on a carrier-by-carrier basis as indices of reception state quality; an error information detection unit (122) that detects the state of transmission errors and their correction and outputs data series in error correction processing units; a group determination unit (131) that performs a grouping operation by dividing a frequency band to which carriers constituting the OFDM demodulated signal belong into a plurality of carrier groups by grouping consecutive carriers on a frequency axis and dividing the data series, in error correction processing units, into a continuous plurality of data groups; an error information measurement unit (133) that measures the output from the error information detection unit (122) in units of the data groups, for each of the plurality of data groups; and a reception level shaping unit (132) that calculates a representative value for each carrier group according to the parameter values output from the reception level calculation unit (121).</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>MULTIPLEX COMMUNICATION</subject><subject>TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDyd3PxVQhydXYNCPH091NwDAhwDHIMCQ1WcPRzUUCT9HUN8fB34WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BRhaW5saGpo6GxkQoAQAndCZq</recordid><startdate>20150722</startdate><enddate>20150722</enddate><creator>SUGANO MIKI</creator><creator>NAITO MASAHIRO</creator><creator>SUZUKI HIROSHI</creator><scope>EVB</scope></search><sort><creationdate>20150722</creationdate><title>OFDM RECEPTION APPARATUS AND OFDM RECEPTION METHOD</title><author>SUGANO MIKI ; 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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | OFDM RECEPTION APPARATUS AND OFDM RECEPTION METHOD |
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