METHOD AND APPARATUS FOR PARALLEL MIDAMBLE CANCELLATION

Method and apparatus for performing midamble cancellation (14) to remove midamble interference from the convolution tail of data field (I) and the first W-1 chips of the midamble field which results from the delay spread of the multipath channel and for cancelling the first W-1 chip midamble spread...

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Bibliographische Detailangaben
Hauptverfasser:	BUCHERT RYAN, NASUTI TONINO, TIMMERMAN CHAYIL S
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Method and apparatus for performing midamble cancellation (14) to remove midamble interference from the convolution tail of data field (I) and the first W-1 chips of the midamble field which results from the delay spread of the multipath channel and for cancelling the first W-1 chip midamble spread in the data field (II), which are performed substantially simultaneously. The received burst, typical a TDD burst, is stored, the midamble interference and the corresponding parts in the received burst are removed and the resulting burst is applied to a multi-user detector (20) to obtain the symbol sequences. ® KIPO & WIPO 2009