METHOD AND ARRANGEMENT TO JOINTLY REDUCE PEAK TO AVERAGE POWER RATIO AND SIGNAL MODULATION TYPE FOR PRE-CODED ENHANCED GENERAL PACKET RADIO SERVICE (EGPRS)

Methods and arrangements are provided where signalling of the modulation type by means of rotation of the training sequence is provided. For each modulation type, a set of rotation angles is chosen. These sets have no element in common. New training sequences are generated by rotating one original t...

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Hauptverfasser: SUNDBERG, MÃ¥rten, LIBERG, Olof, QIU, Xun, LOPEZ, Miguel
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LIBERG, Olof
QIU, Xun
LOPEZ, Miguel
description Methods and arrangements are provided where signalling of the modulation type by means of rotation of the training sequence is provided. For each modulation type, a set of rotation angles is chosen. These sets have no element in common. New training sequences are generated by rotating one original training sequence. The rotation angle that minimizes the PAPR of the transmit signal can be chosen. At the receiver side, knowing the original training sequence, the receiver estimates blindly the rotation angle among the known possible rotation angles. The estimated rotation angle in the receiver maps to a unique modulation type.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title METHOD AND ARRANGEMENT TO JOINTLY REDUCE PEAK TO AVERAGE POWER RATIO AND SIGNAL MODULATION TYPE FOR PRE-CODED ENHANCED GENERAL PACKET RADIO SERVICE (EGPRS)
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