NDLI: The cross-partitioning scheme for an OFDM signal in multiple transmit antenna systems

Content Provider	IEEE Xplore Digital Library
Author	Hojin Kim Junqiang Li Yongsuk Lee
Copyright Year	2003
Description	Author affiliation: I-Networking Lab, Samsung Adv. Inst. of Technol., Suwon, South Korea (Hojin Kim; Junqiang Li; Yongsuk Lee)
Abstract	The reduction of the potentially large peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal in multiple transmit antenna systems is considered in this paper. Multi-carrier signaling can support high-rate data transmission in a wireless channel environment. A large number of subchannels in a multi-carrier signal cause a large PAPR, which requires linearity of the transmission. Thus, highly linear power amplifiers can be caused to handle the large PAPR of the transmitted signals at the cost of power efficiency. Recently, partial transmit sequence (PTS) method has been proposed. In PTS, the transmitted signal is partitioned into subblocks and combined together with phase rotations to lower PAPR. This technique provides good performance with low complexity and some required side information. Using the concept of partitioning and phase rotation as in PTS, a combining method of an OFDM signal is proposed for multiple transmit antenna systems. Side information needs to be sent to the receiver together with data transmission to reconfigure the combined data blocks in multiple transmit antennas. Simulation results show that performance improvement can be achieved with the proposed scheme.
Starting Page	3408
Ending Page	3412
File Size	385327
Page Count	5
File Format	PDF
ISBN	0780378024
DOI	10.1109/ICC.2003.1204087
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitting antennas Peak to average power ratio Partial transmit sequences Data communication Wireless communication Mobile communication Linearity OFDM modulation High power amplifiers Costs
Content Type	Text
Resource Type	Article

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