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A Synchronous Digital Duplexing Technique for OFDMA-Based Indoor Communications Chang-Hwan PARK Yo-Han KO Yeong-Jun KIM Kyung-Won PARK Won-Gi JEON Jong-Ho PAIK Seok-Pil LEE Yong-Soo CHO Publication IEICE TRANSACTIONS on Communications Vol.E92-B No.7 pp.2492-2495 Publication Date: 2009/07/01 Online ISSN: 1745-1345 DOI: 10.1587/transcom.E92.B.2492 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Transmission Systems and Transmission Equipment for Communications Keyword: SDD, OFDM, TDD, FDD, Zipper, mutual ranging, Full Text: PDF>>
Summary: In this paper, we propose a new digital duplexing scheme, called synchronous digital duplexing (SDD), which can increase data efficiency and flexibility of resource by transmitting uplink signal and downlink signal simultaneously in wireless communication. In order to transmit uplink and downlink signals simultaneously, the proposed SDD obtains mutual information among subscriber stations (SSs) with a mutual ranging symbol. This information is used for selection of transmission time, decision on cyclic suffix (CS) insertion, determination of CS length, and re-establishment of FFT starting point. | |||||
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