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학술대회
On the Design of Orthogonal QPSK Baseband Modem for High Speed Data Transmission
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- 저자
- 박승근, 강병권, 진익수
- 발행일
- 201012
- 출처
- International Conference on Soft Computing and Intelligent Systems (SCIS) 2010 / International Symposium on Advanced Intelligent Systems (ISIS) 2010, pp.1253-1256
- 협약과제
- 10MR1300, 안전한 전자파환경 조성, 최형도
- 초록
- In recent years, there is much attention on configurable radio schemes for high speed multimedia applications in near future. It is required that the configurable radio system is flexible enough to support multiple air interfaces and signal processing functions at the same time. And also, digital signal processors and FPGAs are widely used for implementation of these adaptive and flexible functions of a baseband modem for configurable radio applications. This paper concerns the design and implementation of Orthogonal QPSK modem using a DSP chip with consideration of configurable radio concepts. One modulation scheme is operated by adaptive selection between the two schemes and 5 physical traffic channels differentiated by orthogonal codes. It is implemented in one DSP chip and each channel has 1Mbps data rates and 8Mcps chip rates.
- KSP 제안 키워드
- DSP chip, Data transmission, Digital signal processor(DSP), High speed data, Modulation scheme, Orthogonal code, Signal Processing, adaptive selection, baseband modem, data rate, design and implementation