FPGA design and implementation of UDCM for the WiBro system
- Authors
- Cho, Kyongkuk; Lee, Kyungmin; Yoon, Dongweon; Lee, Wooju; Park, Sang Gyu
- Issue Date
- Jul-2008
- Publisher
- IEEE
- Keywords
- FPGA; Frequency conversion; OFDMA; RAS interface; REC; WiBro base station
- Citation
- Proceedings - The 4th International Conference on Wireless and Mobile Communications, ICWMC 2008, pp.404 - 408
- Indexed
- SCOPUS
- Journal Title
- Proceedings - The 4th International Conference on Wireless and Mobile Communications, ICWMC 2008
- Start Page
- 404
- End Page
- 408
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/178140
- DOI
- 10.1109/ICWMC.2008.34
- ISSN
- 0000-0000
- Abstract
- In this paper, we implement the UDCM(Up Down Conversion Module) for the WiBro base station equipment RAS(Radio Access Station). It performs the digital IF (Intermediate Frequency) signal processing between a channel card and the Radio Equipments(REs). The UDCM embed on digital optic interface unit of RAS. Converting the frequency into WMHz or baseband is the main function. It filters the spurious within channel bandwidth for DownLink(DL) /UpLink(UL). Also to support the communication with the other chips or peripherals, we design the interface modules and controller. As the UDCM is optimized on the Virtex5 families, it can save the dedicated FPGA resources and lowers the development costs. Its functionality is verified using simulation tools on the RTL(Register Transfer Level) for the predefined test vector. After setting the timing constraints for the interface signals and timing verification, the UDCM downloaded into main unit. Finally, this digital unit is connected to a channel card and REs to ensure the expected performance for its reference simulation results by capturing I/Q, synchronization signals.
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