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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Do-Hoon Kim Kyu-Min Kang Chungyong Lee |
| Copyright Year | 1975 |
| Abstract | We present a multi-band orthogonal frequency division multiplexing (MB-OFDM) ultrawideband (UWB) system on chip (SoC) for high speed wireless communications. The UWB SoC has a power management scheme to minimize the average power consumption and adopts hardware-efficient parallel processing architecture to reduce the logic gate count of the modem. Specifically, symbol synchronization block is implemented with the signed algorithm; automatic gain control (AGC), carrier frequency offset (CFO) estimation, and preamble delimitation check block share the eight complex multipliers during preamble transmission; and AGC, fast Fourier transform (FFT), symbol synchronization, CFO estimation, and preamble delimitation check blocks share the buffer which contains received symbols. This SoC adopts a 32-bit reduced instruction set computer (RISC) processor for high speed data transaction and supports universal serial bus (USB) 2.0 and secure digital input/output (SDIO) for host interface. The designed SoC is implemented with 90 nm CMOS technology with a core voltage of 1.2 V. The implemented chip size is about 5 mm x 5 mm1. |
| Sponsorship | IEEE Consumer Electronics Society |
| File Size | 2979893 |
| File Format | |
| ISSN | 00983063 |
| Volume Number | 57 |
| Issue Number | 3 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-08-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | System-on-a-chip OFDM Synchronization Correlators Estimation Power demand Clocks power management Ultra-wideband (UWB) multi-bandorthogonal frequency division multiplexing (MB-OFDM) systemon chip (SoC) synchronization |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Media Technology |
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