A channelized DSSS ultra-wideband receiver

Namgoong, Won

doi:10.1109/rawcon.2001.947542

Cited by 27 publications

(26 citation statements)

References 3 publications

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“…One group of UWB receivers, called "all-digital", directly convert the analog UWB signal into digital and perform all the main signal processing operations, such as correlation, in the digital domain [115]- [117]. In other words, for all-digital UWB receivers, the units in the dotted box in Fig.…”

Section: B Hardware Issuesmentioning

confidence: 99%

Position Estimation via Ultra-Wide-Band Signals

2009

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The high time resolution of ultra-wideband (UWB) signals facilitates very precise position estimation in many scenarios, which makes a variety applications possible. This paper reviews the problem of position estimation in UWB systems, beginning with an overview of the basic structure of UWB signals and their positioning applications. This overview is followed by a discussion of various position estimation techniques, with an emphasis on time-based approaches, which are particularly suitable for UWB positioning systems. Practical issues arising in UWB signal design and hardware implementation are also discussed.

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Section: B Hardware Issuesmentioning

confidence: 99%

Position Estimation via Ultra-Wide-Band Signals

2009

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“…The small difference among the minima implies that high order filters are not necessary when the input noise is white. In the presence of narrowband interference, however, sharp filters are needed to isolate the effects of the interferer as explained in [2]. In the remainder of this paper, we assume that a fourth order lowpass filter is used.…”

Section: Analog Lowpass Filtermentioning

confidence: 99%

“…Since designing a single ADC to operate at the signal Nyquist rate is not practical, parallel ADC architectures with each ADC operating at a fraction of the Nyquist rate need to be employed. To sample at a fraction of the Nyquist rate, a frequency channelized receiver based on hybrid filter banks (i.e., continuoustime analysis filters and discrete-time synthesis filters) has been proposed in [2]. Among the advantages of the frequency channelized receivers compared to the more conventional time channelized (i.e., time-interleaved ADC) receivers are the ease of designing the sample/hold circuitries, greater robustness to jitter/phase noise, and reduced ADC dynamic range requirements.…”

Section: Introductionmentioning

confidence: 99%

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An Analog/Digital Baseband Processor Design of a UWB Channelized Receiver for Transmitted Reference Signals

Liu

Namgoong

2006

J VLSI Sign Process Syst Sign Image Video Technol

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Abstract. The frequency channelized receiver enables the use of practical analog-to-digital converters (ADC) to digitize ultra-wideband (UWB) signals. The design issues of the analog and digital baseband processor for the channelized receiver in a UWB transmitted reference (TR) system are investigated. In the analog part, the receiver performance is shown to be weakly dependent on the analog filter bandwidth, the filter order, and the ADC oversampling ratio assuming white input noise. In the digital part, the coarse acquisition performance is shown to be significantly better in a channelized receiver than in a fullband receiver. The implementation issues for fine synchronization and correlation window length are also studied.

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“…Recently, there has been a burst of activity in UWB [1,2,3,4] arena following the US Federal Communications Commission (FCC) approval of the unlicensed deployment in the frequency band from 3.1 GHz to 10.6 GHz for UWB systems.…”

Section: Introductionmentioning

confidence: 99%

Low-noise low-power 0.35.MU.m SiGe amplifiers for 3.1-10.6GHz UWB radio receivers

Touati

Mnif

2004

IEICE Electron. Express

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This paper presents the design and performance analysis of low-noise and low-power 0.35 µm SiGe UWB amplifiers for 3.1-10.6 GHz radio receivers, which have been approved by the US Federal Communications Commission on Feb. 14, 2002. Particularly, commongate amplifiers show good characteristics that are controllable with a single current source. These amplifiers give typical gain of 10.2 dB, which is flat to within ±0.3 dB variation over 3.1-10.6 GHz. The noise figure achieved is about 5.1 dB and power dissipation is 5.6 mW under a power supply of ±1.5 V. The results stand high when compared to recently published figures.

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A channelized DSSS ultra-wideband receiver

Cited by 27 publications

References 3 publications

Position Estimation via Ultra-Wide-Band Signals

Position Estimation via Ultra-Wide-Band Signals

An Analog/Digital Baseband Processor Design of a UWB Channelized Receiver for Transmitted Reference Signals

Low-noise low-power 0.35.MU.m SiGe amplifiers for 3.1-10.6GHz UWB radio receivers

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