Comparative Demodulation Results for Six-Port and Conventional 60 GHZ Direct Conversion Receivers

Mallat, Nazih Khaddaj; Moldovan, E.; Tatu, Serioja Ovidiu

doi:10.2528/pier08081003

Cited by 22 publications

(14 citation statements)

References 16 publications

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“…There has been a growing demand for indoor short-range communication systems such as millimeter-wave wireless personal area networks (WPANs) to provide high-speed multimedia data services in recent years [1][2][3]. It is commonly known that delay dispersion due to multipath propagation results in significant channel degradation.…”

Section: Introductionmentioning

confidence: 99%

Geometrically Based Channel Model for Indoor Radio Propagation With Directional Antennas

Chen

Zhang²,

Qin³

2010

PIER B

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Abstract-A geometrically based channel model is proposed to describe radio propagation in an indoor environment with directional antennas.In conventional geometric channel models (GCMs), distribution of scatterers does not take into account the antenna properties. A different approach is taken here for directional channel modeling. The locations of scattering objects are defined using nonCartesian coordinates comprising an auxiliary geometric parameter ρ and angle-of-arrival (AOA) φ. Subsequently, we present a systematic method to study the influence of antenna pattern on scatterer distribution by applying two heuristic rules, which underpin the connection between the physical wave-propagation process and its canonical GCM. Provided with model preliminaries, important channel parameters including power azimuthal spectrum (PAS), power delay spectrum (PDS), mean effective gain (MEG), and antenna-decoupled PAS are derived and compared against the published data in the existing literature to demonstrate the usefulness of the proposed model.

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Section: Introductionmentioning

confidence: 99%

Geometrically Based Channel Model for Indoor Radio Propagation With Directional Antennas

Chen

Zhang²,

Qin³

2010

PIER B

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“…Since some theoretical [3][4][5] or simulation-based [6] studies have been published, this paper presents an experimental comparison based on measurement results. Two SDR receiver prototypes have been developed for this purpose: a broadband six-port receiver, described in Section 2, and a dual zero-IF/low-IF receiver, presented in Section 3.…”

Section: Introductionmentioning

confidence: 99%

Experimental Performance Comparison of Six-Port and Conventional Zero-if/Low-if Receivers for Software Defined Radio

Morena¹,

Burgos-García²

2012

PIER B

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Abstract-This paper presents an experimental performance comparison among three RF architectures that are very suitable for Software Defined Radio (SDR) implementation: zero-IF, low-IF, and six-port network. A six-port receiver and a dual zero-IF/low-IF receiver have been developed for this purpose. Six-port receiver is a very promising and flexible RF architecture for the low-cost implementation of integrated microwave and millimeter-wave systems. Competitive advantages such as ultra-broadband behavior, low-cost, reconfigurability, and low power consumption, point to the six-port architecture as a good candidate to implement a SDR. However, two issues on broadband six-port receivers require intensive research: dynamic range extension, and miniaturization. In this paper, two solutions are proposed to solve these problems: the use of biased detector diodes for dynamic range extension, and the use of low temperature co-fired ceramic (LTCC) technology for six-port reduction. The measurement results indicate that the six-port receiver shows high potential benefits and advantages compared to conventional zero-IF and low-IF receivers. In addition, the capability of the six-port architecture to operate as both zero-IF and low-IF receivers has been experimentally demonstrated for the first time.

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“…Since the introduction of the sixport technique, there has been considerable work in the analysis and realization of six-port reflectometers [4][5][6][7][8]. The six-port concept takes also advantage of the capability of easily and accurately retrieving the magnitude and phase of a complex microwave signal in different kind of applications such as radar sensors [9][10][11][12] and telecommunications [13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

One Decade Microwave Forward Network Analyzer Based on the Multi-Port Technique

Haddadi¹,

Lasri²

2012

PIER C

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Abstract-This paper presents a one decade low-cost forward network analyzer based on a modified six-port technique. An instrumentation integrating the hardware and software resources offering advantages such as robustness and compactness is developed. The microwave part of the system is fabricated in planar technology. Associated to this system, a one-step calibration procedure is implemented on an 8-bits microcontroller. The performance, in term of measurement accuracy, is evaluated by comparing the results obtained from the system proposed to those given by a conventional network analyzer in the frequency band 1-10 GHz.

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Comparative Demodulation Results for Six-Port and Conventional 60 GHZ Direct Conversion Receivers

Cited by 22 publications

References 16 publications

Geometrically Based Channel Model for Indoor Radio Propagation With Directional Antennas

Geometrically Based Channel Model for Indoor Radio Propagation With Directional Antennas

Experimental Performance Comparison of Six-Port and Conventional Zero-if/Low-if Receivers for Software Defined Radio

One Decade Microwave Forward Network Analyzer Based on the Multi-Port Technique

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