Novel Radio Architectures for UWB, 60 GHz, and Cognitive Wireless Systems

Čabrić, Danijela; Chen, Mike S. W.; Sobel, D.A.; Wang, Stanley; Yang, Jing; Brodersen, R.W.

doi:10.1155/wcn/2006/17957

Cited by 41 publications

(31 citation statements)

References 11 publications

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“…The figure shows that when the CIR is decreased, the power needed to achieve a certain throughput is increased. A relation between CIR and power consumption was reported earlier [1]- [5], but we now have formalized this relation.…”

Section: And (7) Turns Intomentioning

confidence: 73%

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Optimizing throughput for limited receiver circuit power

Heuvel

Linnartz

Baltus

2010

Proceedings of 2010 IEEE International Symposium on Circuits and Systems

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Abstract-Maximizing the battery life time of mobile devices and sensor nodes increasingly becomes a challenge, and receiver power consumption tends to become more problematic than delivering adequate transmit power. We address the challenge of achieving the highest possible throughput per Watt of receiver circuit power. Our results show that optimum and adaptive tuning of the front-end parameters of the receiver can result in substantial power savings, compared to the common practice of a design for worst case conditions. We obtain a closed form solution for maximum throughput and the corresponding optimal overall system specifications. We confirm that handling the interference from nearby channels has a large influence, and our analysis concludes that adaptive control of the IP3 performance has an overarching impact. We further describe how the adaptive overall system settings can be translated into optimum gain and IP3 specifications of each of the individual stages that form the receiver cascade, considering both the accumulation of circuit noise and distortion products. The example of a WLAN system is elaborated to illustrate our method.

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Section: And (7) Turns Intomentioning

confidence: 73%

“…Therefore, the first stages of our receiver need to handle a broadband signal which usually contains strong adjacent channel interferers, with a priori not fully known statistical properties [1]. These signals need to be handled with adequate linearity to avoid excessive distortion spill-over into the band of the desired signal [2].…”

Section: Introductionmentioning

confidence: 99%

Optimizing throughput for limited receiver circuit power

Heuvel

Linnartz

Baltus

2010

Proceedings of 2010 IEEE International Symposium on Circuits and Systems

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“…For example, a TV at home will be able to access all sources in the house: a "box" in the lounge, a PlayStation in the bedroom, or a DVD reader in another room through a wireless system focusing on the 60 GHz band. The 60 GHz band is of much interest since a massive amount of unlicensed spectrum (5 GHz) has been allocated worldwide for dense wireless local communications (Cabric et al, 2006;Park & Rappaport, 2007;Engen, 1977;Yacabe et al, 2001). A couple of multimedia applications calling for wireless transmission over short distances are existing, such as wireless IEEE 1394 (actually this is an international standard digital interface that can run up to 400 Mb/s over a thin cable), wireless high-resolution TV and videoconferences, wireless internet download of lengthy files, wireless direct communication between notebooks and related devices, patient monitoring in hospitals (patients can freely walk within the hospital grounds with devices that transmit ECG (Electro-Cardio-Gram), blood pressure information, etc), remote controls, and wireless embedded systems, etc.…”

Section: Millimeter-wave Technology For High-speed Communicationsmentioning

confidence: 99%

60 GHz Ultra Wideband Multiport Transceivers for Next Generation Wireless Personal Area Networks

Mallat¹,

Moldovan²,

Tatu³

et al. 2011

Ultra Wideband Communications: Novel Trends - System, Architecture and Implementation

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“…At mm-Wave frequencies, these arrays can contain in excess of 64 antennas and may be co-located with active circuit components on a single silicon die [7], [8] due to the small wavelengths. The implementation of beamforming in mm-Wave systems is different than in microwave systems because it is mostly analog in nature so as to reduce the power consumption of the baseband circuitry [9], [10].…”

Section: Introductionmentioning

confidence: 99%

Antenna Subset Modulation for Secure Millimeter-Wave Wireless Communication

Valliappan

Lozano

Heath

2013

IEEE Trans. Commun.

248

188

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The small carrier wavelength at millimeter-wave (mm-Wave) frequencies enables featuring a large number of co-located antennas. This paper exploits the potential of large antenna arrays to develop a low-complexity directional modulation technique, Antenna Subset Modulation (ASM), for point-topoint secure wireless communication. The main idea in ASM is to modulate the radiation pattern at the symbol rate by driving only a subset of antennas in the array. This results in a directional radiation pattern that projects a sharply defined constellation in the desired direction and expanded further randomized constellation in other directions. Two techniques for implementing ASM are proposed. The first technique selects an antenna subset randomly for every symbol. While randomly switching antenna subsets does not affect the symbol modulation for a desired receiver along the main direction, it effectively randomizes the amplitude and phase of the received symbol for an eavesdropper along a sidelobe. Using a simplified statistical model, an expression for the average uncoded symbol error rate (SER) is derived as a function of the observation angle. To overcome the problem of large sidelobes in random antenna subset switching, the second technique uses an optimized antenna subset selection procedure based on simulated annealing to achieve superior performance compared with random selection. Numerical comparisons of the SER performance and secrecy capacity of the proposed techniques against those of conventional array transmission are presented to highlight the potential of ASM.

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Novel Radio Architectures for UWB, 60 GHz, and Cognitive Wireless Systems

Cited by 41 publications

References 11 publications

Optimizing throughput for limited receiver circuit power

Optimizing throughput for limited receiver circuit power

60 GHz Ultra Wideband Multiport Transceivers for Next Generation Wireless Personal Area Networks

Antenna Subset Modulation for Secure Millimeter-Wave Wireless Communication

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