A wireless data link for mobile applications

Lindenmeier, Stefan; Boehm, K.; Luy, J.-F.

doi:10.1109/lmwc.2003.815706

Cited by 13 publications

(9 citation statements)

References 4 publications

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“…The reason is that the complex weight sequences arranged according to certain rules cannot eliminate the uncertain nature of communication data. Cases (9)(10)(11)(12) show that when the communication data is encoded by Gray code, the rectangle window with zero initial phase has the lowest PMERP, while when the Hanning window with or without Newman initial phase is adopted, the PMERP will increase. That is because the Mathematical Problems in Engineering 7 integrality of Gray code is destroyed by Hanning window or Newman phase.…”

Section: Simulation Results and Analysismentioning

confidence: 99%

“…To guarantee the high dynamic range of the measurements, radar waveform designers aim at creating waveforms with optimum autocorrelation properties. A typical continuous waveform with good autocorrelation properties is single-carrier based RadCom waveform combined with code-domain (spread spectrum) scheme [11][12][13][14]. In addition, advanced concepts based on multicarrier communication waveforms, also often denoted as orthogonal frequency division multiplexing (OFDM), are proposed [8,[15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

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Radar Communication Integrated Waveform Design Based on OFDM and Circular Shift Sequence

Liu

Bao

et al. 2017

Mathematical Problems in Engineering

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Based on the orthogonal frequency division multiplexing (OFDM) technique, an intelligent waveform is designed, which is suitable for simultaneously performing data transmission and radar sensing. In view of the inherent high peak-to-mean envelope power ratio (PMERP) and poor peak-to-side-lobe ratio (PSLR) problems in the OFDM based radar and communication (RadCom) waveform design, we propose two technologies to deal with that. To be specific, we adopt Gray code technology to reduce the PMERP and simultaneously choose an optimal cyclic sequence to improve the PSLR of RadCom waveform. In our method, the optimal cyclic sequence is dynamically generated to continuously provide the best waveform according to the change of communication data. In addition, to meet the requirements of different radar detection tasks, two simple methods are utilized to adjust the bandwidth of RadCom waveform. To verify the advantages of the designed waveform, we conduct several simulation experiments to compare with some existing RadCom waveforms. The results show that our designed RadCom waveform can simultaneously achieve lower PMERP and higher PSLR. In addition, our designed RadCom waveform has a thumbtack type fuzzy function and shows the good ability to do multitarget detection.

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Section: Simulation Results and Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Radar Communication Integrated Waveform Design Based on OFDM and Circular Shift Sequence

Liu

Bao

et al. 2017

Mathematical Problems in Engineering

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“…As for the non-real-time traffic, the so-called freeable bandwidth is exactly the unallocated bandwidth at the base station, Bw unused . Notably, code-division multiple-access (CDMA) is adopted in this work to ease the interference effect and increase the transmission efficiency as in (Souryar et al, 2006;Kawamagari et al, 2006;Elbahhar et al, 2001;Linedemmeier et al, 2003;Chung and Cho, 2006). Besides, the administrative base station will direct a route via the roadside base station that is closer to the destination, and all the roadside base stations will follow the same decision procedure as illustrated in Fig.…”

Section: Routing Path Constructionmentioning

confidence: 99%

QoS-aware roadside base station assisted routing in vehicular networks

Huang

Chuang

Chen

et al. 2009

Engineering Applications of Artificial Intelligence

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“…Research in the commercial sector is focused on enabling development of multi-market, multi-carrier cellular phones, voice radios for first responders with interoperability between systems used for fire, police, and emergency medical services, and automotive telematics, navigation, and collision avoidance radar [1]- [4].…”

Section: Research Focusmentioning

confidence: 99%

Architectures and components for multifunctional wireless systems

Palmer¹

2008

2008 IEEE Radio and Wireless Symposium

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A multifunctional wireless system is one that can receive and demodulate any electromagnetic signal from any direction, return a modulated signal in any specific direction, be reconfigurable to implement a variety of radio and sensor functions, and adapt to its local (ambient) environment to improve signal reception, reject interference, and compensate for multipath effects. This paper will present an overview of some programs pursuing development of the technology required to realize multifunctional wireless systems, discuss the advantages and challenges presented by these systems, and offer new concepts in components and system architectures that will enable the advantages and address the challenges.

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A wireless data link for mobile applications

Cited by 13 publications

References 4 publications

Radar Communication Integrated Waveform Design Based on OFDM and Circular Shift Sequence

Radar Communication Integrated Waveform Design Based on OFDM and Circular Shift Sequence

QoS-aware roadside base station assisted routing in vehicular networks

Architectures and components for multifunctional wireless systems

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