An OCDM Radar-Communication System

Oliveira, Lucas Giroto de; Alabd, Mohamad Basim; Nuß, Benjamin; Zwick, Thomas

doi:10.23919/eucap48036.2020.9135217

Cited by 23 publications

(14 citation statements)

References 5 publications

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“…It can be easily exploited on radar communication (RadCom) MIMO systems [112], autonomously process very small sub-blocks to provide multiple access and low complexity equalization [113], and exhibits an error rate on the weaker bits [114].…”

Section: G Waveformsmentioning

confidence: 99%

A Comprehensive Survey of Candidate Waveforms for 5G, beyond 5G and 6G Wireless Communication Systems

Adoum¹,

Zoukalne²,

Idriss³

et al. 2023

OJAppS

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The evolution of global mobile data over the past decades in broadcasting, Internet of Things (IoT), education, healthcare, commerce, and energy has put strong pressure on 3G/4G mobile networks to improve their service offerings. These generations of mobile networks were initially invented to meet the requirements of the above-mentioned applications. However, as the requirements in these applications continue to increase, new mobile technologies such as 5G (fifth generation), 5G and beyond (B5G, beyond fifth generation), and 6G (sixth generation) are still progressing and being experimented. These networks are very heterogeneous generations of mobile networks that will have to offer very high throughput per user, good energy efficiency, better traffic capacity per area, improved spectral efficiency, very low latency, and high mobility. To meet these requirements, the radio interface of future mobile networks will have to be flexible and rationalized the available frequency resources. Therefore, new modulation methods, access techniques and waveforms capable of supporting these technological changes are proposed. This review presents brief descriptions of the types of 5G, B5G, and 6G waveforms. The 5G consists of OFDM including its transmission techniques: generalized frequency division multiplexing (GFDM), filter bank based multi-carrier (FBMC), universal filtered multi-carrier (UFMC), and index modulation (IM). Meanwhile, the 6G covers orthogonal time frequency space (OTFS), orthogonal chirp division multiplexing (OCDM) and orthogonal time sequence multiplexing (OTSM). The networks' potentialities, advantages, disadvantages, and future directions are outlined.

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Section: G Waveformsmentioning

confidence: 99%

A Comprehensive Survey of Candidate Waveforms for 5G, beyond 5G and 6G Wireless Communication Systems

Adoum¹,

Zoukalne²,

Idriss³

et al. 2023

OJAppS

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show abstract

“…Although some works in this direction exist [22]- [24], further research effort in these directions is required. The PAPR of OCDM has been shown to be identical to that of OFDM, while its sensing performance is expected to be slightly worse due to increased sidelobe level [25].…”

Section: Full Integrationmentioning

confidence: 99%

Towards Integrated Sensing and Communications for 6G

Wang¹,

Kakkavas²,

Gong³

et al. 2022

Preprint

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For the next generation of mobile communications systems, the integration of sensing and communications promises benefits in terms of spectrum utilization, cost, latency, area and weight. In this paper, we categorize and summarize the key features and technical considerations for different integration approaches and discuss related waveform design issues for a future sixth generation (6G) system. We provide results on new candidate waveforms for monostatic sensing and finally highlight important open issues and directions that deserve future in-depth research.

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“…A communication-centric joint radar and communication (JRC) system, leverages on reusing its hardware and waveform, e.g., OFDM, for radar applications [14], [15], [16], [17]. JRC systems using the chirp waveform from [8] have also been suggested [18], [19], [20], showing better communication-and radar performance than for OFDM.…”

Section: Introductionmentioning

confidence: 99%

Joint Radar and Communications With Multicarrier Chirp-Based Waveform

Berggren

Popović

2022

IEEE Open J. Commun. Soc.

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We consider a multicarrier chirp-based waveform for joint radar and communication (JRC) systems and derive its time discrete periodic ambiguity function (AF). A set of waveform parameters (e.g., chirp rate) can together with the transmit sequence be selected to shape the AF to be thumbtack-like, or to be ridge-like, either along the delay axis or the Doppler axis. We demonstrate how these shapes are applicable for different use cases, e.g., radar target detection or time-and frequency synchronization. The results show that better signal detection performance than OFDM and DFT-s-OFDM can be achieved on channels with large Doppler shift. Furthermore, it is shown how transmit sequences can be selected in order to achieve low peak-to-average-power-ratio (PAPR) of the waveform.

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An OCDM Radar-Communication System

Cited by 23 publications

References 5 publications

A Comprehensive Survey of Candidate Waveforms for 5G, beyond 5G and 6G Wireless Communication Systems

A Comprehensive Survey of Candidate Waveforms for 5G, beyond 5G and 6G Wireless Communication Systems

Towards Integrated Sensing and Communications for 6G

Joint Radar and Communications With Multicarrier Chirp-Based Waveform

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