Inter-WBANs interference mitigation using orthogonal walsh hadamard codes

Ali, Mohamad Jaafar; Moungla, Hassine; Younis, Mohamed; Mehaoua, Ahmed

doi:10.1109/pimrc.2016.7794928

Cited by 9 publications

(2 citation statements)

References 13 publications

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“…Cooperation is a helpful method to realize the network performance [57]. Especially, Cooperative communication is a common technique always used to mitigate interference in wireless network.…”

Section: ) Cooperative Communication Techniquesmentioning

confidence: 99%

Health Monitoring Based on Internet of Medical Things: Architecture, Enabling Technologies, and Applications

et al. 2020

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Recently, wearable devices have got increasing popularity in wide applications in medical and disaster rescue efforts to ensure the health and safety of users, which facilitates the development of the Internet of Medical Things (IoMT). Due to the posture alteration and mobility of users, the topology of the IoMT changes frequently, which increases the difficulty for resource allocation and routing strategy. In this paper, we respectively probe into the health monitoring architectures of the IoMT for both individual and group, allowing the monitored users to move at will. Furtherly, combined with the diversity of disaster rescuers, we build an IoMT-based disaster rescuer health monitoring system with searchers, doctors and porters. For each application, we point out the enabling technologies and demonstrate the existing researches. It is worth noting that the complexity of environment and high mobility of rescuers increase the probability of route breakage. Thus, this paper creatively addresses effective routing repair solutions for route breakage in IoMT-based disaster rescuer health monitoring system by exploiting the mobility of rescuers. Finally, we forecast three most likely directions in the field of IoMTs. INDEX TERMS IoMT, health monitoring, individual, group, disaster rescuer.

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Section: ) Cooperative Communication Techniquesmentioning

confidence: 99%

Health Monitoring Based on Internet of Medical Things: Architecture, Enabling Technologies, and Applications

et al. 2020

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“…Theoretical studies on WH codes are carried out in France for wireless body area network (WBAN) that caters health care services. 32 Basic work was here to suppress the interference using WH codes in WBANs. The Walsh-Hadamard code design using optical nonlinear material was presented in India using nonlinear optics.…”

Section: Introductionmentioning

confidence: 99%

Review on developments in all-optical spectral amplitude coding techniques

Kaur

Singh

2018

Opt. Eng.

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The focus of this work is to consolidate a review of accomplished research in the field of optical code division multiple accesses (OCDMA), to outline the state-of-the-art comparison, and to recognize the prominent trends as well as limitations. Code division multiple access (CDMA) has prospered as a vital solution for numerous applications such as cellular mobile communication-based wireless network technology and wired/wireless local area networks that include areas of unlicensed industry, medicine, and science. Due to the commercial utilization of the various advantages of CDMA, it has raised the matter of whether optical technology reliant communications provide the noteworthy advantages to optical networks as well as what are the technologies that facilitate optical chip-based (code division) networks. Aforementioned matter has been addressed in the context of the incorporation of OCDMA in the systems through several experiments of laboratory-based test-bed investigations, field trials, and simulation analysis of multiple users in the recent research works. The performance of OCDMA has an edge over wavelength division multiplexing and offers an unmatched capacity that is seen through simulations. To cater the explosive expansions in internet application, different spectral amplitude codes have been proposed till now. We present a review of the different spectral amplitude codes based on the reported works in spectral amplitude code OCDMA systems. For the purpose of state-of-the-art comparison, parameters considered are data speeds, advanced modulation formats, bit error rate, extinction ratio, decision algorithms, photonic efficiencies of photodetectors, frequency bands, signal-to-noise ratio, forward error correction, photodetector noises, etc., and simulations are carried out in similar input environments. We explore the advantages/limitations of the spectral amplitude codes, recent progress in the technology, practical works on spectral amplitude coding (SAC) throughout the world, encryption-decryption techniques, all-optical methods, literature comparison, future scope, and applications of the SAC-OCDMA codes.

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