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    RAMH

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    Date
    2022-09
    Author
    Navarathne, RMGC
    Peiris, SRR
    Ranasinghe, RAMH
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    Abstract
    Abstract: Communication plays a crucial role in the context of military operations. The Revolution of Hand-Held radio from Analogue to Digital Technology reached up to many advanced radios with the application of Modern Technology. A famous means of communication which is utilized in modern military warfare is Digital Mobile Radio (DMR). However, due to highly expensive DMRs, it cannot be easily catered to suit various requirements. This paper aims to discuss the first Hand-Held DMR designed and developed for the Sri Lanka Military named the Creeper (The unique bird who can sing vast frequency bands). Creeper aims to reduce the capital cost investment on expensive DMR and provide flexibility for future improvements. The Creeper DMR is checked against existing DMRs such as Racal Cougar, tested on the field, and made many improvements. A Voice Coder (Vocoder) is used to meet the VHF frequency bands designed and then further developed to work on both VHF and UHF bands. The test results were satisfactory in the field and are currently same being used by Tri-services in Sri Lanka. Creeper has successfully provided a cost-effective solution and would stand out as possible future foreign market
    URI
    http://ir.kdu.ac.lk/handle/345/6360
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