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About This Item
Full Description
The present document describes the Air Interface of a scalable Digital Mobile Radio system which covers three tiers of possible products:
- Tier I: DMR equipment having an integral antenna and working in direct mode (communication without infrastructure) under a general authorization with no individual rights operation.
- Tier II: DMR systems operating under individual licences working in direct mode or using a Base Station (BS) for repeating.
- Tier III: DMR trunking systems under individual licences operating with a controller function that automatically regulates the communications.
NOTE 2: The three tiers of possible products will work only independently and not interoperable. (For more information please see the System reference documents ETSI TR 102 335-1 [i.1] and ETSI TR 10 335 2 [i.2].)
The present document specifies the Air Interface, complying with either ETSI EN 300 113-1 [1] and ETSI EN 300 113-2 [2] or ETSI EN 300 390-1 [3] and ETSI EN 300 390-2 [4], that has been specifically developed with the intention of being suitable for all identified product tiers. A polite spectrum access protocol for sharing the physical channel has also been specified. Specifically, in this case for use in the existing land mobile service bands with the intention of causing minimum change to the spectrum planning and regulations. Thus the DMR protocol is intended to be applicable to the land mobile frequency bands, physical channel offset, duplex spacing, range assumptions and all other spectrum parameters without need for any change.
Document History
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ETSI TS 102 361-1
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Electromagnetic compatibility and Radio spectrum Matters (ERM); Digital Mobile Radio (DMR) Systems; Part 1: DMR Air Interface (AI) protocol- Most Recent
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ETSI TS 102 361-1
Electromagnetic compatibility and Radio spectrum Matters (ERM); Digital Mobile Radio (DMR) Systems; Part 1: DMR Air Interface (AI) protocol- Historical Version
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ETSI TS 102 361-1
Electromagnetic compatibility and Radio spectrum Matters (ERM); Digital Mobile Radio (DMR) Systems; Part 1: DMR Air Interface (AI) protocol- Historical Version