Policy on Intellectual Property Right (IPR)
1 Summary
2 Related Recommendations and Reports
3 Acronyms and Definitions
4 Introduction
4.1 Typical CLMR system architecture
4.2 CDLMR
4.2.1 Benefits of CDLMR
5 General technical and operational considerations
6 Systems technical characteristics and operational features and standards
6.1 Systems technical characteristics and operational features
6.2 Standards
6.2.1 Project 25 (P25 or APCO-25)
6.2.2 TETRA in CDLMR operations
6.2.3 DMR
6.2.4 dPMR
6.3 Summary of Conventional DLMR systems features
7 Frequency bands
7.1 Frequency bands
7.2 Channel spacing and centre frequencies
7.3 Channel arrangements
8 Frequency selection and assignment
8.1 Examples of frequency assignment methods
9 Analogue to digital transition
9.1 Digital Voice and Data
9.2 Transition analogue to digital
9.2.1 Analogue to digital transition in PLMR bands with
existing channel arrangements
9.2.2 Analogue to digital transition with re-banding from
25 kHz to 12.5 kHz channel spacing
10 Interleaved and offset channelling arrangements
10.1 Interleaved channel plans
10.2 Offset channel plans
Annex 1 – An example of frequency bands and channel spacings for CLMR systems
1 Introduction
2 Example of frequency bands and channelling
Annex 2 – An example of frequency channel selection for CLMR systems using Frequency-Distance
Criteria
1 Introduction
2 Frequency – Distance criteria
2.1 Deployment model
2.2 Minimum distance separation between two CLMR system type A
2.3 Minimum distance separation between two CLMR system type B
2.4 Minimum distance separation between two CLMR system type C
2.5 Minimum distance separation between a CLMR system type A and
type B
Annex 3 – An example of frequency assignment plan for 25 kHz channels that are
separated by 10 channels from each other in a group