NEN EN 50400 : 2006 AMD 1 2012

1 Scope
2 Normative references
3 Physical quantities, units and constants
   3.1 Quantities
   3.2 Constants
4 Terms and definitions
5 General process
   5.1 Alternative routes to determine the total exposure
       ratio where the general public has access
   5.2 General method
       5.2.1 Description of the general method
       5.2.2 Comprehensive total exposure ratio assessment
   5.3 Pre-analysis method
6 Determination of domains and relevant sources
   6.1 Principle of relevance
   6.2 Determination of domains
       6.2.1 Relevant domain
       6.2.2 Scatter domain
       6.2.3 Domain of investigation
   6.3 Determination of relevant sources
7 Calculation specifications
   7.1 General
   7.2 Calculation methods
       7.2.1 Definition of equivalent free space conditions
       7.2.2 Calculation methods in equivalent free space
             conditions
       7.2.3 Calculation methods when equivalent free space
             conditions do not apply
   7.3 Summation of exposure ratio estimated using calculation
8 Measurement specifications
   8.1 General requirement
   8.2 Exposure ratio measurement
       8.2.1 Basic requirements
       8.2.2 Conditions for the use of broadband measurements
       8.2.3 Conditions for the use of frequency selective
             measurement
   8.3 Summation of exposure ratios estimated using measurement
   8.4 Uncertainty
9 TER assessment
10 Exposure assessment report
Annex A (informative) Examples of pre-analysis design guidelines
        A.1 Purpose
        A.2 Installations designed inclusive of a specified
            exposure ratio allowance for other radio sources
        A.3 Combined compliance boundaries
        A.4 Installation designed so that a minimum build height
            is maintained at all distances from the antenna less
            than the compliance boundary distance
        A.5 Equipment Under Test with less than 10 W average EIRP
Annex B (informative) Simplified procedure to determine scatter
        domain and relevant domain boundaries
        B.1 Introduction
        B.2 Analysis
Annex C (informative) Calculations under non-equivalent free space
        conditions
        C.1 Introduction
        C.2 Determination if an object is a significant reflector
        C.3 Determination of power density multiplication
            factor in several domains
            C.3.1 No line of sight from the radio source to
                  the point of investigation
            C.3.2 Reflecting surface to the side of the direct
                  path from radio source to point of investigation
            C.3.3 Reflecting surface below the direct path from
                  source to point of investigation
            C.3.4 Point of investigation between the radio
                  source and reflecting surface
            C.3.5 Radio source between reflecting surface
                  and the point of investigation
            C.3.6 Power density multiplication factor for use
                  in summing multiple bands
        C.4 Establishing total exposure ratio from a set of
            transmissions on different frequencies
Annex D (informative) Selection of points of investigation for
        distant radio sources
        D.1 Objective
        D.2 Principles
        D.3 Establish [delta]r with respect to distance to radio source
            D.3.1 Consider change of field strength with distance
            D.3.2 Consider variation of field strength due to
                  antenna directivity
            D.3.3 Example 1
            D.3.4 Example 2
        D.4 Selecting points of investigation
Annex E (informative) A-deviations

Applies to Base Stations as defined in Clause 4, operating in the frequency range 110 MHz to 40 GHz.