TIA-845-B-2010 Radiowave Propagation Path Loss Measurement Presentation Format《无线电波传播路径损耗测量呈现格式》.pdf

1、 TIA-845-B (Revision of TIA-845-A) December 2010 Radiowave Propagation Path Loss Measurement Presentation Format NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interc

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22、BLISHED BY TIA WITHOUT SUCH LIMITATIONS. PN3-4820-RV2 (To be published as TIA-845-B) iii TABLE OF CONTENTS Document Revision History . iv FOREWORD v BLANK PAGE vi INTRODUCTION vii 1.0 SCOPE 1 2.0 NORMATIVE REFERENCES 1 3.0 DEFINITIONS however, those who generate path loss data are encouraged to incl

23、ude some reference to the site name and to the date the data was taken. Because of compatibility issues, a filespec following the 8.3 naming convention is encouraged, but is not required for compliance. The data format consists of header records and data records. All data records will be coded in AS

24、CII. Also strongly encouraged is supplemental data, such as antenna patterns and siting information. Supplemental information is not directly addressed in this standard. However, this standard does discuss how the supplemental data is referenced. 4.2 Header Record There shall be at least one header

25、record. Each header record has no particular length. However, for human readability, it is recommended that each record be limited to sixty (60) characters except in cases where the width of a single field exceeds that length. No field shall occupy more than one record. Each record consists of field

26、s of arbitrary width, arranged in no particular order. Within a header record, fields shall be separated by pipe (“|”) characters. Each field consists of a field name and the field data, separated by a space character. The field name consists of a 4-character alphabetic component and a 2-character n

27、umeric component, not separated by any character. The purpose of the numeric component is to distinguish between data of the same type. Even those parameters that have only one value shall contain the numeric component, which shall be “01”. Table 4-1 lists the possible header fields. The first seven

28、 lines in Annex A, A.1 Short Format and A.2 Long Format are provided as examples of header records. PN3-4820-RV2 (To be published as TIA-845-B) 4 Table 4-1 Header Record Fields Req* Field Description VERS01 Version CNAMnn Name and contact information for data supplier TSIT01 Site name TLAT01 Site La

29、titude in SDD.DDDD form TLON01 Site Longitude in SDDD.DDDD form HDTM01 Horizontal Datum* GELV01 Ground Elevation (meters AMSL) VDTM01 Vertical Datum* TWRT01 Tower type (triangular, square, unipole, non-metallic) M TWRW01 Tower width at height of center of radiation (mm) TMTG01 TX Ant mounting config

30、uration See Table 4-2 M TDST01 TX Ant distance from tower leg to antenna (mm) D TAZM01 Azimuth of TX Ant Reference boresight ( true) TANT01 TX antenna type Mfrs designation FREQ01 Test frequency (MHz) TMOD01 TX Modulation per TSB-887, if available; otherwise per ITU-R Radio Regs5 D TPTN01 File name

31、of TX antenna pattern file TERP01 TX Effective Radiated Power (W) TXPO01 TX Power Output (W) TFLT01 TX External Filter Loss (W) TLNTnn Line Type (could be more than one line between TX and ant) TLLGnn Line Length (meters) TLNLnn Line Loss (dB per 100 meters) TPANnn Power to base of antenna (W) TAGL0

32、1 Antenna Height (meters AGL) T TMTA01 Antenna mechanical tilt angle (deg) T TMTZ01 Antenna mechanical tilt azimuth ( true) RAHT01 RX Antenna Height (meters AGL) RATP01 RX Antenna Type Mfrs designation RDBD01 RX Antenna Gain (dBd) RLNT01 RX Line Type RLNL01 RX Line length (meters) RLLT01 RX Line Los

33、s (dB total) RENV01 RX Antenna Environment Description File name RECT01 RX Type (Make, Model) RECB01 RX Bandwidth (Hz) RECD01 RX Detector (Peak, Quasi Peak, RMS, True RMS) CALA01 RX Calibration accuracy ( dB) CALD01 Days since RX calibration GPHE01 95 th%ile Horizontal GPS error (meters) GPVE01 95 t

34、h%ile Vertical GPS error (meters) SUPP01 File name of supplemental data file DRFM01 Data Record Format: “S” for Short, “L” for Long NFQT01 Total number of frequencies measured *In the “Req” field: (No Mark) = Optional Field “” = Always Required “D” = Required if antenna is directional in the horizon

35、tal plane “M”= Required if antenna is mounted on the side of a metallic structure “T” = Required if the antenna is mechanically tilted *A single geodetic datum shall be used for all measurements and for the site coordinates Version of this standard with which the file complies, expressed as the entire standard number; e.g. TIA-845-A-1 ”S” is either “+” (northern and eastern hemispheres) or “-“ (southern and western hemispheres)