A7.3.4.2-4 Speed scenarios in XIN FENG ZHEN area Scenarios Common speed ( km/h) High-speed (km/h) Line <200 200~350 Normal station 0~60 0 Shunting yard 0~30 0 Maintenance base 0 0 A7.3.4.3 Service environments (SEs) A7.3.4.2-5 Identification of service environments in XIN FENG ZHEN area Tele density Normal station/ High-speed Shunting yard Common speed Line Service Maintenance base Line usage pattern public area SE1 SE2 SE3 SE4 train/trackside (voice, data) (voice, data) data) data) indoor A7.3.4.4 Consideration of Spectrum Efficiency According to the field test results in high-speed railway (ZTE Corporation 450 MHz LTE system), the spectrum efficiency of uplink and downlink is about 1.2 bit/s/Hz and 1.95 bit/s/Hz at 250 km/h, respectively. Considering spectrum efficiency would vary with the speeds and operation environments, China provides an estimated spectrum efficiency matrix used for this study (see Table A7.3.4.4-1). A7.3.4.4-1 Spectrum efficiency consideration (uplink/downlink) in different SEs Tele density Normal station/ Shunting yard High-speed Line Common Line usage Maintenance base pattern Uplink 1.561.95 0.961.2 1.121.4 1.521.9 Downlink 2.0~2.5 1.6~2.0 1.76~2.2 1.84~2.3 A7.3.5 Result of the study This subsection gives a brief description of the calculation procedure and provides the relevant calculation table. It is assumed that a wide area network would be deployed below 1 GHz in order to reduce the number of necessary cell sites.
A7.3.4.2-4 Speed scenarios in XIN FENG ZHEN area Scenarios Common speed ( km/h) High-speed (km/h) Line <200 200~350 Normal station 0~60 0 Shunting yard 0~30 0 Maintenance base 0 0 A7.3.4.3 Service environments (SEs) A7.3.4.2-5 Identification of service environments in XIN FENG ZHEN area Tele density Service usage pattern Shunting yard Normal station/ Maintenance base High-speed Line Common speed Line public area SE1 (voice, data) SE2 (voice, data) train/trackside SE3 data) SE4 data) indoor A7.3.4.4 Consideration of Spectrum Efficiency According to the field test results in high-speed railway (ZTE Corporation 450 MHz LTE system), the spectrum efficiency of uplink and downlink is about 1.2 bit/s/Hz and 1.95 bit/s/Hz at 250 km/h, respectively. Considering spectrum efficiency would vary with the speeds and operation environments, China provides an estimated spectrum efficiency matrix used for this study (see Table A7.3.4.4-1). A7.3.4.4-1 Spectrum efficiency consideration (uplink/downlink) in different SEs Tele density usage pattern Shunting yard High-speed Line Common Line Normal station/ Maintenance base Uplink 1.561.95 0.961.2 1.121.4 1.521.9 Downlink 2.0~2.5 1.6~2.0 1.76~2.2 1.84~2.3 A7.3.5 Result of the study This subsection gives a brief description of the calculation procedure and provides the relevant calculation table. It is assumed that a wide area network would be deployed below 1 GHz in order to reduce the number of necessary cell sites.
R15-WP5A-C-0650!N17!MSW-E.docx