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1、HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.The solution for the metro coverage Internal Use Only2009-09-01HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.The backgroun
2、d for metro construction2023/1/21Text in heremetroComfortableTimelessEconomic and social significantLots of blind spot Exist doppler effect Quality of signal is badly in high-speedHONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES
3、 CO.,LTD.The metro coverage 2023/1/21More and more userSeamless convergeHigh quality of the signalEliminate the blind area Satisfy the customer requirementsThe effect of metro coverageHONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLO
4、GIES CO.,LTD.The wireless environment of the tunnel2023/1/21Almost all kinds of wireless signals inside the tunnel are in the blind areaA larger flow of people inside the metro,so there will be more higher trafficIt is easy to great the fast declineThe signal of metro is very cuteTrain cars will cau
5、se the shielding of the wireless signalHONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.The wireless environment of the platformAlmost all kinds of wireless signals inside the platform are in the blind areaThere are diff
6、erent numbers of people in different station,so also have different traffic in different placeThe signal of metro is very cuteThe signal will cause a more severe decline inside the trains when the train stops2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,L
7、TD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.The wireless environment of waiting roomAlmost all kinds of wireless signals inside the metro are in the blind areaThe signal of metro is very cuteThe walls of the working area block the signal very serious2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,
8、LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.The wireless environment of exit tunnelThe signal is very unstable for the long tunnel2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOL
9、OGIES CO.,LTD.SolutionSolutionDistinguishUplink and DownlinkTunnel coveragePlatformcoverageExit coverageHONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.SolutionDistinguish Uplink and DownlinkFor the reason that
10、 there are so many wireless signals in themetro,if every operator use own system,it will lead to duplication ofoperator use own system,it will lead to duplication ofinvestments,and have a big influence to the project construction.investments,and have a big influence to the project construction.So we
11、 often use the way that more operators to share one So we often use the way that more operators to share one Antenna feedersystem.system.2023/1/21Repeater or micro cellDistribution Solution Differentoperators+HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGX
12、IN COMMUNICATION TECHNOLOGIES CO.,LTD.SolutionTunnel coverageBase on the wireless environment of tunnel,for the special influence for thesignal,there will be a fast decline When the signal transmit in the tunnel,But if we use the direction antenna,we still can not solve the fast decline.Thesesituati
13、on will case the unstable of the signal,and there will be the hugeinfluence when the train pass by.So we use the leak cable do the distributesystem for the metro.2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.
14、SolutionThe coverage of the platformFor the reason that the platform with the tunnel in the some plate,wedo not do the coverage to the platform in the normal situation,butwhen there are big obstacles in the platform,we should use the leak cable dothe coverage2023/1/21HONGXIN COMMUNICATION TECHNOLOGI
15、ES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.SolutionThe coverage of exittunnelWe use the leak cable or direction antenna do the coverage to the long tunnel we use the ceiling antenna do the coverage to the short tunnel2023/1/21HONGXIN COMMUNICATIO
16、N TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.SolutionThe coverage to the waiting roomLeak cable Antenna array2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.Sketch map of the project2023/1/21CouplerMasterSlaverLeak cableMasterSlaverOptical cableHONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.Thank You!http:/2023/1/21HONGXIN COMMUNICATION TECHNOLOGIES CO.,LTD.