基站双向塔放系统增强GSM旌旗灯号笼罩(国外英文资料).docVIP

基站双向塔放系统增强GSM信号覆盖(国外英文资料) The base stations bi-directional tower system enhances the GSM signal coverage news The city field technology Exhibition will Designed bar Learning institute The yellow pages policy The focal point Cross flow People only The guided navigation Shang city English The keyword The enterprise directory communication mall website news technology market Enterprise technology news │ │ │ │ private network communication project analysis recommended article overseas Courier column │ │ │ award-winning paper experts communication society Data communication │ │ communication power supply for mobile communications cable │ │ communication exchange equipment │ │ │ to testing instruments video communication optical fiber communication │ │ │ │ satellite communication access system telecom network back to the home page The C114 homepage technology body this week (the yellow pages are hidden from the sight of huge business opportunities) - 7/2 The base station bi-directional tower system enhances the GSM signal to cover 2004-6-1 Correspondents party - the MOTOROLA engineering school wireless BBS Zunyi branch of guizhou mobile communication co., LTD With the rapid development of Chinas mobile communications business, mobile users are constantly increasing, and cell planning is smaller and smaller, base station position is more and more low; Along with the city construction, on the other hand, high-level, high-rise buildings are constantly emerging, because of the shadow of the wireless communication effect, behind the high-rise building or intermediate often form mobile communication signal blind area. For GSM network coverage, there is an outstanding contradiction between the coverage and capacity of the base station in the rural areas. Mainly displays in the capacity and coverage is insufficient, lead to a large number of rural areas by a single carrier frequency of the base station, the vast rural areas, the base station often using elevated (rod) tower, l