A green energy-saving software, using off the carrier frequency, time slot off, off-channel technology, effectively reduce the static power consumption more than 60%, significantly reducing the energy consumption of a low traffic time, avoid unnecessary waste of energy . Up and down the line input signal by detecting the slot power to determine whether the slot is occupied, if the slot is occupied open the amplifier bias voltage up and down the line, not occupied, then shut down the power amplifier bias voltage, controlled by the dynamic PA working hours, direct and effective to reduce the power consumption of the repeater, but also reduces the heat slowed the repeater main components of the aging rate, extend equipment life.
Second, the multi-carrier power amplifiers (MCPA Multi-Carrier Power Amplifier, MCPA), in which the ideal software radio emission direction in the synthesis of the multiple-carrier signal all the way through post-conversion, with a mixture of MCPA on the broadband analog signal low noise amplification. MCPA using the latest enhanced Doherty amplifier chip and high power amplifier technology to suppress a large number of unwanted intermodulation carrier, the power amplifier efficiency from 25% in 2008 to 35% raise in 2011 is expected to reach 45% or more.
Third, to improve power conversion efficiency, the total power high-efficiency machine switching power supply, reducing power consumption; machine internal circuits are all modules in the high-efficiency switching power supply; in equipment selection and design of power among the great importance to the power conversion efficiency, from the original a conventional 82% to 92% now, so as to achieve low-power purposes.
Fourth, the small design, multi-carrier density and broadband technology to achieve a single RF module supports 4-6 carriers, the same capacity under the repeater smaller, lighter, lower standby power and other ancillary requirements. The whole volume can be reduced to one-half the original volume to a quarter, saving aluminum shell material, reducing the amount of rare metals; streamline passives silver plating, silver material savings, reduce environmental pollution; reduce internal feeder link, save the copper.
First, if a whole power station equipment using the original cell phone repeater150W high efficiency power supply, the existing power consumption of 133W, 149 degrees for one year to save electricity.
Second, the strategy of using the time period used for most of the output power and other means to reduce energy saving purposes. For example: the mountains at night, sports venues and other characteristics of a tidal area. To 20W power equipment, for example, during the day and 12 hours maximum power output of 5W output at 12 hours.
Typical applications: beautify one machine
Rainbow letter communication "green energy-repeater" is small, flexible and easy installation, low power consumption, heat and low. The user's air conditioning outdoor unit for outdoor antenna installation location, the received signal through the introduction of soft jumpers to indoor host, green energy-repeater antenna placed on the landscaping within the composition of "beautifying one machine" in order to host the indoor air near the "beautification one machine, "the installation site. Signal to resolve the complaint blind mobile user, but can not be covered or high cost of traditional indoor scenes.
Second, application of new energy, energy conservation is all around us. China Mobile's Green Action Plan in the energetic efforts, with the new technology continues to mature, and equipment designed to optimize, rainbow letters Communications launched a full range of market-oriented, low-power DC repeater equipment equipped with "solar , "" wind, "" wind "green power supply system for China Mobile to reduce network construction and operation costs while creating green networks.
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