Abstract: A radio transmission system and method routes incoming user signals to at least one radio equipment that is eligible to handle the user signal. The average user population and rate of change of user population for each radio equipment are calculated by control circuitry monitoring a plurality of radio equipment. A ceiling threshold and user population threshold are initially established for each of the radio equipment. As users are admitted to the system, incoming user signals are routed to a radio equipment selected from eligible radio equipment. The radio equipment deemed eligible are those which have current user population below their population thresholds and population thresholds adequately below their ceiling thresholds. Incoming user signals are routed to at least one selected radio equipment based on the average user population and rate of change of user population of the radio equipment of the system.

Abstract: A beam on demand antenna system and method for automatically allocating amplifiers and antennas to various sectors of a wireless communication system to meet the capacity demands of the sectors. The transmission power levels of equipment assigned to the sectors are monitored by a controller which switches equipment amongst the various sectors such that the sectors operate at or below a power threshold established by the system provider of the communication system or by the manufacturer of the antenna system.

Abstract: A power converter embodying the principles of the invention, and having a positive and negative output utilizes a single magnetic amplifier controller to control two saturable inductor cores utilized to regulate the positive and negative outputs by modulating the positive and negative pulse output of the power converter transformer. The magnetic amplifier controller monitors and sums the two voltage outputs and derives an offset from average representative output signal. This offset from average representative output signal is compared with a reference signal to derive an error signal. A current responsive to the error signal is generated and utilized to periodically reset the two saturable inductor cores and regulate the positive and negative output voltages.

Abstract: A DC to DC converter combines a half-bridge inverter with a resonant rectifier through a series LC circuit which conducts power at substantially a single frequency. Energy stored in the parasitic capacitors of the two power switches are transferred from one parasitic capacitor to the other in order to enhance efficiency of operation. The transfer is controlled by controlling the relative phase between the voltage and current in the inverter section.

Abstract: A static electromagnetic frequency changer utilizes linear inductances and capacitances and a saturable reactance to generate subharmonic frequencies. The magnetic components of the circuit are designed to be combined on a single magnetic structure. The frequency changer is rendered relatively insensitive to slight changes in the frequency and amplitude of the driving signal through the inclusion of a feedback winding.