A transceiver for supporting multiple beam architectures in a wireless communication system, the transceiver comprising: an antenna array including a plurality of antenna elements, the plurality of antenna elements being configured to support at least two beam architectures in a cell site, each beam architecture associated with a different configuration of sectors and beamforming signals, wherein a first beam architecture has a first number of sectors per cell site and a first number of beamforming signals per sector, and a second beam architecture has a second number of sectors per cell site and a second number of beamforming signals per sector, the second number of sectors being different from the first number of sectors and the second number of beamforming signals per sector being different from the first number of beamforming signals per sector, a plurality of baseband units, each baseband unit being associated with a different beam architecture and configured to generate baseband signals, each baseband signal corresponding to a different sector of the associated beam architecture, a plurality of beamformer units, each beamformer unit being associated with a different beam architecture, each beamformer unit configured to generate a number of beamforming signals, each beamforming signal including a plurality of radio-frequency signals corresponding to a sub-set of antenna elements of the plurality of antenna elements, wherein each beamformer unit is configured to generate a beamforming signal for a particular sector based on beamforming coefficients and a baseband signal received from a respective baseband unit, and each beamforming coefficient corresponding to a different antenna element in the sub-set, wherein at least two beamforming signals generated from one beamformer unit use at least two of the same antenna elements in the sub-set, a plurality of RF modulation units, each RF modulation unit configured to modulate the RF signals from a respective beamformer unit to a different frequency band, a summation unit configured to sum the modulated RF signals from the plurality of RF modulation units for transmission over the plurality of antenna elements. an antenna array including a plurality of antenna elements, the plurality of antenna elements being configured to support at least two beam architectures in a cell site, each beam architecture associated with a different configuration of sectors and beamforming signals, wherein a first beam architecture has a first number of sectors per cell site and a first number of beamforming signals per sector, and a second beam architecture has a second number of sectors per cell site and a second number of beamforming signals per sector, the second number of sectors being different from the first number of sectors and the second number of beamforming signals per sector being different from the first number of beamforming signals per sector, a plurality of baseband units, each baseband unit being associated with a different beam architecture and configured to generate baseband signals, each baseband signal corresponding to a different sector of the associated beam architecture, a plurality of beamformer units, each beamformer unit being associated with a different beam architecture, each beamformer unit configured to generate a number of beamforming signals, each beamforming signal including a plurality of radio-frequency signals corresponding to a sub-set of antenna elements of the plurality of antenna elements, wherein each beamformer unit is configured to generate a beamforming signal for a particular sector based on beamforming coefficients and a baseband signal received from a respective baseband unit, and each beamforming coefficient corresponding to a different antenna element in the sub-set, wherein at least two beamforming signals generated from one beamformer unit use at least two of the same antenna elements in the sub-set, a plurality of RF modulation units, each RF modulation unit configured to modulate the RF signals from a respective beamformer unit to a different frequency band, a summation unit configured to sum the modulated RF signals from the plurality of RF modulation units for transmission over the plurality of antenna elements.