Abstract: An arrangement for determining a connected state of an antenna component with another component, such as a base unit of remote access unit in a wireless distribution system. The arrangement can include a filter block integrated into an antenna base unit that incorporates all or a part of a circuit configured to determine the connected state. The filter block can be a cavity filter block that provides a DC current path across the block.

Abstract: Embodiments disclosed include multi-band monopole planar antennas configured to facilitate radio frequency (RF) isolation in multiple-input multiple-output (MIMO) antenna arrangement. In one aspect, a multi-band monopole planar antenna is provided and configured to generate a slant 45° radiation polarization in the lower frequency band. As a result, sufficient RF isolation may be achieved in the lower frequency band when a plurality of dual-band monopole planar antennas is placed in the MIMO arrangement. In another aspect, the multi-band monopole planar antenna is configured not to support certain unused RF bands, thus facilitating height reduction in the multi-band monopole planar antenna. By configuring the dual-band monopole planar antenna to generate the slant-45 radiation polarization in the lower frequency band, a plurality of the multi-band monopole planar antennas may be placed in close proximity to each other to support MIMO operation without compromising RF performance.

Abstract: Embodiments of the disclosure relate to activating an interference signal rejection filter path based on detection of an interference signal in a wireless distribution system (WDS). In this regard, in one aspect, a filter path selection circuit is configured to activate an interference rejection filter path configured to suppress a predefined interference signal when the predefined interference signal is detected in a received radio frequency (RF) signal. In another aspect, the filter path selection circuit is configured to detect the predefined interference signal by comparing a measured power level of the predefined interference signal against a predefined power threshold. By activating the interference rejection filter path to suppress the predefined interference signal based on detection of the predefined interference signal, it is possible to dynamically respond to the predefined interference signal that may randomly appear in the WDS, thus providing an enhanced overall RF performance in the WDS.

Abstract: Embodiments of the disclosure relate to activating an interference signal rejection filter path based on detection of an interference signal in a wireless distribution system (WDS). In this regard, in one aspect, a filter path selection circuit is configured to activate an interference rejection filter path configured to suppress a predefined interference signal when the predefined interference signal is detected in a received radio frequency (RF) signal. In another aspect, the filter path selection circuit is configured to detect the predefined interference signal by comparing a measured power level of the predefined interference signal against a predefined power threshold. By activating the interference rejection filter path to suppress the predefined interference signal based on detection of the predefined interference signal, it is possible to dynamically respond to the predefined interference signal that may randomly appear in the WDS, thus providing an enhanced overall RF performance in the WDS.

Abstract: An arrangement for determining a connected state of an antenna component with another component, such as a base unit of remote access unit in a wireless distribution system. The arrangement can include a filter block integrated into an antenna base unit that incorporates all or a part of a circuit configured to determine the connected state. The filter block can be a cavity filter block that provides a DC current path across the block.

Abstract: Embodiments disclosed include multi-band monopole planar antennas configured to facilitate radio frequency (RF) isolation in multiple-input multiple-output (MIMO) antenna arrangement. In one aspect, a multi-band monopole planar antenna is provided and configured to generate a slant 45° radiation polarization in the lower frequency band. As a result, sufficient RF isolation may be achieved in the lower frequency band when a plurality of dual-band monopole planar antennas is placed in the MIMO arrangement. In another aspect, the multi-band monopole planar antenna is configured not to support certain unused RF bands, thus facilitating height reduction in the multi-band monopole planar antenna. By configuring the dual-band monopole planar antenna to generate the slant-45 radiation polarization in the lower frequency band, a plurality of the multi-band monopole planar antennas may be placed in close proximity to each other to support MIMO operation without compromising RF performance.

Abstract: Embodiments of the disclosure relate to activating an interference signal rejection filter path based on detection of an interference signal in a wireless distribution system (WDS). In this regard, in one aspect, a filter path selection circuit is configured to activate an interference rejection filter path configured to suppress a predefined interference signal when the predefined interference signal is detected in a received radio frequency (RF) signal. In another aspect, the filter path selection circuit is configured to detect the predefined interference signal by comparing a measured power level of the predefined interference signal against a predefined power threshold. By activating the interference rejection filter path to suppress the predefined interference signal based on detection of the predefined interference signal, it is possible to dynamically respond to the predefined interference signal that may randomly appear in the WDS, thus providing an enhanced overall RF performance in the WDS.

Abstract: A protection circuit may be configured for detecting electrical power of downlink radio frequency (RF) signals, and diverting a substantial portion of the downlink RF signals away from a downlink RF interface of a distributed antenna system DAS in response to the detected electrical power being equal to or greater than a predetermined electrical power. The downlink RF signals diverted away from the downlink RF interface may be routed to an electrical load. The protection circuit may include hysteresis.

Abstract: A protection circuit may be configured for detecting electrical power of downlink radio frequency (RF) signals, and diverting a substantial portion of the downlink RF signals away from a downlink RF interface of a distributed antenna system DAS in response to the detected electrical power being equal to or greater than a predetermined electrical power. The downlink RF signals diverted away from the downlink RF interface may be routed to an electrical load. The protection circuit may include hysteresis.