Abstract: A method of determining the location of a physical object using a passive radar receiver includes determining if a transmitter beam sweeping period (TBSP) is known, and executing a TBSP-based receiver beam sweeping if the TBSP is known. If the TBSP is not known, determining if the TBSP can be measured, and executing the TBSP-based beam sweeping if the TBSP can be measured. The method includes executing a random receiver beam sweeping if the TBSP is not known and cannot be measured. The method includes determining a relative time of arrival of radio signals between the LoS path and the target path, and determining the propagation times on the LoS path and on the target path. The method includes determining the location of the physical object using the propagation times.

Abstract: A method for wireless communication includes assigning a first channel and a first bandwidth to a plurality of first links formed by user equipment (UEs) communicating with access points (APs) in the mesh network. The method further includes assigning a second bandwidth to a plurality of second links formed by the APs communicating with one another, wherein the second links are assigned different channels. The method also includes acquiring link data from the UEs and determining if mesh rate requirements are met with the assigned first bandwidth and the first channel. The method also includes determining a minimum bandwidth required for the first links and assigning the minimum bandwidth if mesh rate requirements are met. The method also includes assigning a second channel to the first links if mesh rate requirements are not met.

Abstract: A method for determining a route from a mesh network to an external network includes identifying route segments from a user equipment (UE) to the external network. The route segments comprise at least a first route segment from the UE to a first mesh access point (AP), a second route segment from the first mesh AP to the external network through a wide area cellular wireless network (WACWN), and a third route segment from the first mesh AP to the external network through an alternative network. The method further includes determining respective bandwidth of at least the first, second and third route segments and selecting the route based on the bandwidth of the first, second and third route segments, wherein the route comprises at least two of the route segments. The method also includes routing data between the UE and the external network via the selected route.

Abstract: A wireless transmitter includes a signal processing circuit configured to generate a plurality of first and second spatial streams signals. The transmitter includes a frequency shift circuit configured to selectively apply different frequency shifts to the first and second spatial streams signals. A wireless receiver includes a frequency shift circuit configured to selectively apply different frequency shifts to the received first and second spatial streams signals. The receiver also includes a signal processing circuit configured to process the first and second frequency shifted signals.

Abstract: A method of wireless communication includes receiving a plurality of parameter values at a user equipment (UE) using a first local oscillator (LO) frequency value, where the plurality of parameter values includes indications of a downlink frequency channel and an uplink frequency channel. The method further includes determining a second LO frequency value at the UE, where the second LO frequency value is determined using the indications of downlink and uplink frequency channels. The method further includes receiving downlink signals from an associated base station using the second LO frequency value.

Abstract: A method of wireless communication includes receiving a plurality of parameter values at a user equipment (UE) using a first local oscillator (LO) frequency value, where the plurality of parameter values includes indications of a downlink frequency channel and an uplink frequency channel. The method further includes determining a second LO frequency value at the UE, where the second LO frequency value is determined using the indications of downlink and uplink frequency channels. The method further includes receiving downlink signals from an associated base station using the second LO frequency value.

Abstract: Methods and systems for channel mapping in a densely deployed network are disclosed. The system includes a node comprising a plurality of base stations configured to communicate with client devices in a wireless communication network, wherein transmission from the base stations to the client devices is conducted on a downlink (DL) frequency band and transmission from the client devices to the base stations is conducted on an uplink (UL) frequency band. The DL frequency band is different from the UL frequency band. DL and UL frequency pairs for the base stations are assigned according to a channel mapping scheme that determines DL and UL frequency pairs based on a plurality of channel parameters. The channel parameters include, for example, received signal strength indicator (RSSI), signal to noise (S/N) ratio, channel capacity, and bit error rate (BER).

Abstract: Methods and systems for channel mapping in a densely deployed network are disclosed. The system includes a node comprising a plurality of base stations configured to communicate with client devices in a wireless communication network, wherein transmission from the base stations to the client devices is conducted on a downlink (DL) frequency band and transmission from the client devices to the base stations is conducted on an uplink (UL) frequency band. The DL frequency band is different from the UL frequency band. DL and UL frequency pairs for the base stations are assigned according to a channel mapping scheme that determines DL and UL frequency pairs based on a plurality of channel parameters. The channel parameters include, for example, received signal strength indicator (RSSI), signal to noise (S/N) ratio, channel capacity, and bit error rate (BER).

Abstract: Methods and systems for channel mapping in a densely deployed network are disclosed. The system includes a node comprising a plurality of base stations configured to communicate with client devices in a wireless communication network, wherein transmission from the base stations to the client devices is conducted on a downlink (DL) frequency band and transmission from the client devices to the base stations is conducted on an uplink (UL) frequency band. The DL frequency band is different from the UL frequency band. DL and UL frequency pairs for the base stations are assigned according to a channel mapping scheme that determines DL and UL frequency pairs based on a plurality of channel parameters. The channel parameters include, for example, received signal strength indicator (RSSI), signal to noise (S/N) ratio, channel capacity, and bit error rate (BER).

Abstract: Systems and methods enable wireless devices to measure interference and allow coexistence by preventing transmission on bands that are currently in use by other devices.

Abstract: A method for determining a route from a mesh network to an external network includes identifying route segments from a user equipment (UE) to the external network. The route segments comprise at least a first route segment from the UE to a first mesh access point (AP), a second route segment from the first mesh AP to the external network through a wide area cellular wireless network (WACWN), and a third route segment from the first mesh AP to the external network through an alternative network. The method further includes determining respective bandwidth of at least the first, second and third route segments and selecting the route based on the bandwidth of the first, second and third route segments, wherein the route comprises at least two of the route segments. The method also includes routing data between the UE and the external network via the selected route.

Abstract: A wireless communications system includes an outside module configured to communicate with a radio base station. The outside module includes a wireless power receiver. The system includes an inside module configured to communicate with the outside module and to communicate with a communications device. The inside module includes a wireless power transmitter configured to wirelessly transmit power to the outside module.

Abstract: A method of wireless communication includes receiving a plurality of parameter values at a user equipment (UE) using a first local oscillator (LO) frequency value, where the plurality of parameter values includes indications of a downlink frequency channel and an uplink frequency channel. The method further includes determining a second LO frequency value at the UE, where the second LO frequency value is determined using the indications of downlink and uplink frequency channels. The method further includes receiving downlink signals from an associated base station using the second LO frequency value.

Abstract: A wireless access point is configured to communicate in millimeter wave frequency bands in the downlink direction and in sub-6 GHz frequency bands in the uplink direction. The wireless access point includes a signal processing circuit configured to generate different spatial streams signals and a frequency shift circuit configured to apply different frequency shifts to the different spatial streams signals. The wireless access point includes a mixer driven by a local oscillator, which up-converts the frequency shifted signals to millimeter wave frequency band signals, wherein the millimeter wave frequency band signals are transmitted by a MIMO transmit antenna array. A wireless communication device applies different frequency shifts to the different spatial streams signals after down-converting the signals received at a higher millimeter wave frequency to a lower frequency below 6 GHz.

Abstract: Systems and methods enable wireless devices to measure interference and allow coexistence by preventing transmission on bands that are currently in use by other devices.

Abstract: Methods and systems for correcting carrier frequency offsets (CFOs) in a wireless transceiver are disclosed. The method includes receiving a first predetermined number of data packets and analyzing the first predetermined number of data packets to determine one or more wireless link quality metrics. The method includes adjusting a local oscillator in accordance with a first local oscillator adjustment strategy. The method includes receiving a second predetermined number of data packets and analyzing the second predetermined number of data packets to determine the one or more wireless link quality metrics. The method includes repeating the first local oscillator adjustment strategy if the wireless link quality metrics improve. The method includes changing to a second local oscillator adjustment strategy if the wireless link quality metrics worsen and adjusting the local oscillator in accordance with the second local oscillator adjustment strategy.

Abstract: Methods and systems for multiplexing downlink and uplink data on widely spaced frequencies are disclosed. The method of multiplexing downlink and uplink data packets for providing wireless broadband link between a base station and a plurality of client devices includes transmitting a first data packet by the base station to a first client device at a downlink frequency during a first time interval. The method includes receiving a second data packet by the base station from a second client device at an uplink frequency during a second time interval, wherein the base station concurrently transmits at least a portion of the first data packet to the first client device and receives at least a portion of the second data packet from the second client device, and wherein there is a wide separation between the downlink frequency and the uplink frequency.

Abstract: Methods and systems for correcting carrier frequency offsets (CFOs) in a wireless transceiver are disclosed. The method includes receiving a first predetermined number of data packets and analyzing the first predetermined number of data packets to determine one or more wireless link quality metrics. The method includes adjusting a local oscillator in accordance with a first local oscillator adjustment strategy. The method includes receiving a second predetermined number of data packets and analyzing the second predetermined number of data packets to determine the one or more wireless link quality metrics. The method includes repeating the first local oscillator adjustment strategy if the wireless link quality metrics improve. The method includes changing to a second local oscillator adjustment strategy if the wireless link quality metrics worsen and adjusting the local oscillator in accordance with the second local oscillator adjustment strategy.

Abstract: Methods and systems for multiplexing downlink and uplink data on widely spaced frequencies are disclosed. The method of multiplexing downlink and uplink data packets for providing wireless broadband link between a base station and a plurality of client devices includes transmitting a first data packet by the base station to a first client device at a downlink frequency during a first time interval. The method includes receiving a second data packet by the base station from a second client device at an uplink frequency during a second time interval, wherein the base station concurrently transmits at least a portion of the first data packet to the first client device and receives at least a portion of the second data packet from the second client device, and wherein there is a wide separation between the downlink frequency and the uplink frequency.

Abstract: Methods and systems for channel mapping in a densely deployed network are disclosed. The system includes a node comprising a plurality of base stations configured to communicate with client devices in a wireless communication network, wherein transmission from the base stations to the client devices is conducted on a downlink (DL) frequency band and transmission from the client devices to the base stations is conducted on an uplink (UL) frequency band. The DL frequency band is different from the UL frequency band. DL and UL frequency pairs for the base stations are assigned according to a channel mapping scheme that determines DL and UL frequency pairs based on a plurality of channel parameters. The channel parameters include, for example, received signal strength indicator (RSSI), signal to noise (S/N) ratio, channel capacity, and bit error rate (BER).