A system includes a phased array antenna that is used to emulate antennas that have larger solid angle coverage and lower gain compared to a single beam of the phased array antenna. This is achieved by switching between beams of the phased array antenna while receiving a wireless communication signal and summing representations of signal energy received using the different beams. The system can be used to narrow down the angular coordinates of a transmitting satellite by emulating antenna patterns that cover portions of a search space. The system can also be used to determine a channel discriminator (e.g., frequency, code, time slot) that defines a signal being transmitted.

In some examples a method includes receiving, with an Access Point (AP), a request from a wireless device to access a network through the AP; determining, with the AP via beamforming of a fixed antenna array of the AP, whether an angle of the wireless device relative to the fixed antenna array is within a first predetermined range; determining, with the AP, whether a received signal strength between the AP and the wireless device is within a second predetermined range; and granting, with the AP, the wireless device access to a network through the AP when it is determined that the angle of the wireless device relative to the fixed antenna array is within the first predetermined range and the received signal strength is within the second predetermined range.

A transmit antenna system configured to steer an electromagnetic beam includes an antenna and an electronic steering module. The antenna includes a first electric antenna element oriented parallel to a first plane, a second electric antenna element oriented orthogonally to the first electric antenna element and parallel to the first plane, and a first magnetic antenna element oriented orthogonally to the first electric antenna element and the second electric antenna element. The electronic steering module is in electrical communication with each of the first electric antenna element, the second electric antenna element, and the first magnetic antenna element. The electronic steering module includes at least one amplifier configured to control the amplitude of a current to each of the first electric antenna element, the second electric antenna element, and the first magnetic antenna element.

A multimode tracking device includes a line of site (LOS) antenna; an LOS modem for communicating with other multimode tracking devices and for measuring power of a received signal; a satellite antenna; a satellite modem for communicating with a satellite for receiving and sending text messages, data and commands to and from external devices including a tracking and locating system; a Bluetooth or WiFi Direct interface for communicating with external mobile devices; an inertia measurement unit for providing motion tracking information; a user interface for interfacing with a user; and a processor for generating and displaying a line of bearing to the target on the display, based on the measured power and the motion tracking information. The multimode tracking device tracks assets and personnel and sends/receives text messages, data and commands to/from external devices both over the horizon via the satellite and locally via the LOS modem.

A multimode tracking device includes a line of site (LOS) antenna; an LOS modem for communicating with other multimode tracking devices and for measuring power of a received signal; a satellite antenna; a satellite modem for communicating with a satellite for receiving and sending text messages, data and commands to and from external devices including a tracking and locating system; a Bluetooth or WiFi Direct interface for communicating with external mobile devices; an inertia measurement unit for providing motion tracking information; a user interface for interfacing with a user; and a processor for generating and displaying a line of bearing to the target on the display, based on the measured power and the motion tracking information. The multimode tracking device tracks assets and personnel and sends/receives text messages, data and commands to/from external devices both over the horizon via the satellite and locally via the LOS modem.

Apparatuses and methods for determining the perspective of a receiver of a transmission from the transmitting station are disclosed. The receiver may determine an angle of arrival of the transmission. The angle of arrival may be used to generate perspective information, which may then be transmitted to the transmitting station for use in enhancing recognition and detection of the receiver. In embodiments, the perspective information may comprise an image or images of the receiver generated from a model of the receiver. In embodiments, the transmission may be a millimeter wave transmission.

Apparatuses and methods for determining the perspective of a receiver of a transmission from the transmitting station are disclosed. The receiver may determine an angle of arrival of the transmission. The angle of arrival may be used to generate perspective information, which may then be transmitted to the transmitting station for use in enhancing recognition and detection of the receiver. In embodiments, the perspective information may comprise an image or images of the receiver generated from a model of the receiver. In embodiments, the transmission may be a millimeter wave transmission.

A method of direction finding (DF) positioning in a wireless location area network (WLAN) is proposed. A multiple antenna IEEE 802.11 transmitting device can transmit signal preamble containing multiple Long Training Field (LTF) symbols in a radio frame from multiple antennas simultaneously, which allows a receiving device to resolve multiple DF sounding signals transmitted from the multiple antennas. As a result, angle of departure (AoD) of the transmitting device can be estimated by using the multiple resolved DF sounding signals from each antenna for DF positioning purpose.

A method of direction finding (DF) positioning in a wireless location area network (WLAN) is proposed. A multiple antenna IEEE 802.11 transmitting device can transmit signal preamble containing multiple Long Training Field (LTF) symbols in a radio frame from multiple antennas simultaneously, which allows a receiving device to resolve multiple DF sounding signals transmitted from the multiple antennas. As a result, angle of departure (AoD) of the transmitting device can be estimated by using the multiple resolved DF sounding signals from each antenna for DF positioning purpose.

Disclosed examples include a radar system that operates in a first mode and a second mode. In the first mode, the system detects the presence of an object within a threshold range. In response to detection of the presence of the object, the system transitions to the second mode, and the system generates range data, velocity data, and angle data of the object in the second mode. When the object is no longer detected within the threshold range, the system transitions back to the first mode.