Techniques are provided for positioning of a mobile device in a wireless network using directional positioning reference signals (PRS), also referred to as PRS beamforming. In an example method, a plurality of directional PRSs are generated for at least one cell for a base station, such that each of the plurality of directional PRSs comprises at least one signal characteristic and a direction of transmission, either or both of which may be distinct or unique. The plurality of directional PRSs is transmitted within the at least one cell, such that each of the plurality of directional PRSs is transmitted in the direction of transmission. A mobile device may acquire and measure at least one of the directional PRSs which may be identified using the associated signal characteristic. The measurement may be used to assist position methods such as OTDOA and ECID and to mitigate multipath.

Systems and methods to facilitate location determination by beamforming of a positioning reference signal

The invention discloses an intelligent network-connected automobile operation system based on vehicle-road collaboration. The intelligent networked automobile operation system comprises a high-precision map platform, a cloud control platform, a vehicle-mounted terminal platform, a vehicle-mounted computing platform and an information security platform. The high-precision map platform provides a real-time dynamic high-precision map; the cloud control platform and the vehicle-mounted terminal platform are subjected to cooperative management and control through a communication network; the cloudcontrol platform executes data storage, cloud computing and standardized data interconnection; the vehicle-mounted terminal platform executes information reporting; wherein the vehicle-mounted computing platform is connected with the vehicle-mounted terminal platform through the vehicle-mounted Ethernet, over-the-horizon perception data, map data, environment data and the like are obtained, a vehicle driving scheme is formulated through fusion calculation, and the cloud control platform, the vehicle-mounted terminal platform, the vehicle-mounted computing platform and the map platform are allprovided with safety monitors. Common basic services are provided for operation of the intelligent network connection automobile, and national and industrial development requirements are met.

An intelligent network-connected automobile operation system based on vehicle-road collaboration

A receiver, comprising includes an antenna (202) for a wireless communication with a transmitter and a signal processor (302, 306, 306) to receive and process a radio signal received at the antenna via a radio channel (400). The receiver constructs a codebook (212) including a plurality of sets of beamforming weights for a plurality of directions, the beamforming weights in the codebook (212) being based on a first antenna array response matrix (A(ϕ,θ),A(h)(ϕ,θ),A(v)(ϕ,θ)) of a transmitter antenna array (202, 304) of the transmitter, and the transmitter selecting a set of beamforming weights from the codebook (212) to form by the transmitter antenna array (202, 304) a transmit/receive beam pointing in a selected direction. The receiver calculates one or more characteristic matrices (G,G(h),G(v)) based on a model of the transmitter antenna array (202, 304) using (a) received position data of antenna elements of the transmitter antenna array and a preferred polarization of each antenna element, and/or (b) structural and/or geometrical data of the transmitter antenna array. The receiver constructs the codebook (212) using a second antenna array response matrix (D(ϕ,θ)) and the one or more calculated characteristic matrices (G,G(h),G(v)). The first antenna array response matrix (A(ϕ,θ),A(h)(ϕ,θ),A(v)(ϕ,θ)) contains, for a plurality of directions, first array response vectors of the transmitter antenna array (202, 304), the second antenna array response matrix (D(ϕ,θ)) contains, for one or more of the plurality of directions, second array response vectors of another antenna array, the other antenna array being different from the transmitter antenna array (202, 304), and the one or more characteristic matrices (G,G(h),G(v)) describing one or more characteristics of the transmitter antenna array (202, 304), and the first antenna array response matrix (A(ϕ,θ),A(h)(ϕ,θ),A(v)(ϕ,θ)) is modeled using the second antenna array response matrix (D(ϕ,θ)) and the one or more characteristic matrices (G,G(h),G(v)), each of the first array response vectors (α(ϕm,θn),α(h)(ϕm,θn),α(v)(ϕm,θn)) being a product of a characteristic matrix (G,G(h),G(v)) and a corresponding second array response vectorsd(ϕm,θn).

Antenna array codebook with beamforming coefficients adapted to an arbitrary antenna response of the antenna array

Systems, methods, and computer-readable media are provided for wireless sensor networks (WSNs), including sensor deployment mechanisms for road surveillance. Disclosed embodiments are applied to design roadside infrastructure with optimal perception for a given geographic area. The deployment mechanisms account for the presence of static and dynamic obstacles, as well as symmetry aspects of the underlying environment. The deployment mechanisms minimize the number of required sensors to reduce costs and conserve compute and network resources, and extended infrastructure the sensing capabilities of sensor networks. Other embodiments are disclosed and/or claimed.

Sensor network configuration mechanisms

An embodiment of a semiconductor package apparatus may include technology to establish communication between a first stationary unit and one or more vehicles, combine sensor data from the first stationary unit and at least one source outside the first stationary unit, generate an environmental map based on the combined sensor data, divide the environmental map into two or more map segments, and broadcast the two or more map segments. Other embodiments are disclosed and claimed.

Broadcasting map segments for individualized maps

A receiver (UE), which is located in a spatial region of interest (118) served by a transmitter (eNB 1 -eNB 3 ) of a wireless communication network, receives a radio signal from at least one transmitter (eNB 1 -eNB 3 ) of the wireless communication network, and the radio signal has a plurality of position reference signal (PRS) sequences. Each PRS sequence has associated therewith a different PRS sequence identifier, and each PRS sequence is send using a different beam cone (116) of the transmitter (eNB 1 -eNB 3 ). The beam cones (116) of the transmitter (eNB 1 -eNB 3 ) for sending the plurality of PRS sequences are directed to the spatial region of interest (118). The receiver (UE) processes the radio signal to estimate a time of arrival (TOA) of each PRS sequence and to obtain for each PRS sequence the associated PRS sequence identifier. A position of the receiver (UE) is estimated using the times of arrival and the obtained PRS sequence identifiers.

User equipment localization in a mobile communication network

An apparatus comprising a processor unit configured to provide a first high-definition map, a sensor unit configured for providing sensor data representing an environmental condition in a periphery of the apparatus and a receiver unit configured to receive data representing a second high-definition map. The processor unit is configured to fuse the second high-definition map and the sensor data so as to provide the first high-definition map. The apparatus further comprises a transmitter unit configured for transmitting a result of fusing the second high-definition map and the sensor data, and comprises a command generator unit configured to generate a command signal representing a vehicle control command for a vehicle carrying the apparatus based on the first high-definition map.

Generation and use of hd maps

A receiver (UE) has a plurality of antennas and receives a plurality of radio signals from a plurality of transmitters of different cells of a wireless communication network. Each radio signal has a position reference signal (PRS) sequence and is transmitted to the receiver (UE) via a radio channel including a plurality of path components. The receiver (UE) processes the radio signal to estimate for a path component the time of arrival (ToA) of the PRS sequence and to determine for a path component a path strength (PS) value of the PRS sequence. A position of the receiver (UE) is estimated using the ToAs and the PS values.

User equipment localization in a mobile communication network based on delays and path strengths

A transmitter comprises a 3-dimensional antenna array comprising a plurality of antenna elements, each antenna element having a radiation pattern, wherein the radiation patterns overlap with respect to each other The plurality of antenna elements is adapted for a coherent wireless communication in a wireless communication system The 3D-antenna array comprises a first and a second and a third antenna element spanning a 2- dimensional antenna plane, and comprising a fourth antenna element being arranged outside the 2-dimensional antenna plane; or the 3D-antenna array comprises a first antenna element being configured to direct a transmitted signal into a first direction, and comprising a second antenna element being configured to direct a transmitted signal into a second direction and not into the first direction The transmitter further comprises a precoder connected through the 3D-antenna array, to form one or more transmit beams and/or receive beams with the 3D-antenna array The beams point in directions of interest The precoder comprises a precoder matrix that is based on a beam-set matrix and a selection matrix and a power allocation matrix comprising power values that indicate a power to be allocated to the antenna elements of the 3D-antenna array The power allocation matrix is adapted to selectively adjust the transmit power of individual antenna elements

Grossmann Marcus

Papers

User equipment localization in a mobile communication network

Antenna array codebook with beamforming coefficients adapted to an arbitrary antenna response of the antenna array

Generation and use of hd maps

User equipment localization in a mobile communication network based on delays and path strengths

Transmitter, Receiver, Wireless Communication Network and Methods for Operating the Same