阅读说明：本技术 用于无线通信的电子设备和方法、计算机可读存储介质 (Electronic device and method for wireless communication, computer-readable storage medium ) 是由 盛彬 徐平平 孙晨 于 2020-05-18 设计创作，主要内容包括：本公开提供了一种用于无线通信的电子设备、方法和计算机可读存储介质,该电子设备包括：处理电路,被配置为：基于车联网中第一通信设备与第二通信设备之间的sidelink信道的信道统计特性,确定第一通信设备与第二通信设备之间的通信路径是直视径还是非直视径；以及如果该通信路径是直视径,则将通过该直视径获得的信息用于第一通信设备和第二通信设备的协作定位。(The present disclosure provides an electronic device, a method, and a computer-readable storage medium for wireless communication, the electronic device including: a processing circuit configured to: determining whether a communication path between a first communication device and a second communication device is a direct-view path or a non-direct-view path based on channel statistical characteristics of a sidelink channel between the first communication device and the second communication device in the Internet of vehicles; and if the communication path is a direct-view path, using information obtained through the direct-view path for cooperative positioning of the first communication device and the second communication device.)

An electronic device for wireless communication, comprising:

a processing circuit configured to:

determining whether a communication path between a first communication device and a second communication device is a direct-view path or a non-direct-view path based on channel statistical characteristics of a sidelink channel between the first communication device and the second communication device in the Internet of vehicles; and

if the communication path is a direct-view path, information obtained through the direct-view path is used for cooperative positioning of the first communication device and the second communication device.

The electronic device of claim 1, wherein the processing circuit is configured to calculate the channel statistical characteristic based on a reference signal received at the first communication device from the second communication device.

The electronic device of claim 1, wherein the channel statistics comprise one or more of a rice K factor, a kurtosis factor, and a space-time-frequency channel correlation function.

The electronic device of claim 2, wherein the processing circuit is further configured to obtain a reference value for the channel statistical characteristic from a base station or a roadside unit, and to determine whether the communication path is a direct-view path or a non-direct-view path by comparing the calculated channel statistical characteristic to the reference value.

The electronic device of claim 4, wherein the processing circuit is configured to obtain the reference value via a downlink between the base station and the first communication device or via a sidelink between the roadside unit and the first communication device.

The electronic device of claim 5, wherein, in a case where the processing circuit acquires the reference value via the downlink, the information of the reference value is included in one of: basic configuration information, minimum system information, other system information, and data information.

The electronic device of claim 5, wherein, in a case where the processing circuit acquires the reference value via the downlink, the processing circuit is configured to acquire the reference value via a physical broadcast channel.

The electronic device of claim 5, wherein, in a case where the processing circuitry obtains the reference value via the downlink, the processing circuitry is configured to obtain the reference value via a physical downlink shared channel.

The electronic device according to claim 8, wherein the reference value is included in a digital map as an attribute of each node in the digital map.

The electronic device of claim 5, wherein, in a case where the processing circuit acquires the reference value via the sidelink, the information of the reference value is included in one of: basic configuration information, sidelink control information, and data information.

The electronic device of claim 5, wherein, in a case where the processing circuitry acquires the reference value via the sidelink, the processing circuitry is configured to acquire the reference value via a physical sidelink broadcast channel.

The electronic device of claim 5, wherein, in a case where the processing circuitry acquires the reference value via the sidelink, the processing circuitry is configured to acquire the reference value via a physical sidelink shared channel.

The electronic device of claim 4, wherein the reference value is transmitted periodically or based on a predetermined condition.

The electronic device of claim 2, wherein the reference signal comprises a pilot signal or a training sequence, the processing circuitry configured to perform channel estimation based on the reference signal and to calculate the channel statistics based on a result of the channel estimation.

The electronic device of claim 1, wherein the processing circuit is further configured to perform the cooperative localization using bayesian estimation or non-bayesian estimation using information obtained through the direct view path.

The electronic device of claim 15, wherein, in a bayesian estimation approach, when a direct line of sight exists between the first communication device and the second communication device, the processing circuit is configured to determine the location of the first communication device based at least on a distance between the first communication device and the second communication device and information transmitted by the second communication device to the first communication device.

The electronic device of claim 15, wherein, in a bayesian estimation approach, when a direct line of sight exists between the first communication device and the second communication device, the processing circuitry is configured to provide information of a distance between the first communication device and the second communication device to a central processing apparatus to cause the central processing apparatus to centrally determine the location of all communication devices.

The electronic device of claim 1, wherein the first and second communication devices are vehicles or roadside units.

The electronic device of claim 2, wherein the processing circuit is further configured to transmit a reference signal to the second communication device.

An electronic device for wireless communication, comprising:

a processing circuit configured to:

acquiring reference values of channel statistical characteristics of the sidelink channels at each position, wherein the reference values are used for distinguishing whether the corresponding sidelink channels are direct-view paths or non-direct-view paths; and

the reference value is provided to a communication device in the internet of vehicles.

The electronic device of claim 20, wherein the processing circuit is configured to obtain the reference value by taking a measurement.

The electronic device of claim 20, wherein the processing circuit is configured to provide the reference value over a Uu interface.

The electronic device of claim 22, wherein the processing circuitry is configured to transmit the reference value over one of a physical broadcast channel, a physical downlink shared channel.

The electronic device of claim 22, wherein the reference value is included in one of: basic configuration information, minimum system information, other system information, and data information.

The electronic device of claim 20, wherein the reference value is saved in the form of a digital map and the processing circuit is configured to provide at least a portion of the digital map to the communication device.

The electronic device of claim 20, wherein the processing circuit is configured to provide the reference value through a PC5 interface.

The electronic device of claim 26, wherein the processing circuitry is configured to transmit the reference value over one of a physical sidelink broadcast channel, a physical sidelink shared channel.

The electronic device of claim 26, wherein the reference value is included in one of: basic configuration information, sidelink control information, and data information.

The electronic device of claim 20, wherein the processing circuit is configured to provide the reference value periodically or if a predetermined condition is met.

The electronic device of claim 20, wherein the channel statistics comprise one or more of a rice K factor, a kurtosis factor, and a space-time-frequency channel correlation function.

A method for wireless communication, comprising:

determining whether a communication path between a first communication device and a second communication device is a direct-view path or a non-direct-view path based on channel statistical characteristics of a sidelink channel between the first communication device and the second communication device in the Internet of vehicles; and

if the communication path is a direct-view path, information obtained through the direct-view path is used for cooperative positioning of the first communication device and the second communication device.

A method for wireless communication, comprising:

acquiring reference values of channel statistical characteristics of the sidelink channels at each position, wherein the reference values are used for distinguishing whether the corresponding sidelink channels are direct-view paths or non-direct-view paths; and

the reference value is provided to a communication device in the internet of vehicles.

A computer-readable storage medium having stored thereon computer-executable instructions that, when executed, perform the method for wireless communication of claim 31 or 32.