Electronic device and method for wireless communication, and computer readable storage medium
The present disclosure provides an electronic device and a method for wireless communication, and a computer readable storage medium. The electronic device comprises: a processing circuit configured to: determine, on the basis of the channel statistical characteristics of a sidelink channel between a first communication device and a second communication device in the Internet of Vehicles, whether a communication path between the first communication device and the second communication device is a direct view path or a non-direct view path; and if the communication path is a direct view path, use the information obtained by means of the direct view path for the coordinated positioning of the first communication device and the second communication device.
1. An electronic apparatus for wireless communications by a first mobile communication device, comprising:
processing circuitry, configured to:
determine, based on a channel statistical characteristic of a sidelink channel between the first mobile communication device and a second mobile communication device in an Internet of Vehicles, whether a communication path between the first mobile communication device and the second mobile communication device is a Line of Sight path or a Not Line of Sight path; and
based on the communication path being the Line of Sight path, use information obtained through the Line of Sight path in cooperative location for the first mobile communication device and the second mobile communication device,
wherein the processing circuitry is further configured to:
determine the channel statistical characteristic of the sidelink channel between the first mobile communication device and the second mobile communication device based on a reference signal received at the first mobile communication device from the second mobile communication device,
wherein the reference signal comprises a pilot signal or a training sequence that is transmitted periodically, or that is transmitted based on a predetermined condition;
perform channel estimation based on the reference signal;
determine the channel statistical characteristic based on a result of the channel estimation,
wherein the channel statistical characteristic comprises one of a Ricean K-factor, a Kurtosis factor or a space time frequency channel correlation function;
acquire, from a base station or a road side unit, a reference value of the channel statistical characteristic; and
compare the determined channel statistical characteristic to the reference value to determine whether the communication path is the Line of Sight path or the Not Line of Sight path.
2. The electronic apparatus according to claim 1 , wherein the processing circuitry is configured to acquire the reference value via a downlink between the base station and the first mobile communication device, or acquire the reference value via a sidelink channel between the road side unit and the first mobile communication device.
3. The electronic apparatus according to claim 2 , wherein in a case that the processing circuitry is configured to acquire the reference value via the downlink between the base station and the first mobile communication device, information of the reference value is comprised in one of basic configuration information, minimum system information, other system information, or data information.
4. The electronic apparatus according to claim 2 , wherein in a case that the processing circuitry is configured to acquire the reference value via the downlink between the base station and the first mobile communication device, the processing circuitry is configured to acquire the reference value via a physical broadcast channel or a physical downlink shared channel.
5. The electronic apparatus according to claim 4 , wherein the reference value is comprised in a digital map, and is an attribute of each node in the digital map.
6. The electronic apparatus according to claim 2 , wherein in a case that the processing circuitry is configured to acquire the reference value via the sidelink channel between the road side unit and the first mobile communication device, information of the reference value is comprised in one of basic configuration information, sidelink control information, or data information.
7. The electronic apparatus according to claim 2 , wherein in a case that the processing circuitry is configured to acquire the reference value via the sidelink channel between the road side unit and the first mobile communication device, the processing circuitry is configured to acquire the reference value via a physical sidelink broadcast channel or a physical sidelink shared channel.
8. The electronic apparatus according to claim 1 , wherein the processing circuitry is further configured to use the information obtained through the Line of Sight path to perform the cooperative location in a manner of Bayesian estimation or non-Bayesian estimation.
9. The electronic apparatus according to claim 8 , wherein in the manner of the Bayesian estimation, in a case that that the Line of Sight path exists between the first mobile communication device and the second mobile communication device, the processing circuitry is further configured to;
determine a location of the first mobile communication device based at least on a distance between the first mobile communication device and the second mobile communication device and information transmitted from the second mobile communication device to the first mobile communication device; or
provide a central processing device with information of a distance between the first mobile communication device and the second mobile communication device, so that the central processing device determines locations of all communication devices in a centralized manner.
10. A method for wireless communications performed by first mobile communication device, the method comprising:
determining, based on a channel statistical characteristic of a sidelink channel between the first mobile communication device and a second mobile communication device in an Internet of Vehicles, whether a communication path between the first mobile communication device and the second mobile communication device is a Line of Sight path or a Not Line of Sight path; and
based on the communication path being the Line of Sight path, using information obtained through the Line of Sight path in cooperative location for the first mobile communication device and the second mobile communication device,
wherein the method further comprises:
determining the channel statistical characteristic of the sidelink channel between the first mobile communication device and the second mobile communication device based on a reference signal received at the first mobile communication device from the second mobile communication device,
wherein the reference signal comprises a pilot signal or a training sequence that is transmitted periodically, or that is transmitted based on a predetermined condition;
performing channel estimation based on the reference signal;
determining the channel statistical characteristic based on a result of the channel estimation,
wherein the channel statistical characteristic comprises one of a Ricean K-factor, a Kurtosis factor or a space time frequency channel correlation function;
acquiring, from a base station or a road side unit, a reference value of the channel statistical characteristic; and
comparing the determined channel statistical characteristic to the reference value to determine whether the communication path is the Line of Sight path or the Not Line of Sight path.
11. A non-transitory computer product containing instructions to perform a method for wireless communications, the method comprising:
determining, based on a channel statistical characteristic of a sidelink channel between the first mobile communication device and a second mobile communication device in an Internet of Vehicles, whether a communication path between the first mobile communication device and the second mobile communication device is a Line of Sight path or a Not Line of Sight path; and
based on the communication path being the Line of Sight path, using information obtained through the Line of Sight path in cooperative location for the first mobile communication device and the second mobile communication device,
wherein the method further comprises:
determining the channel statistical characteristic of the sidelink channel between the first mobile communication device and the second mobile communication device based on a reference signal received at the first mobile communication device from the second mobile communication device,
wherein the reference signal comprises a pilot signal or a training sequence that is transmitted periodically, or that is transmitted based on a predetermined condition;
performing channel estimation based on the reference signal;
determining the channel statistical characteristic based on a result of the channel estimation,
wherein the channel statistical characteristic comprises one of a Ricean K-factor, a Kurtosis factor or a space time frequency channel correlation function;
acquiring, from a base station or a road side unit, a reference value of the channel statistical characteristic; and
comparing the determined channel statistical characteristic to the reference value to determine whether the communication path is the Line of Sight path or the Not Line of Sight path.