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Wave beam updating methods and equipment

A beam and updated technology, applied in the field of beam update, can solve the problems of wireless device communication link loss, data packet loss, deterioration, etc.

Inactive Publication Date: 2017-02-01
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since high-frequency links are easily affected by obstacles, the use of narrow beam technology also increases the difficulty of establishing links between wireless devices, especially when the wireless devices are in a mobile state, the use of narrow beam technology is easy Loss or degradation of communication links between wireless devices
[0004] In related technologies, beam training is usually started when the link is lost or deteriorated, the optimal beam is determined, and then the link is re-established in the optimal beam direction to continue communication. This solution usually results in a large transmission time for the communication link Delay, even cause packet loss

Method used

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Experimental program
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Effect test

Embodiment 1

[0172] Figure 5 A flow chart of a beam updating method provided by Embodiment 1 of the present invention. In this embodiment, the receiver device is a terminal, and the sender device is a base station. The base station and the terminal are communicating using narrow beam technology, and the terminal sends feedback to the base station. Information about a candidate transmit beam, and then when the quality of the received signal is poor, the terminal sends a request to the base station to switch the transmit beam, and switches to the corresponding receive beam to receive data, and the base station switches to the selected transmit beam to transmit data to the terminal. include:

[0173] Step 201, the terminal and the base station are in a normal communication state;

[0174]Since the terminal and the base station are in a normal communication state, the terminal has obtained the transmit beam measurement configuration of the base station from the system broadcast message sent ...

Embodiment 2

[0184] Figure 6 A flow chart of a beam updating method provided by Embodiment 2 of the present invention. In this embodiment, the receiver device is a terminal, and the sender device is a base station. The base station and the terminal are communicating using narrow beam technology, and the terminal sends feedback to the base station. Information about multiple candidate transmit beams. After receiving the feedback, the base station determines which transmit beams to use to transmit data to the terminal, and sends transmit beam indication information to the terminal, notifying the terminal of the transmit beams used by the base station, so that the terminal can use the corresponding receive beam to receive data. The method includes:

[0185] Step 301, the terminal and the base station are in a normal communication state;

[0186] Since the terminal and the base station are in a normal communication state, the terminal has obtained the transmit beam measurement configuration ...

Embodiment 3

[0196] Figure 4 A flow chart of a beam update method provided by Embodiment 3 of the present invention. In this embodiment, the receiver device is a base station, the sender device is a terminal, the base station and the terminal are communicating using narrow beam technology, and the base station feeds back to the terminal The information of multiple candidate transmission beams, and when the quality of the received signal is poor, the base station sends a request to the terminal to switch transmission beams, and the terminal determines to use multiple transmission beams to send data to the base station according to the transmission rate requirements, and the base station switches to the one corresponding to the multiple transmission beams Receiving data on a receiving beam, the method includes:

[0197] Step 401, the terminal and the base station are in a normal communication state;

[0198] Step 402, the base station sends a transmit beam measurement request to the termin...

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Abstract

The invention discloses a wave beam updating method applied to sender equipment. The method comprises: after candidate transmitting beam information sent by receiver equipment is received, a transmitting beam for updating a current transmitting beam is selected based on the candidate transmitting beam information; transmitting beam indication information carrying a selection result of the candidate transmitting beam by the sender equipment is sent to the receiver equipment; and data are transmitted to the receiver equipment by using the selected transmitting beam. According to another embodiment, the invention also discloses a wave beam updating method applied to receiver equipment. The method includes: candidate transmitting beam information is sent to sender equipment; after transmitting beam indication information sent by the sender equipment is received, an updated transmitting beam is determined based on the transmitting beam indication information; and data are received on a receiving beam corresponding to the updated transmitting beam. Therefore, the good communication quality of a communication link can be kept and a transmission problem caused by communication link deterioration can be solved. Besides, the invention also discloses wave beam updating equipment.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a beam updating method and device. Background technique [0002] With the development of various applications requiring high transmission rates, people's demand for high-speed and high-quality wireless communication services is increasingly strong. So far, the development and utilization of low-frequency resources used by traditional wireless communication technologies is close to the peak. It can be said that no matter how advanced the modulation and diversity multiplexing methods are in low-frequency bands, the data transmission rate cannot be improved qualitatively. Unable to meet the current explosive growth of wireless communication requirements, wireless communication technologies supporting higher frequency bands (such as fifth-generation communication technologies) emerged in this context. [0003] In the high-frequency spectrum resources of 3GHz-3...

Claims

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Application Information

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IPC IPC(8): H04B7/0408H04B7/06
CPCH04B7/04H04B7/0408H04B7/0639
Inventor 苗婷毕峰刘星郁光辉
Owner ZTE CORP
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