A receiving channel gain automatic control method and device

A technology of automatic gain control and receiving channel, which is applied in the field of communication, can solve the problems of not being able to know the received signal power, waste of time-frequency resources, and transmission delay of large service planes, so as to avoid waste of time-frequency resources and improve transmission delay Effect
CN104144487BActive Publication Date: 2018-06-19DATANG MOBILE COMM EQUIP CO LTD
4 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DATANG MOBILE COMM EQUIP CO LTD
Publication Date
2018-06-19

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a method for automatically controlling receiving channel gains and a device. The method includes the steps that the receiving-end device calculates receiving channel gain adjustment values corresponding to antenna receiving channels through receiving signals corresponding to the antenna receiving channels; the receiving-end device selects the receiving channel gain adjustment value with the minimum absolute value from the receiving channel gain adjustment values corresponding to the antenna receiving channels; the receiving-end device determines the receiving channel gains currently corresponding to the receiving channel gain adjustment value with the minimum absolute value; the receiving-end device sets the receiving channel gains of the antenna receiving channels to be the receiving channel gains currently corresponding to the receiving channel gain adjustment value with the minimum absolute value; the receiving-end device carries out corresponding adjustment on the receiving channel gains of the antenna receiving channels through the receiving channel gain adjustment value with the minimum absolute value. By means of the method and the device, huge time-frequency resource waste and huge service face transmission delay can be avoided.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to the field of communication technology, in particular to a receiving channel gain automatic control method and equipment. Background technique

[0002] The technical characteristics of the Internet of Vehicles based on TDMA (Time Division Multiple Access) technology include: (1) Vehicles are synchronized by GNSS (Global Navigation Satellite System, Global Navigation Satellite System) and divided based on GNSS timing Time slot, each vehicle occupies a time-frequency resource of a time slot independently, and different users use different time slots; (2) 2 antennas are used for reception; (3) when the vehicle sends information, the range that needs to be covered is up to 300 meters, The closest distance to the adjacent car is 2 meters, and the dynamic range of the received signal is relatively large; (4) Due to the strong mobility of the car and the rapid change of the network topology, it is impossible to predict the dist...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More