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Method and device for adapting at least one parameter of a communication system

A communication system and parameter technology, applied in traffic control systems, services based on location information, traffic control systems for road vehicles, etc., can solve the problem that the assumption of channel symmetry cannot be guaranteed, etc.

Active Publication Date: 2019-12-20
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The assumption of channel symmetry cannot be guaranteed in most cases, especially when the players are moving very fast

Method used

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  • Method and device for adapting at least one parameter of a communication system

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Embodiment Construction

[0021] figure 1 Two participants 1 , 2 are shown between which mobile radio communication takes place via at least one mobile radio channel. Both parties here are vehicles. Each vehicle has an antenna 3 which preferably has adaptive antenna elements and is designed, for example, as a diversity antenna. The motor vehicle also has a transmitter-receiver unit 4 , an evaluation and control unit 5 , a position determination device 6 , a navigation system 7 and an environment model 8 . The position determination device 6 is, for example, a satellite-based position determination device. Elements 3 - 8 here form device 10 . Furthermore, the data of the Car2Car communication are transmitted to the evaluation and control unit 5 . It should be noted here that the satellite-based position determination device 6 , for example in the form of a GPS receiver, and the environment model can also be integrated as components into the navigation system. Environment model 8 is designed here as...

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Abstract

The invention relates to a method and a device for matching at least one parameter of a communication system, in particular to a method for matching at least one parameter of a communication system between two parties (1, 2), wherein at least one of the participants Square (1,2) is moving, where, at time t 0 Determine the current position of the mobile participant (1, 2) and estimate from the current position with the aid of the environment model (8) for a future instant t 1 ,t 2 The channel quality of , where based on the estimate at a future instant t 1 ,t 2 Change at least one parameter. The invention also relates to a suitable device (10).

Description

technical field [0001] The invention relates to a method and a device for adapting at least one parameter of a communication system. Background technique [0002] Digital communication, for example via mobile networks, is now ubiquitous. Users expect high data transfer rates, low latency and high reliability. To achieve this, the transmitter and receiver are retuned to a given situation at any time. The characteristics of the channel between the sender and the receiver are usually estimated and the parameters which have an influence on the data transmission rate and the robustness are adjusted in accordance with this estimate. Existing mobile radio communication methods are based on the following assumptions, that is, between a stationary transmission station (Base Transceiver Station BTS oder Evolved Node B eNB, Base Transceiver Station BTS or Evolved Node B eNB) and a portable terminal UE (User Equipment User Equipment ) with a communication link where the transmission ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/005H04B7/26H04B17/00H04W24/02H04W4/029
CPCH04B7/005H04B7/26H04B17/00H04W24/00G01C21/36G01S19/426G08G1/0112G08G1/0129H04W4/029G01C21/367G01S5/0273G01S5/0072
Inventor R.埃莉耶夫A.夸切克T.赫恩
Owner VOLKSWAGEN AG