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Processing digital samples in a wireless receiver

A technology of receivers and samples, which is applied to devices dedicated to receivers, wireless communications, digital transmission systems, etc., and can solve problems such as inability to reduce

Active Publication Date: 2017-03-15
NVIDIA TECH UK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under certain conditions, such as when the transmitter has reached its minimum allowed transmit power, it may be the case that the actual SIR estimated at the receiver cannot be reduced as low as the target SIR

Method used

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  • Processing digital samples in a wireless receiver
  • Processing digital samples in a wireless receiver
  • Processing digital samples in a wireless receiver

Examples

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Embodiment Construction

[0044] figure 2 It is a schematic architecture diagram of a device for transmitting and receiving signals in a wireless communication system. This type of device can be implemented in many different ways, but according to figure 2 , A series of RF / IF level 32( figure 1 The blocks 4, 6) in are arranged to receive and transmit wireless signals (TX, RX) via one or more antennas 2. The signal received at the output of the RF / IF stage is usually converted to baseband, where the ADC converts the analog signal into digital samples. figure 2 The block 32 of includes components for processing the received radio signal and providing digital signal samples y(k). This can be achieved in different ways known in the art and not discussed further herein.

[0045] The sample y(k) is supplied to the data transmission engine 30 in communication with the processor 22, the instruction memory 24, and the data memory 26. The processor 22 is responsible for processing the sample y(k). The processo...

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Abstract

A system and method for processing digital samples from signals received via a wireless transmission channel in a wireless communication system. The method includes: comparing a target signal quality value with an estimated received signal quality value; detecting whether the estimated received signal quality value exceeds the target signal quality value for a certain period of time; and selecting one of a plurality of processing routines with different sensitivities. One to process digital samples.

Description

Technical field [0001] The present invention relates to a radio receiver in a wireless communication system, and to a method of processing radio signals. Background technique [0002] The transmission of radio signals in modern wireless communication can be realized based on a number of different communication systems often specified by standards. The requirements for being able to operate to support more than one device in these wireless communication systems are increasing. The mobile radio receiver equipment includes an analog radio frequency (RF) / intermediate frequency (IF) stage, which is arranged to receive and transmit wireless signals via one or more antennas. The output of the RF / IF stage is usually converted to baseband, where an analog-to-digital converter (ADC) converts the input analog signal into digital samples, which are then processed for signal detection and decoding of the information data carried by the signal. The ADC can alternatively operate directly unde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/24H04B1/00H04L1/00
CPCH04L1/0036H04W52/241
Inventor E·安德鲁斯
Owner NVIDIA TECH UK
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