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System for determining radiated radio frequency(RF) receiver sensitivity and related methods

A receiver sensitivity, receiver technology, applied in the field of communication systems, can solve a lot of problems such as time

Inactive Publication Date: 2007-09-12
RES IN MOTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to scan every channel of a GAM mobile phone, phones using traditional, semi-intuitive methods require a lot of time

Method used

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  • System for determining radiated radio frequency(RF) receiver sensitivity and related methods
  • System for determining radiated radio frequency(RF) receiver sensitivity and related methods
  • System for determining radiated radio frequency(RF) receiver sensitivity and related methods

Examples

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Embodiment Construction

[0016] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Throughout, like numbers refer to like elements, and primes are used to indicate like elements in alternative embodiments.

[0017] First, a test method is generally described for determining the radiated radio frequency (RF) receiver sensitivity of Defined based on the traffic channel (TCH) power level at a desired bit error rate (BER) for a plurality of channels extending over at least one frequency band. The method may include determining a BER-TCH power level function for an initial channel...

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PUM

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Abstract

A test method is described for determining radiated radio frequency (RF) receiver sensitivity may include determining a bit error rate (BER) versus traffic channel (TCH) power level function for an initial channel, determining an estimated TCH power level for a subsequent channel based upon the BER versus TCH power level function and a desired BER, and measuring a BER of a subsequent channel based upon the estimated TCH power level. The method may further include comparing the measured BER to the desired BER and using a difference therebetween along with the BER versus TCH power level function to determine a next estimated TCH power level, and repeating measuring and comparing if the difference is greater than a threshold to thereby determine a TCH power level in the subsequent channel corresponding to the desired BER.

Description

technical field [0001] The present invention relates to the field of communication systems, and more particularly to performance testing and related methods in mobile wireless communication systems, such as cellular communication systems. Background technique [0002] In cellular communications equipment, radio sensitivity is the fundamental number that describes the performance of a radio receiver. Conducted (ie, through RF cables) and radiated (ie, through wireless communication links) radio sensitivity measurements are frequently performed during radio design, certification, and verification. These measurements were performed by reducing the base station power transmit level until the receiver's residual bit error rate (RBER) reached the desired level (specifically 2.44%). [0003] For example, for Global System for Mobile Communications (GSM) mobile devices, there are multiple communication bands, each ranging from at least one hundred channels to nearly four hundred ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00H04B1/06
CPCH04B17/008H04B17/0082H04B17/309H04B17/29H04B17/0042H04B1/62H04B1/38
Inventor 齐亦红佩里·亚尔莫什泽韦茨基迈克尔·舍滕恩
Owner RES IN MOTION LTD
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