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US5630210A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for determining signal transmission quality levels of a transmitted signal

Assignee: Motorola Mobility LLC
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Filing: 1995-08-07
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Granted: 1997-05-13
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Expires: 2015-08-07
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Abstract

Abstract An apparatus, and associated method, for determining signal transmission quality levels of a discretely-encoded information signal received by a receiver. The signal strength of the received signal is calculated, and the levels of interference introduced upon the information signal is determined. The value of the signal strength is weighted by the amount of interference introduced upon the information signal. The resultant weighted signal forms the signal transmission quality level. The value of the signal transmission quality level is displayed to provide a user with a quantitative indication of the signal transmission quality level of the signal received by the receiver.

Inventors

  • 👤 Patrick J. Marry
  • 👤 David C. Schuster
  • 👤 Adam F. Gould

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:40
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10; H04B1/1027; H04B17/00; H04B17/20; H04B17/23; H04B17/30; H04B17/309; H04B17/345

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 221 words
An apparatus for calculating and displaying signal transmission quality level of a wireless information bearing communications signal comprised of sequences of encoded data transmitted between a transmitter and a receiver, said apparatus comprising: means for measuring signal level magnitudes of the signal transmitted between the transmitter and the receiver to form a received-signal strength value; means for determining bit errors introduced upon the communications signal transmitted between the transmitter and the receiver to form an interference level value; means, when the levels of interference indicate no bit errors, for scaling the received-signal strength value formed by said means for measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of the signal transmission between the transmitter and the receiver and, when the levels of interference indicate bit errors, for mutiplying the received-signal strength value by an interference number less than one to produce a product and scaling the product by a scale factor to provide the signal transmission quality level value; and a display element having display portions operatively coupled to the means for multiplying and scaling for displaying in human perceptible form the signal transmission quality level value formed by said means for multiplying to cause various portions of the display element to turn on responsive to the signal transmission quality level value.
Claim 2
Independent Claim 221 words
An apparatus for calculating and displaying signal transmission quality level of a wireless information bearing communications signal comprised of sequences of encoded data transmitted between a transmitter and a receiver, said apparatus comprising: means for measuring signal level magnitudes of the signal transmitted between the transmitter and the receiver to form a received-signal strength value; means for determining bit errors introduced upon the communications signal transmitted between the transmitter and the receiver to form an interference level value; means, when the levels of interference indicate no bit errors, for scaling the received-signal strength value formed by said means for measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of the signal transmission between the transmitter and the receiver and, when the levels of interference indicate bit errors, for mutiplying the received-signal strength value by an interference number less than one to produce a product and scaling the product by a scale factor to provide the signal transmission quality level value; and a display element having display portions operatively coupled to the means for multiplying and scaling for displaying in human perceptible form the signal transmission quality level value formed by said means for multiplying to cause various portions of the display element to turn on responsive to the signal transmission quality level value.
Claim 3
Dependent Claim 42 words
The apparatus of claim 1 wherein said received-signal strength level value formed by the means for measuring is of a value directly proportional to an amplitude of the received signal representative of the information signal transmitted between the transmitter and the receiver.
Claim 4
Dependent Claim 44 words
The apparatus of claim 1 wherein said interference level value formed by the means for determining bit error is representative of the number of bit errors of the encoded data comprising the sequences of the information signal determined after decoding of the encoded data.
Claim 5
Dependent Claim 35 words
The apparatus of claim 1 wherein the display element comprises a liquid crystal display having the display portions and wherein the signal transmission quality level value determines which portions of the display element turn on.
Claim 6
Dependent Claim 21 words
The apparatus of claim 1 wherein the interference number is determined by subtracting the interference level value from the number one.
Claim 7
Dependent Claim 18 words
The apparatus of claim 5 wherein the interference level value is scaled by another scale factor before subtracting.
Claim 8
Dependent Claim 221 words
A radio receiver operative to receive modulated signals formed of information bearing communications signals modulated upon a wireless carrier wave and transmitted thereto by a transmitter, said radio receiver comprising: means for detecting the modulated signal transmitted by the transmitter and for generating an electrical signal indicative of the modulated signal; means for measuring signal level magnitudes of the electrical signal indicative of the modulated signal detected by said means for detecting to form a received-signal strength value; means for determining bit errors introduced upon the modulated signal during transmission thereto to form an interference level value; means for, when the levels of interference indicate no bit errors, scaling the received-signal strength value formed by the means for measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of signal transmission of the modulated signal transmitted by the transmitter and, when the levels of interference indicate bit errors, for mutiplying the received-signal strength value by an interference number less than one to produce a producer and scaling the product by a scale factor to provide the signal transmission quality level value; and a display element operatively coupled to the means for multiplying and scaling for displaying in human perceptible form the signal transmission quality level value formed by said means for multiplying and scaling.
Claim 9
Dependent Claim 221 words
A radio receiver operative to receive modulated signals formed of information bearing communications signals modulated upon a wireless carrier wave and transmitted thereto by a transmitter, said radio receiver comprising: means for detecting the modulated signal transmitted by the transmitter and for generating an electrical signal indicative of the modulated signal; means for measuring signal level magnitudes of the electrical signal indicative of the modulated signal detected by said means for detecting to form a received-signal strength value; means for determining bit errors introduced upon the modulated signal during transmission thereto to form an interference level value; means for, when the levels of interference indicate no bit errors, scaling the received-signal strength value formed by the means for measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of signal transmission of the modulated signal transmitted by the transmitter and, when the levels of interference indicate bit errors, for mutiplying the received-signal strength value by an interference number less than one to produce a producer and scaling the product by a scale factor to provide the signal transmission quality level value; and a display element operatively coupled to the means for multiplying and scaling for displaying in human perceptible form the signal transmission quality level value formed by said means for multiplying and scaling.
Claim 10
Dependent Claim 30 words
The radio receiver of claim 7 wherein the display element comprises display portions and wherein the signal transmission quality level value determines which portions of the display element turn on.
Claim 11
Dependent Claim 22 words
The radio receiver of claim 7 wherein the interference number is determined by subtracting the interference level value from the number one.
Claim 12
Dependent Claim 19 words
The radio receiver of claim 9 wherein the interference level value is scaled by another scale factor before subtracting.
Claim 13
Dependent Claim 228 words
In a radio transceiver having transmitter circuitry and receiver circuitry, the receiver circuitry being operative to receive a wireless information bearing communications signal transmitted thereto by a remotely-positioned transmitter, a combination with the receiver circuitry of apparatus for determining transmission quality levels of the communications signal transmitted by the remotely-positioned transmitter, said apparatus comprising: means for measuring signal level magnitudes of the signal transmitted by the remotely-positioned transmitter and the receiver circuitry to form a received-signal strength value; means for determining bit errors introduced upon the communications signal transmitted by the remotely-positioned transmitter to the receiver circuitry to form an interference level value; means for, when the levels of interference indicate no bit errors, scaling the received-signal strength value formed by said means for measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of the signal transmission between the remotely-positioned transmitter and the receiver circuitry and, when the levels of interference indicate bit errors, for mutiplying the received-signal strength value by an interference number less than one to produce a product and scaling the product by a scale factor to provide the signal transmission quality level value; and a display element operatively coupled to the means for multiplying and scaling for displaying in human perceptible form the signal transmission quality level value formed by said means for multiplying and scaling.
Claim 14
Dependent Claim 228 words
In a radio transceiver having transmitter circuitry and receiver circuitry, the receiver circuitry being operative to receive a wireless information bearing communications signal transmitted thereto by a remotely-positioned transmitter, a combination with the receiver circuitry of apparatus for determining transmission quality levels of the communications signal transmitted by the remotely-positioned transmitter, said apparatus comprising: means for measuring signal level magnitudes of the signal transmitted by the remotely-positioned transmitter and the receiver circuitry to form a received-signal strength value; means for determining bit errors introduced upon the communications signal transmitted by the remotely-positioned transmitter to the receiver circuitry to form an interference level value; means for, when the levels of interference indicate no bit errors, scaling the received-signal strength value formed by said means for measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of the signal transmission between the remotely-positioned transmitter and the receiver circuitry and, when the levels of interference indicate bit errors, for mutiplying the received-signal strength value by an interference number less than one to produce a product and scaling the product by a scale factor to provide the signal transmission quality level value; and a display element operatively coupled to the means for multiplying and scaling for displaying in human perceptible form the signal transmission quality level value formed by said means for multiplying and scaling.
Claim 15
Dependent Claim 34 words
The apparatus of claim 11 wherein the display element comprises a liquid crystal display having display portions and wherein the signal transmission quality level value determines which portions of the display element turn on.
Claim 16
Dependent Claim 21 words
The apparatus of claim 11 wherein the interference number is determined by subtracting the interference level value from the number one.
Claim 17
Dependent Claim 18 words
The apparatus of claim 13 wherein the interference level value is scaled by another scale factor before subtracting.
Claim 18
Independent Claim 186 words
A method for determining signal transmission quality levels of a wireless information bearing communications signal comprised of sequences of encoded data transmitted between a transmitter and a receiver, said method comprising the steps of: (a) measuring signal level magnitudes of the communications signal transmitted between the transmitter and the receiver to form a received-signal strength value; (b) determining levels of interference introduced upon the communications signal transmitted between the transmitter and the receiver to form an interference level value; (c) when the levels of interference indicate no bit errors, scaling the received-signal strength value formed during said step (a) of measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of the signal transmission between the transmitter and the receiver; (d) when the levels of interference indicate bit errors, mutiplying the received signal strength value by an interference number less than one to produce a product and scaling the product by a scale factor to provide the signal transmission quality level value; and (e) displaying in human perceptible form using a display element the signal transmission quality level value.
Claim 19
Independent Claim 186 words
A method for determining signal transmission quality levels of a wireless information bearing communications signal comprised of sequences of encoded data transmitted between a transmitter and a receiver, said method comprising the steps of: (a) measuring signal level magnitudes of the communications signal transmitted between the transmitter and the receiver to form a received-signal strength value; (b) determining levels of interference introduced upon the communications signal transmitted between the transmitter and the receiver to form an interference level value; (c) when the levels of interference indicate no bit errors, scaling the received-signal strength value formed during said step (a) of measuring by a scale factor to provide a signal transmission quality level value representative of quality levels of the signal transmission between the transmitter and the receiver; (d) when the levels of interference indicate bit errors, mutiplying the received signal strength value by an interference number less than one to produce a product and scaling the product by a scale factor to provide the signal transmission quality level value; and (e) displaying in human perceptible form using a display element the signal transmission quality level value.
Claim 20
Dependent Claim 21 words
The method of claim 15 wherein the interference number is determined by subtracting the interference level value from the number one.
Claim 21
Dependent Claim 18 words
The method of claim 16 wherein the interference level value is scaled by another scale factor before subtracting.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-05-12 2000-11-11 2001-05-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-05-12 2004-11-11 2005-05-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-05-12 2008-11-11 2009-05-13 $7700.00 Window Closed / Lapsed

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