Error correction scheme in a hearing system wireless network

Abstract

A method of wireless data communication between a hearing instrument and another device, includes receiving N data packages A 1 , A 2 , . . . , A N , wherein the N data packages are obtained by dividing a data package D, receiving data package C, wherein the data package C is formed as a function of A 1 , A 2 , . . . , A N in accordance with a relationship C= (A 1 , A 2 , . . . , A N ), performing error detection, and recovering A E , one of the data packages A 1 , A 2 , . . . , A N that contains an error, in accordance with a relationship A E = (A 1 , A 2 , . . . , C, . . . , A N ), in which A 1 , A 2 , . . . , C, . . . , A N indicates that the data package C is used in place of A E in a list of arguments for the function .

1 - 22 . (canceled) 
     
     
         23 . A method of data communication between a hearing instrument and another device, comprising:
 forming a data correction package C as a function of at least some of a plurality of data packages A 1 , A 2 , . . . , A N ; and   transmitting the data correction package C;   wherein the act of transmitting the data correction package C is performed by the other device regardless of whether the hearing instrument detects an error; and   wherein the data correction package C is for recovering A E , one of the data packages A 1 , A 2 , . . . , A N  that contains the error.   
     
     
         24 . The method of  claim 23 , wherein the data correction package C is formed in accordance with a relationship C= (A 1 , A 2 , . . . , A N ); and
 wherein the data package C is formed to recover A E  in accordance with a relationship A E = (A 1 , A 2 , . . . , C, . . . , A N ), in which A 1 , A 2 , . . . , C, . . . , A N  indicates that the data correction package C is used in place of A E  in a list of arguments for the function  .   
     
     
         25 . The method of  claim 24 , wherein the function   and the function   are identical. 
     
     
         26 . The method of  claim 25 , wherein the function   is an exclusive-or function so that
   C=A 1  ⊕ A 2  ⊕ . . . ⊕ A N  
 
   and 
   A E =A 1  ⊕ A 2  ⊕ . . . ⊕ C ⊕ . . . ⊕ A N .
 
 
     
     
         27 . The method of  claim 26 , wherein N is equal to 2 so that
   C=A 1  ⊕ A 2  
     and     A 1 =C ⊕ A 2  and A 2 =A 1  ⊕ C.
   
     
     
         28 . The method of  claim 23 , further comprising transmitting the data packages A 1 , A 2 , . . . , A N  from the other device to the hearing instrument. 
     
     
         29 . The method of  claim 28 , wherein at least some of the packages A i , C are wirelessly transmitted in respective different frequency channels. 
     
     
         30 . The method of  claim 23 , wherein the error is due to noise in a communication channel. 
     
     
         31 . The method of  claim 23 , wherein the data correction package C is received by the hearing instrument in response to a detection of the error by the hearing instrument. 
     
     
         32 . A method of data communication between a hearing instrument and another device, comprising:
 receiving N data packages A 1 , A 2 , . . . , A N ;   performing error detection;   receiving data correction package C, wherein the data correction package C is formed as a function of at least some of the N data packages A 1 , A 2 , . . . , A N ; and   recovering A E , one of the data packages A 1 , A 2 , . . . , A N  that contains an error based on the data correction package C;   wherein the act of receiving the data correction package C is performed in response to a detection of the error;   wherein both the act of receiving the data correction package C and the act of performing the error detection are performed by the hearing instrument; and   wherein the data correction package C is received from the other device.   
     
     
         33 . The method of  claim 32 , wherein the data correction package C is formed in accordance with a relationship C= (A 1 , A 2 , . . . , A N ); and
 wherein A E  is recovered in accordance with a relationship A E = (A 1 , A 2 , . . . , C, . . . , A N ), in which A 1 , A 2 , . . . , C, . . . , A N  indicates that the data package C is used in place of A E  in a list of arguments for the function  .   
     
     
         34 . The method of  claim 33 , wherein the function   and the function   are identical. 
     
     
         35 . The method of  claim 34 , wherein the function   is an exclusive-or function so that
   C=A 1  ⊕ A 2  ⊕ . . . ⊕ A N  
 
   and 
   A E =A 1  ⊕ A 2  ⊕ . . . ⊕C ⊕ . . . ⊕ A N .
 
 
     
     
         36 . The method of  claim 35 , wherein N is equal to 2 so that
   C=A 1  ⊕ A 2  
     and     A 1 =C ⊕ A 2  and A 2 =A 1  ⊕ C.
   
     
     
         37 . The method of  claim 32 , wherein at least some of the packages A i , C are received wirelessly in respective different frequency channels. 
     
     
         38 . The method of  claim 32 , wherein the error is due to noise in a communication channel. 
     
     
         39 . The method of  claim 32 , wherein the error detection is performed on each of the N data packages. 
     
     
         40 . The method of  claim 32 , wherein the act of receiving the data correction package C in response to the detection of the error provides power saving for the hearing instrument that receives the data correction package C. 
     
     
         41 . The method of  claim 32 , wherein the other device is carried by a user of the hearing instrument, and the hearing instrument and the other device are configured to communicate with each other through a Bluetooth network. 
     
     
         42 . A device, comprising:
 a processing unit configured to form a data correction package as a function of a plurality of data packages; and   a communication device configured to transmit the data correction package for reception by a hearing instrument regardless of whether the hearing instrument detects an error;   wherein the data correction package is for recovering one of the data packages that contains the error.   
     
     
         43 . The device of  claim 42 , wherein the communication device comprises a Bluetooth device. 
     
     
         44 . The device of  claim 42 , wherein the error is due to noise in a communication channel. 
     
     
         45 . The device of  claim 42 , wherein the communication device is also configured to transmit the plurality of data packages for reception by the hearing instrument. 
     
     
         46 . The device of  claim 45 , wherein at least some of the plurality of packages and the data correction package are wirelessly transmitted in different respective frequency channels. 
     
     
         47 . The device of  claim 42 , wherein the processing unit and the communication device are parts of another hearing instrument that is in communication with the hearing instrument. 
     
     
         48 . A hearing system comprising the device of  claim 47 , and the hearing instrument. 
     
     
         49 . The hearing system of  claim 48 , wherein the hearing instrument is configured to receive the data correction package in response to a detection of the error by the hearing instrument. 
     
     
         50 . The hearing system of  claim 48 , wherein the hearing instrument comprises a first hearing aid, and the other hearing instrument comprises a second hearing aid. 
     
     
         51 . The hearing system of  claim 48 , wherein the hearing instrument comprises a controller configured to control a receiver in the hearing instrument to receive the data correction package to provide power saving for the hearing instrument. 
     
     
         52 . A hearing instrument, comprising:
 a receiver for receiving a plurality of data packages; and   a controller that controls the receiver to receive a data correction package transmitted by a device, wherein the controller is configured to control the receiver to receive the data correction package in response to a detection of an error by the hearing instrument, the controller being a part of the hearing instrument;   wherein the data correction package is based at least on some of the data packages, and is for recovering one of the data packages that contains the error.   
     
     
         53 . A hearing system comprising the hearing instrument of  claim 52 , and the device, wherein the device comprises an additional hearing instrument. 
     
     
         54 . The hearing system of  claim 53 , wherein the device is configured to transmit the data correction package regardless of whether the hearing instrument detects the error. 
     
     
         55 . The hearing system of  claim 53 , wherein the hearing instrument comprises a first hearing aid, and the additional hearing instrument comprises a second hearing aid. 
     
     
         56 . The hearing instrument of  claim 52 , wherein the receiver is configured to receive the data correction package through a Bluetooth network. 
     
     
         57 . The hearing instrument of  claim 52 , wherein the receiver is configured to receive the plurality of data packages and the data correction package in respective different frequency channels. 
     
     
         58 . The hearing instrument of  claim 52 , wherein the error is due to noise in a communication channel. 
     
     
         59 . The hearing instrument of  claim 52 , wherein the controller is configured to control the receiver to receive the data correction package to provide power saving for the hearing instrument.