Patent ID: 8634401

Claim:
A method comprising: a inserting a control field into an information packet comprising one or more data fields and a protection field, the protection field for determining whether a signal is accurately communicated to a transponder, the control field separating the information packet into a first portion preceding the control field and a second portion following the control field; transmitting, to the transponder, the first portion of the information packet preceding the control field of the information packet; determining a value of the control field; transmitting, to the transponder, the second portion of the information packet following the control field when the control field has a first value, the first value indicating that the first portion of the information packet preceding the control field has been correctly received by the transponder; and retransmitting, to the transponder, the first portion of the information packet preceding the control field when the control field has a second value, the second value indicating that the first portion of the information packet preceding the control field has not been correctly received by the transponder.