Method for wireless data transmission
A method for wireless data transmission between a base station and a transponder is provided, in which data are transmitted between the base station and the transponder in the form of data packets that include a header section with at least one symbol for setting one or more transmission parameters and include at least one additional section. The transponder monitors, during the data transmission, to determine whether a time period between two successive symbol delimiters transmitted by the base station exceeds a maximum time, and if the maximum value is exceeded, a receiver unit of the transponder is reset. The maximum time can be determined in the transponder on the basis of the at least one symbol in the header section.
1 . A method for wireless data transmission between a base station and a transponder, the method comprising the steps of:
transmitting data between the base station and the transponder in the form of data packets that include at least a header section with at least one symbol for setting one or more transmission parameters and include at least one additional section;
monitoring in the transponder during data transmission to determine whether a time period between two successive symbol delimiters, which are transmitted by the base station, exceeds a maximum time; and
resetting a receiver unit of the transponder if the maximum time is exceeded,
wherein the maximum time can be determined in the transponder using the at least one symbol of the header section.
2 . The method according to claim 1 , wherein the maximum time is determined by multiplying a value of the at least one symbol by a factor.
3 . The method according to claim 1 , wherein the maximum time determined is compared in the transponder to a maximum permissible value, and if this maximum permissible value is exceeded, the maximum time is limited to the maximum permissible value.
4 . The method according to claim 1 , wherein the maximum time is initialized using a first symbol in the header section and is tracked as a function of one or more subsequent symbols in the header section.
5 . The method according to claim 1 , wherein the at least one symbol is encoded using a period between the two successive symbol delimiters of the header section.
6 . The method according to claim 1 , wherein the monitoring of whether the maximum time is exceeded by the time period between the two successive symbol delimiters transmitted by the base station can be deactivated during specifiable operating phases of the base station and/or transponder, in particular during an asynchronous data transmission.
7 . The method according to claim 1 , wherein a value of the at least one symbol is stored in the transponder.
8 . The method according to claim 7 , wherein the value of the at least one symbol is stored in the form of a voltage level of a storage capacitor and/or in the form of a count state of a digital counter.
9 . The method according to claim 1 , wherein the transponder is a passive and/or a backscatter-based transponder