Method of detecting a jamming transmitter affecting a communication user equipment, device and user equipment and system with the user equipment

1. Method of detecting a jamming transmitter affecting a user equipment, wherein

said user equipment is configured to communicate with at least one component of a cellular code division multiple access based radio network having a number of user equipments and a number of base node stations, wherein the cellular radio network provides a dedicated physical channel for a communication radiolink of the user equipment to a cell of the cellular radio network

providing the user equipment in a connected mode of the communication radiolink with the at least one component of the radio network and the user equipment is in a connected mode of the communication radiolink via the dedicated physical channel, wherein in the connected mode of said user equipment the steps are provided:

generating a synchronization-indication wherein the synchronization-indication is generated by monitoring signals of the dedicated physical channel,

evaluating the synchronization-indication,

measuring a further Layer-1 parameter associated with the dedicated physical channel, and

indicating a jamming transmitter in dependence of the evaluation and measuring.

2. Method according to claim 1 wherein the dedicated physical channel comprises at least one of a dedicated physical data channel and a dedicated physical communication channel.

3. Method according to claim 1 , wherein the jamming situation is detected in dependence of a number of further parameters wherein the further parameters are selected from the group consisting of:

at least one link power signal,

at least one link quality signal, and

a checksum evaluation of one out of a group consisting of an in-synchronization state and an out-of-synchronization state.

4. Method according to claim 1 , wherein the monitoring of the signal is performed by power monitoring and the synchronization-indication is generated by means of a transmission power control, as a rate of transmission power control errors.

5. Method according to claim 1 , wherein the synchronization-indication comprises of evaluation of the dedicated physical channel, wherein an error evaluation of the dedicated physical data channel is performed and a quality-of the dedicated physical data channel is evaluated.

6. Method according to claim 1 , wherein the synchronization-indication is generated in a cycle to provide a rate of synchronization-indication wherein the cycle has a periodicity.

7. Method according to claim 1 , wherein the synchronization-indication is evaluated to a binary or trinary set of states, comprising an in-synchronization state and an out-of-synchronization state, and wherein an out-of-synchronization state is used as a parameter to detect a jamming situation and an in-synchronization state is used as a parameter to detect a free-of-jamming situation.

8. Method according to claim 1 , wherein the synchronization-indication is evaluated by means of at least one time measure for evaluating the time behavior of the synchronization-indication, wherein the time span of an out-of-synchronization state is evaluated to detect a jamming situation or the time span of an in-synchronization state is evaluated to detect a free-of-jamming situation.

9. Method according to claim 1 , wherein the synchronization-indication is further evaluated by means of at least one time measure and the time measure has at least one: start-trigger, stop-trigger, timer-means, and counter-means.

10. Method according to claim 1 , wherein

a first timer or counter-means starts from a begin-time of an OUT-OF-SYNC state, for indicating an OUT-OF-SYNC error after expiration of said first timer or counter-means;

a second timer or counter-means starts from a time of an OUT-OF-SYNC state after a first timer or counter-means, for indicating a RADIO LINK failure; and

a third timer or counter-means starts from a begin-time of an IN-SYNC state after stopping a first and second timer or counter-means, for indicating an end-of-jamming situation.

11. Method according to claim 1 , wherein the jamming situation is detected also in dependence of a number of further parameters wherein the further parameters are selected from the group consisting of: at least one radio link quality data, at least one timer or counter, and at least one synchronization-indication.

12. Method according to claim 1 , wherein

a jamming warning is provided in the period between initiation of an OUT-OF-SYNC indication and initiation of an Out-of-Sync-Error.

13. Method according to claim 1 , wherein a jamming detection is provided in the period between initiation of an Out-of-Sync-Error, and a RadioLink Failure.

14. Method according to claim 1 , wherein a jamming probability is admitted depending on at least one of:

a trigger,

a predetermined combination of events, and

repeatedly occurring single events.

15. Device for a user equipment configured to detect a jamming transmitter affecting the user equipment in a connected mode within a cellular radio network that provides a dedicated physical channel for a communication radiolink of the user equipment to a cell of the cellular radio network, when the user equipment is connected in a connected mode of a communication radiolink via the dedicated physical channel, wherein the device has

a generation unit configured to generate a synchronization-indication from a power monitoring of the dedicated physical channel comprising at least one of a signal and a power monitor detection unit for a dedicated physical channel,

an evaluation unit configured to evaluate the synchronization-indication for evaluating an in-synchronization state and an out-of-synchronization state,

a measuring unit configured to measure a further parameter at the dedicated physical channel, and

a detection unit configured to detect a jamming situation in dependence of output of the evaluation unit and the measuring unit.

16. A system comprising:

the device of claim 15 , and

a user equipment configured for communication with a component of a cellular code division multiple access based radio network having a number of user equipments and a number of base node stations,

wherein the cellular radio network provides a dedicated physical channel for a communication radiolink of the user equipment to a cell of the cellular radio network and the user equipment is configured to be operated in a connected mode of a communication radiolink via the dedicated physical channel, and

wherein the synchronization-indication is generated from power monitoring of the dedicated physical channel, and

wherein the device is provided in a predetermined area or as part of the user equipment.