1. An apparatus, comprising:
a processor; and
memory including computer program code
said memory and said computer program code configured to, with said processor, cause said apparatus to perform at least the following:
determine a current mobility state from a plurality of mobility states of said apparatus in an idle mode or a connected mode;
determine whether or not to collect, store, and report measurement data in said memory depending on said current mobility state;
at least one of collect, store, or report based on said current mobility state; and
determining the mobility state by determining at least one of a velocity in accordance with a global positioning system or a number of cell reselectionscell handovers in a period of time.
2. The apparatus as recited in claim 1 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to collect and store said measurement data in said memory when said apparatus is in a predefined mobility state.
3. The apparatus as recited in claim 1 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to transmit said measurement data to a base station in a connected mode.
4. The apparatus as recited in claim 1 wherein said measurement data comprises signal quality or power received at said apparatus.
5. The apparatus as recited in claim 1 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to determine said mobility state of said apparatus, and collect and store said measurement data in said memory in accordance with a control strategy from a base station.
6. The apparatus as recited in claim 5 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to receive said control strategy from said base station through radio resource control signaling when said apparatus is in a connected mode or a system information broadcast message when said apparatus is in an idle mode.
7. A method, comprising:
determining a current mobility state from a plurality of mobility states of a user equipment in an idle mode or a connected mode;
determining whether or not to undergo collecting, storing, and reporting measurement data in memory depending on said current mobility state;
at least one of collecting, storing, reporting based on said current mobility state; and
determining the mobility state by determining at least one of a velocity in accordance with a global positioning system or a number of cell reselectionscell handovers in a period of time.
8. The method as recited in claim 7 wherein said collecting and storing said measurement data is performed when said user equipment is in a predefined mobility state.
9. An apparatus, comprising:
a processor; and
memory including computer program code
said memory and said computer program code configured to, with said processor, cause said apparatus to perform at least the following:
determine a current mobility state from a plurality of mobility states of a user equipment in an idle mode or a connected mode, wherein the mobility state is determined by at least one of a velocity in accordance with a global positioning system or a number of cell reselectionscell handovers in a period of time;
direct said user equipment to determine whether or not to collect, store, and report measurement data depending on said current mobility state; and
at least one of collect, store, and report based on said current mobility state.
10. The apparatus as recited in claim 9 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to direct said user equipment to collect and store said measurement data when said user equipment is in a predefined mobility state.
11. The apparatus as recited in claim 9 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to receive said measurement data when said user equipment is in a connected mode.
12. The apparatus as recited in claim 9 wherein said measurement data comprises signal quality or power received at said user equipment.
13. The apparatus as recited in claim 9 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to direct said user equipment to collect and store said measurement data in accordance with a control strategy.
14. The apparatus as recited in claim 13 wherein said memory and said computer program code is configured to, with said processor, cause said apparatus to transmit said control strategy to said user equipment through radio resource control signaling when said user equipment is in a connected mode or a system information broadcast message when said user equipment is in an idle mode.
15. A method, comprising:
determining a current mobility state from a plurality of mobility states of a user equipment in an idle mode or a connected mode, wherein the mobility state is determined by at least one of a velocity in accordance with a global positioning system or a number of cell reselectionscell handovers in a period of time;
directing said user equipment to determine whether or not to collect, store, and report measurement data depending on said current mobility state; and
at least one of collect, store, or report based on current mobility state.
16. The method as recited in claim 15 wherein said directing said user equipment to collect and store said measurement data occurs when said user equipment is in a predefined mobility state.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An integrated circuit comprising:
a first controllable current sink having a first input and a first output, the first output configured to drive a first end of a primary winding of a transformer;
a second controllable current sink having a second input and a second output, the second output configured to drive a second end of the primary winding of the transformer;
modulator circuitry configured to drive the first input of the first current sink and drive the second input of the second current sink based upon an input signal and limited by first and second feedback signals; and
protection circuitry configured to produce the first and second feedback signals to limit operations of the first controllable current sink and the second controllable current sink to protect the integrated circuit from voltage levels greater than a protection voltage of the integrated circuit at the first output and the second output.
2. The integrated circuit of claim 1, wherein the transformer comprises a center tap that is electrically connected to a voltage of between two to five times greater than a supply voltage of the integrated circuit.
3. The integrated circuit of claim 1, wherein at least one of the first and second controllable current sinks comprises an active circuit.
4. The integrated circuit of claim 1, wherein the protection circuitry comprises:
a first main protection circuit configured to connect in series between the first end of the primary winding of the transformer and the modulator circuitry; and
a second main protection circuit configured to connect in series between the second end of the primary winding of the transformer and the modulator circuitry.
5. The integrated circuit of claim 4, wherein:
the first protection circuit comprises a first attenuator having a first input configured to couple to the first end of the primary winding and a second input coupled to a first reference voltage; and
the second protection circuit comprises a second attenuator having a first input configured to couple to the second end of the primary winding and a second input coupled to a second reference voltage.
6. The integrated circuit of claim 5, wherein the first reference voltage comprises one of:
a same voltage as the second reference voltage; or
a different voltage than the second reference voltage.
7. The integrated circuit of claim 1, wherein:
the first controllable current sink comprises a first transistor; and
the second controllable current sink comprises a second transistor.
8. The integrated circuit of claim 1, wherein the modulator circuitry is configured so that one of the first controllable current sink and the second controllable current sinks current at any time.
9. An integrated circuit comprising:
a first controllable current sink having a first input and a first output, the first output configured to drive a first end of a primary winding of a transformer;
a second controllable current sink having a second input and a second output, the second output configured to drive a second end of the primary winding of the transformer;
a first main protection circuit configured to connect in series between the first end of the primary winding of the transformer and the first input of the first controllable current sink; and
a second main protection circuit configured to connect in series between the second end of the primary winding of the transformer and the second input of the second controllable current sink,
wherein the first and second main protection circuits are configured to limit operations of the first controllable current sink and the second controllable current sink to protect the integrated circuit from voltage levels greater than a protection voltage of the integrated circuit at the first and second output.
10. The integrated circuit of claim 9, wherein the transformer comprises a center tap that is electrically connected to a voltage of between two to five times greater than a supply voltage of the integrated circuit.
11. The integrated circuit of claim 9, wherein at least one of the first and second current sinks comprises an active circuit.
12. The integrated circuit of claim 9, wherein an input signal that drives the first controllable current sink and the second controllable current sink comprises a differential information signal.
13. The integrated circuit of claim 12, wherein:
the first protection circuit comprises a first attenuator having a first input configured to couple to the first end of the primary winding and a second input coupled to receive a positive input of the differential information signal; and
the second protection circuit comprises a second attenuator having a first input configured to couple to the second end of the primary winding and a second input coupled to receive a negative input of the differential information signal.
14. The integrated circuit of claim 9, wherein:
the first controllable current sink comprises a first transistor; and
the second controllable current sink comprises a second transistor.
15. An integrated circuit comprising:
a first transistor having a gate receiving a first input, a drain providing a first output, and a source coupled to a reference voltage, the first output configured to drive a first end of a primary winding of a transformer;
a second transistor having a gate receiving a second input, a drain providing a second output, and a source coupled to a reference voltage, the second output configured to drive a second end of the primary winding of the transformer;
a first main protection circuit configured to connect in series between the first end of the primary winding of the transformer and the first input of the first transistor; and
a second main protection circuit configured to connect in series between the second end of the primary winding of the transformer and the second input of the second transistor,
wherein the first and second main protection circuits are configured to limit operations of the first transistor and the second transistor to protect the integrated circuit from voltage levels greater than a protection voltage of the integrated circuit at the first and second output.
16. The integrated circuit of claim 15, wherein the transformer comprises a center tap that is electrically connected to a voltage of between two to five times greater than a supply voltage of the integrated circuit.
17. The integrated circuit of claim 15, wherein an input signal that drives the first transistor and the second transistor comprises a differential information signal.
18. The integrated circuit of claim 17, wherein:
the first protection circuit comprises a first attenuator having a first input configured to couple to the first end of the primary winding and a second input coupled to receive a positive input of the differential information signal; and
the second protection circuit comprises a second attenuator having a first input configured to couple to the second end of the primary winding and a second input coupled to receive a negative input of the differential information signal.
19. The integrated circuit of claim 17, wherein an input signal that drives the first and second transistors comprises a Power Line Communication (PLC) information signal.
20. The integrated circuit of claim 9, wherein an input signal that drives the first and second controllable current sinks comprises a Power Line Communication (PLC) information signal.