1. A method of triggering transmission of a new Scheduling Information (SI) used in a user end (UE) of a wireless communications system comprising:
executing a hybrid automatic repeat request (HARQ) process to transmit a packet comprising SI; and
triggering transmission of a new SI when a number of transmissions of the packet comprising SI is greater than or equal to a maximum number of transmissions, and the UE has not received an acknowledgement message corresponding to the packet comprising SI.
2. A communications device of a wireless communications system utilized for timely transmission of a new Scheduling Information (SI) to avoid radio resource waste comprising:
a control circuit for realizing functions of the communications device;
a processor installed in the control circuit, for executing a program code to operate the control circuit; and
a memory coupled to the processor for storing the program code;
wherein the program code comprises:
executing a hybrid automatic repeat request (HARQ) process to transmit a packet comprising SI; and
triggering transmission of a new SI when a number of transmissions of the packet comprising SI is greater than or equal to a maximum number of transmissions, and the UE has not received an acknowledgement message corresponding to the packet comprising SI.
3. The method of claim 1 and the communications device of claim 2, wherein the packet comprising SI contains multiplex higher layer data.
4. The method of claim 1 and the communications device of claim 2, wherein the maximum number of transmission is recorded in an HARQ profile.
5. The method of claim 1 and the communications device of claim 2, wherein the acknowledgement message comprises an acknowledged protocol data unit (ACK PDU) or a negatively-acknowledged PDU (NACK PDU).
6. The method of claim 1 and the communications device of claim 2, wherein the acknowledgement message is transmitted by a radio link set (RLS) comprising a serving cell.
7. The method of claim 1 and the communications device of claim 2, wherein the acknowledgement message is transmitted through an enhanced dedicated channel (E-DCH) HARQ acknowledgement indicator channel (E-HICH).
8. The method of claim 1 and the communications device of claim 2, wherein the HARQ process notifies a scheduling information reporting function to trigger a new SI transmission when the HARQ process failed to deliver the triggered SI.
9. The method of claim 1 and the communications device of claim 2, wherein the wireless communications system is a high speed uplink packet access system of a third generation (3G) mobile communications system.
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. Apparatus for determining operation compatibility of a first field device and a second field device, the second field device being a candidate for replacing the first field device in an industrial process, the first and second field devices configured to communicate using the same communications protocol, the apparatus comprising:
a processor; and
a memory containing instructions which, when executed under control of the processor, control the apparatus to:
retrieve data relating to the first field device and data relating to the second field device;
perform a compatibility check based on the data relating to the first and second field devices to determine whether the second field device is compatible as a replacement for the first field device in the industrial process; and
generate, for display, on a display, a result of the compatibility check.
2. Apparatus according to claim 1 configured, under control of the processor, to perform the compatibility check by performing a first compatibility check including comparing the data of the first field device with the data of the second field device to determine whether the data of the first and second field devices are the same, wherein comparing the data includes comparing model, revision and vendor information relating to the first field device and the second field device.
3. Apparatus according to claim 1, configured, under control of the processor to perform the compatibility check by performing a first compatibility check including:
initiating a lookup module providing predetermined combinations of compatible field devices;
comparing the data relating to the first field device and the data relating to the second field device with the predetermined combinations of compatible field devices.
4. Apparatus according to claim 2 configured, under control of the processor to perform the compatibility check by:
performing a second compatibility check including initiating a lookup module providing predetermined combinations of compatible field devices; and
comparing the data relating to the first field device and data relating to the second field device with the predetermined combinations of compatible field devices.
5. Apparatus according to claim 3 or claim 4, wherein one of the predetermined combinations of compatible field devices have data different from the data of the second field device, wherein the data includes one of: model, revision and vendor.
6. Apparatus according to any of claims 1 to 4 configured, under control of the processor, prior to retrieving data relating to the first field device and data relating to the second field device, to: search for one of a plurality of field devices configured to communicate using the same communications protocol as the second field device, the one of the plurality of field devices being the first field device.
7. Apparatus according to any of claims 1 to 4 configured, under control of the processor to:
generate, for display on the display, a result of the compatibility check being that the second field device is compatible with the first field device;
generate, for display on the display, a first user-selectable screen object for requesting one of a plurality of device-related tasks to be performed on the second field device.
8. Apparatus according to claim 7 configured, under control of the processor to:
generate, for display on the display, a second user-selectable screen object for requesting information identifying one or more parameters related to the first field device based on a result of the compatibility check being that the second field device is compatible with the first field device.
9. Apparatus according to claim 8 configured, under control of the processor to:
receive a request for information identifying one or more parameters related to the first field device;
retrieve the information identifying one or more parameters related to the first field device from a database server;
generate, for display on the display, the one or more parameters related to the first field device.
10. Apparatus according to claim 9 configured, under control of the processor to present a graphical user interface on the display, the graphical user interface being configured to allow the user to select the one or more parameters related to the first field device to be transferred to the second field device.
11. Apparatus according to claim 10 configured, under control of the processor to:
receive a request to select the one or more parameters related to the first field device to be transferred to the second field device;
initiate execution of a parameter module for transferring the one or more parameters to the second field device.
12. Apparatus according to any of claims 1 to 4, wherein the display is a display of the apparatus or a display of a terminal different from the apparatus.
13. Method for determining operation compatibility of a first field device and a second field device, the second field device being a candidate for replacing the first field device in an industrial process, the first and second field devices configured to communicate using the same communications protocol, the method comprising using a processor:
retrieving, using a processor, data relating to the first field device and data relating to the second field device;
performing, using the processor, a compatibility check based on the data relating to the first and second devices to determine whether the second field device is compatible as a replacement for the first field device in the industrial process; and
generating, using the processor, for display, on a display, a result of the compatibility check.
14. Method according to claim 13, wherein performing the compatibility check includes performing a first compatibility check including comparing the data of the first field device with the data of the second field device to determine whether the data of the first and second field devices are the same, wherein comparing the data includes comparing model, revision and vendor information relating to the first field device and the second field device.
15. Method according to claim 13, wherein performing the compatibility check includes performing a first compatibility check including:
initiating a lookup module providing predetermined combinations of compatible field devices;
comparing the data relating to the first field device and the data relating to the second field device with the predetermined combinations of compatible field devices.
16. Method according to claim 14, wherein performing the compatibility check includes:
performing a second compatibility check including initiating a lookup module providing predetermined combinations of compatible field devices; and
comparing the data relating to the first field device and data relating to the second field device with the predetermined combinations of compatible field devices.
17. Method according to claim 15 or claim 16, wherein one of the predetermined combinations of compatible field devices have data different from the data of the second field device, wherein the data includes one of: model, revision and vendor.
18. Method according to any one of claims 13 to 16 further comprising, prior to retrieving data relating to the first field device and data relating to the second field device, searching, using the processor, for one of a plurality of field devices configured to communicate using the same communications protocol as the second field device.
19. Method according to any of claims 13 to 16 further comprising:
generating, using the processor, for display on the display, a result of the compatibility check being that the second field device is compatible with the first field device;
generating, using the processor, for display on the display, a first user-selectable screen object for requesting one of a plurality of device-related tasks to be performed on the second field device.
20. Method according to claim 19 further comprising, using the processor:
generating, for display on the display, a second user-selectable screen object for requesting information identifying one or more parameters related to the first field device based on a result of the compatibility check being that the second field device is compatible with the first field device.
21. Method according to claim 20 further comprising:
receiving, using the processor, a request to select the one or more parameters related to the first field device to be transferred to the second field device;
retrieving, using the processor, information identifying one or more parameters from a database server based on a result of the compatibility check being that the first field device is compatible with the second field device, the one or more parameters being related to the first field device;
generating, using the processor, for display on the display, the one or more parameters related to the first device.
22. Method according to claim 21 wherein generating the one or more parameters include a graphical user interface on the display, the graphical user interface being configured to allow the user to select the one or more parameters related to the first field device to be transferred to the second field device.
23. Method according to claim 21 further comprising initiating, using the processor, execution of a parameter module for transferring the one or more parameters to the second field device.
24. Method according to any of claims 13 to 16, wherein the display is a display of the apparatus or a display of a terminal different from the apparatus.
25. A machine readable medium, having stored thereon machine readable instructions for executing, in a machine, all the steps of the method according to any one of claims 14 to 16.