Abstract
A method and apparatus for reconfiguring a wireless transmit/receive unit (WTRU) are directed to receiving an active set update message indicating that a mode of operation allowing a certain modulation scheme is enabled or disabled and performing at least one of: performing a MAC reset procedure updating a set of reference enhanced transport format combination indicators (E-TFCIs) and associated power offsets determining actions related to E-DPCCH boosting modifying information related to an enhanced dedicated channel (E-DCH) and modifying an index that indicates an E-DCH transport block size table. The update message includes at least one modified information element (IE).
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method for reconfiguring a wireless transmit/receive unit (WTRU) to enable or disable operation allowing a certain modulation scheme, comprising: receiving an active set update message indicating that a mode of operation allowing a certain modulation scheme is enabled or disabled; and performing at least one of: performing a MAC reset procedure; updating a set of reference enhanced transport format combination indicators (E-TFCIs) and associated power offsets; determining actions related to E-DPCCH boosting; modifying information related to an enhanced dedicated channel (E-DCH); and modifying an index that indicates an E-DCH transport block size table.
2. The method of claim 1 wherein the update message contains information enabling the WTRU to update an active set; the active set indicating active cells available to the WTRU for communication.
3. The method of claim 1, wherein performing a MAC reset procedure comprises performing a MAC-e/es reset.
4. The method of claim 3 wherein performing the MAC-es/e reset occurs only if the WTRU receives a particular information element (IE) contained in the update message.
5. The method of claim 1, wherein the modifying of information related to an enhanced dedicated channel (E-DCH) comprises modifying a power offset of an enhanced dedicated physical control channel (E-DPCCH).
6. The method of claim 1, wherein determining actions related to E- DPCCH boosting comprises modifying an E-TFCI threshold, wherein boosting of E-DPCCH is enabled if an E-TFCI value exceeds the threshold.
7. The method of claim 5, wherein modifying a power offset of an enhanced dedicated physical control channel (E-DPCCH) comprises: using a new value of the power offset if received in a separate IE included in the update message; and using an existing value of the power offset if the separate IE is not included in the update message.
8. The method of claim 6, wherein modifying an E-TFCI threshold comprises: using a new value of the threshold if received in a separate IE included in the update message; and using an existing value of the threshold if the separate IE is not
included in the update message.
9. The method of claim 1, wherein modifying an index that indicates an E- DCH transport block size table comprises: using an E-DCH Transport Block Size table indicated by an index received in a separate IE included in the update message; and using an E-DCH Transport Block Size table indicated by a previous index if the separate IE is not included in the update message
10. The method of claim 1 further comprising predefining information elements (IEs) to be optionally included in the update message, the IEs including at least one of: a UL 16QAM configuration IE comprising at least one of: a UL 16QAM settings IE, the presence of which indicates that the WTRU may operate in 16QAM mode, and the absence of which indicates that the WTRU is not to operate in 16QAM mode, a MAC-es/e reset indicator, configured to indicate whether or not a MAC-es/e entity is to be reset, and an E-TFCI table index IE, configured to indicate which standardized E-DCH transport block size table shall be used; an E-TFCI boost IE, setting an E-TFCI threshold beyond which the E-', 'DPCCH boosting is enabled; and an E-DCH reconfiguration information IE comprising a first reference', 'E-TFCI power offset (E-TFCI PO) IE, the first reference E-TFCI PO IE
comprising an integer, wherein the integer can take on values which are used only when an E-TFCI exceeds the E-TFCI boost threshold
11. The method of claim 10, wherein the UL 16QAM settings IE is the UL 16QAM settings IE defined in section 10.3.6.86a of the standard 3GPP TS 25.331, version 7.6.0 or later
12. The method of claim 1, wherein the active set update message comprises at least one of: an E-DPCCH/DPCCH power offset IE, which is not present if a serving E-DCH cell is changed with the update message; a reference E-TFCIs IE, which is not present if the serving E-DCH cell is changed with the message; sub IEs related to the reference E-TFCIs IE; a reference E-TFCI IE, comprising an integer; and a reference E-TFCI PO IE comprising an integer, wherein the integer can take on values used only when an E-TFCI exceeds the E-TFCI boost threshold
13. The method of claim 12, wherein the reference E-TFCI PO IE is based on quantization of power offset described in the standard 3GPP TS 25.213
14. The method of claim 10, wherein resetting a MAC comprises: determining if the UL 16QAM configuration IE is included in the
update message; and if the UL 16QAM configuration IE is included, performing at least one of: indicating to lower layers to stop any operation in a particular modulation mode if the UL 16QAM settings IE is not included in the UL 16QAM configuration IE; determining whether or not a MAC-es/e reset indicator is included in the UL 16QAM configuration IE; and resetting a MAC-es/e entity if the MAC-es/e reset indicator is included
15. The method of claim 14, wherein the particular modulation mode is 16- symbol quadrature amplitude modulation (16QAM)
16. The method of claim 14, wherein if the MAC-es/e reset indicator is not included and if operation in a particular modulation mode starts or stops, behavior of the WTRU is unspecified
17. The method of claim 16, wherein the particular modulation mode is 16QAM
18. The method of claim 14, wherein resetting a MAC-es/e entity is performed according to the standard 3GPP TS 25.321, version 7.5.0 or later
19. The method of claim 14, wherein if the UL 16QAM configuration IE is not included in the update message and if the WTRU is operating in a particular modulation mode, behavior of the WTRU is unspecified.
20. The method of claim 19, wherein the particular modulation mode allows 16QAM modulation.
21. The method of claim 12 wherein updating a set of reference enhanced transport format combination indicators and associated power offsets comprises: if an E-TFCI boost IE is included anywhere in the message; acting on the E-TFCI boost IE; if the E-DPCCH/DPCCH Power Offset IE is included anywhere in the message, acting on the E-DPCCH/DPCCH Power Offset IE; and if the Reference E-TFCIs IE is included anywhere in the message, acting on the Reference E-TFCIs IE and any sub-IEs in it.
22. The method of claim 10, wherein at least one of the IEs is added at the root of the update message.
23. The method of claim 10, wherein at least one of the IEs is added within another IE.
24. The method of claim 10, wherein at least one of the IEs is added within
an E-DCH reconfiguration information IE.
25. The method of claimlO, wherein an E-DCH Info IE is added to the active set update message.
26. A wireless transmit/receive unit (WTRU) comprising: a media access control (MAC) unit; a radio resource control (RRC) unit connected to the MAC unit and configured to receive an active set update message indicating that a mode of operation allowing a certain modulation scheme is enabled or disabled; and a physical layer (PHY) unit connected to the RRC unit; the RRC unit configured to respond to the update message by performing at least one of: interacting with the MAC to perform a MAC reset procedure; and interacting with the PHY to: update a set of reference enhanced transport format combination indicators (E-TFCIs) and associated power offsets; determine actions related to E-DPCCH boosting; modify information related to an enhanced dedicated channel (E- DCH); and modify an index that indicates an E-DCH transport block size table.
27. The WTRU of claim 26, wherein at least one of the RRC and PHY is configured to update an active set, the active set indicating active cells available to the WTRU for communication.
28. The WTRU of claim 26, wherein the RRC unit is configured to interact with the MAC to perform a MAC reset procedure by performing a MAC-e/es reset.
29. The WTRU of claim 28, wherein the RRC is configured to perform the MAC-es/e reset only if the RRC receives a particular information element (IE) contained in the update message.
30. The WTRU of claim 26 wherein at least one of the RRC and PHY is configured to perform the modifying of information related to a dedicated channel (DCH) by modifying a power offset of a dedicated physical control channel (DPCCH).
31. The WTRU of claim 26 wherein at least one of the RRC and PHY is configured to determine actions related to E-DPCCH boosting by modifying an E-TFCI threshold, wherein boosting of E-DPCCH is enabled if an E-TFCI value exceeds the threshold.
32. The WTRU of claim 30, wherein at least one of the RRC and PHY is configured to perform the modifying a power offset of an enhanced dedicated
physical control channel (E-DPCCH)by: using a new value of the power offset if received in a separate IE included in the update message; andv using an existing value of the power offset if the separate IE is not included in the update message.
33. The WTRU of claim 31 wherein at least one of the RRC and PHY is configured to modify an E-TFCI threshold by: using a new value of the threshold if received in a separate IE included in the update message; and using an existing value of the threshold if the separate IE is not included in the update message.
34. The WTRU of claim 26, wherein at least one of the RRC and PHY is configured for the modifying of an index that indicates a transport block size table by: using an E-DCH Transport Block Size table indicated by an index received in a separate IE included in the update message; and using an E-DCH Transport Block Size table indicated by a previous index if the separate IE is not included in the update message.
35. The WTRU of claim 26, wherein at least one of the RRC and PHY is configured to receive and respond to the update message if the message comprises predefined information elements (IEs) the IEs comprising at least
one of: a UL 16QAM configuration IE comprising at least one of: a UL 16QAM settings IE, the presence of which indicates that the WTRU may operate in 16QAM mode, and the absence of which indicates that the WTRU is not to operate in 16QAM mode, a MAC-es/e reset indicator, configured to indicate whether or not a MAC-es/e entity is to be reset, and an E-TFCI table index IE, configured to indicate which standardized E-DCH Transport Block Size table shall be used; an E-TFCI boost IE, setting an E-TFCI threshold beyond which boosting of an E-DPCCH is enabled; and an E-DCH reconfiguration information IE comprising a first reference E-TFCI PO IE, the first reference E-TFCI PO IE comprising an integer, wherein the integer can take on values used only when an E-TFCI exceeds the E-TFCI boost threshold.
36. The WTRU of claim 35, wherein at least one of the RRC and PHY is configured to receive and respond to the update message if the UL 16QAM settings IE is the UL 16QAM settings IE defined in section 10.3.6.86a of the standard 3GPP TS 25.331, version 7.6.0 or later.
37. The WTRU of claim 35, wherein at least one of the RRC and PHY is
configured to receive and respond to the update message if the message comprises at least one of: an E-DPCCH/DPCCH power offset IE, which is not present if a serving E-DCH cell is changed with the message; a reference E-TFCIs IE, which is not present if the serving E-DCH cell is changed in the update message; sub IEs related to the reference E-TFCIs IE a reference E-TFCI IE, comprising an integer; and a reference E-TFCI PO IE comprising an integer defining quantization of a power offset, wherein the integer can take on values used only when an E- TFCI exceeds the E-TFCI boost threshold.
38. The WTRU of claim 37, wherein at least one of the RRC and PHY is configured to receive and respond to the update message if the reference E- TFCI PO IE is based on quantization of power offset described in the standard 3GPP TS 25.213.
39. The WTRU of claim 35, wherein at least one of the RRC and PHY is configured to receive the update message and reset the MAC by: determining if the UL 16QAM configuration IE is included in the update message; and if the UL 16QAM configuration IE is included, performing at least one of: indicating to lower layers to stop any operation in a particular
modulation scheme if the UL 16QAM settings IE is not included in the UL 16QAM configuration IE, determining whether or not a MAC-es/e reset indicator is included in the UL 16QAM configuration IE, and resetting a MAC-es/e entity if the MAC-es/e reset indicator is included.
40. The WTRU of claim 39, wherein at least one of the RRC and PHY is configured to receive and respond to the update message if the particular modulation mode is 16-symbol quadrature amplitude modulation (16QAM).
41. The WTRU of claim 39, wherein at least one of the RRC and MAC is configured to receive and respond to the update message such that if the MAC-es/e reset indicator is not included and if operation in a particular mode starts or stops, behavior of the WTRU is unspecified.
42. The WTRU of claim 39, wherein at least one of the RRC and MAC is configured to receive and respond to the update message if the particular modulation mode is 16-symbol quadrature amplitude modulation (16QAM).
43. The WTRU of claim 39, wherein at least one of the RRC and MAC is configured to receive and respond to the update message if resetting a MAC- es/e entity is performed according to the standard 3GPP TS 25.321, version
44. The WTRU of claim 39, wherein at least one of the RRC and PHY is configured to receive and respond to the update message such that if the UL 16QAM configuration IE is not included in the update message and if the WTRU is operating in a particular modulation mode, behavior of the WTRU is unspecified.
45. The WTRU of claim 44, wherein at least one of the RRC and PHY is configured to receive and respond to the update message if the particular modulation mode is 16QAM.
46. The WTRU of claim 37, wherein at least one of the RRC and PHY is configured to update a set of reference enhanced transport format combination indicators and associated power offsets by: if an E-TFCI boost IE is included anywhere in the message; acting on the E-TFCI boost IE; if the E-DPCCH/DPCCH Power Offset IE is included anywhere in the message, acting on the E-DPCCH/DPCCH Power Offset IE; and if the Reference E-TFCIs IE is included anywhere in the message, acting on the E-TFCIs IE and any sub-IEs in it.
47. The WTRU of claim 35 ,wherein at least one of the RRC , MAC, and PHY is configured to receive and respond to the update message if at least one of the IEs is added at the root of the update message.
48. The WTRU of claim 35, wherein at least one of the RRC , MAC, and PHY is configured to receive and respond to the update message if at least one of the IEs is added within another IE.
49. The WTRU of claim 35, wherein at least one of the RRC , MAC, and PHY is configured to receive and respond to the update message if at least one of the IEs is added within an E-DCH reconfiguration information IE.
50. The WTRU of claim 35, wherein at least one of the RRC , MAC, and PHY is configured to receive and respond to the update message if an E-DCH Info IE is added to the active set update message.']
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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