Abstract
A method and apparatus for paging a wireless transmit/receive unit (WTRU) in a CELL_PCH and URA_PCH states are disclosed. A WTRU may send an indication of an enhanced paging channel (PCH) capability of receiving a high speed downlink shared channel (HS-DSCH) in CELL_PCH and URA_PCH states for example in a CELL UPDATE message a URA UPDATE message or a UTRAN MOBILITY INFORMATION CONFIRM message. A drift radio network controller (DRNC) may receive an indication whether the WTRU has an enhanced PCH capability from a serving RNC and page the WTRU based on the indication. An RNC may page the WTRU over both an HS-DSCH and a PCH/secondary common control physical channel (S-CCPCH) if a WTRU capability is not known. The WTRU may monitor both an HS-DSCH and a PCH/S-CCPCH. The WTRU may configure reception over an HS-DSCH based on the capability of the SRNC or configuration from the network.
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| 3G | 18/09/2008 | ISLD-200811-003 | INTERDIGITAL INC | Yes | Basis Patent | ||||
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Technologies
Resource configuration
Product
Use Cases
Wireless communication
Services
Claim
1. A method for triggering a transfer of an update message by a wireless transmit/receive unit (WTRU) in a URA_PCH state, the method comprising:
the WTRU in the URA_PCH state performing cell reselection from a first cell that does not support enhanced paging channel (PCH) to a second cell in a same UTRAN routing area (URA) that does support enhanced PCH;
triggering the transfer of the update message upon a determination that the WTRU has reselected to the second cell in the same URA that supports enhanced PCH;
indicating in the update message that the WTRU is capable of monitoring a high speed downlink shared channel (HS-DSCH) for paging messages; and
monitoring the HS-DSCH for paging messages on the second cell.', 'the WTRU in the URA_PCH state performing cell reselection from a first cell that does not support enhanced paging channel (PCH) to a second cell in a same UTRAN routing area (URA) that does support enhanced PCH;', 'triggering the transfer of the update message upon a determination that the WTRU has reselected to the second cell in the same URA that supports enhanced PCH;', 'indicating in the update message that the WTRU is capable of monitoring a high speed downlink shared channel (HS-DSCH) for paging messages; and', 'monitoring the HS-DSCH for paging messages on the second cell.
2. The method of claim 1 wherein the determination that the WTRU has reselected to the second cell in the same URA that does support enhanced PCH is based on whether an information element (IE) HS-DSCH paging system information is present in a system information block.
3. The method of claim 1 wherein the second cell is controlled by a radio network controller (RNC) that is different from an RNC that controlled the first cell.
4. The method of claim 3 wherein the WTRU determines that the RNC of the second cell is different if a serving RNC identity in a UTRAN radio network temporary identity (U-RNTI) is different than 12 most significant bits of a cell identity.
5. The method of claim 1 wherein the transfer of the update message is triggered if the WTRU is unaware if a radio network controller (RNC) to which the WTRU is connected supports enhanced PCH.
6. The method of claim 1 wherein the update message is a URA UPDATE message.
7. A wireless transmit/receive unit (WTRU) configured to receive a paging message in a URA_PCH state, the WTRU comprising:
a controller configured to trigger transfer of an update message when the WTRU in the URA_PCH state reselects from a first cell that does not support enhanced paging channel (PCH) to a second cell in the same UTRAN routing area (URA) that does support enhanced PCH, the update message including an indication that indicates an enhanced PCH capability of receiving a high speed downlink shared channel (HS-DSCH) in the URA_PCH state; and
a transceiver configured to:
monitor a HS-DSCH for paging messages on the second cell; and
receive a message over an HS-DSCH.', 'a controller configured to trigger transfer of an update message when the WTRU in the URA_PCH state reselects from a first cell that does not support enhanced paging channel (PCH) to a second cell in the same UTRAN routing area (URA) that does support enhanced PCH, the update message including an indication that indicates an enhanced PCH capability of receiving a high speed downlink shared channel (HS-DSCH) in the URA_PCH state; and', 'a transceiver configured to:
monitor a HS-DSCH for paging messages on the second cell; and
receive a message over an HS-DSCH.', 'monitor a HS-DSCH for paging messages on the second cell; and', 'receive a message over an HS-DSCH.
8. The WTRU of claim 7 wherein a determination that the WTRU has reselected to the second cell in the same URA that does support enhanced PCH is made based on whether an information element (IE) HS-DSCH paging system information is present in a system information block.
9. The WTRU of claim 7 wherein the update message including the indication is sent on a condition that the second cell supporting enhanced PCH is controlled by a radio network controller (RNC) that is different than an RNC that controls the first cell
10. The WTRU of claim 9 wherein the controller determines that the RNC of the second cell is different on a condition that a serving RNC identity in a UTRAN radio network temporary identity (U-RNTI) is different than 12 most significant bits of a cell identity
11. The WTRU of claim 7 wherein the transfer of the update message is triggered if the WTRU is unaware if a radio network controller to which the WTRU is connected supports enhanced PCH
12. The WTRU of claim 7 wherein the update message is a URA UPDATE message.']
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.