Abstract
A method and an apparatus for sending a signal on a contentious feedback channel for a downlink shared service and for estimating a number of wireless transmit/receive units (WTRUs) are disclosed. When a transmission criterion associated with a physical random access feedback channel (P-RAFCH) is satisfied a physical resource is randomly selected among a plurality of physical resources assigned for the P-RAFCH and a pre-configured signal is sent using the selected physical resource. A Node-B receives the pre-configured signal from a plurality of WTRUs and calculates a number of the WTRUs based on a number of used physical resources. The transmission criterion is at least one of successful reception of a data packet on a downlink physical channel successful reception of a data block on a data service reception of a signaling command occurrence of a measurement event and failure to receive a transmission after a specified number of times.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 4G | 19/09/2008 | ISLD-200901-001 | INTERDIGITAL INC |
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| 4G | 30/11/2012 | ISLD-201210-010 | INTERDIGITAL INC |
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| 4G | 26/09/2014 | ISLD-201409-035 | INTERDIGITAL INC |
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| 4G | 31/10/2019 | ISLD-201909-015 | INTERDIGITAL INC |
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| 5G | 08/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | |||||||
| US2010014434A1 | 4G | 19/09/2008 | ISLD-200901-001 | INTERDIGITAL INC |
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No | Family Member | |||
| US2010014434A1 | 4G | 30/11/2012 | ISLD-201210-010 | INTERDIGITAL INC |
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No | Family Member | |||
| US2010014434A1 | 4G | 26/09/2014 | ISLD-201409-035 | INTERDIGITAL INC |
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No | Family Member | |||
| US2010014434A1 | 4G | 31/10/2019 | ISLD-201909-015 | INTERDIGITAL INC |
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No | Family Member | |||
| US2010014434A1 | 5G | 08/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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| US2012026913A1 | 4G | 19/09/2008 | ISLD-200901-001 | INTERDIGITAL INC |
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| US2012026913A1 | 4G | 30/11/2012 | ISLD-201210-010 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
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| US2012026913A1 | 4G | 31/10/2019 | ISLD-201909-015 | INTERDIGITAL INC |
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| US2012026913A1 | 5G | 08/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
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| US9391735B2 | 4G | 31/10/2019 | ISLD-201909-015 | INTERDIGITAL INC |
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| US9391735B2 | 5G | 08/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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| CN102138361A | 4G | 30/11/2012 | ISLD-201210-010 | INTERDIGITAL INC |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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