Abstract
A root key (K_iwf) is derived at a network and sent to MTC UE (10). The K_iwf is used for deriving subkeys for protecting communication between MTC UE (10) and MTC-IWF (20). In a case where HSS (30) derives the K_iwf, HSS (30) send to MTC-IWF (20) the K_iwf in a new message (Update Subscriber Information). In a case where MME (40) derives the K_iwf, MME (40) sends the K_iwf through HSS (30) or directly to MTC-IWF (20). MTC-IWF (20) can derive the K_iwf itself. The K_iwf is sent through MME (40) to MTC UE (10) by use of a NAS SMC or Attach Accept message, or sent from MTC-IWF (20) directly to MTC UE (10). In a case where the K_iwf is sent from MME (40), MME (40) receives the K_iwf from HSS (30) in an Authentication Data Response message, or from MTC-IWF (20) directly.
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| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
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No | Family Member | |||
| 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
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No | Family Member | |||
| 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
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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 | |||||||
| WO2014087643A1 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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Yes | Basis Patent | |||
| WO2014087643A1 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
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Yes | Basis Patent | |||
| WO2014087643A1 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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Yes | Basis Patent | |||
| CN104854891A | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| CN104854891A | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
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No | Family Member | |||
| CN104854891A | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| EP2929710A1 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| EP2929710A1 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
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No | Family Member | |||
| EP2929710A1 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| EP3589001A1 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| EP3589001A1 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| EP3589001A1 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| JP2016503590A | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| JP2016503590A | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
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No | Family Member | |||
| JP2016503590A | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| JP2017098986A | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| JP2017098986A | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| JP2017098986A | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| JP6418230B2 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| JP6418230B2 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| JP6418230B2 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| US10412579B2 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| US10412579B2 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
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No | Family Member | |||
| US10412579B2 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| US2015304841A1 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| US2015304841A1 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
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No | Family Member | |||
| US2015304841A1 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
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No | Family Member | |||
| US2019335329A1 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
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No | Family Member | |||
| US2019335329A1 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
|
No | Family Member | |||
| US2019335329A1 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
|
No | Family Member | |||
| EP2929710B1 | 5G,4G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
|
No | Family Member | |||
| EP2929710B1 | 5G,4G,3G,2G | 28/09/2020 | ISLD-202009-022 | NEC CORP |
S1
S2
|
No | Family Member | |||
| EP2929710B1 | 5G,4G | 29/09/2022 | ISLD-202209-072 | NEC CORP |
S1
|
No | Family Member | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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