Abstract
Methods and apparatus are provided for communicating on a licensed carrier and on an unlicensed carrier. A base station may perform Clear Channel Allocation (CCA) to reserve an unlicensed carrier and enable transmissions from User Equipments (UEs) on the unlicensed carrier. The base station may configure random access preamble transmission from the UE on an unlicensed carrier. One or more UEs may perform CCA and reserve unlicensed carriers using transmission of reference signals. The UE may indicate the CCA result to the base station over the licensed carrier. The UE may also experience large propagation loss and may not be able to properly perform CCA.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
Specification Information
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Declaration Date | Declaration Reference | Declaring Company | Specification Number | |||||||
| US2016050667A1 | 4G | 21/12/2017 | ISLD-201712-069 | SAMSUNG | Yes | Basis Patent | ||||
| US2016050667A1 | 5G | 03/05/2018 | ISLD-201805-015 | SAMSUNG | Yes | Basis Patent | ||||
| US2016050667A1 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| CN106576302A | 4G | 21/12/2017 | ISLD-201712-069 | SAMSUNG | No | Family Member | ||||
| CN106576302A | 5G | 03/05/2018 | ISLD-201805-015 | SAMSUNG | No | Family Member | ||||
| EP3195680A1 | 4G | 21/12/2017 | ISLD-201712-069 | SAMSUNG | No | Family Member | ||||
| EP3195680A1 | 5G | 03/05/2018 | ISLD-201805-015 | SAMSUNG | No | Family Member | ||||
| EP3195680A1 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| EP3195680A4 | 4G | 21/12/2017 | ISLD-201712-069 | SAMSUNG | No | Family Member | ||||
| EP3195680A4 | 5G | 03/05/2018 | ISLD-201805-015 | SAMSUNG | No | Family Member | ||||
| EP3195680A4 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| KR20170043539A | 4G | 21/12/2017 | ISLD-201712-069 | SAMSUNG | No | Family Member | ||||
| KR20170043539A | 5G | 03/05/2018 | ISLD-201805-015 | SAMSUNG | No | Family Member | ||||
| KR20170043539A | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| WO2016028060A1 | 4G | 21/12/2017 | ISLD-201712-069 | SAMSUNG | No | Family Member | ||||
| WO2016028060A1 | 5G | 03/05/2018 | ISLD-201805-015 | SAMSUNG | No | Family Member | ||||
| WO2016028060A1 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| EP3490328A1 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| US2021036808A1 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| CN113595690A | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| CN113595691A | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | No | Family Member | ||||
| US10812225B2 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | Yes | Basis Patent | ||||
| US2018351704A1 | 5G | 22/12/2021 | ISLD-202112-114 | SAMSUNG | Yes | Basis Patent | ||||
| EP3195680B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| EP3490328B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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