公开(公告)号：US20190182675A1

公开(公告)日：2019-06-13

申请号：US16214472

申请日：2018-12-10

Applicant: APPLE INC

Inventor： Tianyan PU ,  Farouk BELGHOUL ,  Wei ZENG ,  Wei ZHANG ,  Xiaowen WANG ,  Yang LI ,  Ping WANG ,  Haitong SUN ,  Beibei WANG ,  Yuchul KIM ,  Johnson O. SEBENI ,  Dawei ZHANG ,  Sami M. ALMALFOUH ,  Zhu Jl ,  Sunny ARORA

IPC: H04W16/14 ,  H04W74/08 ,  H04W72/04 ,  H04W24/08 ,  H04W24/10

Abstract: An evolved Node B (eNB) serves as a primary serving cell (PCell) providing a primary component carrier (PCC) in a licensed spectrum to a user equipment (UE) in a carrier aggregation (CA) scheme. A secondary component carrier (SCC) is provided in an unlicensed spectrum. The eNB monitors parameters of bandwidths in the unlicensed spectrum, when at least one of the parameters indicates a change in availability of a select one of the bandwidths, the eNB generates a control indicator defining the change in availability of the bandwidth and broadcasts the control indicator to the UE, wherein the control indicator affects a modification in a transceiver of the UE associated with the bandwidth.

公开(公告)号：US20210321265A1

公开(公告)日：2021-10-14

申请号：US17302146

申请日：2021-04-26

Applicant: Apple Inc.

Inventor： Tianyan PU ,  Farouk BELGHOUL ,  Wei ZENG ,  Wei ZHANG ,  Xiaowen WANG ,  Yang LI ,  Ping WANG ,  Haitong SUN ,  Beibei WANG ,  Yuchul KIM ,  Johnson O. SEBENI ,  Dawei ZHANG ,  Sami M. ALMALFOUH ,  Zhu JI ,  Sunny ARORA

IPC: H04W16/14 ,  H04W24/10 ,  H04W72/04 ,  H04W24/08 ,  H04W48/12

Abstract: An evolved Node B (eNB) serves as a primary serving cell (PCell) providing a primary component carrier (PCC) in a licensed spectrum to a user equipment (UE) in a carrier aggregation (CA) scheme. A secondary component carrier (SCC) is provided in an unlicensed spectrum. The eNB monitors parameters of bandwidths in the unlicensed spectrum, when at least one of the parameters indicates a change in availability of a select one of the bandwidths, the eNB generates a control indicator defining the change in availability of the bandwidth and broadcasts the control indicator to the UE, wherein the control indicator affects a modification in a transceiver of the UE associated with the bandwidth.

公开(公告)号：US20190104545A1

公开(公告)日：2019-04-04

申请号：US16129237

申请日：2018-09-12

Applicant: APPLE INC.

Inventor： Tianyan PU ,  Prateek SHARMA ,  Sami M. ALMALFOUH ,  Ping WANG ,  Wei ZHANG ,  Sreevalsan VALLATH

IPC: H04W74/08

Abstract: A method is disclosed where a user equipment (“UE”) is operating in a carrier aggregation mode and connected to a first cell operating on a licensed band and a second cell operating on an unlicensed band. The method may include the UE performing a carrier sensing operation on the unlicensed band, determining, from the carrier sensing operation, a duration that the unlicensed band will be occupied, refraining from transmitting data to the second cell on the unlicensed band for the duration that the unlicensed band will be occupied and setting a transmitter in communication with the second cell to a low power mode for the duration that the unlicensed band will be occupied.