METHODS AND APPARATUS FOR DUAL CONNECTIVITY OPERATION IN A WIRELESS COMMUNICATION NETWORK
First Claim
Patent Images
1. A method, comprising:
- configuring a user equipment (UE) in a cellular network for reception of waveforms from, or transmission of waveforms to, more than one base station (eNB) in the cellular network transmitting in overlapping or non-overlapping wireless spectrum; and
designating one of the respective base stations for transmission/reception of common and dedicated radio resource control (RRC) and non-access stratum (NAS) signaling.
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Abstract
Dual-connectivity for the User Equipment (UE) in a cellular network is performed by monitoring a plurality of cells. During dual-connectivity, the UE may be simultaneously connected to one serving cell for the Control Plane (C-plane) and to another serving cell, controlled by a different eNodeB, for the User Plane (U-plane). In another embodiment, the dual-connected UE monitors a Physical Downlink Control Channel (PDCCH) from the first eNB and monitors an EPDCCH from the second eNB.
158 Citations
29 Claims
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1. A method, comprising:
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configuring a user equipment (UE) in a cellular network for reception of waveforms from, or transmission of waveforms to, more than one base station (eNB) in the cellular network transmitting in overlapping or non-overlapping wireless spectrum; and designating one of the respective base stations for transmission/reception of common and dedicated radio resource control (RRC) and non-access stratum (NAS) signaling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 23, 24, 25, 26, 27, 28)
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17. A method, comprising:
monitoring at a user equipment (UE) in a cellular network, a plurality of control channels designated for the UE transmitted from more than one base station (eNB) of the cellular network. - View Dependent Claims (18, 19, 20, 21, 22)
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29. A method, comprising:
designating a base station for transmission/reception of common and dedicated radio resource control (RRC) and non-access stratum (NAS) signaling, to which the base station is enabled to connect via a backhaul communications link, for transmission/reception to/from a UE configured for reception or transmission of simultaneous waveforms from or to the base station and at least one additional base station.
Specification