Abstract
The disclosure relates to methods for improving the DRX operation of a UE by introducing an additional DRX wake-up cycle which runs in parallel to the short and/or long DRX cycle. The DRX wake-up cycle defines time intervals after which the UE starts monitoring the PDCCH for a wake-up duration of time; the UE does not perform any other operation during the wake-up duration apart from monitoring the PDCCH. The time intervals of the wake-up cycle between the wake-up durations are preferably shorter than the one of the DRX long cycle and may have the same or a shorter length than the ones of the DRX short cycle. The wake-up duration may be as long as the on-duration of the DRX short/long cycle or may be preferably much shorter such as only one or a few subframes.
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| 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
| 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Resource configuration DRX/EDRX/DTX/EDTX
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Power estimation/control / Saving
Claim
1. An integrated circuit configured to control discontinuous reception (DRX) of a mobile terminal in communication with a base station in a mobile communication system, the integrated circuit comprising circuitry which, in operation:
configures a short discontinuous reception (DRX) cycle and a DRX short cycle timer according to a first configuration that defines the short DRX cycle, and a long DRX cycle according to a second configuration that defines the long DRX cycle, in response to receiving, from the base station, a first DRX command MAC (Medium Access Control) control element, starts the DRX short cycle timer and starts using the short DRX cycle, and starts using the long DRX cycle after the DRX short cycle timer expires, and in response to receiving, from the base station, a second DRX command MAC control element, which is different from the first DRX MAC control element and includes an indication of the long DRX cycle, stops the DRX short cycle timer and starts using the long DRX cycle.
2. The integrated circuit according to claim 1, wherein the second DRX command MAC control element including the indication of the long DRX cycle is transmitted from the base station when the base station expects end of downlink data for the mobile terminal.
3. The integrated circuit according to claim 2, wherein the mobile terminal indicates the expected end of the downlink data to the base station.
4. The integrated circuit according to claim 1, wherein the circuitry, in operation:
receives a third configuration that defines an additional DRX cycle from the base station, starts using the additional DRX cycle in parallel to using the short or long DRX cycle, and monitors a downlink control channel for messages destined to the mobile terminal for a defined duration of time.
5. The integrated circuit according to claim 1, wherein the circuitry, in operation:
repeats using the long DRX cycle until a scheduling message is received from the base station.
6. The integrated circuit according to claim 1, wherein the circuitry, in operation:
monitors a physical downlink control channel (PDCCH) by discontinuously using the short DRX cycle and the long DRX cycle.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.
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