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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Specification Information
Specification Information
Technologies
Family Information
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WO2013110372A1 | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Basis Patent | ||||
WO2013110372A1 | 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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WO2013110372A1 | 5G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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CN104205993A | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
CN104205993A | 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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CN104205993A | 5G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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CN104205993B | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
CN104205993B | 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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CN104205993B | 5G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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CN108200640A | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
CN108200640A | 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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EP2807894A1 | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
EP2807894A1 | 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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JP2015512178A | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
JP2015512178A | 4G | 13/12/2020 | ISLD-202012-017 | SUN PATENT TRUST |
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JP2018014747A | 4G | 20/09/2018 | ISLD-201812-010 | SUN PATENT TRUST | Yes | Family Member | ||||
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
DRX/EDRX/DTX/EDTX
Product
Use Cases
Services
Claim
1. A base station configured to control discontinuous reception (DRX) by a mobile terminal in communication with the base station in a mobile communication system, the base station comprising:
circuitry, which, in operation, configures, for the mobile terminal, 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, a transmitter, which, in operation:
transmits, to the mobile terminal, a first DRX command MAC (Medium Access Control) control element, which causes the mobile terminal to start the DRX short cycle timer using the short DRX cycle and to start the long DRX cycle after the DRX short cycle timer expires, and
transmits, to the mobile terminal, a second DRX command MAC control element, which is different from the first DRX MAC control element, includes an indication of the long DRX cycle, and causes the mobile terminal to stop the DRX short cycle timer and to start the long DRX cycle.
2. The base station according to claim 1, wherein the transmitter, in operation, transmits the second DRX command MAC control element including the indication of the long DRX cycle when the base station expects end of downlink data for the mobile terminal.
3. The base station according to claim 2, wherein the base station, in operation, receives an indication of the end of the downlink data from the mobile terminal.
4. The base station according to claim 1, wherein the transmitter, in operation:
transmits, to the mobile terminal, a third configuration, which defines an additional DRX cycle and causes the mobile terminal to start using the additional DRX cycle in parallel to using the short DRX cycle or the long DRX cycle, and transmits, to the mobile terminal, a downlink control channel for messages destined to the mobile terminal for a defined duration of time.
5. The base station according to claim 1, wherein the circuitry, in operation:
configures the mobile terminal to repeat using the long DRX cycle until a scheduling message is transmitted from the base station.
6. The base station according to claim 1, wherein the transmitter, in operation:
transmits, to the mobile terminal, a physical downlink control channel (PDCCH) by discontinuously using the short DRX cycle and the long DRX cycle.
7. A method performed by a base station to control discontinuous reception (DRX) by a mobile terminal in communication with the base station in a mobile communication system, the method comprising:
configuring, for the mobile terminal, 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, transmitting, to the mobile terminal, a first DRX command MAC (Medium Access Control) control element, which causes the mobile terminal to start the DRX short cycle timer using the short DRX cycle and to start the long DRX cycle after the DRX short cycle timer expires, and transmitting, to the mobile terminal, a second DRX command MAC control element, which is different from the first DRX MAC control element, includes an indication of the long DRX cycle, and causes the mobile terminal to stop the DRX short cycle timer and to start the long DRX cycle.
8. The method according to claim 7, comprising:
transmitting the second DRX command MAC control element including the indication of the long DRX cycle when the base station expects end of downlink data for the mobile terminal.
9. The method according to claim 8, comprising:
receiving an indication of the end of the downlink data from the mobile terminal.
10. The method according to claim 7, comprising:
transmitting, to the mobile terminal, a third configuration, which defines an additional DRX cycle and causes the mobile terminal to start using the additional DRX cycle in parallel to using the short DRX cycle or the long DRX cycle, and transmitting, to the mobile terminal, a downlink control channel for messages destined to the mobile terminal for a defined duration of time.
11. The method according to claim 7, comprising:
configuring the mobile terminal to repeat using the long DRX cycle until a scheduling message is transmitted from the base station.
12. The method according to claim 7, comprising:
transmitting, to the mobile terminal, 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.