Adapting operations in flexible allocation slots partially overlapping with measurement gaps

Patent metadata

Field	Value
Publication number	US-12185289-B2
Application number	US-201917280995-A
Country	US
Kind code	B2
Filing date	Sep 24, 2019
Priority date	Sep 28, 2018
Publication date	Dec 31, 2024
Grant date	Dec 31, 2024

Abstract

Systems and methods are disclosed herein for operational tasks to be performed in slots that are partially overlapped by measurement gaps in a wireless communication system. Embodiments of a method performed by a wireless device and corresponding embodiments of a wireless device are disclosed. In some embodiments, a method performed by a wireless device for performing scheduled communications operations for a serving cell comprises determining a communication slot that is partially overlapped by a measurement gap, the communication slot being associated with a serving cell of the wireless device. The method further comprises identifying a scheduled operational task which can be carried out in a non-overlapped portion of the communication slot, the non-overlapped portion of the communication slot being a portion of the communication slot not overlapped by the measurement gap. The method further comprises performing the scheduled operational task in the non-overlapped portion of the communication slot.

First claim

What is claimed is:

1. A method performed by a wireless device for performing scheduled communications operations for a serving cell of the wireless device, the method comprising:
determining a communication slot that is partially overlapped by a measurement gap, the communication slot being associated with the serving cell of the wireless device;
identifying a scheduled operational task which can be carried out in a non-overlapped portion of the communication slot, the identifying being based on the size of the non-overlapped portion of the communication slot and the non-overlapped portion of the communication slot being a portion of the communication slot not overlapped by the measurement gap, the scheduled operational task being an operational task associated with a Physical Downlink Control Channel (PDCCH) monitoring, and the identifying comprising:
determining that there is at least one PDCCH monitoring position configured for the wireless device that fits within the non-overlapped portion of the communication slot; and
determining that a reference signal needed for demodulation of a PDCCH is available in the non-overlapped portion of the communication slot; and

performing the scheduled operational task in the non-overlapped portion of the communication slot.

2. The method of claim 1 , wherein determining the communication slot that is partially overlapped by the measurement gap comprises determining the communication slot that is partially overlapped by the measurement gap based on a measurement gap configuration of the wireless device, a subcarrier spacing of a carrier associated with the serving cell, and a measurement gap timing advance configured for the carrier associated with the serving cell.

3. The method of claim 1 , wherein determining the communication slot that is partially overlapped by the measurement gap comprises determining, for a carrier associated with the serving cell, that there are one or more communication slots that are partially overlapped by the measurement gap based on a subcarrier spacing of the carrier associated with the serving cell and a measurement gap timing advance configured for the carrier associated with the serving cell.

4. The method of claim 1 , further comprising determining a location of the measurement gap.

5. The method of claim 4 , wherein determining the location of the measurement gap comprises determining a timing reference used for definition of the measurement gap on a carrier associated with the serving cell.

6. The method of claim 1 , wherein performing the scheduled operational task comprises one of:
transmitting one or more signals in at least the non-overlapped portion of the communication slot;
receiving one or more signals in at least the non-overlapped portion of the communication slot;
transmitting one or more signals in at least the non-overlapped portion of the communication slot, provided that at least one symbol in the non-overlapped portion of the communication slot comprises a reference signal;
receiving one or more signals in at least the non-overlapped portion of the communication slot, provided that at least one symbol in the non-overlapped portion of the communication slot comprises a reference signal;
transmitting one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given priority, criticality, or both;
receiving one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given priority, criticality, or both;
transmitting one or more signals in at least the non-overlapped portion of the communication slot, provided that a length of the non-overlapped portion of the communication slot is above a given threshold;
receiving one or more signals in at least the non-overlapped portion of the communication slot, provided that a length of the non-overlapped portion of the communication slot is above a given threshold;
transmitting one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given numerology;
receiving one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given numerology;
transmitting one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given frequency range;
receiving one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given frequency range;
transmitting one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given transmission; and
receiving one or more signals in at least the non-overlapped portion of the communication slot, provided that the one or more signals are associated with a given transmission.

7. A wireless device for performing scheduled communications operations for a serving cell of the wireless device, the wireless device comprising:
a radio interface; and
processing circuitry associated with the radio interface, the processing circuitry configured to cause the wireless device to perform:
determining a communication slot that is partially overlapped by a measurement gap, the communication slot being associated with the serving cell of the wireless device;
identifying a scheduled operational task which can be carried out in a non-overlapped portion of the communication slot, the identifying being based on the size of the non-overlapped portion of the communication slot and the non-overlapped portion of the communication slot being a portion of the communication slot not overlapped by the measurement gap, the scheduled operational task being an operational task associated with a Physical Downlink Control Channel (PDCCH) monitoring, and the identifying comprising:
determining that there is at least one PDCCH monitoring position configured for the wireless device that fits within the non-overlapped portion of the communication slot; and
determining that a reference signal needed for demodulation of a PDCCH is available in the non-overlapped portion of the communication slot; and

performing the scheduled operational task in the non-overlapped portion of the communication slot.

8. A method performed by a network node for scheduling communications operations for a serving cell of a wireless device, the method comprising:
determining that the wireless device associated with the serving cell is to be configured with a measurement gap;
determining a communication slot that is partially overlapped by the measurement gap;
scheduling of an operational task for the wireless device in a portion of the communication slot that is not overlapped by the measurement gap, the scheduled operational task being an operational task associated with a Physical Downlink Control Channel (PDCCH) monitoring;
configuring at least one PDCCH monitoring position for the wireless device that fits within the non-overlapped portion of the communication slot; and
providing a reference signal needed for demodulation of a PDCCH by the wireless device in the non-overlapped portion of the communication slot.

9. The method of claim 8 , wherein determining the communication slot that is partially overlapped by the measurement gap comprises determining the communication slot that is partially overlapped by the measurement gap based on a subcarrier spacing used for a carrier associated with the serving cell and a measurement gap

Assignees

• Ericsson Telefon Ab L M

Inventors

• Axmon Joakim
• Kazmi Muhammad
• Callender Christopher

Classifications

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/21

  in the uplink direction of a wireless link, i.e. towards the network · CPC title

• H04W24/08

  Testing, {supervising or monitoring} using real traffic · CPC title

• H04W72/1273

  of downlink data flows · CPC title