Data scheduling in high frequency

Patent metadata

Field	Value
Publication number	US-12557092-B2
Application number	US-202217694350-A
Country	US
Kind code	B2
Filing date	Mar 14, 2022
Priority date	Mar 18, 2021
Publication date	Feb 17, 2026
Grant date	Feb 17, 2026

Abstract

A wireless device may receive one or more configuration parameters, of a cell, for physical downlink control channel (PDCCH) monitoring. The one or more configuration parameters may indicate a time duration of a span of one or more symbols for the PDCCH monitoring, and a time gap between two consecutive spans. The wireless device may determine a buffering time offset, for buffering data scheduled by a PDCCH transmission, based on the time gap and a subcarrier spacing of the cell. The wireless device may receive, in a first radio resource, downlink control information (DCI) scheduling a transport block (TB) in a second radio resource. The wireless device may drop the TB in response to a duration, in time, between the first radio resource and the second radio resource being less than, or equal to, the buffering time offset.

First claim

What is claimed is:

1 . A wireless device comprising:
one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
transmit a wireless device capability message indicating that the wireless device supports a maximum number of downlink control information (DCIs) per a span, wherein the span comprises one or more consecutive symbols for physical downlink control channel (PDCCH) monitoring in a slot;
receive one or more configuration parameters, of a cell, for PDCCH monitoring indicating:
a time duration of the span comprising the one or more consecutive symbols for the PDCCH monitoring; and
a time gap between starting symbols of two consecutive spans;

determine a buffering time offset, for buffering data scheduled by a PDCCH transmission, based on the time gap between starting symbols of two consecutive spans, a subcarrier spacing of the cell, the maximum number of DCIs per span;
receive, in a first radio resource, a DCI scheduling a transport block (TB) in a second radio resource; and
drop the TB in response to a duration, in time, between the first radio resource and the second radio resource being less than, or equal to, the buffering time offset.

2 . The wireless device of claim 1 , wherein dropping the TB further comprises skipping buffering the TB.

3 . The wireless device of claim 1 , wherein instructions, when executed by the one or more processors, further cause the wireless device to:
receive, in a third radio resource, a second DCI scheduling a second TB in a fourth radio resource; and determine to buffer the second TB in response to a second duration, in time, between the third radio resource and the fourth radio resource being greater than the buffering time offset.

4 . The wireless device of claim 1 , wherein the DCI indicates the duration between the first radio resource and the second radio resource.

5 . The wireless device of claim 1 , wherein:
the first radio resource is a first slot; and the second radio resource is a second slot.

6 . The wireless device of claim 1 , wherein the buffering time offset is greater than one slot based on the subcarrier spacing of the cell.

7 . The wireless device of claim 1 , when executed by the one or more processors, further cause the wireless device to determine a processing time of the DCI based on the time gap and the time duration.

8 . The wireless device of claim 1 , wherein the one or more consecutive symbols of the span comprise one or more PDCCH monitoring occasions of one or more search spaces of a control resource set (CORESET) of an active bandwidth part (BWP) of the cell.

9 . The wireless device of claim 1 , wherein instructions, when executed by the one or more processors, further cause the wireless device to transmit, to a base station, a negative acknowledgement in response to dropping the TB.

10 . The wireless device of claim 1 , wherein instructions, when executed by the one or more processors, further cause the wireless device to determine a processing time of the DCI based on the time gap and the time duration.

11 . A method comprising:
transmitting, by a wireless device, a wireless device capability message indicating that the wireless device supports a maximum number of downlink control information (DCIs) per a span, wherein the span comprises one or more consecutive symbols for physical downlink control channel (PDCCH) monitoring in a slot; receiving one or more configuration parameters, of a cell, for PDCCH monitoring indicating:
a time duration of the span comprising the one or more consecutive symbols for the PDCCH monitoring; and
a time gap between starting symbols of two consecutive spans;
determining a buffering time offset, for buffering data scheduled by a PDCCH transmission, based on the time gap between starting symbols of two consecutive spans, a subcarrier spacing of the cell, and the maximum number of DCIs per span; receiving, in a first radio resource, a DCI scheduling a transport block (TB) in a second radio resource; and dropping the TB in response to a duration, in time, between the first radio resource and the second radio resource being less than, or equal to, the buffering time offset.

12 . The method of claim 11 , wherein dropping the TB further comprises skipping buffering the TB.

13 . The method of claim 11 , further comprising transmitting, to a base station, a negative acknowledgement in response to dropping the TB.

14 . The method of claim 11 , further comprising:
receiving, in a third radio resource, a second DCI scheduling a second TB in a fourth radio resource; and determining to buffer the second TB in response to a second duration, in time, between the third radio resource and the fourth radio resource being greater than the buffering time offset.

15 . The method of claim 11 , wherein the DCI indicates the duration between the first radio resource and the second radio resource.

16 . The method of claim 11 , wherein:
the first radio resource is a first slot; and the second radio resource is a second slot.

17 . The method of claim 11 , wherein the buffering time offset is greater than one slot based on the subcarrier spacing of the cell.

18 . The method of claim 11 , further comprising determining a processing time of the DCI based on the time gap and the time duration.

19 . The method of claim 11 , wherein the one or more consecutive symbols of the span comprise one or more PDCCH monitoring occasions of one or more search spaces of a control resource set (CORESET) of an active bandwidth part (BWP) of the cell.

20 . A system comprising:
a base station comprising one or more first processors and memory storing instructions that, when executed by the one or more first processors, cause the base station to:
transmit one or more configuration parameters, of a cell, for physical downlink control channel (PDCCH) monitoring indicating:
a time duration of a span, wherein the span comprises one or more consecutive symbols for physical downlink control channel (PDCCH) monitoring in a slot; and
a time gap between starting symbols of two consecutive spans; and

a wireless device comprising one or more first processors and memory storing instructions that, when executed by the one or more first processors, cause the wireless device to:
transmit a wireless device capability message indicating that the wireless device supports a maximum number of downlink control information (DCIs) per the span comprising the one or more consecutive symbols for PDCCH monitoring;
receive, from the base station, the one or more configuration parameters;
determine a buffering time offset, for buffering data scheduled by a PDCCH transmission, based on the time gap between starting symbols of two consecutive spans, a subcarrier spacing of the cell, and the maximum number of DCIs per span;
receive, in a first radio resource, a DCI scheduling a transport block (TB) in a second radio resource; and
drop the TB in response to a duration, in time, between the first radio resource and the second radio resource being less than, or equal to, the buffering time offset.

Assignees

• Ofinno Llc

Inventors

• Yi Yunjung
• Jeon Hyoungsuk
• Dinan Esmael Hejazi
• Park Jonghyun
• Cirik Ali Cagatay
• Rastegardoost Nazanin

Classifications

• H04W72/23

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

• H04W72/0453

  Resources in frequency domain, e.g. a carrier in FDMA · CPC title

• H04W24/08

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

• H04L27/26025 Primary

  Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003) · CPC title

• H04W72/0446

  Resources in time domain, e.g. slots or frames · CPC title