US-12621827-B2 - PUCCH and cell grouping capability for NR-CA and NR-DC

US12621827B2US 12621827 B2US12621827 B2US 12621827B2US-12621827-B2

Abstract

Apparatuses, systems, and methods for providing an enhancement for PUCCH and Cell Grouping Capability for NR-CA and NR-DC. A wireless device may transmit, to a base station, a Physical Uplink Control Channel (PUCCH) capability report comprising at least one of PUCCH grouping capability information and a PUCCH location capability information.

Inventors

Haitong Sun
Hong He
Dawei Zhang
Wei Zeng
Yushu Zhang
Amir Aminzadeh Gohari
Leilei Song
Mariam Motamed

Assignees

APPLE INC.

Dates

Publication Date: 20260505
Application Date: 20210209
Priority Date: 20210115

Claims (18)

1 . A wireless device, comprising: at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio, wherein the wireless device is configured to: transmit, to a base station, a Physical Uplink Control Channel (PUCCH) capability report comprising at least one of PUCCH grouping capability information and a PUCCH location capability information, wherein the PUCCH grouping capability information indicates carrier types of bands which are configurable in a same PUCCH group, wherein the bands include at least one normal downlink (DL) band and at least one supplementary downlink (SDL) band, wherein the PUCCH location capability information indicates carrier types of bands which are configurable to transmit the PUCCH, wherein the bands include at least one normal uplink (UL) band and at least one supplementary uplink (SUL) band, wherein the carrier types for the at least one normal DL band or the at least one normal UL band comprise frequency range (FR) 1 licensed time division duplex (TDD), FR1 unlicensed TDD, FR1 licensed frequency division duplex (FDD), and FR2, and wherein the at least one SDL band is indicated by a data field indicating at least one extended carrier type independent of the FR1 licensed TDD, FR1 unlicensed TDD, FR1 licensed FDD and FR2.
2 . The wireless device of claim 1 , wherein the at least one extended carrier type comprises SDL.
3 . The wireless device of claim 1 , wherein the at least one extended carrier type comprises FR1 SDL and FR2 SDL.
4 . The wireless device of claim 1 , wherein the at least one SDL band is determined by the configurable carrier types for the at least one normal DL band indicated by the PUCCH grouping capability information and a predefined mapping rule which maps the at least one SDL band to the carrier types for the at least one normal DL band.
5 . The wireless device of claim 1 , wherein the at least one SDL band is determined in accordance with a carrier type of a normal DL band which the at least one SDL band overlaps among the configurable carrier types for the at least one normal DL band indicated by the PUCCH grouping capability information.
6 . The wireless device of claim 1 , wherein the at least one SUL band is indicated by a data field indicating at least one extended carrier type independent of the FR1 licensed TDD, FR1 unlicensed TDD, FR1 licensed FDD and FR2.
7 . The wireless device of claim 6 , wherein the at least one extended carrier type comprises SUL.
8 . The wireless device of claim 6 , wherein the at least one extended carrier type comprises FR1 SUL and FR2 SUL.
9 . The wireless device of claim 1 , wherein the at least one SUL band is determined in accordance with a carrier type of a normal UL band with which the at least one SUL band is associated among the configurable carrier types for the at least one normal UL band indicated by the PUCCH location capability information.
10 . The wireless device of claim 9 , wherein a duplex mode of the at least one SUL band is determined in accordance with a duplex mode of the normal UL band with which the at least one SUL band is associated, and wherein the PUCCH location capability information is capable of indicating that the wireless device does not support an SUL band which has different FR or type of license from that of the normal UL band with which the SUL band is associated.
11 . The wireless device of claim 1 , wherein the PUCCH capability report is transmitted per band combination (BC) comprising a first number of bands with a second number of carrier types.
12 . The wireless device of claim 11 , wherein the first number of bands is counted by not taking the SDL bands and the SUL bands into consideration or taking the SDL bands and the SUL bands into consideration according to one of the following: only SDL bands are counted, but SUL bands are not counted; only SUL bands are counted, but SDL bands are not counted; or all of SDL and SUL bands are counted.
13 . The wireless device of claim 12 , wherein the second number of carrier types is counted by not taking the SDL bands and the SUL bands into consideration or taking the SDL bands and the SUL bands into consideration according to one of the following: only SDL bands are counted, but SUL bands are not counted; only SUL bands are counted, but SDL bands are not counted; or all of SDL and SUL bands are counted.
14 . The wireless device of claim 11 , wherein the PUCCH grouping capability information or the PUCCH location capability information indicates the carrier types of bands for a primary PUCCH group and a secondary PUCCH group, respectively, and wherein the carrier types of bands are indicated by using a bitmap including a number of bits included in the PUCCH capability report, the number of bits in the bitmap being determined in accordance with the second number of carrier types contained in the band combination (BC).
15 . The wireless device of claim 14 , wherein the carrier types of bands are indicated by using an index into a list of bitmaps independently for the primary PUCCH group and the secondary PUCCH group for each BC.
16 . The method of claim 1 , wherein the SUL band is a FDD band.
17 . A processor configured to: transmit, to a base station, a Physical Uplink Control Channel (PUCCH) capability report comprising at least one of PUCCH grouping capability information and a PUCCH location capability information, wherein the PUCCH grouping capability information indicates carrier types of bands which are configurable in a same PUCCH group, wherein the bands include at least one normal downlink (DL) band and at least one supplementary downlink (SDL) band, wherein the PUCCH location capability information indicates carrier types of bands which are configurable to transmit the PUCCH, wherein the bands include at least one normal uplink (UL) band and at least one supplementary uplink (SUL) band, wherein the carrier types for the at least one normal DL band or the at least one normal UL band comprise frequency range (FR) 1 licensed time division duplex (TDD), FR1 unlicensed TDD, FR1 licensed frequency division duplex (FDD), and FR2, and wherein the at least one SDL band is indicated by a data field indicating at least one extended carrier type independent of the FR1 licensed TDD, FR1 unlicensed TDD, FR1 licensed FDD and FR2.
18 . A base station, comprising: at least one antenna; at least one radio coupled to the at least one antenna; and a processor coupled to the at least one radio, wherein the base station is configured to: receive, from a wireless device, a Physical Uplink Control Channel (PUCCH) capability report comprising at least one of PUCCH grouping capability information and a PUCCH location capability information, wherein the PUCCH grouping capability information indicates carrier types of bands which are configurable in a same PUCCH group, wherein the bands include at least one normal downlink (DL) band and at least one supplementary downlink (SDL) band, wherein the PUCCH location capability information indicates carrier types of bands which are configurable to transmit the PUCCH, wherein the bands include at least one normal uplink (UL) band and at least one supplementary uplink (SUL) band, wherein the carrier types for the at least one normal DL band or the at least one normal UL band comprise frequency range (FR) 1 licensed time division duplex (TDD), FR1 unlicensed TDD, FR1 licensed frequency division duplex (FDD), and FR2, and wherein the at least one SDL band is indicated by a data field indicating at least one extended carrier type independent of the FR1 licensed TDD, FR1 unlicensed TDD, FR1 licensed FDD and FR2.

Description

This application is a U.S. National Phase of International Application No. PCT/CN2021/076207, filed Feb. 9, 2021, which is hereby incorporated by reference in its entirety. This application also claims priority to International Application No. PCT/CN2021/072046, filed Jan. 15, 2021. FIELD The present application relates to wireless devices, and more particularly to apparatus, systems, and methods for providing downlink control for multi-TRP transmissions. DESCRIPTION OF THE RELATED ART Wireless communication systems are rapidly growing in usage. In recent years, wireless devices such as smart phones and tablet computers have become increasingly sophisticated. In addition to supporting telephone calls, many mobile devices now provide access to the internet, email, text messaging, and navigation using the global positioning system (GPS), and are capable of operating sophisticated applications that utilize these functionalities. Additionally, there exist numerous different wireless communication technologies and standards. Some examples of wireless communication standards include GSM, UMTS (associated with, for example, WCDMA or TD-SCDMA air interfaces), LTE, LTE Advanced (LTE-A), HSPA, 3GPP2 CDMA2000 (e.g., 1×RTT, 1×EV-DO, HRPD, eHRPD), IEEE 802.11 (WLAN or Wi-Fi), BLUETOOTH™, etc. The ever increasing number of features and functionality introduced in wireless communication devices also creates a continuous need for improvement in both wireless communications and in wireless communication devices. To increase coverage and better serve the increasing demand and range of envisioned uses of wireless communication, in addition to the communication standards mentioned above, there are further wireless communication technologies under development, including fifth generation (5G) new radio (NR) communication. Accordingly, improvements in the field in support of such development and design are desired. SUMMARY Embodiments relate to apparatuses, systems, and methods to provide an enhancement for PUCCH and Cell Grouping Capability for NR-CA and NR-DC. According to the techniques described herein, a wireless device may transmit, to a base station, a Physical Uplink Control Channel (PUCCH) capability report comprising at least one of PUCCH grouping capability information and a PUCCH location capability information, wherein the PUCCH grouping capability information indicates carrier types of bands which are configurable in a same PUCCH group, wherein the bands include at least one normal downlink (DL) band and at least one supplementary downlink (SDL) band, and wherein the PUCCH location capability information indicates carrier types of bands which are configurable to transmit the PUCCH, wherein the bands include at least one normal uplink (UL) band and at least one supplementary uplink (SUL) band. According to the techniques described herein, a base station may receive, from a wireless device, a Physical Uplink Control Channel (PUCCH) capability report comprising at least one of PUCCH grouping capability information and a PUCCH location capability information, wherein the PUCCH grouping capability information indicates carrier types of bands which are configurable in a same PUCCH group, wherein the bands include at least one normal downlink (DL) band and at least one supplementary downlink (SDL) band, and wherein the PUCCH location capability information indicates carrier types of bands which are configurable to transmit the PUCCH, wherein the bands include at least one normal uplink (UL) band and at least one supplementary uplink (SUL) band. Thus, the techniques described herein may be used to communicate information on SDL and SUL bands for NR-CA and NR-DC, at least according to some embodiments. The techniques described herein may be implemented in and/or used with a number of different types of devices, including but not limited to cellular base stations, cellular phones, tablet computers, wearable computing devices, portable media players, and any of various other computing devices. This Summary is intended to provide a brief overview of some of the subject matter described in this document. Accordingly, it will be appreciated that the above-described features are merely examples and should not be construed to narrow the scope or spirit of the subject matter described herein in any way. Other features, aspects, and advantages of the subject matter described herein will become apparent from the following Detailed Description, Figures, and Claims. BRIEF DESCRIPTION OF THE DRAWINGS A better understanding of the present subject matter can be obtained when the following detailed description of various embodiments is considered in conjunction with the following drawings, in which: FIG. 1 illustrates an example wireless communication system, according to some embodiments; FIG. 2 illustrates a base station (BS) in communication with a user equipment (UE) device, according to some embodiments; FIG. 3 illustrates an example b