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CN-116746105-B - Method and apparatus for scheduling UEs capable of receiving through multiple antenna panels

CN116746105BCN 116746105 BCN116746105 BCN 116746105BCN-116746105-B

Abstract

Apparatus and method for scheduling of User Equipment (UE) capable of reception through multiple antenna panels. A method for a UE includes receiving information regarding a first set of search spaces and a first CORESET of a first cell. The method further includes determining a second set of search spaces associated with time-overlapping PDCCH reception in a second CORESET from the first CORESET, with respect to a second cell from the first cell, and receiving PDCCHs from either a CSS set or a USS set from the second set of search spaces only in (a) a first CORESET having a first TCI state, and (b) a second CORESET having a second TCI state different from the first TCI state, if any, and (c) any other CORESET from a second CORESET having the same TCI state as the first TCI state or the second TCI state.

Inventors

  • Aris papasakalariyau

Assignees

  • 三星电子株式会社

Dates

Publication Date
20260508
Application Date
20220104
Priority Date
20211223

Claims (15)

  1. 1. A method for a user equipment, UE, the method comprising: Receiving information about a first set of search spaces and a first set of control resources CORESET of a first cell, wherein the set of search spaces has an index, is a common set of search spaces CSSs or a UE-specific set of search spaces USSs, and is associated with CORESET having an index and a transmission configuration indicator TCI status; determining a second set of search spaces from the first set of search spaces associated with time-overlapping PDCCH reception in a second CORESET from the first CORESET with respect to a second cell from the first cell, and The physical downlink control channel PDCCH is received according to either a CSS set or a USS set from the second set of search spaces only in (a) a first CORESET having a first TCI state, and (b) a second CORESET having a second TCI state different from the first TCI state, if any, and (c) any other CORESET from a second CORESET having the same TCI state as the first TCI state or the second TCI state, Wherein the first CORESET corresponds to a first CSS set with a lowest index, if any, on a first cell with a lowest index from the second cell, and wherein the first CORESET corresponds to a first USS set with a lowest index, if any, on a first cell with the lowest index from the second cell, and Wherein the CSS set and USS set associated with CORESET having the first TCI state are excluded, the second CORESET corresponds to a second CSS set having a lowest index on a second cell having a lowest index from the second cell, if any, and the second CORESET corresponds to a second USS set having a lowest index on a second cell having the lowest index from the second cell, otherwise.
  2. 2. The method of claim 1, further comprising determining that PDCCH reception in CORESET having a different TCI state is time-overlapping when a time difference between an end of any PDCCH reception in CORESET having the first or second TCI state and a start of any PDCCH reception in CORESET having the second or first TCI state, respectively, is less than a predetermined positive value.
  3. 3. The method of claim 1, further comprising transmitting information of the capability of simultaneous PDCCH reception in a first CORESET having a first TCI state and in a second CORESET having a second TCI state different from the first TCI state.
  4. 4. The method of claim 1, the method further comprising: Receiving two channel state information reference signals (CSI-RS) and Transmitting a channel having two channel state information CSI reports corresponding to the two CSI-RSs, Wherein the PDCCH from the PDCCH provides a Downlink Control Information (DCI) format, and Wherein, the DCI format triggers the reception of the two CSI-RSs.
  5. 5. The method of claim 4, wherein the two CSI-RSs have different TCI states.
  6. 6. The method according to claim 4, wherein the method comprises, Wherein the channels are transmitted in a repeated manner, an Wherein the two CSI reports are included in an earliest repetition that starts at a time greater than or equal to a first value after the end of the reception of the PDCCH.
  7. 7. The method of claim 1, the method further comprising: receiving two channel state information reference signals, CSI-RSs, on a cell, and Transmitting a channel having two channel state information CSI reports corresponding to the two CSI-RSs, Wherein the PDCCH from the PDCCH provides a downlink control information DCI format, and Wherein, the DCI format triggers the reception of the two CSI-RSs.
  8. 8. A user equipment, UE, the UE comprising: A transceiver configured to receive information about a first set of search spaces and a first set of control resources CORESET of a first cell, wherein the set of search spaces has an index, is a common set of search spaces CSS or a set of UE-specific sets of search spaces USSs, and is associated with CORESET having an index and a transport configuration indicator TCI status, and A processor operatively coupled to the transceiver, the processor configured to determine a second set of search spaces associated with time-overlapping reception of physical downlink control channel, PDCCH, in a second CORESET from the first CORESET, from the first set of search spaces with respect to a second cell from the first cell, Wherein the transceiver is further configured to receive PDCCH according to a CSS set or a USS set from the second set of search spaces only in (a) a first CORESET having a first TCI state, and (b) a second CORESET having a second TCI state different from the first TCI state, if any, and (c) any other CORESET from a second CORESET having the same TCI state as the first TCI state or the second TCI state, Wherein the first CORESET corresponds to a first CSS set with a lowest index, if any, on a first cell with a lowest index from the second cell, and wherein the first CORESET corresponds to a first USS set with a lowest index, if any, on a first cell with the lowest index from the second cell, and Wherein the CSS set and USS set associated with CORESET having the first TCI state are excluded, the second CORESET corresponds to a second CSS set having a lowest index on a second cell having a lowest index from the second cell, if any, and the second CORESET corresponds to a second USS set having a lowest index on a second cell having the lowest index from the second cell, otherwise.
  9. 9. The UE of claim 8, wherein the processor is further configured to determine that PDCCH reception in CORESET with a different TCI state is time-overlapping when a time difference between an end of any PDCCH reception in CORESET with the first TCI state or the second TCI state and a start of any PDCCH reception in CORESET with the second TCI state or the first TCI state, respectively, is less than a predetermined positive value.
  10. 10. The UE of claim 8, wherein the transceiver is further configured to transmit information of capability for simultaneous PDCCH reception in a first CORESET having a first TCI state and in a second CORESET having a second TCI state different from the first TCI state.
  11. 11. The UE of claim 8, wherein the transceiver is further configured to: Receiving two channel state information reference signals (CSI-RS) and Transmitting a channel having two channel state information CSI reports corresponding to the two CSI-RSs, Wherein the PDCCH from the PDCCH provides a downlink control information DCI format, and Wherein, the DCI format triggers the reception of the two CSI-RSs.
  12. 12. The UE of claim 11, wherein the two CSI-RSs have different TCI states.
  13. 13. The UE of claim 11, Wherein the transceiver is further configured to transmit the channel in a repeated manner, and Wherein the processor is further configured to determine an earliest repetition starting at a time greater than or equal to a first value after an end of reception of the PDCCH, wherein the two CSI reports are included in the earliest repetition only.
  14. 14. The UE of claim 11, wherein the transceiver is further configured to: receiving two channel state information reference signals, CSI-RSs, on a cell, and Transmitting a channel having two channel state information CSI reports corresponding to the two CSI-RSs, Wherein the PDCCH from the PDCCH provides a downlink control information DCI format, and Wherein, the DCI format triggers the reception of the two CSI-RSs.
  15. 15. A base station, the base station comprising: A transceiver configured to transmit information about a first set of search spaces and a first set of control resources CORESET of a first cell, wherein the set of search spaces has an index, is a common set of search spaces CSS or a set of UE-specific sets of search spaces USSs, and is associated with CORESET having an index and a transport configuration indicator TCI status, and A processor operatively coupled to the transceiver, the processor configured to determine a second set of search spaces associated with time-overlapping reception of physical downlink control channel, PDCCH, in a second CORESET from the first CORESET, from the first set of search spaces with respect to a second cell from the first cell, Wherein the transceiver is further configured to transmit PDCCH according to a CSS set or a USS set from the second search space set only in (a) a first CORESET having a first TCI state, and (b) a second CORESET having a second TCI state different from the first TCI state, if any, and (c) any other CORESET from a second CORESET having the same TCI state as the first TCI state or the second TCI state, and Wherein the first CORESET corresponds to a first CSS set with a lowest index, if any, on a first cell with a lowest index from the second cell, and wherein the first CORESET corresponds to a first USS set with a lowest index, if any, on a first cell with the lowest index from the second cell, and Wherein the CSS set and USS set associated with CORESET having the first TCI state are excluded, the second CORESET corresponds to a second CSS set having a lowest index on a second cell having a lowest index from the second cell, if any, and the second CORESET corresponds to a second USS set having a lowest index on a second cell having the lowest index from the second cell, otherwise.

Description

Method and apparatus for scheduling UEs capable of receiving through multiple antenna panels Technical Field The present disclosure relates generally to wireless communication systems, and more particularly, to scheduling of User Equipment (UE) capable of receiving through multiple antenna panels. Background In order to meet the increased demand for wireless data services since the deployment of fourth generation (4G) communication systems, efforts have been made to develop improved fifth generation (5G) or quasi-5G communication systems. A 5G or quasi-5G communication system is also referred to as a "super 4G network" or a "Long Term Evolution (LTE) after-system. A 5G communication system is considered to be implemented in a higher frequency (mmWave) band (e.g., 60GHz band) in order to achieve a higher data rate. In order to reduce propagation loss of radio waves and increase transmission distance, beamforming, massive multiple-input multiple-output (MIMO), full-dimensional MIMO (FD-MIMO), array antennas, analog beamforming, and massive antenna techniques are discussed for 5G communication systems. In addition, in the 5G communication system, development for system network improvement is performed based on advanced small cells, cloud Radio Access Networks (RANs), ultra dense networks, device-to-device (D2D) communication, wireless backhaul, mobile networks, cooperative communication, coordinated multipoint (CoMP), reception-side interference cancellation, and the like. In 5G systems, hybrid Frequency Shift Keying (FSK) and fisher Quadrature Amplitude Modulation (QAM) modulation (FQAM) as Advanced Code Modulation (ACM) and Sliding Window Superposition Coding (SWSC) have been developed, as well as Filter Bank Multicarrier (FBMC), non-orthogonal multiple access (NOMA) and Sparse Code Multiple Access (SCMA) as advanced access technologies. The internet, which is a human-centric connected network in which humans generate and consume information, is now evolving into the internet of things (IoT) in which distributed entities such as things exchange and process information without human intervention. Internet of everything (IoE) has emerged as a combination of IoT technology and big data processing technology through connection with cloud servers. As IoT implementations have required technical elements such as "sensing technology," "wired/wireless communication and network infrastructure," "service interface technology," and "security technology," sensor networks, machine-to-machine (M2M) communications, machine Type Communications (MTC), etc. have recently been investigated. Such IoT environments may provide intelligent internet technology services that create new value for human life by collecting and analyzing data generated among networking. IoT may be applied in a variety of fields including smart homes, smart buildings, smart cities, smart or networked automobiles, smart grids, healthcare, smart appliances, and advanced medical services through the convergence and combination between existing Information Technology (IT) and various industrial applications. In keeping with this, various attempts have been made to apply 5G communication systems to IoT networks. For example, techniques such as sensor networks, MTC, and M2M communications may be implemented by beamforming, MIMO, and array antennas. Application of cloud RANs as the big data processing technology described above may also be considered as an example of a fusion between 5G technology and IoT technology. With all global technical activities from industry and academia for various candidate technologies, fifth generation (5G) or new wireless (NR) mobile communications are recently gaining increasing power for aggregation. Candidate driving factors for 5G/NR mobile communications include a large-scale antenna technology from a conventional cellular band up to high frequencies to provide beamforming gain and support increased capacity, a new waveform (e.g., a new Radio Access Technology (RAT)) for flexibly adapting to various services/applications having different requirements, a new multiple access scheme for supporting large-scale connection, and the like. Disclosure of Invention Solution to the problem The present disclosure relates to scheduling of UEs capable of receiving through multiple antenna panels. In one embodiment, a method for a UE is provided. The method includes receiving information regarding a first set of search spaces and a first set of control resources (CORESET) for a first cell. The search space set has an index, is a common search space set (CSS set) or a UE-specific search space set (USS set), and is associated with CORESET having an index and Transport Configuration Indicator (TCI) state. Advantageous effects of the invention According to an embodiment of the present invention, scheduling of User Equipment (UE) capable of receiving through multiple antenna panels is provided. Drawings For a more complete understanding of the pr