TW202249525A - Downlink control channel repetition for a downlink control channel order - Google Patents

Abstract

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive an indication that a first downlink control channel candidate and a second downlink control channel candidate are linked for downlink control channel repetition. The UE may receive a downlink control channel order requesting the UE to participate in a random access procedure. In some examples, the downlink control channel order may be received via one or both of the first and second downlink control channel candidates, and the UE may perform the random access procedure in accordance with one or more rules pertaining to receipt of the downlink control channel order via linked downlink control channel candidates. Additionally or alternatively, the UE may receive, in accordance with the one or more rules, the downlink control channel order via a downlink control channel candidate that is not linked for downlink control channel repetition.

Description

Downlink Control Channel Duplication for Downlink Control Channel Commands

This patent application claims the benefit of U.S. Nonprovisional Patent Application 17/708,178, filed March 30, 2022, by Khoshnevisan et al., entitled "DOWNLINK CONTROL CHANNEL REPETITION FOR A DOWNLINK CONTROL CHANNEL ORDER" and U.S. Provisional Patent Application No. 63/169,663, filed April 1, 2021, by Khoshnevisan et al., entitled "DOWNLINK CONTROL CHANNEL REPETITION FOR A DOWNLINK CONTROL CHANNEL ORDER"; applications are assigned to the present assignee, and each of the above applications is expressly incorporated herein by reference.

The case concerns wireless communications, including DLCC duplication for DLCC commands.

Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems are capable of supporting communication with multiple users by sharing available system resources (eg, time, frequency, and power). Examples of such multiple access systems include fourth generation (4G) systems (e.g., Long Term Evolution (LTE) systems, LTE-Advanced (LTE-A) systems, or LTE-A Pro systems) and fifth generation (5G) system (which may be referred to as a New Radio (NR) system). These systems may employ technologies such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal FDMA (OFDMA), or Discrete Fourier Access. Liye Transform Extended Orthogonal Frequency Division Multiplexing (DFT-S-OFDM). A wireless multiplex access communication system may include one or more base stations or one or more network access nodes, each base station or network access node simultaneously supports multiple communication devices (which may otherwise be referred to as User Equipment (UE)) communication.

In some wireless communication systems, the base station can send a downlink control channel command to the UE requesting the UE to participate in the random access procedure.

The described techniques relate to improved methods, systems, devices, and apparatuses that support downlink control channel repetition for downlink control channel commands. In summary, the described techniques provide for a user equipment (UE) to receive DL-CCH commands via two or more DL-CCH candidates, the two or more DL-CCH candidates The candidates are concatenated for repetition according to one or more rules related to receiving DL-CCH commands via the concatenated DL-CCH candidates. The UE may receive an indication that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel. In some examples, the indication may be received via radio resource control (RRC) signaling. The UE may receive the downlink control channel order via one or both of the first and second downlink control channel candidates according to one or more rules. The DL-CCH command can be sent by the base station and can request the UE to participate in the random access procedure. The UE may perform the random access procedure associated with the downlink control channel order according to one or more rules. In some examples, one or more rules may indicate a threshold delay period between receipt of a DL-CCH command at a UE and transmission of an UL random access message by the UE. In some examples, one or more rules may specify criteria for identifying quasi-co-location (QCL) assumptions to be applied to received downlink random access messages. Additionally or alternatively, one or more rules may relate to whether the UE can receive DL-CCH commands via the concatenated DL-CCH candidates. In some examples, a UE may receive a downlink control channel command via a downlink control channel candidate that is not concatenated with other downlink control channel candidates for repetition.

A method for wireless communication at a UE is described. The method may include: receiving an indication that a first downlink control channel candidate and a second downlink control channel candidate are repeatedly concatenated for a downlink control channel; via the first downlink control channel candidate and the One or both of the second downlink control channel candidates receive a downlink control channel command requesting the UE to participate in a random access procedure; and receiving the downlink control channel according to the connected downlink control channel candidate One or more rules related to the channel command are used to execute the random access procedure associated with the downlink control channel command.

An apparatus for wireless communication at a UE is described. The apparatus may include a processor, memory coupled to the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to: receive an indication that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel; via One or both of the first downlink control channel candidate and the second downlink control channel candidate receive a downlink control channel command requesting the UE to participate in a random access procedure; and The DL-CCH candidate receives one or more rules related to the DL-CCH command to execute the random access procedure associated with the DL-CCH command.

Another apparatus for wireless communication at a UE is described. The apparatus may include: means for receiving an indication that a first downlink control channel candidate and a second downlink control channel candidate are repeatedly concatenated for a downlink control channel; One or both of the first downlink control channel candidate and the second downlink control channel candidate receive a downlink control channel command requesting the UE to participate in a random access procedure; The CCH candidate receives one or more rules related to the DL CCH command to execute the random access procedure associated with the DL CCH command.

A non-transitory computer readable medium storing code for wireless communication at a UE is described. The code may include instructions executable by a processor to: receive an indication that a first downlink control channel candidate and a second downlink control channel candidate are repeatedly concatenated for a downlink control channel; One or both of a downlink control channel candidate and the second downlink control channel candidate receive a downlink control channel command requesting the UE to participate in a random access procedure; The random access procedure associated with the downlink control channel command is executed according to one or more rules related to the downlink control channel command received by the control channel candidate.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, executing the random access procedure may include operations, features, units, or instructions for: the random access opportunity at which the link control channel is commanded to send the uplink random access message; and based on the first symbol of the random access opportunity after a threshold delay period that may be triggered by the reference downlink control channel candidate, to The uplink random access message is sent during the random access opportunity. In some instances, since the second DLCC candidate ends later in time than the first DLCC candidate, the reference DLCC candidate may be the second DLCC candidate candidate, and the one or more rules may indicate that the threshold delay period starts after the last symbol of the second downlink control channel candidate.

Some examples of the methods, apparatuses, and non-transitory computer-readable media described herein may also include operations, features, units, or instructions for: executing the random access procedure according to the one or more rules may Independent of whether the downlink control channel command is received during the first downlink control channel candidate or during the second downlink control channel candidate.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, the threshold delay period includes a first time period for uplink shared channel preparation according to the capabilities of the UE, for a random A second time period for access preparation, a third time period for bandwidth part (BWP) switching, a fourth time period for uplink switching, or a combination thereof.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, determining the random access occasion may include operations, features, units, or instructions for: The timing of the random access opportunity is determined based on the indication in the channel command or based on the measured sync signal block (SSB).

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, executing the random access procedure may include operations, features, units, or instructions for: responding to the downlink control channel command to send an uplink random access message, wherein the first downlink control channel candidate may be associated with a first transmission configuration indicator (TCI) state, and the second downlink control channel candidate may be associated with a second TCI state that may be different from the first TCI state; and identifying according to the one or more rules to apply to receiving a downlink random access message in response to the uplink random access message A QCL hypothesis of the message is retrieved, the QCL hypothesis is associated with at least one of the first TCI state or the second TCI state.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules One of the first TCI state or the second TCI state serves as the basis for the QCL hypothesis, wherein the one or more rules specify that selection of the first TCI state or the second TCI state may be based on the first The relative timing of the downlink control channel candidate and the second downlink control channel candidate.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules One of the first TCI state or the second TCI state serves as the basis for the QCL hypothesis, wherein the one or more rules specify that selection of the first TCI state or the second TCI state may be based on a relationship with the second TCI state A first search space set identifier (ID) of a first search space set corresponding to a downlink control channel candidate and a second search space set identifier (ID) of a second search space set corresponding to the second downlink control channel candidate The relative value of the spatial set ID.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules One of the first TCI state or the second TCI state serves as the basis for the QCL assumption, wherein the one or more rules specify that selection of the first TCI state or the second TCI state may be based on the same The first control resource set (CORESET) ID associated with the first search space set corresponding to the first downlink control channel candidate is associated with the second search space set corresponding to the second downlink control channel candidate The relative value of the second CORESET ID of the link.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules One of the first TCI state or the second TCI state serves as the basis for the QCL hypothesis, wherein the one or more rules specify that selection of the first TCI state or the second TCI state may be based on a relationship with the second TCI state The relative value of the first TCI state ID associated with a TCI state and the second TCI state ID associated with the second TCI state.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules Both the first TCI state and the second TCI state serve as the basis for the QCL assumption, wherein the one or more rules specify that the downlink random access message to which the QCL assumption can be applied may be a scheduled random access response The downlink control channel information of the (RAR) message, the downlink control channel information is transmitted through the third downlink control channel candidate and the fourth downlink control channel candidate that can be concatenated for the downlink control channel repetition sent.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules Both the first TCI state and the second TCI state serve as the basis for the QCL assumption, wherein the one or more rules specify that the downlink random access message to which the QCL assumption can be applied may be a RAR message, the RAR message The multi-TCI state downlink shared channel may be changed in at least one manner among space division multiplexing (SDM), frequency division multiplexing (FDM), time division multiplexing (TDM) or single frequency network.

In some examples of the methods, apparatus, and non-transitory computer-readable medium described herein, the downlink control channel command requests a contention-free Random Access (CFRA) procedure.

In some examples of the methods, apparatus and non-transitory computer readable medium described herein, the downlink random access message may be a downlink control channel message scheduling a RAR message or may be the RAR message.

A method for wireless communication at a base station is described. The method may include: sending to the UE an indication that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel; via the first downlink control channel candidate sending a downlink control channel command to the UE requesting the UE to participate in a random access procedure with one or both of the second downlink control channel candidates; One or more rules associated with the DL-CCH command to receive UL random access messages associated with the DL-CCH command from the UE.

An apparatus for wireless communication at a base station is described. The apparatus may include a processor, memory coupled to the processor, and instructions stored in the memory. The instructions may be executable by the processor to cause the apparatus to perform the following operations: sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel ; sending a downlink control channel command requesting the UE to participate in a random access procedure to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and An UL random access message associated with the DL-CCH command is received from the UE according to one or more rules related to sending the DL-CCH command via a concatenated DL-CCH candidate.

Another arrangement for wireless communication at a base station is described. The apparatus may include: a unit for sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel; One or both of the downlink control channel candidate and the second downlink control channel candidate sends a downlink control channel command requesting the UE to participate in a random access procedure to the UE; A means for receiving, from the UE, an UL random access message associated with the DL-CCH command via the concatenated DL-CCH candidate sending one or more rules related to the DL-CCH command.

A non-transitory computer readable medium storing code for wireless communication at a base station is described. The code may include instructions executable by the processor to: send an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel; One or both of the first downlink control channel candidate and the second downlink control channel candidate sends a downlink control channel command requesting the UE to participate in a random access procedure to the UE; and An UL random access message associated with the DL-CCH command is received from the UE via the concatenated DL-CCH candidate sending the one or more rules related to the DL-CCH command.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, receiving the uplink random access message may include operations, features, units, or instructions for: based on random access The first symbol of an occasion receives the UL random access message during the random access occasion after a threshold delay period that may be triggered by a reference DL control channel candidate. In some instances, since the second DLCC candidate ends later in time than the first DLCC candidate, the reference DLCC candidate may be the second DLCC candidate candidate, and the one or more rules may indicate that the threshold delay period starts after the last symbol of the second downlink control channel candidate.

Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, units, or instructions for: receiving the uplink random access memory according to the one or more rules The fetch message may be independent of whether the DL-CCH command may be sent during the first DL-CCH candidate or during the second DL-CCH candidate.

Some examples of the methods, apparatuses, and non-transitory computer-readable media described herein may also include operations, features, units, or instructions for: sending a message to the UE via the downlink control channel command or SSB An indication of the timing of the random access opportunity.

Some examples of the methods, apparatus, and non-transitory computer-readable media described herein may also include operations, features, units, or instructions for: identifying, according to the one or more rules, the uplink random access message to send a QCL hypothesis for the downlink random access message, the QCL hypothesis being associated with at least one of the following: the first downlink control channel candidate associated with the first downlink control channel candidate A TCI state, or a second TCI state associated with the second downlink control channel candidate, wherein the first TCI state may be different from the second TCI state.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules Both the first TCI state and the second TCI state serve as the basis for the QCL assumption, wherein the one or more rules specify that the downlink random access message to which the QCL assumption can be applied may be a downlink of a scheduled RAR message The DL-CCH message, the DL-CCH message is sent via the third DL-CCH candidate and the fourth DL-CCH candidate which may be concatenated for the DL-CCH repetition.

In some examples of the methods, apparatus, and non-transitory computer-readable media described herein, identifying the QCL hypothesis may include operations, features, units, or instructions for: selecting according to the one or more rules Both the first TCI state and the second TCI state serve as the basis for the QCL assumption, wherein the one or more rules specify that the downlink random access message to which the QCL assumption can be applied may be a RAR message, the RAR message The multi-TCI state downlink shared channel may be changed in at least one mode of SDM, FDM, TDM or single frequency network.

In some wireless communication systems, a user equipment (UE) may be configured with one or more control resource sets (CORESET). Each CORESET may include time and frequency resources within a serving cell's bandwidth part (BWP) allocated to carry a physical downlink control channel (PDCCH). A CORESET may include one or more sets of search spaces, each set of search spaces including one or more PDCCH candidates. A UE may be configured to monitor each PDCCH candidate for downlink control information (DCI). In some examples, the base station may send a PDCCH order requesting the UE to participate in the random access procedure via one or more PDCCH candidates concatenated for PDCCH repetition. However, if a PDCCH order is associated with a concatenated PDCCH candidate, the UE may not be able to identify the isochrone for sending uplink random access messages, such as random access request messages, after receiving the PDCCH order. Additionally or alternatively, if a PDCCH order is associated with concatenated PDCCH candidates each corresponding to a different Transmission Configuration Indicator (TCI) state, the UE may not know which TCI state should be selected as the basis for the quasi-collocation (QCL) assumption , the QCL is supposed to be applied to receive one or more downlink random access messages corresponding to the PDCCH order.

A UE as described herein may be configured with a set of one or more rules for performing a random access procedure according to a PDCCH order received via a concatenated PDCCH candidate. Performing random access procedures by the UE may include receiving PDCCH orders, sending uplink random access messages, and receiving DCI via PDCCH that schedules downlink random access received via physical downlink shared channel (PDSCH). Get message. After receiving a PDCCH order in one or both of the first PDCCH candidate or the second PDCCH candidate concatenated to the first PDCCH candidate, the UE may transmit an uplink random access channel (RACH) via the physical random access channel (PRACH). Wait for at least the delay period before the message. One or more rules may indicate that the delay period starts after the last symbol of the concatenated PDCCH candidate that ends later in time.

If the first PDCCH candidate and the second PDCCH candidate are associated with the same TCI state, the UE may use the TCI state as a basis for QCL assumptions to be applied to receive DCI, downlink random access messages, or both. In some examples, the first PDCCH candidate may correspond to a first TCI state, and the second PDCCH candidate may correspond to a second TCI state different from the first TCI state, and rules may be specified for selecting the first TCI state or the second TCI state. One or more parameters used as a basis for QCL assumptions for one of two TCI statuses. One or more rules may specify that the DCI of the scheduled downlink random access message is associated with the concatenated PDCCH candidate, the downlink random access message is received via a multi-TCI state PDSCH, or both. Both the first TCI state and the second TCI state.

Additionally or alternatively, one or more rules may indicate that a UE may avoid receiving a PDCCH order if the PDCCH order is associated with two or more concatenated PDCCH candidates. In such cases, the UE may receive PDCCH orders via PDCCH candidates that are not concatenated with other PDCCH candidates for repetition. In one example, one or more rules may allow receipt of PDCCH orders via concatenated PDCCH candidates if the concatenated PDCCH candidates correspond to the same TCI state, and one or more rules if the concatenated PDCCH candidates correspond to different TCI states. A number of rules can restrict the receipt of PDCCH orders. Accordingly, a UE may be configured with one or more rules related to receiving PDCCH orders via concatenated PDCCH candidates to improve reliability and efficiency of random access procedures corresponding to PDCCH orders.

Various aspects of the content of this case are first described in the context of wireless communication systems. Other aspects of the subject matter of this case are described with reference to search space set configurations, random access isochrones, and program flow. Aspects of the subject matter are further illustrated, and described with reference to, via apparatus diagrams, system diagrams, and flow diagrams involving downlink control channel repetition for downlink control channel commands.

1 illustrates an example of a wireless communication system 100 supporting DL-CCH duplication for DL-CCH commands according to aspects of the present disclosure. The wireless communication system 100 may include one or more base stations 105 , one or more UEs 115 and a core network 130 . In some examples, the wireless communication system 100 may be a Long Term Evolution (LTE) network, an LTE-Advanced (LTE-A) network, an LTE-A Pro network or a New Radio (NR) network. In some examples, wireless communication system 100 may support enhanced broadband communication, ultra-reliable (eg, mission critical) communication, low-latency communication, or communication with low-cost and low-complexity devices, or any combination thereof.

Base stations 105 may be dispersed throughout a geographic area to form wireless communication system 100, and may be different forms or devices with different capabilities. Base station 105 and UE 115 may communicate wirelessly via one or more communication links 125 . Each base station 105 can provide a coverage area 110 over which the UE 115 and the base station 105 can establish one or more communication links 125 . Coverage area 110 may be an example of such a geographic area over which base station 105 and UE 115 may support transmission of signals according to one or more radio access technologies.

UEs 115 may be dispersed throughout coverage area 110 of wireless communication system 100, and each UE 115 may be stationary, or mobile, or both at different times. UE 115 may be a different form or capable device. Some example UEs 115 are illustrated in FIG. 1 . The UE 115 described herein is capable of communicating with various types of devices, such as other UEs 115, base stations 105, or network equipment (e.g., core network nodes, relay devices, Integrated Access and Backload (IAB) nodes, or other network device), as shown in Figure 1.

The base stations 105 can communicate with the core network 130, or communicate with each other, or both. For example, the base station 105 can interface with the core network 130 via one or more backhaul links 120 (eg, via S1, N2, N3 or other interfaces). Base stations 105 may communicate with each other directly (e.g., directly between base stations 105) over backhaul link 120 (e.g., via X2, Xn, or other interface), or indirectly (e.g., via core network 130 ) to communicate with each other, or both. In some examples, backhaul link 120 may be or include one or more wireless links.

One or more of the base stations 105 described herein may include or may be referred to by those of ordinary skill in the art as a base station transceiver, radio base station, access point, radio transceiver, Node B, evolution An eNB, a Next Generation Node B or a Gigabit Node B (either may be referred to as a gNB), a Home Node B, a Home Evolved Node B, or some other appropriate terminology.

UE 115 may include or may be referred to as a mobile device, wireless device, remote device, handheld device, or user equipment, or some other appropriate term, where a "device" may also be referred to as a unit, station, terminal, or client terminal and other instances. UE 115 may also include or be referred to as a personal electronic device, such as a cellular phone, personal digital assistant (PDA), tablet computer, laptop computer, or personal computer. In some examples, UE 115 may include or be referred to as a Wireless Local Loop (WLL) station, an Internet of Things (IoT) device, an Internet of Everything (IoE) device, or a Machine Type Communication (MTC) device, among other examples. Implementations may be in various items such as appliances, or vehicles, meters, and other examples.

The UE 115 described herein is capable of communicating with various types of equipment, such as other UEs 115 and base stations 105 and network equipment, which may sometimes act as repeaters, including macro eNBs or gNBs, small cell eNBs or gNBs, or medium The base station and other examples are shown in Figure 1.

UE 115 and base station 105 may communicate wirelessly with each other via one or more communication links 125 on one or more carriers. The term “carrier” may refer to a collection of radio frequency spectrum resources having a defined physical layer structure for supporting the communication link 125 . For example, the carrier used for the communication link 125 may comprise a portion of a band of radio frequency spectrum (e.g., BWP, which is defined according to the radio access technology (e.g., LTE, LTE-A, LTE-A Pro, NR) One or more physical layer channels operate. Each physical layer channel can carry acquisition signaling (eg, synchronization signals, system information), control signaling to coordinate operations on the carrier, user data, or other signaling. Wireless communication System 100 can support communication with UE 115 using carrier aggregation or multi-carrier operation. Depending on the carrier aggregation configuration, UE 115 can be configured with multiple downlink component carriers and one or more uplink component carriers. Carrier aggregation can be combined with Both Frequency Division Duplex (FDD) and Time Division Duplex (TDD) component carriers are used together.

In some instances (eg, in carrier aggregation configurations), a carrier may also have acquisition signaling or control signaling that coordinates operations for other carriers. A carrier may be associated with a frequency channel (eg, Evolved Universal Telecommunications System Terrestrial Radio Access (E-UTRA) Absolute Radio Frequency Channel Number (EARFCN)) and may be placed according to a channel grid for discovery by UE 115 . The carrier may operate in a standalone mode, where the UE 115 initially acquires and connects via the carrier, or the carrier may operate in a non-standalone mode, where a different carrier (e.g., of the same or different radio access technology) is used to anchor connect.

The communication link 125 shown in the wireless communication system 100 may include an uplink transmission from the UE 115 to the base station 105 or a downlink transmission from the base station 105 to the UE 115 . A carrier may carry downlink or uplink traffic (eg, in FDD mode) or may be configured to carry both downlink and uplink traffic (eg, in TDD mode).

A carrier may be associated with a particular bandwidth of the radio frequency spectrum, and in some instances, the carrier bandwidth may be referred to as the carrier or the "system bandwidth" of the wireless communication system 100 . For example, the carrier bandwidth may be one of a number of determined bandwidths (eg, 1.4, 3, 5, 10, 15, 20, 40, or 80 megahertz (MHz)) for a particular radio access technology carrier . Devices of wireless communication system 100 (e.g., base station 105, UE 115, or both) may have hardware settings to support communication over a specific carrier bandwidth, or may be configurable to support a carrier in a set of carrier bandwidths communication on bandwidth. In some examples, the wireless communication system 100 can include a base station 105 or a UE 115 that supports simultaneous communication via carriers associated with multiple carrier bandwidths. In some instances, each served UE 115 may be configured to operate on a portion (eg, sub-band, BWP) or all of a carrier bandwidth.

The signal waveform transmitted on a carrier can be composed of multiple subcarriers (e.g., using multicarrier modulation such as Orthogonal Frequency Division Multiplexing (OFDM) or Discrete Fourier Transform Spread Spectrum OFDM (DFT-S-OFDM) (MCM) technology). In systems employing MCM techniques, resource elements may include a symbol period (eg, the duration of one modulation symbol) and a subcarrier, where the symbol period and subcarrier spacing are inversely related. The number of bits carried by each resource element may depend on the modulation scheme (eg, the order of the modulation scheme, the coding rate of the modulation scheme, or both). Thus, the more resource elements UE 115 receives and the higher the order of the modulation scheme, the higher the data rate for UE 115 can be. Wireless communication resources may refer to a combination of radio frequency spectrum resources, temporal resources, and spatial resources (e.g., spatial layers or beams), and the use of multiple spatial layers may further increase the data rate or data integrity for communication with the UE 115 sex.

）和循環字首。載波可以被劃分成具有相同或不同數位方案的一或多個BWP。在一些實例中，UE 115可以被配置有多個BWP。在一些實例中，用於載波的單個BWP在給定的時間處可以是活動的，並且用於UE 115的通訊可以被限制為一或多個活動BWP。 Can support one or more numerology for the carrier, where the numerology can include subcarrier spacing (

) and the loop prefix. A carrier can be divided into one or more BWPs with the same or different bit schemes. In some instances, UE 115 may be configured with multiple BWPs. In some instances, a single BWP for a carrier may be active at a given time, and communications for UE 115 may be limited to one or more active BWPs.

秒的取樣週期，其中

可以表示最大支援的次載波間隔，並且

可以表示最大支援的離散傅裡葉變換（DFT）大小）的倍數來表示用於基地台105或UE 115的時間間隔。可以根據均具有指定持續時間（例如，10毫秒（ms））的無線電訊框來組織通訊資源的時間間隔。可以經由系統訊框號（SFN）（例如，範圍從0到1023）來標識每個無線電訊框。 can be in basic time units (which can for example be referred to as

second sampling period, where

can represent the maximum supported subcarrier spacing, and

The time interval for the base station 105 or UE 115 can be expressed in multiples of the maximum supported discrete Fourier transform (DFT) size). Time intervals of communication resources may be organized in terms of radio frames each having a specified duration (eg, 10 milliseconds (ms)). Each radio frame may be identified by a system frame number (SFN) (eg, ranging from 0 to 1023).

個）取樣週期。符號週期的持續時間可以取決於次載波間隔或操作頻帶。 Each frame may include multiple consecutively numbered subframes or slots, and each subframe or slot may have the same duration. In some examples, a frame can be divided (eg, in the time domain) into subframes, and each subframe can be further divided into a number of time slots. Alternatively, each frame may include a variable number of time slots, and the number of time slots may depend on the subcarrier spacing. Each slot may consist of a number of symbol periods (eg, depending on the length of the cyclic prefix added in front of each symbol period). In some wireless communication systems 100, a slot may be further divided into multiple mini-slots containing one or more symbols. Excluding the cycle prefix, each symbol period can contain one or more (e.g.,

a) sampling period. The duration of a symbol period may depend on the subcarrier spacing or the frequency band of operation.

A subframe, slot, mini-slot or symbol may be the smallest scheduling unit (eg, in the time domain) of the wireless communication system 100 and may be referred to as a Transmission Time Interval (TTI). In some examples, the TTI duration (eg, the number of symbol periods in a TTI) may be variable. Additionally or alternatively, the smallest scheduling unit of the wireless communication system 100 may be dynamically selected (eg, in short bursts of shortened TTI (sTTI)).

Physical channels may be multiplexed on the carrier according to various techniques. For example, the physical control channel and the physical data channel may be multiplexed on the downlink carrier using one or more of time division multiplexing (TDM), frequency division multiplexing (FDM) or hybrid TDM-FDM techniques. manual processing. A control region (eg, CORESET) for a physical control channel may be defined by the number of symbol periods and may extend across a carrier's system bandwidth or a subset of the system bandwidth. One or more control regions (eg, CORESET) may be configured for a group of UEs 115 . For example, one or more of the UEs 115 may monitor or search the control region for control information according to one or more sets of search spaces, and each set of search spaces may include one or more aggregations arranged in a cascaded manner One or more control channel candidates under the level. An aggregation level for a control channel candidate may refer to the number of control channel resources (eg, control channel elements (CCEs)) associated with encoding information for a control information format with a given payload size. The set of search spaces may include a common set of search spaces configured for sending control information to multiple UEs 115 and a UE-specific set of search spaces for sending control information to a specific UE 115 .

Each base station 105 may provide communication coverage via one or more cells (eg, macrocells, minicells, hotspots, or other types of cells, or any combination thereof). The term "cell" may refer to a logical communicating entity used to communicate with base station 105 (eg, on a carrier wave) and may be used in conjunction with identifiers used to distinguish adjacent cells (eg, physical cell identifier (PCID), virtual Cell identifier (VCID) or other identifiers). In some examples, a cell may also refer to a geographic coverage area 110 or a portion (eg, a sector) of a geographic coverage area 110 over which a logical communicating entity operates. Depending on various factors, such as the capabilities of the base station 105, such cells may range from smaller areas (eg, structures, subsets of structures) to larger areas. For example, a cell may be or include a building, a subset of buildings, or an external space between or overlapping the geographic coverage area 110, among other examples.

A macrocell typically covers a relatively large geographic area (eg, several kilometers in radius) and may allow unrestricted access by a UE 115 with a service subscription with a macrocell-enabled network provider. Small cells may be associated with lower power base stations 105 than macrocells, and small cells may operate in the same or different (eg, licensed, unlicensed) frequency bands as macrocells. The small cell may provide unrestricted access to UEs 115 with a service subscription with a network provider, or may provide UEs 115 with an association with the small cell (e.g., UEs 115 in a Closed Subscriber Group (CSG) , a UE 115 associated with a user in a home or office) provides restricted access. The base station 105 can support one or more cells, and can also support communication on one or more cells using one or more component carriers.

In some instances, a carrier can support multiple cells and can be based on different protocol types that can provide access to different types of devices (e.g., MTC, Narrowband-IoT (NB-IoT), Enhanced Mobile Broadband (eMBB-IoT), )) to configure different cells.

In some examples, base station 105 may be mobile, and thus, provide communication coverage for mobile geographic coverage area 110 . In some instances, different geographic coverage areas 110 associated with different technologies may overlap, but the different geographic coverage areas 110 may be supported by the same base station 105 . In other examples, overlapping geographic coverage areas 110 associated with different technologies may be supported by different base stations 105 . The wireless communication system 100 may include, for example, a heterogeneous network in which different types of base stations 105 use the same or different RATs to provide coverage for each geographic coverage area 110 .

The wireless communication system 100 can support synchronous or asynchronous operation. For synchronous operation, base stations 105 may have similar frame timing, and transmissions from different base stations 105 may be approximately aligned in time. For asynchronous operation, base stations 105 may have different frame timings, and in some instances, transmissions from different base stations 105 may not be aligned in time. The techniques described herein can be used for synchronous or asynchronous operation.

Some UEs 115 (eg, MTC or IoT devices) may be low-cost or low-complexity devices and may provide automated communication between machines (eg, via machine-to-machine (M2M) communication). M2M communication or MTC may refer to a data communication technology that allows devices to communicate with each other or the base station 105 without human intervention. In some examples, M2M communication or MTC may include communication from devices that incorporate sensors or meters to measure or capture information and relay such information to a central server or application that either The application utilizes this information or presents this information to humans who interact with the application. Some UEs 115 may be designed to collect information or to automate the behavior of machines or other devices. Examples of applications for MTC devices include smart metering, inventory monitoring, water level monitoring, equipment monitoring, healthcare monitoring, wildlife monitoring, climate and geological event monitoring, fleet management and tracking, remote security sensing, physical access control, And billing based on transaction volume.

Some UEs 115 may be configured to employ reduced power consumption modes of operation, such as half-duplex communication (eg, a mode that supports one-way communication via transmit or receive rather than simultaneous transmit and receive). In some instances, half-duplex communication may be performed at a reduced peak rate. Other power saving techniques for the UE 115 include entering a power-saving deep sleep when not engaged in active communication, when operating on a limited bandwidth (e.g., based on narrowband communication), or when a combination of these techniques model. For example, some UEs 115 may be configured to operate using a narrowband agreement type with defined portions or ranges (e.g., subcarriers or resource blocks) within a carrier, within a guard band of a carrier, or outside a carrier. (Set of RB)) associated.

The wireless communication system 100 can be configured to support ultra-reliable communication or low-latency communication, or various combinations thereof. For example, the wireless communication system 100 may be configured to support Ultra Reliable Low Latency Communications (URLLC) or mission critical communications. UE 115 may be designed to support ultra-reliable, low-latency, or critical functions (eg, mission critical functions). Ultra-reliable communications can include private or group communications and can be supported by one or more mission-critical services such as Mission Critical Push to Talk (MCPTT), Mission Critical Video (MCVideo) or Mission Critical Data (MCData). Support for mission-critical functions may include prioritization of services, and mission-critical services may be used for public safety or general commercial applications. The terms ultra-reliable, low-latency, mission-critical, and ultra-reliable-low-latency are used interchangeably herein.

In some instances, UEs 115 are capable of communicating directly with other UEs 115 over D2D communication link 135 (eg, using peer-to-peer (P2P) or device-to-device (D2D) protocols). One or more UEs 115 utilizing D2D communication may be within the geographic coverage area 110 of the base station 105 . Other UEs 115 in such groups may be outside the geographic coverage area 110 of the base station 105 or otherwise unable to receive transmissions from the base station 105 . In some examples, groups of UEs 115 communicating via D2D communication may utilize a one-to-many (1:M) system, where each UE 115 transmits to every other UE 115 of the group. In some examples, the base station 105 facilitates scheduling of resources for D2D communication. In other cases, D2D communication is performed between UEs 115 without involving the base station 105 .

In some systems, D2D communication link 135 may be an instance of a communication channel (such as a sidelink communication channel) between vehicles (eg, UE 115 ). In some examples, vehicles may communicate using vehicle-to-everything (V2X) communications, vehicle-to-vehicle (V2V) communications, or some combination of these. Vehicles may signal information related to traffic conditions, signaling schedules, weather, safety, emergencies, or any other information related to the V2X system. In some instances, vehicles in a V2X system may communicate with roadside infrastructure, such as roadside units, or via one or more network nodes (e.g., base stations) using vehicle-to-network (V2N) communications. 105) Communicate with the network, or both.

Core network 130 may provide user authentication, access authorization, tracking, Internet Protocol (IP) connectivity, and other access, routing, or mobility functions. The core network 130 may be an Evolved Packet Core (EPC) or a 5G Core (5GC), which may include at least one control plane entity (e.g., Mobility Management Entity (MME), Access and Mobility Management Function Unit (AMF)) and at least one user plane entity that routes packets to or interconnects to the external network (e.g., Service Gateway (S-GW), Packet Data Network (PDN) Gateway (P-GW), or User Plane Functional Unit (UPF)). The control plane entities may manage non-access stratum (NAS) functions such as mobility, authentication and bearer management for UEs 115 served by base stations 105 associated with core network 130 . User IP packets can be transmitted via user plane entities, which can provide IP address allocation and other functions. User plane entities may connect to IP services 150 for one or more Internet service providers. IP services 150 may include access to the Internet, an intranet, an IP Multimedia Subsystem (IMS), or packet-switched streaming services.

Some of the network devices (eg, base station 105) may include subcomponents such as access network entity 140, which may be an instance of an access node controller (ANC). Each access network entity 140 may communicate with UE 115 via one or more other access network transport entities 145 (which may be referred to as radio heads, smart radio heads, or transmit/receive points (TRPs)). communication. Each ATN transport entity 145 may include one or more antenna panels. In some configurations, the various functions of each access network entity 140 or base station 105 may be distributed across individual network devices (e.g., radio head and ANC) or consolidated into a single network device (e.g., base station 105).

Wireless communication system 100 may operate using one or more frequency bands, typically in the range of 300 megahertz (MHz) to 300 gigahertz (GHz). Typically, the region from 300 MHz to 3 GHz is referred to as the Ultra High Frequency (UHF) region or the decimeter band, since the wavelengths range from approximately one decimeter to one meter in length. UHF waves may be blocked or redirected by buildings and environmental features, but the waves may penetrate structures sufficiently for macro cells to serve UEs 115 located indoors. UHF wave transmission can be performed with smaller antennas and shorter distance (for example, less than 100 kilometers).

The wireless communication system 100 can also operate in the super high frequency (SHF) region using the frequency band from 3 GHz to 30 GHz (also known as the centimeter band) or in the extremely high frequency (EHF) region of the spectrum (for example, from 30 GHz to 300 GHz), also known as millimeter band. In some examples, wireless communication system 100 may support millimeter wave (mmW) communication between UE 115 and base station 105, and EHF antennas of corresponding devices may be even smaller and more closely spaced than UHF antennas. In some instances, this can facilitate the use of antenna arrays within the device. However, the propagation of EHF transmissions may suffer from even greater atmospheric attenuation and shorter distances than SHF or UHF transmissions. The techniques disclosed herein may be employed across transmissions using one or more different frequency regions, and the designated use of frequency bands across these frequency regions may vary by country or regulatory agency.

The wireless communication system 100 can utilize both licensed and unlicensed radio frequency spectrum bands. For example, the wireless communication system 100 may employ License Assisted Access (LAA), LTE Unlicensed (LTE-U) radio access technology, or NR technology in an unlicensed frequency band such as the 5 GHz Industrial, Scientific, and Medical (ISM) band . Devices such as base station 105 and UE 115 may employ carrier sensing for collision detection and avoidance when operating in unlicensed radio frequency spectrum bands. In some instances, operation in an unlicensed band may be based on a carrier aggregation configuration incorporating component carriers operating in a licensed band (eg, LAA). Operations in the unlicensed spectrum may include downlink transmissions, uplink transmissions, P2P transmissions, or D2D transmissions, among other examples.

A base station 105 or UE 115 may be equipped with multiple antennas, which may be used to employ techniques such as transmit diversity, receive diversity, multiple-input multiple-output (MIMO) communication, or beamforming. The antennas of the base station 105 or UE 115 may be located within one or more antenna arrays or antenna panels (which may support MIMO operation or transmit or receive beamforming). For example, one or more base station antennas or antenna arrays may be co-located at an antenna element, such as an antenna tower. In some instances, antennas or antenna arrays associated with base station 105 may be located at different geographic locations. The base station 105 may have an antenna array with a number of rows and columns of antenna ports that the base station 105 may use to support beamforming for communication with the UE 115 . Likewise, UE 115 may have one or more antenna arrays that may support various MIMO or beamforming operations. Additionally or alternatively, the antenna panel may support radio frequency beamforming for signals transmitted via the antenna ports.

The base station 105 or UE 115 can use MIMO communication to take advantage of multipath signal propagation and improve spectral efficiency by sending or receiving multiple signals through different spatial layers. Such techniques may be referred to as spatial multiplexing. For example, the transmitting device may transmit multiple signals through different antennas or different combinations of antennas. Likewise, the receiving device may receive multiple signals via different antennas or different combinations of antennas. Each of the multiple signals may be referred to as a separate spatial stream, and may carry the same data stream (e.g., the same codewords) or a different data stream (e.g., different codewords) associated bits. Different spatial layers may be associated with different antenna ports for channel measurement and reporting. MIMO technologies include single-user MIMO (SU-MIMO), in which multiple spatial layers are sent to the same receiving device, and multi-user MIMO (MU-MIMO), in which multiple spatial layers are sent to multiple devices.

Beamforming (which may also be referred to as spatial filtering, directional transmit, or directional receive) is a signal processing technique that can be used at a transmitting device or a receiving device (e.g., base station 105, UE 115) to Antenna beams (eg, transmit beams, receive beams) are formed or directed along a spatial path between a transmitting device and a receiving device. Beamforming may be achieved by combining signals transmitted through the antenna elements of an antenna array such that some signals propagating in a particular orientation relative to the antenna array undergo constructive interference while other signals undergo destructive interference. The adjustment to the signal transmitted via the antenna element may include the sending device or the receiving device applying an amplitude offset, a phase offset, or both to the signal carried via the antenna element associated with the device. The adjustments associated with each of the antenna elements may be defined by a set of beamforming weights associated with a particular orientation (eg, relative to an antenna array of a transmitting device or a receiving device, or relative to some other orientation).

As part of the beamforming operation, the base station 105 or UE 115 may employ beam scanning techniques. For example, base station 105 may employ multiple antennas or antenna arrays (eg, antenna panels) for beamforming operations for directional communication with UE 115 . The base station 105 may transmit some signals (eg, synchronization signals, reference signals, beam selection signals, or other control signals) multiple times in different directions. For example, base station 105 may transmit signals according to different sets of beamforming weights associated with different transmission directions. Transmissions in different beam directions may be used (eg, by a transmitting device such as base station 105 ) or by a receiving device such as UE 115 to identify a beam direction for subsequent transmission or reception by base station 105 .

The base station 105 may transmit some signals (eg, data signals associated with the receiving device) in a single beam direction (eg, the direction associated with a particular receiving device (eg, UE 115 )). In some examples, beam directions associated with transmission along a single beam direction may be determined based on signals sent in one or more beam directions. For example, UE 115 may receive one or more of the signals transmitted by base station 105 in different directions, and may report to base station 105 the highest or otherwise acceptable signal quality received by UE 115 indication of the signal.

In some instances, multiple beam directions may be used to perform transmissions by a device (e.g., by base station 105 or UE 115), and the device may use a combination of digital precoding or radio frequency beamforming to generate a signal for (e.g., , the combined beam for transmission from the base station 105 to the UE 115 . The UE 115 may report feedback indicating precoding weights for one or more beam directions, and the feedback may correspond to a configured number of beams across the system bandwidth or one or more sub-bands. The base station 105 can transmit reference signals (eg, cell-specific reference signal (CRS), channel state information reference signal (CSI-RS)) that can be precoded or not. UE 115 may provide feedback for beam selection, which may be precoding matrix indicator (PMI) or codebook based feedback (e.g., multi-panel type codebook, linear combination type codebook, port selection type codebook ). Although these techniques are described with reference to base station 105 sending signals in one or more directions, UE 115 may employ similar techniques to send signals multiple times in different directions (e.g., to identify the direction of the beam for subsequent transmissions or receptions) or to send a signal in a single direction (for example, to send data to a receiving device).

When receiving various signals from the base station 105, such as synchronization signals, reference signals, beam selection signals, or other control signals, a receiving device (eg, UE 115) may try multiple reception configurations (eg, directional listening). For example, a receiving device may receive via different antenna sub-arrays, by processing received signals according to different antenna sub-arrays, by applying different reception methods to signals received at multiple antenna elements of the antenna array. beamforming weights (eg, different sets of directional listening weights), or process the received signal by applying different sets of receive beamforming weights to signals received at multiple antenna elements of the antenna array ( Any of the above individual operations may be referred to as "listening" according to different receive configurations or receive directions), thus attempting multiple receive directions. In some examples, a receiving device may use a single receive configuration to receive along a single beam direction (eg, when receiving data signals). A single receive configuration can be aligned on a beam direction determined based on listening to different receive configuration directions (e.g., determined to have the highest signal strength, highest signal-to-noise ratio (SNR), highest signal-to-noise ratio (SNR), or otherwise acceptable signal quality beam direction).

The wireless communication system 100 may be a packet-based network operating according to a stack of layered protocols. In the user plane, communication at the Bearer or Packet Data Convergence Protocol (PDCP) layer may be IP-based. The Radio Link Control (RLC) layer can perform packet segmentation and reassembly for transmission on logical channels. The Media Access Control (MAC) layer can perform prioritization and multiplexing of logical channels to transport channels. The MAC layer may also use error detection techniques, error correction techniques, or both to support retransmissions at the MAC layer to improve link efficiency. In the control plane, the Radio Resource Control (RRC) protocol layer may provide for the establishment, configuration and maintenance of RRC connections (which support radio bearers for user plane data) between the UE 115 and the base station 105 or core network 130 . At the physical layer, transport channels may be mapped to physical channels.

UE 115 and base station 105 can support retransmission of data to increase the likelihood that the data will be successfully received. Hybrid Automatic Repeat Request (HARQ) feedback is a technique used to increase the likelihood that data on the communication link 125 will be received correctly. HARQ may include a combination of error detection (eg, using cyclic redundancy check (CRC)), forward error correction (FEC), and retransmission (eg, automatic repeat request (ARQ)). HARQ can improve throughput at the MAC layer under poor radio conditions (eg, low signal and noise conditions). In some examples, a device may support same-slot HARQ feedback, wherein the device may provide HARQ feedback in a particular time slot for data received in previous symbols in that time slot. In other cases, the device may provide HARQ feedback in subsequent time slots or according to some other time interval.

In some examples, the UE 115 may repeat two or more downlink control channel candidates (e.g., PDCCH candidates, search spaces, or some other candidate time for downlink resources) that are concatenated for the downlink control channel. and/or frequency position) to receive downlink control channel commands. UE 115 may receive an indication that the first PDCCH candidate and the second PDCCH candidate are concatenated for PDCCH repetition. In some examples, the receipt indication may be signaled via RRC. UE 115 may receive the PDCCH order via one or both of the first and second PDCCH candidates. The PDCCH order can be sent by the base station 105 and can request the UE 115 to participate in a random access procedure. The UE 115 may perform random access procedures associated with the PDCCH order according to one or more rules related to receiving the PDCCH order via the concatenated PDCCH candidates. In some examples, one or more rules may indicate a threshold delay period between receiving a PDCCH order at UE 115 and sending a random access message by UE 115 to base station 105 . In some examples, the one or more rules may indicate rules for identifying QCL assumptions to be applied to received downlink random access messages. Additionally or alternatively, one or more rules may relate to whether UE 115 may receive PDCCH orders via concatenated PDCCH candidates. Accordingly, one or more rules may reduce ambiguities associated with timing, TCI state selection, or both for performing random access procedures in response to receiving a PDCCH order via a concatenated PDCCH candidate, which may improve communication reliability and efficiency.

2 illustrates an example of a wireless communication system 200 supporting DL-CCH duplication for DL-CCH commands in accordance with aspects of the present disclosure. In some examples, the wireless communication system 200 can implement some aspects of the wireless communication system 100 . For example, wireless communication system 200 may include base station 105-a and UE 115-a, which may represent instances of base station 105 and UE 115 as described with reference to FIG. The base station 105-a and the UE 115-a may communicate within the geographic coverage area 110-a via an uplink communication link 205 and a downlink communication link 210 (eg, a Uu link). In some examples, the base station 105-a may send a PDCCH order 225 to the UE 115-a requesting the UE 115-a to participate in the random access procedure via one or more PDCCH candidates concatenated for PDCCH repetition.

The UE 115-a and the base station 105-b may perform random access procedures to synchronize the uplink communication link 205, the downlink communication link 210, or both. In some cases, UE 115-a may send a random access request message 230 (eg, Msg 1 ) to initiate a random access procedure. The random access request message 230 may be sent via PRACH during a PRACH occasion. The random access procedure may correspond to contention-based random access (CBRA) or contention-free random access (CFRA). During the CBRA procedure, the UE 115-a may randomly select the preamble and PRACH occasions for sending the random access request message 230 (eg, based on a received synchronization signal block (SSB)). During the CFRA procedure, UE 115-a may receive a random access preamble and/or a PRACH opportunity assignment from base station 105-a, and UE 115-a may send a random access preamble according to the assigned preamble and PRACH opportunity. Fetch request message 230.

If the UE 115-a has not sent a random access request message 230, and the base station 105-a identifies downlink data to be sent to the UE 115-a, the base station 105-a may send a PDCCH order 225 to the UE 115-a , to request UE 115-a to participate in the random access procedure. UE 115 - a may send random access request message 230 in response to PDCCH order 225 . The UE 115-a may receive the PDCCH order 225 via DCI (eg, DCI format 1_0) with scrambling via a Control Radio Network Temporary Identifier (C-RNTI). If each bit of the Frequency Domain Resource Allocation (FDRA) field of the DCI is set high (eg, set to "1"), the UE 115 - a may determine that the DCI corresponds to the PDCCH order 225 .

PDCCH order 225 may indicate one or more parameters associated with the random access procedure. For example, PDCCH order 225 may include a random access preamble index (eg, a six-bit field) indicating the type of random access procedure. If the random access preamble index is zero, the PDCCH order triggers CBRA, and the UE 115-a may ignore the remaining fields in the PDCCH order 225. During CBRA, UE 115-a may measure one or more SSBs received from base station 105-a and determine a PRACH opportunity for sending random access request message 230 based on the measurement of one or more SSBs (eg, the timing of the PRACH occasion, such as the start symbol of the PRACH occasion). If the random access preamble is not zero, the PDCCH order triggers CFRA. If CFRA is triggered, UE 115-a may decode one or more remaining fields in PDCCH order 225 to identify PRACH timing and other parameters associated with the random access procedure.

The one or more remaining fields in the PDCCH order 225 may include an uplink or supplemental uplink (SUL) indication field, an SSB index field, a PRACH mask index field, one or more other reserved fields or any combination thereof. The UL or SUL indication field may include a bit to indicate whether the UE 115-a may send the random access request message 230 via the uplink or SUL. The SSB index field may include a number of bits (eg, six bits) to indicate the SSB index associated with the CFRA. The PRACH mask field may include a number of bits (eg, four bits) indicating the PRACH mask index associated with the CFRA. UE 115-a may determine a PRACH occasion for sending random access request message 230 based on the SSB index and the PRACH mask index. One or more remaining bits in the DCI conveying the PDCCH order 225 may be reserved for other parameters or applications.

The PRACH opportunity indicated by the PDCCH order 225 (eg, for CFRA) or associated with the measured SSB (eg, for CBRA) may occur after a threshold delay period. The threshold delay period may start after the last symbol of the PDCCH order 225 . That is, the first symbol of the PRACH occasion may occur after the last symbol of the PDCCH order 225 by at least a threshold delay period. The threshold delay period may take into account physical uplink shared channel (PUSCH) preparation, random access preparation, BWP handover, uplink handover, or any combination thereof according to the capabilities of UE 115-a.

The base station 105-a may receive the random access request message 230 during the PRACH occasion, and the base station 105-a may send one or more other random access messages as part of the random access procedure. For example, the base station 105-a may send a control message (eg, DCI) via PDCCH, or a downlink random access response (RAR) message via PDSCH, or both. In some cases, UE 115-a may identify the TCI status to apply to receive control messages, downlink RAR messages, or both based on the TCI state associated with PDCCH order 225 (e.g., the beam used to receive PDCCH order 225). QCL assumptions. For example, UE 115-a may use the TCI state associated with PDCCH order 225 as the basis for QCL assumptions to be applied to receiving downlink random access messages (e.g., UE 115-a may assume that downlink random access messages with PDCCH order 225 is QCL). Additional aspects of random access procedure messages and isochrones may be further described elsewhere herein, including with reference to FIGS. 4A and 4B .

UE 115-a may be configured with one or more CORESETs (e.g., three, four, five, or some other number of CORESETs in the serving cell's BWP) for PDCCH order 225 (e.g., or for other downlink channel control message) to monitor the PDCCH. The number of time and frequency resources (eg, resource blocks in the frequency domain and OFDM symbols in the time domain) within each CORESET and the active TCI states associated with each CORESET may be RRC configured. Each CORESET may include one or more search space sets (e.g., up to 10 search space sets in a BWP of a component carrier (CC)), and each search space set may include one or more PDCCH candidates (e.g., according to given level of aggregation). UE 115-a may perform blind decoding on the PDCCH candidates within each search space to receive DCI. That is, UE 115-a may monitor each PDCCH candidate in the set of search spaces for DCI. UE 115-a may successfully decode one or more of the PDCCH candidates (eg, CRC may pass) to obtain DCI. In some examples, one or more sets of search spaces and corresponding PDCCH candidates may be concatenated for repetition of DCI, which may be referred to as PDCCH repetition or downlink control channel repetition. Additional aspects of configuration for search space sets and PDCCH candidates may be further described elsewhere herein, including with reference to FIGS. 3A and 3B .

In some cases, the base station 105-a may send the PDCCH order 225 via two or more PDCCH candidates that are concatenated for PDCCH repetition. UE 115 may receive indication 235 that PDCCH candidates are concatenated, and UE 115 may receive PDCCH order 225 accordingly. However, in some cases, if the UE 115 receives the PDCCH order 225 via the concatenated PDCCH candidate, the UE 115 may not know when to start the threshold delay period to decide the PRACH opportunity for sending the random access request message 230 . Additionally or alternatively, the concatenated PDCCH candidates may correspond to different TCI states, and in some cases the UE 115 may not know which TCI state to use as the The basis for the QCL assumptions of the message.

As described herein, a UE 115, such as UE 115-a, may be configured with one or more rules regarding receipt of a PDCCH order 225 via a concatenated PDCCH candidate. UE 115-a may receive PDCCH order 225 via the concatenated PDCCH candidate and perform random access procedures in response to PDCCH order 225 according to one or more rules. One or more rules may indicate isochrones for performing random access procedures in response to PDCCH orders 225 received via concatenated PDCCH candidates. For example, a rule may indicate that the threshold delay period after receipt of a PDCCH order and before a PRACH occasion may start after the last symbol of a PDCCH candidate that ends later in time than other concatenated PDCCH candidates.

Additionally or alternatively, one or more rules may provide instructions for UE 115-a to select one or more TCI states to use as a basis for QCL assumptions for receiving future downlink random access messages. That is, if a PDCCH order 225 is received via PDCCH candidates associated with different TCI states, one or more rules may specify parameters for UE 115-a to select one of the TCI states. Additionally or alternatively, the rules may specify that the TCI state may be selected if the UE 115-a receives an indication that the corresponding downlink random access message will be received via the concatenated PDCCH candidate, via the multi-TCI state PDSCH, or both Two or more TCI states in . In some examples, the one or more selected TCI states may indicate one or more parameters for configuring QCL relationships between demodulation reference signal (DMRS) ports for receiving downlink random access messages. If the PDCCH order 225 triggers a CBRA procedure, the UE 115-a may ignore one or more rules for selecting the TCI state. Alternatively, the UE 115-a may decide the QCL assumption based on the measured SSB associated with the CBRA. That is, one or more rules may apply to CFRA procedures, but may not apply to CBRA procedures. Additionally or alternatively, one or more rules may not apply to CFRA procedures performed on secondary cells (SCells).

In some examples, one or more rules may indicate that UE 115-a is expected to receive PDCCH order 225 via two PDCCH candidates that are concatenated for PDCCH repetition. In other words, if UE 115-a receives an indication 235 that two or more PDCCH candidates are concatenated, UE 115-a may refrain from receiving PDCCH orders 225 sent via the concatenated PDCCH candidates. In some examples, rules may allow PDCCH candidates via concatenation if PDCCH order 225 triggers CBRA (e.g., random access preamble index is zero), if PDCCH order 225 triggers CFRA on SCell, or both A PDCCH order is received 225 . Additionally or alternatively, the rules may allow receiving a PDCCH order 225 via a concatenated PDCCH candidate if the concatenated PDCCH candidates correspond to respective sets of search spaces associated with the same CORESET (e.g. the PDCCH candidates correspond to the same TCI state) . In some examples, the rules may allow receiving a PDCCH order 225 via a concatenated PDCCH candidate if the concatenated PDCCH candidates correspond to respective sets of search spaces associated with different CORESETs each associated with the same TCI state.

Accordingly, the UE 115 as described herein may perform random access procedures according to a configured set of rules for performing random access procedures in response to a PDCCH order 225 received via a concatenated PDCCH candidate for PDCCH reception. Rules may specify instructions for performing random access procedures by UE 115, which may provide increased reliability, efficiency, and accuracy of random access procedures corresponding to PDCCH orders.

3A and 3B illustrate examples of search space set configurations 300-a and 300-b supporting DL-CCH repetition for DL-CCH commands according to aspects of the subject matter. Search space set configurations 300 - a and 300 - b may implement or be implemented by some aspects of wireless communication system 100 or 200 . For example, search space set configurations 300-a and 300-b may illustrate example configurations for UE 115 (which may represent an instance of UE 115 as described with reference to FIGS. 1 and 2).

UE 115 may be configured to monitor one or more (eg, up to five) CORESETs in the CC's BWP. As described with reference to FIG. 2 , a CORESET may include a number (eg, a maximum of 10 search space sets 305 in a CC's BWP) of search space sets 305 . Thus, each set of search spaces 305 may correspond to a single CORESET (eg, and a single corresponding TCI state). Set of search spaces 305 may be RRC configured and may include one or more symbols 315 (e.g., OFDM symbols 315) spanning one or more slots 320 in the time domain and one or more symbols 315 in the frequency domain A collection of time and frequency resources for multiple subchannels. The RRC configuration for each search space set 305 may indicate the associated CORESET, the monitoring occasion 310 within the search space set 305, the type of search space set 305 (e.g., common search space (CSS) or UE-specific search space (USS)), one or more DCI formats for the UE 115 to monitor within the set of search spaces 305, the number of PDCCH candidates for each aggregation level within the set of search spaces 305, or any combination thereof. The resources in search space set 305 may be contiguous or non-contiguous in time and frequency. For example, monitoring occasions 310 within a set of search spaces may be distributed across one or more symbols 315, time slots 320, sub-channels, or any combination thereof.

The monitoring occasions 310 within the set of search spaces 305 may be configured according to the monitoring slot period, offset, and sign 315 within the slots 320 . That is, the UE 115 can identify the location of each monitoring occasion 310 within the set of search spaces 305 based on the RRC configuration for the set of search spaces 305 . Each monitoring occasion 310 may include one or more PDCCH candidates, which may include time and frequency resources for receiving DCI. Each PDCCH candidate may correspond to an aggregation level and may be configured with a candidate index within each search space set 305 . As described with reference to FIG. 2, UE 115 may perform blind decoding of each monitoring occasion 310 and corresponding PDCCH candidates to receive DCI.

In some examples, two or more sets of search spaces 305 can be concatenated for PDCCH repetition. The UE 115 may receive an indication of the set of concatenated search spaces via the RRC configuration. In some examples, the indication of the set of concatenated search spaces may indicate concatenated PDCCH candidates. For example, the UE 115 may identify the concatenated monitoring occasions 310 within the set of search spaces 305 and the concatenated PDCCH candidates within the monitoring occasions 310 according to one or more rules indicated in the RRC configuration. 3A and 3B illustrate example search space set configurations 300-a and 300-b for a concatenated search space set 305 including concatenated PDCCH candidates.

3A illustrates an example search space set configuration 300-a for a first set of search spaces 305-a and a second set of search spaces 305-b. The search space set configuration 300-a illustrates the monitoring occasions 310-a of the first search space set and the monitoring occasions 310-b of the second search space set within the time slot 320-a. The monitoring occasions 310-a and 310-b may include subsets of time and frequency resources within the respective first and second sets of search spaces 305-a and 305-b.

The UE 115 may receive (eg, via RRC signaling) an indication that the first set of search spaces 305-a and the second set of search spaces 305-b are concatenated for PDCCH repetition. UE 115 may decide based on one or more rules that monitoring occasion 310-a and monitoring occasion 310-b are concatenated for PDCCH repetition. For example, a rule may indicate a one-to-one mapping between monitoring occasions 310 of different sets of search spaces 305 .

The UE 115 may determine one or more concatenated PDCCH candidate pairs within the concatenated monitoring occasions 310-a and 310-b according to the aggregation level and candidate index of the corresponding PDCCH candidates. For example, each set of search spaces 305 may be configured to include the same number of PDCCH candidates for each aggregation level. Accordingly, UE 115 may identify a first PDCCH candidate corresponding to the first aggregation level in monitoring occasion 310-a and a second PDCCH candidate also corresponding to the first aggregation level in monitoring occasion 310-b. The UE 115 may decide that the first and second PDCCH candidates are concatenated for PDCCH repetition based on the RRC configuration, the one-to-one mapping between monitoring occasions 310-a and 310-b, and the first aggregation level. In the example of the search space set configuration 300-a, the UE 115 may identify three time intervals between the monitoring occasion 310-a of the first search space set 305-a and the monitoring occasion 310-b of the second search space set 305-b. concatenated PDCCH candidate sets (eg, as indicated by the three arrows between monitoring occasions 310-a and 310-b). DCI may be sent via one or both PDCCH candidates of each concatenated PDCCH candidate pair.

3B illustrates a second example search space set configuration 300-b for a first set of search spaces 305-a and a second set of search spaces 305-b. In the example of search space set configuration 300-b, a first search space set 305-a may include two monitoring occasions 310-d and 310-e in a time slot 320-b, and a second search space set 305-b Two monitoring occasions 310-c and 310-f in the same time slot 320-b may be included.

The UE 115 may receive an indication that the first set of search spaces 305-a and the second set of search spaces 305-b are concatenated for PDCCH repetition, as described with reference to FIG. 3A. UE 115 may recognize a one-to-one mapping between monitoring occasions 310-c and 310-d and a one-to-one mapping between monitoring occasions 310-e and 310-f within time slot 320-b.

The UE 115 may determine one or more concatenated PDCCH candidate pairs within each concatenated monitoring occasion 310 pair according to the aggregation level and candidate index of the corresponding PDCCH candidates, as described with reference to FIG. 3A . For example, the UE 115 may identify three concatenated PDCCH candidate sets between the monitoring occasion 310-d of the first set of search spaces 305-a and the monitoring occasion 310-c of the second search space set 305-b (e.g., as Indicated by three arrows between monitoring opportunities 310-c and 310-d). The UE 115 may identify three concatenated PDCCH candidate sets between the monitoring occasion 310-e of the first set of search spaces 305-a and the monitoring occasion 310-f of the second search space set 305-b (eg, as indicated by the three arrows between 310-e and 310-f). DCI may be sent via one or both PDCCH candidates of each concatenated PDCCH candidate pair.

Accordingly, search space set configurations 300-a and 300-b may show intra-slot PDCCH repetition. In some example search space set configurations 300 that differ from search space set configurations 300-a and 300-b, the first monitoring occasion 310 in the first time slot 320 and the corresponding first PDCCH candidate may be concatenated to the The second monitoring occasion 310 in the second slot 320 and the corresponding second PDCCH candidate (eg, inter-slot PDCCH repetition).

A UE 115 configured with either of the search space set configurations 300-a and 300-b may identify the concatenated search space set 305, the concatenated monitoring occasion 310, and Concatenated PDCCH candidates. UE 115 may or may not perform soft combining to decode DCI received via the concatenated PDCCH candidates. In some examples, the PDCCH order may be sent to UE 115 via the concatenated PDCCH candidates, as described with reference to FIG. 2 .

If UE 115 receives a PDCCH order via a concatenated PDCCH candidate, UE 115 may not know when to send a random access request message after receiving a PDCCH order, or UE 115 may not know which QCL to assume for receiving downlink random access messages, or both.

To reduce the impact of PDCCH repetition on random access procedures, UE 115 as described herein may be configured with a set of rules related to receiving PDCCH orders via concatenated PDCCH candidates. A rule may indicate an isochrone for the transmission of a random access request message, one or more parameters for selecting a TCI state to use as a basis for a QCL assumption for receiving one or more downlink random access messages, or both, which can improve the reliability of the random access procedure. Additionally or alternatively, the rules may indicate that the UE 115 may avoid receiving PDCCH orders via the concatenated PDCCH candidates. Aspects of configured rules are described in further detail elsewhere herein, including with reference to FIGS. 4A and 4B .

4A and 4B illustrate examples of random access isochrones 400-a and 400-b supporting DL-CCH repetition for DL-CCH commands according to aspects of the present disclosure. Random access isochrones 400-a and 400-b may implement some aspects of wireless communication system 100 or 200 or search space set configuration 300-a or 300-b or may be configured by wireless communication system 100 or 200 or search space set Implementations of some aspects of 300-a or 300-b. For example, random access isochrones 400-a and 400-b may be shown for execution by UE 115 and base station 105 (which may represent instances of UE 115 and base station 105 as described with reference to FIGS. 1-3 ). An instance isochrone of a random access program. In some examples, UE 115 may receive a PDCCH order via concatenated PDCCH candidates 405, as described with reference to FIGS. 1-3. UE 115 may perform a random access procedure corresponding to a PDCCH order according to one or more rules related to receiving a PDCCH order via a concatenated PDCCH candidate, as shown by random access isochrones 400-a and 400-b.

4A illustrates a first random access isochrone 400-a supporting DL-CCH repetition for DL-CCH commands according to aspects of the present disclosure. In the example of random access isochrone 400-a, UE 115 may receive an indication via RRC signaling that PDCCH candidates 405-a and 405-b are concatenated for PDCCH repetition. For example, UE 115 may receive RRC signaling indicating two sets of search spaces that are concatenated for PDCCH repetition. In response to receiving the RRC signaling, the UE 115 may identify the linked monitoring occasions within the set of search spaces according to one or more rules indicated via the RRC signaling, and identify the linked PDCCH candidates within the linked monitoring occasions 405 -a and 405-b, as described with reference to Figures 3A and 3B. Additionally or alternatively, the UE 115 may identify the concatenated PDCCH candidate 405 based on a configuration or indication received via other control signaling (eg, DCI, Medium Access Control Element (MAC-CE), or some other control signaling) -a and 405-b. The UE 115 may be configured to monitor the concatenated PDCCH candidates 405-a and 405b for DCI. In some examples, UE 115 may perform soft combining prior to receiving DCI via both concatenated PDCCH candidates 405-a and 405-b. PDCCH candidates 405-a and 405-b may each include a set of PDCCH resources 435 (eg, time and frequency resources allocated for PDCCH). The PDCCH resources 435 of the first PDCCH candidate 405-a may or may not be contiguous in time and frequency with the PDCCH resources 435 of the second PDCCH candidate 405-b. In some instances, PDCCH candidates 405 may be referred to as downlink control channel candidates.

As described herein, the UE 115 may repeat the first PDCCH candidate 405-a concatenated with the first PDCCH candidate 405-a for the PDCCH via the first PDCCH candidate 405-a according to one or more rules related to receiving the PDCCH order via the concatenated PDCCH candidate 405-a. Two PDCCH candidates 405-b, or both (eg, if UE 115 soft-combines PDCCH candidates 405) receive the PDCCH order. One or more rules may be configured (eg, pre-configured) at UE 115 . Additionally or alternatively, UE 115 may receive an indication of one or more rules via control signaling from base station 105 or some other network entity.

In some examples, one or more rules may indicate isochrones for UE 115 to perform random access procedures in response to PDCCH orders received via concatenated PDCCH candidates 405 . Performing a random access procedure may include sending an uplink random access message (e.g., Msg 1). The uplink random access message may be an example of the random access request message 230 described with reference to FIG. 2 .

One or more rules may indicate that the threshold delay period 420-a between the PDCCH order and the PRACH occasion 410-a starts after the last symbol of the reference PDCCH candidate 405 of the concatenated PDCCH candidate 405. That is, reference to PDCCH candidate 405 may trigger threshold delay period 420-a. In some instances, a reference PDCCH candidate 405 may correspond to a PDCCH candidate 405 that ends later in time. 4A, the second PDCCH candidate 405-b may end later in time than the first PDCCH candidate 405-a, and the threshold delay period 420-a may accordingly be after the last symbol of the second PDCCH candidate 405-b start. Accordingly, the second PDCCH candidate 405-b may be referred to as a reference PDCCH candidate 405-b. In some instances, the second PDCCH candidate 405-b may start earlier than the first PDCCH candidate 405-a, but may end later in time. The threshold delay period 420-a may start after the last symbol of the reference PDCCH candidate 405-b (eg, the PDCCH candidate 405 ending later in time), regardless of whether the first PDCCH candidate 405-a or the second PDCCH candidate 405-b starts earlier in time and regardless of whether the PDCCH order was received in the first PDCCH candidate 405-a, the second PDCCH candidate 405-b, or both.

）、用於由UE 115進行的隨機存取準備的第二時間段（例如，

）（例如，對於FR1，延遲時段為0.5ms，對於FR2，延遲時段為0.25ms，或者某個其他延遲時段）、用於BWP切換的第三時間段（例如，

）、用於上行鏈路切換的第四時間段（例如，

）、或其組合。在一些實例中，若沒有BWP切換或上行鏈路切換，則第三及/或第四時間段可以分別為零。 In some examples, threshold delay period 420-a may include a first time period for PUSCH preparation (eg,

), the second time period for random access preparation by UE 115 (eg,

) (for example, a delay period of 0.5ms for FR1, a delay period of 0.25ms for FR2, or some other delay period), a third period for BWP switching (for example,

), the fourth time period for uplink handover (for example,

), or a combination thereof. In some examples, the third and/or fourth time periods may be zero if there is no BWP handover or uplink handover, respectively.

The UE 115 may send an uplink random access message to the base station 105 via the PRACH resource 440 during the identified PRACH occasion 410-a. The PRACH opportunity 410-a may start on or after the threshold delay period 420-a expires. If the PDCCH order triggers CFRA, the UE 115 may decide on the PRACH occasion 410-a (eg, the timing of the PRACH occasion 410-a, such as the start symbol of the PRACH occasion 410-a) based on the indication received via the PDCCH order. For example, the PRACH opportunity 410-a may be indicated via the SSB index field of the PDCCH order, the PRACH mask index field of the PDCCH order, or both, as described with reference to FIG. 2 . If the PDCCH order triggers CBRA, the UE 115 may decide the PRACH occasion 410-a (eg, the timing of the PRACH occasion 410-a, such as the start symbol of the PRACH occasion 410-a) based on the measured SSB.

In some examples, concatenated PDCCH candidates 405-a and 405-b may correspond to the same TCI state. For example, PDCCH candidates 405-a and 405-b may correspond to first and second sets of search spaces, respectively, associated with the same CORESET and corresponding TCI state. Additionally or alternatively, the first and second PDCCH candidates 405-a and 405-b may respectively correspond to first and second sets of search spaces associated with first and second CORESETs, the first and second CORESETs respectively corresponding to in the same TCI state. In such cases, the UE 115 may use the TCI state as the basis for the QCL hypothesis 425-a to be applied to receive one or more downlink random access messages. The TCI state may correspond to the beam used to receive control information via the corresponding PDCCH candidate 405 .

In other examples, the first PDCCH candidate 405-a may be associated with a first TCI state, and the second PDCCH candidate 405-b may be associated with a second TCI state different from the first TCI state (e.g., PDCCH candidate 405 may correspond to different CORESETs associated with different TCI states), and one or more rules may provide instructions for the UE 115 to identify QCL assumptions 425-a to be applied to receive one or more downlink random access messages . The QCL hypothesis 425-a may be associated with at least one of the first TCI state and the second TCI state.

The downlink random access message may include DCI sent via PDCCH candidate 405-c including PDCCH resource 435, a RAR message sent via PDSCH resource 445 during PDSCH occasion 415-a, or both. A DCI (eg, DCI format 1_0) may include a CRC scrambled via a Random Access Radio Network Temporary Identifier (RA-RNTI). The DCI may schedule the PDSCH occasion 415-a for the transmission of the RAR message. A RAR message (eg, a downlink RAR message) may be sent by the base station 105 in response to an uplink random access message.

In the example of the random access isochrone 400-a, one or more rules may instruct the UE 115 to select the first TCI state associated with the first PDCCH candidate 405-a or the second TCI state associated with the second PDCCH candidate 405-a based on one or more parameters. An entry in the second TCI state associated with the PDCCH candidate 405-b serves as the basis for the QCL hypothesis 425-a. In one example, a rule may specify that the selection of the first or second TCI state is based on the relative timing of the first PDCCH candidate 405-a and the second PDCCH candidate 405-b. For example, a rule may specify that the selection of the TCI state is based on which PDCCH candidate 405 starts earlier in time, starts later in time, ends earlier in time, or ends later in time. In one example, if the rules specify that the selection is based on which PDCCH candidate 405 ends later in time, the UE 115 may select the second TCI state associated with the second PDCCH candidate 405-b as the QCL hypothesis 425-a. Base.

In another example, the rule may specify that the selection of the first or second TCI state is based on the first search space set ID corresponding to (eg, including) the first search space set of the first PDCCH candidate 405-a and the corresponding relative to (eg, including) the second search space set ID of the second search space set of the second PDCCH candidate 405-b. A rule may specify that the selection of a TCI state is based on which search space set ID has a higher value or which search space set ID has a lower value. In one example, the value of the first search space set ID may be less than the value of the second search space set ID. If the rule specifies that the selection is based on which search space ID has the lower value, then the UE 115 will select the first TCI state associated with the first PDCCH candidate 405-a as the basis for the QCL hypothesis 425-a.

In another example, the rule may specify that the selection of the first or second TCI state is based on the first CORESET ID and The relative value of the second CORESET ID associated with the second set of search spaces corresponding to (eg, including) the second PDCCH candidate 405-b. A rule may specify that the selection of a TCI state is based on which CORESET ID has a higher value or which CORESET ID has a lower value. In one example, the value of the second CORESET ID may be greater than the value of the first CORESET ID. If the rules specify that the selection is based on which CORESET ID has the larger value, then the UE 115 will select the second TCI state associated with the second PDCCH candidate 405-b as the basis for the QCL hypothesis 425-a.

In another example, a rule may specify that the selection of the first or second TCI state is based on the first TCI state ID associated with the first TCI state of the first PDCCH candidate 405-a and the first TCI state ID associated with the second PDCCH candidate 405-a. b The relative value of the second TCI state ID associated with the second TCI state. A rule may specify that the selection of a TCI state is based on which TCI state ID has a higher value or which TCI state ID has a lower value. In one example, the first value of the first TCI state may be lower than the second value of the second TCI state. If the rule specifies that the selection is based on which TCI state ID has a lower value, then the UE 115 will select the first TCI state associated with the first PDCCH candidate 405-a as the basis for the QCL hypothesis 425-a. Although four example parameters for selecting a TCI state are described, it is to be understood that one or more rules may specify any number of parameters or identifiers for selecting a TCI state to use as the basis for the QCL hypothesis 425-a .

Used for slave and first PDCCH if PDCCH command triggers CFRA on primary cell (PCell), primary secondary cell (PSCell) or both (for example, random access preamble index in PDCCH command is not zero) One or more parameters for selecting a TCI state from the first TCI state associated with the candidate 405-a or the second TCI state associated with the second PDCCH candidate 405-b may apply. Otherwise, the TCI state used to identify the QCL hypothesis 425-a for receiving downlink messages may not depend on one or more TCI states associated with the PDCCH order, and the UE 115 may base the measured SSB or certain Other signaling to identify QCL hypothesis 425-a.

For example, if a PDCCH order triggers CBRA, then the QCL assumption 425-a has an effect on the first TCI state associated with the first PDCCH candidate 405-a, the second TCI state associated with the second PDCCH candidate 405-b, or both. Dependencies may not apply, and the UE 115 may identify the QCL hypothesis 425-a based on the measured SSB associated with the CBRA procedure. If the PDCCH order triggers CBRA on the SCell, the PDCCH order may be received on the SCell, and the DCI, which may have the RA-RNTI and the corresponding RAR message, may be received on the PCell. Therefore, the TCI state associated with receiving a PDCCH order on SCell may not be applicable to receiving DCI, RAR messages or both on PCell.

Thus, in the example of FIG. 4A , UE 115 may be configured with one or more rules for receiving PDCCH orders via concatenated PDCCH candidates 405-a and 405-b and performing random access procedures in response to the PDCCH orders, such as The random access isochrone 400-a is shown. One or more rules may indicate isochrones for performing random access procedures in response to PDCCH orders. Additionally or alternatively, one or more rules may be specified for selecting a TCI state from a first TCI state or a second TCI state associated with the first and second concatenated PDCCH candidates 405-a and 405-b, respectively, to Criteria used as a basis for the QCL assumption 425-a to be applied to receive one or more downlink random access messages.

4B illustrates a second random access isochrone 400-b supporting DL-CCH repetition for DL-CCH commands according to aspects of the present disclosure. The random access isochrone 400-b may be an example of the random access isochrone 400-a described with reference to FIG. 4A. For example, the random access isochrone 400-b may show a PDCCH order for receiving a PDCCH order via at least one of the concatenated PDCCH candidates 405-d and 405-e, sending an uplink random access message, and -b receiving one or more isochrones of downlink random access messages.

The UE 115 may receive an indication that the first PDCCH candidate 405-d and the second PDCCH candidate 405-e are concatenated for PDCCH repetition, and the UE 115 may follow one or more rules related to receiving the PDCCH order via the concatenated PDCCH candidate 405 , to receive a PDCCH order via the first PDCCH candidate 405-d, the second PDCCH candidate 405-e, or both. One or more rules may specify PDCCH candidates 405 that may end later in time (e.g. , starting after the last symbol of the second PDCCH candidate 405-e), as described with reference to Figure 4A.

The first PDCCH candidate 405-d may be associated with a first TCI state, and the second PDCCH candidate 405-e may be associated with a second TCI state different from the first TCI state (e.g., may be in each PDCCH candidate 405- d and 405-e receive PDCCH orders via different beams). UE 115 may identify QCL assumptions 425-b to be applied to receive one or more downlink random access messages according to one or more rules. In the example of random access isochrone 400-b, QCL hypothesis 425-b may correspond to both the first TCI state and the second TCI state according to one or more rules. The UE 115 may select both the first TCI state associated with the first PDCCH candidate 405-d and the second TCI state associated with the second PDCCH candidate 405-e as the TCI state to be applied to the reception of the DCI, to the RAR message Receive or both the basis of QCL Assumption 425-B. For example, if the corresponding downlink random access messages to which the first and second TCI states can be applied are sent via the two PDCCH candidates 405 concatenated for PDCCH repetition, via the multi-TCI state PDSCH, or both, then one or A number of rules may specify that both the first and second TCI states associated with the first and second concatenated PDCCH candidates 405-d and 405-e may be used as the basis for the QCL hypothesis 425-b.

In the random access isochrone 400-b, the DCI with the RA-RNTI may be received via the third PDCCH candidate 405-f, the fourth PDCCH candidate 405-g, or both that are concatenated for PDCCH repetition. The UE 115 may receive an indication that the third PDCCH candidate 405-f and the fourth PDCCH candidate 405-g are concatenated. The UE 115 may accordingly select the first TCI state associated with the first PDCCH candidate 405-d and the second TCI state associated with the second PDCCH candidate 405-e as the TCI state to be applied via the third and fourth PDCCH candidates 405 -f and 405-g receive DCI based on the QCL assumption 425-b.

In some instances, if the RAR message is received via a multi-TCI state PDSCH varying in one or more of space division multiplexing (SDM), FDM, TDM, or single frequency network (e.g., each of the PDSCH DMRS port and each data layer can be associated with first and second TCI states), then one or more rules can specify that the first and second TCI states can be selected as the The basis for QCL assumption 425-b of Cheng's RAR messages. In the example of the random access isochrone 400-b, the RAR may be received via a first PDSCH occasion 415-b comprising a first set of PDSCH resources 445 and a second PDSCH occasion 415-c comprising a second set of PDSCH resources 445 message. That is, in the example of FIG. 4B , the RAR message can be sent via the multi-TCI state PDSCH using TDM. The UE 115 may accordingly select both the first TCI state and the second TCI state as the basis for the QCL hypothesis 425-b, and the UE 115 may apply the QCL hypothesis 425-b to receive the RAR message.

If the PDCCH order triggers CFRA on PCell, PSCell, or both (for example, the random access preamble index in the PDCCH order is not zero), it is used to select the first and second TCI states as the QCL hypothesis 425-b One or more of the underlying rules may apply. Otherwise, the TCI state used to identify the QCL hypothesis 425-b for receiving downlink messages may not depend on one or more TCI states associated with the PDCCH order, and the UE 115 may base the measured SSB or certain Other signaling is used to identify the QCL hypothesis 425-b, as described in further detail with reference to FIG. 4A.

Accordingly, a UE 115 as described herein may be configured with one or more rules for receiving a PDCCH order via two or more concatenated PDCCH candidates and performing random access procedures with the base station 105 corresponding to the PDCCH order. The one or more rules may indicate isochrones for performing random access procedures in response to PDCCH orders received via the concatenated PDCCH candidates, the one or more rules may specify the isochrones to be used in response to the reception of the PDCCH candidates via the concatenation The PDCCH orders to receive QCL assumptions 425 for downlink random access messages, or both, as described with reference to random access isochrones 400-a and 400-b. That is, one or more rules may relate to receiving, processing and responding to PDCCH orders received via concatenated PDCCH candidates.

Additionally or alternatively, one or more rules may specify whether UE 115 may receive PDCCH orders via concatenated PDCCH candidates 405 . For example, one or more rules may specify that a UE 115 may not be expected to receive a PDCCH order via two PDCCH candidates 405 that are concatenated for repetition (eg, a PDCCH order with PDCCH repetition may not be allowed). In such cases, the UE 115 may receive a PDCCH order via a PDCCH candidate 405 that is not concatenated with other PDCCH candidates 405 for PDCCH repetition. Additionally or alternatively, one or more rules may allow PDCCH candidates via two concatenations if the PDCCH candidates correspond to the same TCI state, if the PDCCH order triggers CBRA, if the PDCCH order triggers CFRA on the SCell, or any combination thereof 405 Receive a PDCCH order.

5 illustrates an example of a procedure flow 500 for supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. The program flow 500 may implement or be implemented by some aspects of the wireless communication system 100 or 200 . For example, procedure flow 500 may include UE 115-b and base station 105-b, which may be instances of UE 115 and base station 105 as described with reference to FIGS. 1-4. In some examples, UE 115-b may be configured with one or more rules related to receiving PDCCH orders via concatenated PDCCH candidates.

It should be understood that the devices and nodes described by program flow 500 can communicate with or be coupled with other devices or nodes not shown. For example, UE 115-b and base station 105-b may communicate with one or more other UEs 115, base station 105, or other devices. The following alternative examples may be implemented in which some steps are performed in a different order than described or not performed at all. In some cases, a step may include additional features not mentioned below, or additional steps may be added.

At 505, the base station 105-b can transmit and the UE 115-b can receive an indication of a concatenated downlink control channel candidate. For example, UE 115-b may receive an indication that the first downlink control channel candidate and the second downlink control channel candidate are concatenated for a downlink control channel repetition (eg, PDCCH repetition).

At 510, the base station 105-b can transmit and the UE 115-b can receive a downlink control channel command requesting the UE 115-b to participate in a random access procedure. The downlink control channel command may be sent and received via one or both of the first downlink control channel candidate and the second downlink control channel candidate.

At 515, the UE 115-b and the base station 105-b may perform the associated downlink control channel command according to one or more rules related to receiving the downlink control channel command via the concatenated downlink control channel candidate. associated random access procedure. In some examples, performing the random access procedure at 515 may include sending, by the UE 115-b, an uplink random access message (eg, Msg 1 ) to the base station 105-b according to one or more rules.

6 illustrates an example of a procedure flow 600 for supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. The program flow 600 may implement or be implemented by some aspects of the wireless communication system 100 or 200 . For example, procedure flow 600 may include UE 115-c and base station 105-c, which may be instances of UE 115 and base station 105 as described with reference to FIGS. 1-5. In some examples, UE 115-c may be configured with one or more rules related to receiving PDCCH orders via concatenated PDCCH candidates.

It should be understood that the devices and nodes described by program flow 600 may communicate with or be coupled to other devices or nodes not shown. For example, UE 115-c and base station 105-c may communicate with one or more other UEs 115, base station 105, or other devices. The following alternative examples may be implemented in which some steps are performed in a different order than described or not performed at all. In some cases, a step may include additional features not mentioned below, or additional steps may be added.

At 605, the base station 105-c can send and the UE 115-c can receive a downlink control channel order requesting the UE 115-c to participate in a random access procedure. The downlink control channel command may be received according to one or more rules related to receiving the downlink control channel command via the plurality of downlink control channel candidates repeatedly concatenated for the downlink control channel. In some examples, the UE 115-c may receive the downlink control channel command via the downlink control channel candidate that is not concatenated with other downlink control channel candidates for repetition according to one or more rules. Additionally or alternatively, the UE 115-c may repeat at least one of the concatenated first downlink control channel candidate or the second downlink control channel candidate for the downlink control channel according to one or more rules. item to receive downlink control channel commands.

At 610, the base station 105-c and the UE 115-c may perform a random access procedure based on the downlink control channel order received according to one or more rules. In some examples, performing the random access procedure at 605 may include sending an uplink random access message by the UE 115-c to the base station 105-c.

7 illustrates a block diagram 700 of an apparatus 705 supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. Device 705 may be an example of various aspects of UE 115 as described herein. Device 705 may include a receiver 710 , a transmitter 715 and a communication manager 720 . Device 705 may also include one or more processors, memory coupled to the one or more processors, and instructions stored in the memory that are executable by the one or more processors to cause one or more A processor capable of implementing the downlink control channel repetition feature discussed herein. Each of these components may communicate with each other (eg, via one or more bus bars).

Receiver 710 may provide for receiving information (such as packets, user data, control information, or any combination thereof). Information may be communicated to other components of device 705 . Receiver 710 may utilize a single antenna or a collection of multiple antennas.

Transmitter 715 may provide a means for transmitting signals generated by other components of device 705 . For example, transmitter 715 may transmit information (such as packets, usage or data, control information, or any combination thereof). In some examples, transmitter 715 may be co-located with receiver 710 in a transceiver module. Transmitter 715 may utilize a single antenna or a collection of multiple antennas.

Communication manager 720, receiver 710, transmitter 715, or various combinations thereof, or various components thereof, may be means for performing the various aspects described herein for downlink control channel repetition for downlink control channel commands instance. For example, communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof, may support methods for performing one or more of the functions described herein.

In some examples, communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof may be implemented in hardware (eg, in communication management circuitry). Hardware may include processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays, configured or otherwise supporting units for performing the functions described in this document (FPGA) or other programmable logic devices, individual gate or transistor logic, individual hardware components, or any combination thereof. In some examples, a processor and memory coupled to the processor may be configured to perform one or more of the functions described herein (eg, via execution by the processor of instructions stored in the memory).

Additionally or alternatively, in some examples, communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof may be implemented in code (eg, as communication management software or firmware) executed by a processor. If implemented by code executed by a processor, the functions of the communication manager 720, receiver 710, transmitter 715, or various combinations or components thereof may be implemented by a general-purpose processor, DSP, central processing unit (CPU), ASIC, FPGA, etc. , or any combination of these or other programmable logic devices (eg, configured or otherwise supported as a unit for performing the functions described in this disclosure).

In some examples, communications manager 720 may be configured to use or otherwise coordinate with receiver 710, transmitter 715, or both to perform various operations (e.g., receive, monitor ,send). For example, communication manager 720 may receive information from receiver 710, send information to transmitter 715, or be integrated with receiver 710, transmitter 715, or both to receive information, send information, or perform various other operations as described herein .

According to examples as disclosed herein, the communication manager 720 can support wireless communication at the UE. For example, the communications manager 720 may be configured or otherwise support means for receiving an indication that a first downlink control channel candidate and a second downlink control channel candidate are repeatedly concatenated for a downlink control channel . The communication manager 720 may be configured or otherwise support a request for UE participation in a random access procedure to be received via one or both of the first downlink control channel candidate and the second downlink control channel candidate. Element of the downlink control channel command. The communication manager 720 may be configured or otherwise supported for performing the DL-CCH command-related DL-CCH command in accordance with one or more rules related to the downlink-control-channel command received via the concatenated DL-CCH candidate. A unit of an associated random access program.

Additionally or alternatively, the communication manager 720 may support wireless communication at the UE according to examples as disclosed herein. For example, the communication manager 720 may be configured or otherwise support a unit for receiving a downlink control channel command requesting the UE to participate in a random access procedure, the downlink control channel command is based on the The channel repetition is received by one or more rules related to the concatenated multiple DL-CCH candidates receiving the DL-CCH command. Communication manager 720 may be configured or otherwise support means for performing random access procedures based on the downlink control channel command being received according to one or more rules.

By including or configuring communication manager 720 according to examples as described herein, device 705 (e.g., a processor controlling or otherwise coupled to receiver 710, transmitter 715, communication manager 720, or a combination thereof) may support A technique that reduces processing and uses communication resources more efficiently. For example, by executing the random access procedure according to one or more configuration rules for the device 705, the processor of the device 705 can perform more accurate transmissions and receptions, which can improve the reliability of the random access procedure and thus reduce processing (eg, via reducing the number of retransmissions). In some examples, the processor of device 705 can receive and decode DCI received via concatenated PDCCH candidates, which can improve the reliability of the DCI, provide more efficient use of communication resources, and reduce processing.

8 illustrates a block diagram 800 of an apparatus 805 supporting DL-CCH duplication for DL-CCH commands in accordance with aspects of the subject matter. Device 805 may be an example of aspects of device 705 or UE 115 as described herein. Device 805 may include a receiver 810 , a transmitter 815 and a communication manager 820 . Device 805 may also include a processor. Each of these components may communicate with each other (eg, via one or more bus bars).

Receiver 810 may provide for receiving information (such as packets, user data, control information, or any combination thereof). The information may be communicated to other components of the device 805 . Receiver 810 may utilize a single antenna or a collection of multiple antennas.

Transmitter 815 may provide a means for transmitting signals generated by other components of device 805 . For example, the transmitter 815 may transmit information (such as packets, usage or data, control information, or any combination thereof). In some examples, transmitter 815 may be co-located with receiver 810 in a transceiver module. Transmitter 815 may utilize a single antenna or a collection of multiple antennas.

Apparatus 805, or various components thereof, may be examples of means for performing aspects of downlink control channel repetition for downlink control channel commands as described herein. For example, the communication manager 820 may include a link PDCCH identification component 825, a PDCCH ordering component 830, a random access procedure component 835, or any combination thereof. Communication manager 820 may be an example of aspects of communication manager 720 as described herein. In some examples, communications manager 820, or various components thereof, may be configured to perform various operations using or otherwise coordinating with receiver 810, transmitter 815, or both (e.g., , receive, monitor, send). For example, communication manager 820 may receive information from receiver 810, send information to transmitter 815, or be integrated with receiver 810, transmitter 815, or both to receive information, send information, or perform various other operations as described herein .

According to examples as disclosed herein, the communication manager 820 can support wireless communication at the UE. The concatenated PDCCH identifying component 825 may be configured or otherwise support means for receiving an indication that the first downlink control channel candidate and the second downlink control channel candidate are concatenated for downlink control channel repetition. The PDCCH order component 830 may be configured or otherwise support a request for UE participation in a random access procedure to be received via one or both of the first downlink control channel candidate and the second downlink control channel candidate. Element of the downlink control channel command. The random access program component 835 may be configured or otherwise supported for executing a link to a downlink control channel according to one or more rules related to receiving a downlink control channel command via a concatenated downlink control channel candidate. A unit of random access procedure associated with a command.

Additionally or alternatively, the communication manager 820 may support wireless communication at the UE according to examples as disclosed herein. The PDCCH command component 830 may be configured as or otherwise support a unit for receiving a downlink control channel command requesting the UE to participate in a random access procedure, the downlink control channel command is based on the same as repeated for the downlink control channel The concatenated multiple DL-CCH candidates are received according to one or more rules related to the DL-CCH command. Random access procedure component 835 may be configured or otherwise support means for performing random access procedures based on the downlink control channel command being received according to one or more rules.

In some cases, link PDCCH identification component 825, PDCCH ordering component 830, random access program component 835, or any combination thereof may each be a processor (e.g., a transceiver processor, or a radio processor, or a transmitter processor, or receiver processor) or at least part of a processor. The processor can be coupled to the memory and execute instructions stored in the memory that enable the processor to perform or facilitate the features of the concatenated PDCCH identification component 825, PDCCH command component 830, and random access program component 835 discussed herein. The transceiver processor may be co-located with and/or in communication (eg, to direct its operation) with the device's transceiver. The radio processor may be co-located with and/or in communication (eg, directing its operation) with a radio of the device (eg, NR radio, LTE radio, Wi-Fi radio). The transmitter processor may be co-located with and/or in communication with (eg, directing its operation) the transmitter of the device. The receiver processor may be co-located with and/or communicate with (eg, direct its operation) the receiver of the device.

9 illustrates a block diagram 900 of a communication manager 920 supporting DL-CCH duplication for DL-CCH commands in accordance with aspects of the subject matter. Communications manager 920 may be an example of aspects of communications manager 720, communications manager 820, or both, as described herein. Communications manager 920 or various components thereof may be examples of means for performing aspects of downlink control channel repetition for downlink control channel commands as described herein. For example, the communication manager 920 may include a connection PDCCH identification component 925, a PDCCH order component 930, a random access procedure component 935, an uplink random access message component 940, a QCL assumption component 945, a downlink random access message component 950 , TCI selection component 955 or any combination thereof. Each of these components may communicate with each other directly or indirectly (eg, via one or more bus bars).

According to examples as disclosed herein, the communication manager 920 can support wireless communication at the UE. The concatenated PDCCH identifying component 925 may be configured or otherwise support means for receiving an indication that the first downlink control channel candidate and the second downlink control channel candidate are concatenated for downlink control channel repetition. PDCCH order component 930 may be configured or otherwise support a request for UE participation in a random access procedure to be received via one or both of the first downlink control channel candidate and the second downlink control channel candidate Element of the downlink control channel command. The random access program component 935 may be configured or otherwise supported for executing a link to a downlink control channel according to one or more rules related to receiving a downlink control channel command via a concatenated downlink control channel candidate. A unit of random access procedure associated with a command.

In some instances, to support performing random access procedures, uplink random access messaging component 940 may be configured or otherwise support a decision to send an uplink random access message in response to a downlink control channel command. A unit of random access timing for accessing messages. In some instances, in order to support performing random access procedures, the uplink random access messaging component 940 may be configured or otherwise support the first symbol for the random access opportunity based on the downlink A unit for sending an UL random access message during a random access opportunity after a threshold delay period of the reference downlink control channel candidate trigger for the control channel candidate. In some examples, the reference downlink control channel candidate may be the second downlink control channel candidate because the second downlink control channel candidate ends later in time than the first downlink control channel candidate, and a The or rules may indicate that the threshold delay period starts after the last symbol of the second downlink control channel candidate.

In some examples, performing the random access procedure according to one or more rules is independent of whether the downlink control channel command is received during a first downlink control channel candidate or during a second downlink control channel candidate . In some examples, the threshold delay period includes a first time period for uplink shared channel preparation, a second time period for random access preparation, and a third time period for BWP handover according to UE capabilities , a fourth time period for uplink switching, or a combination thereof. In some instances, to support determining random access occasions, the uplink random access messaging component 940 can be configured or otherwise support SSB based on indication in the downlink control channel order or based on measurements to determine the timing of the random access timing.

In some examples, downlink random access messaging component 950 may be configured or otherwise support means for receiving downlink random access messages in response to uplink random access messages, wherein the downlink random access messages The random access message is a downlink control channel message scheduling the RAR message or a RAR message.

In some examples, to support performing random access procedures, uplink random access messaging component 940 may be configured or otherwise supported for sending uplink random access messages in response to the downlink control channel command. message, wherein the first downlink control channel candidate is associated with a first transmission configuration indicator (TCI) state, and the second downlink control channel candidate is in a state different from the first TCI state associated with the second TCI state. In some examples, to support performing random access procedures, QCL assumption component 945 may be configured or otherwise supported for identifying, based on one or more rules, the A QCL hypothesis unit of the downlink random access message, the QCL hypothesis is associated with at least one of the first TCI state or the second TCI state.

In some examples, to support identifying QCL hypotheses, TCI selection component 955 can be configured or otherwise supported for selecting one of the first TCI state or the second TCI state as the QCL hypothesis according to one or more rules The base element of wherein one or more rules specify that the selection of the first TCI state or the second TCI state is based on the relative timing of the first downlink control channel candidate and the second downlink control channel candidate.

In some examples, to support identifying QCL hypotheses, TCI selection component 955 can be configured or otherwise supported for selecting one of the first TCI state or the second TCI state as the QCL hypothesis according to one or more rules A basic element of wherein one or more rules specify that the selection of the first TCI state or the second TCI state is based on a first set of search spaces of a first set of search spaces corresponding to a first downlink control channel candidate Relative values of the ID and the second search space set ID of the second search space set corresponding to the second downlink control channel candidate.

In some examples, to support identifying QCL hypotheses, TCI selection component 955 can be configured or otherwise supported for selecting one of the first TCI state or the second TCI state as the QCL hypothesis according to one or more rules A basic element of wherein one or more rules specify that the selection of the first TCI state or the second TCI state is based on the first set of search spaces associated with the first downlink control channel candidate corresponding to the first Relative values of the CORESET ID and the second CORESET ID associated with the second set of search spaces corresponding to the second downlink control channel candidate.

In some examples, to support identifying QCL hypotheses, TCI selection component 955 can be configured or otherwise supported for selecting one of the first TCI state or the second TCI state as the QCL hypothesis according to one or more rules An element of the basis wherein one or more rules specify that selection of a first TCI state or a second TCI state is based on a first TCI state ID associated with the first TCI state and a second TCI state associated with the second TCI state The relative value of the TCI state ID.

In some examples, to support identification of QCL hypotheses, TCI selection component 955 can be configured or otherwise supported for selecting both the first TCI state and the second TCI state as the basis for the QCL hypothesis according to one or more rules A unit in which one or more rules specify that the downlink random access message to which the QCL assumption can be applied is the downlink control channel message of the scheduled RAR message, and the downlink control channel message is repeated for the downlink control channel The concatenated third downlink control channel candidate and the fourth downlink control channel candidate are sent.

In some examples, to support identification of QCL hypotheses, TCI selection component 955 can be configured or otherwise supported for selecting both the first TCI state and the second TCI state as the basis for the QCL hypothesis according to one or more rules , where one or more rules specify that the downlink random access messages to which the QCL assumption can be applied are RAR messages in the form of space division multiplexing (SDM), FDM, TDM or single frequency network The multi-TCI state downlink shared channel that changes in at least one mode.

In some instances, the downlink control channel command requests CFRA procedures on PCell or PSCell or both. In some examples, the downlink random access message is a downlink control channel message scheduling a RAR message or a RAR message.

Additionally or alternatively, the communication manager 920 may support wireless communication at the UE according to examples as disclosed herein. In some instances, the PDCCH ordering component 930 may be configured as or otherwise support a unit for receiving a downlink control channel order requesting the UE to participate in a random access procedure, the downlink control channel order is based on the The link control channel repetition is received by one or more rules related to the concatenated plurality of downlink control channel candidates receiving the downlink control channel command. In some examples, random access procedure component 935 may be configured as or otherwise support means for performing a random access procedure based on the downlink control channel command being received according to one or more rules.

In some examples, to support receiving downlink control channel orders according to one or more rules, PDCCH order component 930 may be configured or otherwise support for linking with other downlink control channel candidates via untargeted repetition A unit for receiving downlink control channel commands from downlink control channel candidates.

In some examples, in order to support receiving downlink control channel orders according to one or more rules, PDCCH order component 930 may be configured or otherwise supported for the first downlink to be repeatedly concatenated for the downlink control channel. A unit for receiving a downlink control channel command from at least one of a downlink control channel candidate or a second downlink control channel candidate, wherein the first downlink control channel candidate corresponds to the first A set of search spaces, and the second downlink control channel candidate corresponds to the second set of search spaces associated with the CORESET.

In some examples, in order to support receiving downlink control channel orders according to one or more rules, PDCCH order component 930 may be configured or otherwise supported for the first downlink to be repeatedly concatenated for the downlink control channel. A unit for receiving a downlink control channel command from at least one of a downlink control channel candidate or a second downlink control channel candidate, wherein the first downlink control channel candidate corresponds to the first A first set of search spaces associated with a CORESET, and a second downlink control channel candidate corresponds to a second set of search spaces associated with a second CORESET having a TCI state.

In some instances, the downlink control channel command requests a CFRA procedure on the PCell or the PSCell, or both.

In some cases, linking PDCCH identification component 925, PDCCH order component 930, random access procedure component 935, uplink random access message component 940, QCL assumption component 945, downlink random access message component 950, and TCI selection Components 955 may each be a processor (eg, a transceiver processor, or a radio processor, or a transmitter processor or a receiver processor) or at least a portion of a processor. The processor may be coupled to the memory and execute instructions stored in the memory that enable the processor to perform or facilitate the concatenation PDCCH identification component 925, PDCCH command component 930, random access program component 935, Characteristics of the uplink random access message component 940 , the QCL assumption component 945 , the downlink random access message component 950 and the TCI selection component 955 .

10 illustrates a diagram of a system 1000 including an apparatus 1005 supporting DL-CCH repetition for DL-CCH commands, in accordance with aspects of the subject matter. Device 1005 may be an instance of, or include components of, device 705, device 805, or UE 115 as described herein. Device 1005 may be in wireless communication with one or more base stations 105, UE 105, or any combination thereof. Device 1005 may include components for two-way voice and data communications, including components for sending and receiving communications, such as communications manager 1020, I/O controller 1010, transceiver 1015, antenna 1025, memory 1030, code 1035 and processor 1040. These components may be in electronic communication or otherwise (eg, operatively, communicatively, functionally, electronically, electrically) coupled via one or more bus bars (eg, bus bar 1045 ).

I/O controller 1010 may manage input and output signals to device 1005 . I/O controller 1010 can also manage peripherals not integrated into device 1005 . In some cases, I/O controller 1010 may represent a physical connection or port to an external peripheral. In some cases, I/O controller 1010 may utilize an operating system such as iOS®, ANDROID®, MS-DOS®, MS-WINDOWS®, OS/2®, UNIX®, LINUX®, or another known operating system. Additionally or alternatively, I/O controller 1010 may represent or interact with a modem, keyboard, mouse, touch screen, or similar device. In some cases, I/O controller 1010 may be implemented as part of a processor, such as processor 1040 . In some cases, a user may interact with device 1005 via I/O controller 1010 or via hardware components controlled by I/O controller 1010 .

In some cases, device 1005 may include a single antenna 1025 . In some other cases, however, device 1005 may have more than one antenna 1025 that are capable of sending or receiving multiple wireless transmissions simultaneously. Transceiver 1015 may communicate bi-directionally via one or more antennas 1025, wired or wireless links as described herein. For example, transceiver 1015 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver. Transceiver 1015 may also include a modem for modulating packets, providing the modulated packets to one or more antennas 1025 for transmission, and demodulating packets received from one or more antennas 1025 . Transceiver 1015, or transceiver 1015 and one or more antennas 1025, may be an example of transmitter 715, transmitter 815, receiver 710, receiver 810, or any combination or components thereof, as described herein.

The memory 1030 may include random access memory (RAM) and read only memory (ROM). Memory 1030 may store computer-readable, computer-executable code 1035 comprising instructions that, when executed by processor 1040, cause device 1005 to perform the various functions described herein. Code 1035 may be stored on a non-transitory computer-readable medium, such as system memory or other types of storage. In some cases, the code 1035 may not be directly executable by the processor 1040, but may cause the computer (eg, when compiled and executed) to perform functions described herein. In some cases, in addition, the memory 1030 can also include a basic I/O system (BIOS), which can control basic hardware or software operations, such as interaction with peripheral components or devices.

Processor 1040 may include intelligent hardware devices (e.g., general purpose processors, DSPs, CPUs, microcontrollers, ASICs, FPGAs, programmable logic devices, individual gate or transistor logic components, individual hardware components, or any combination thereof ). In some cases, processor 1040 may be configured to operate a memory array using a memory controller. In some other cases, a memory controller may be integrated into processor 1040 . Processor 1040 may be configured to execute computer-readable instructions stored in memory (e.g., memory 1030) to cause device 1005 to perform various functions (e.g., support downlink control for downlink control channel commands channels duplicate functions or tasks). For example, device 1005 or components of device 1005 may include processor 1040 and memory 1030 coupled to processor 1040 configured to perform the various functions described herein.

According to examples as disclosed herein, the communication manager 1020 can support wireless communication at the UE. For example, the communications manager 1020 may be configured or otherwise support means for receiving an indication that a first downlink control channel candidate and a second downlink control channel candidate are repeatedly concatenated for a downlink control channel . The communication manager 1020 may be configured or otherwise support a request for UE participation in a random access procedure to be received via one or both of the first downlink control channel candidate and the second downlink control channel candidate. Element of the downlink control channel command. The communication manager 1020 may be configured or otherwise supported for performing the DL-CCH command-related operations according to one or more rules related to receiving DL-CCH commands via the concatenated DL-CCH candidates. A unit of an associated random access program.

Additionally or alternatively, the communication manager 1020 may support wireless communication at the UE according to examples as disclosed herein. For example, the communication manager 1020 may be configured or otherwise support a unit for receiving a downlink control channel command requesting the UE to participate in a random access procedure, the downlink control channel command is based on the The channel repetition is received by one or more rules related to the concatenated multiple DL-CCH candidates receiving the DL-CCH command. The communication manager 1020 may be configured or otherwise support means for performing random access procedures based on the downlink control channel command being received according to one or more rules.

By including or configuring communication manager 1020 according to examples as described herein, device 1005 may support techniques for providing communication reliability and improving coordination between devices. For example, device 1005 may be configured with one or more rules related to receiving PDCCH orders via concatenated PDCCH candidates. By receiving the PDCCH order and executing the corresponding random access procedure according to one or more rules, the device 1005 can accurately determine the isochrone for performing the random access procedure, the QCL assumption for the random access procedure, or both, This can improve communication reliability and coordination between devices (eg, between UE 115 and base station 105).

In some examples, communications manager 1020 may be configured to perform various operations (eg, receive, monitor, transmit) using or in coordination with transceiver 1015, one or more antennas 1025, or any combination thereof. Although communication manager 1020 is shown as a separate component, in some instances one or more functions described with reference to communication manager 1020 may be supported or performed by processor 1040, memory 1030, code 1035, or any combination thereof. For example, code 1035 may include instructions executable by processor 1040 to cause device 1005 to perform aspects of DLCC repetition for DLCC commands as described herein, or processor 1040 and memory 1030 May be otherwise configured to perform or support such operations.

11 illustrates a block diagram 1100 of an apparatus 1105 supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. Device 1105 can be an example of various aspects of base station 105 as described herein. Device 1105 may include a receiver 1110 , a transmitter 1115 and a communication manager 1120 . Device 1105 may also include one or more processors, memory coupled to the one or more processors, and instructions stored in the memory that are executable by the one or more processors to cause one or more A processor capable of implementing the downlink control channel repetition feature discussed herein. Each of these components may communicate with each other (eg, via one or more bus bars).

Receiver 1110 may provide for receiving information (such as packets, user data, control information, or any combination thereof). The information may be communicated to other components of the device 1105 . Receiver 1110 may utilize a single antenna or a collection of multiple antennas.

Transmitter 1115 may provide a means for transmitting signals generated by other components of device 1105 . For example, the transmitter 1115 may transmit information (such as packets, usage or data, control information, or any combination thereof). In some examples, transmitter 1115 may be co-located with receiver 1110 in a transceiver module. Transmitter 1115 may utilize a single antenna or a collection of multiple antennas.

Communications manager 1120, receiver 1110, transmitter 1115, or various combinations thereof, or various components thereof, may be means for performing the various aspects described herein for downlink control channel repetition for downlink control channel commands instance. For example, communication manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof, may support methods for performing one or more of the functions described herein.

In some examples, communication manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof may be implemented in hardware (eg, in communication management circuitry). Hardware may include processors, DSPs, ASICs, FPGAs or other programmable logic devices, individual gate or transistor logic, individual hardware components or any combination thereof. In some examples, a processor and memory coupled to the processor may be configured to perform one or more of the functions described herein (eg, via execution by the processor of instructions stored in the memory).

Additionally or alternatively, in some examples, communication manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof may be implemented in code (eg, as communication management software or firmware) executed by a processor. If implemented with code executed by a processor, the functions of the communications manager 1120, receiver 1110, transmitter 1115, or various combinations or components thereof may be implemented by a general-purpose processor, DSP, CPU, ASIC, FPGA, or these or other Any combination of programmable logic devices can be implemented (eg, a unit configured or otherwise supported for performing the functions described in this disclosure).

In some examples, communications manager 1120 may be configured to use or otherwise coordinate with receiver 1110, transmitter 1115, or both to perform various operations (e.g., receive, monitor ,send). For example, communication manager 1120 may receive information from receiver 1110, send information to transmitter 1115, or be integrated with receiver 1110, transmitter 1115, or both to receive information, send information, or perform various other operations as described herein .

According to examples as disclosed herein, the communication manager 1120 can support wireless communication at base stations. For example, the communication manager 1120 may be configured or otherwise supported for sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel unit. The communication manager 1120 may be configured or otherwise supported for sending a request to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate to the UE to participate in random access A unit of the program's downlink control channel command. The communication manager 1120 may be configured or otherwise supported for receiving a downlink control channel from a UE in accordance with one or more rules related to sending a downlink control channel command via a concatenated downlink control channel candidate Commands the associated uplink random access message element.

Additionally or alternatively, the communication manager 1120 may support wireless communication at base stations according to examples as disclosed herein. For example, the communication manager 1120 may be configured as or otherwise support a unit for sending a downlink control channel command to the UE requesting the UE to participate in the random access procedure, the downlink control channel command is based on the The multiple DL control channel candidates that are concatenated are sent by one or more rules related to receiving the DL control channel command. Communication manager 1120 may be configured or otherwise support means for receiving random access messages from UEs based on the DL-CCH command being sent according to one or more rules.

12 illustrates a block diagram 1200 of an apparatus 1205 supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. Device 1205 may be an instance of various aspects of device 1105 or base station 105 as described herein. Device 1205 may include receiver 1210 , transmitter 1215 and communication manager 1220 . Device 1205 may also include a processor. Each of these components may communicate with each other (eg, via one or more bus bars).

Receiver 1210 may provide for receiving information (such as packets, user data, control information, or any combination thereof). The information may be communicated to other components of the device 1205. Receiver 1210 may utilize a single antenna or a collection of multiple antennas.

Transmitter 1215 may provide a means for transmitting signals generated by other components of device 1205 . For example, the transmitter 1215 may transmit information (such as packets, usage or data, control information, or any combination thereof). In some examples, transmitter 1215 may be co-located with receiver 1210 in a transceiver module. Transmitter 1215 may utilize a single antenna or a collection of multiple antennas.

Apparatus 1205, or various components thereof, may be examples of means for performing aspects of downlink control channel repetition for downlink control channel commands as described herein. For example, the communication manager 1220 can include a link PDCCH identifying component 1225, a PDCCH ordering component 1230, an uplink random access messaging component 1235, or any combination thereof. Communication manager 1220 may be an example of aspects of communication manager 1120 as described herein. In some examples, communications manager 1220 or its various components may be configured to use or otherwise coordinate with receiver 1210, transmitter 1215, or both to perform various operations (eg, , receive, monitor, send). For example, communication manager 1220 may receive information from receiver 1210, send information to transmitter 1215, or be integrated with receiver 1210, transmitter 1215, or both to receive information, send information, or perform various other operations as described herein .

According to examples as disclosed herein, the communication manager 1220 can support wireless communication at base stations. The concatenated PDCCH identifying component 1225 may be configured or otherwise support means for sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are concatenated for downlink control channel repetition unit. The PDCCH order component 1230 may be configured or otherwise supported for sending a request to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate to the UE to participate in random access A unit of the program's downlink control channel command. The uplink random access messaging component 1235 may be configured or otherwise supported for receiving from the UE a message related to An element of an UL random access message associated with a DL-CCH command.

Additionally or alternatively, the communication manager 1220 may support wireless communication at base stations according to examples as disclosed herein. The PDCCH command component 1230 may be configured or otherwise supported as a unit for sending a downlink control channel command to the UE requesting the UE to participate in the random access procedure, the downlink control channel command is based on the The channel repetition is sent by concatenating multiple DL-Channel candidates to receive one or more rules related to the DL-Channel command. The uplink random access messaging component 1235 may be configured or otherwise support means for receiving random access messages from the UE based on the downlink control channel command being sent according to one or more rules.

In some cases, link PDCCH identifying component 1225, PDCCH ordering component 1230, uplink random access messaging component 1235, or any combination thereof may each be a processor (e.g., a transceiver processor, or a radio processor, or a transmitter processor, or receiver processor) or be at least part of a processor. The processor can be coupled to the memory and execute instructions stored in the memory that enable the processor to perform or facilitate the concatenation PDCCH identification component 1225, PDCCH command component 1230, and uplink random access messaging component 1235 discussed herein Characteristics. The transceiver processor may be co-located with and/or in communication (eg, to direct its operation) with the device's transceiver. The radio processor may be co-located with and/or in communication (eg, directing its operation) with a radio of the device (eg, NR radio, LTE radio, Wi-Fi radio). The transmitter processor may be co-located with and/or in communication with (eg, directing its operation) the transmitter of the device. The receiver processor may be co-located with and/or communicate with (eg, direct its operation) the receiver of the device.

13 illustrates a block diagram 1300 of a communication manager 1320 supporting DL-CCH duplication for DL-CCH commands in accordance with various aspects of the subject matter. Communication manager 1320 may be an example of aspects of communication manager 1120, communication manager 1220, or both, as described herein. Communication manager 1320 or various components thereof may be examples of means for performing aspects of downlink control channel repetition for downlink control channel commands as described herein. For example, the communication manager 1320 may include a link PDCCH identification component 1325, a PDCCH command component 1330, an uplink random access message component 1335, a QCL assumption component 1340, a downlink random access message component 1345, a TCI state selection component 1350, or any combination thereof. Each of these components may communicate with each other directly or indirectly (eg, via one or more bus bars).

According to examples as disclosed herein, the communication manager 1320 can support wireless communication at base stations. The concatenated PDCCH identifying component 1325 may be configured or otherwise support means for sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are concatenated for downlink control channel repetition unit. The PDCCH order component 1330 may be configured or otherwise supported for sending a request to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate to the UE to participate in random access A unit of the program's downlink control channel command. The uplink random access messaging component 1335 may be configured or otherwise supported for receiving from the UE information related to An element of an UL random access message associated with a DL-CCH command.

In some examples, to support reception of uplink random access messages, uplink random access messaging component 1335 can be configured or otherwise support a first symbol for random access opportunity based The unit of receiving the UL random access message during the random access occasion after the threshold delay period of the DL-CCH candidate reference DL-CCH candidate trigger. In some examples, the reference downlink control channel candidate may be the second downlink control channel candidate because the second downlink control channel candidate ends later in time than the first downlink control channel candidate, and a The or rules may indicate that the threshold delay period starts after the last symbol of the second downlink control channel candidate.

In some examples, receiving the uplink random access message according to one or more rules is independent of whether the DLCC command is during the first DLCC candidate or the second DLCC candidate sent during. In some examples, the threshold delay period includes a first time period for uplink shared channel preparation, a second time period for random access preparation, and a third time period for BWP handover according to UE capabilities , a fourth time period for uplink switching, or a combination thereof.

In some examples, the uplink random access messaging component 1335 can be configured as or otherwise support means for sending an indication of the timing of random access occasions to the UE via a downlink control channel command or SSB.

In some examples, downlink random access messaging component 1345 may be configured as or otherwise support means for sending downlink random access messages in response to uplink random access messages, wherein the downlink random access messages The random access message is a downlink control channel message scheduling the RAR message or a RAR message.

In some examples, QCL assumption component 1340 can be configured or otherwise supported for identifying, based on one or more rules, the A unit of QCL assumption, the QCL assumption is associated with at least one of the following: the first TCI state associated with the first downlink control channel candidate, or the second TCI state associated with the second downlink control channel candidate A second TCI state, wherein the first TCI state is different from the second TCI state.

In some examples, TCI state selection component 1350 may be configured as or otherwise support means for selecting one of the first TCI state or the second TCI state as a basis for a QCL hypothesis according to one or more rules, One or more of the rules specify that selection of the first TCI state or the second TCI state is based on relative timing of the first downlink control channel candidate and the second downlink control channel candidate.

In some examples, TCI state selection component 1350 may be configured as or otherwise support means for selecting one of the first TCI state or the second TCI state as a basis for a QCL hypothesis according to one or more rules, wherein one or more rules specify that the selection of the first TCI state or the second TCI state is based on the first search space set ID of the first search space set corresponding to the first downlink control channel candidate and the second The relative value of the second search space set ID of the second search space set corresponding to the downlink control channel candidate.

In some examples, TCI state selection component 1350 may be configured as or otherwise support means for selecting one of the first TCI state or the second TCI state as a basis for a QCL hypothesis according to one or more rules, wherein the one or more rules specify that the selection of the first TCI state or the second TCI state is based on the first CORESET ID associated with the first search space set corresponding to the first downlink control channel candidate and the same The relative value of the second CORESET ID associated with the second search space set corresponding to the second downlink control channel candidate.

In some examples, TCI state selection component 1350 may be configured as or otherwise support means for selecting one of the first TCI state or the second TCI state as a basis for a QCL hypothesis according to one or more rules, wherein the one or more rules specify that the selection of the first TCI state or the second TCI state is based on the relative relationship between the first TCI state ID associated with the first TCI state and the second TCI state ID associated with the second TCI state worth it.

In some examples, to support identifying QCL hypotheses, TCI state selection component 1350 can be configured or otherwise support selection of both the first TCI state and the second TCI state as QCL hypotheses according to one or more rules A basic unit in which one or more rules specify that the downlink random access message to which the QCL assumption can be applied is a downlink control channel message of a scheduled RAR message, and the downlink control channel message is passed to the downlink control channel for the downlink control channel The concatenated third and fourth downlink control channel candidates are repeated for transmission.

In some examples, to support identifying QCL hypotheses, TCI state selection component 1350 can be configured or otherwise support selection of both the first TCI state and the second TCI state as QCL hypotheses according to one or more rules A basic unit in which one or more rules specify that the downlink random access messages to which the QCL assumptions can be applied are RAR messages in the form of space division multiplexing (SDM), FDM, TDM or single frequency network The multi-TCI state of the downlink shared channel is changed in at least one manner.

In some instances, the downlink control channel command requests CFRA procedures on PCell or PSCell or both. In some examples, the downlink random access message is a downlink control channel message scheduling a RAR message or a RAR message.

Additionally or alternatively, the communication manager 1320 may support wireless communication at base stations according to examples as disclosed herein. In some examples, the PDCCH command component 1330 may be configured as or otherwise support a unit for sending a downlink control channel command to the UE requesting the UE to participate in the random access procedure, the downlink control channel command is based on the For the downlink control channel, one or more rules related to the concatenated multiple downlink control channel candidates receiving the downlink control channel command are sent. In some examples, uplink random access messaging component 1335 may be configured or otherwise supported for receiving random access messages from UEs based on the downlink control channel command being sent according to one or more rules unit.

In some instances, to support sending downlink control channel orders according to one or more rules, PDCCH order component 1330 can be configured or otherwise support for linking with other downlink control channel candidates via untargeted repetition Downlink Control Channel Candidates to send units for downlink control channel commands.

In some examples, in order to support sending downlink control channel orders according to one or more rules, PDCCH order component 1330 can be configured or otherwise supported for the first downlink control channel to be repeatedly concatenated for the downlink control channel. A unit for sending a downlink control channel command by at least one of a downlink control channel candidate or a second downlink control channel candidate, wherein the first downlink control channel candidate corresponds to the first A set of search spaces, and the second downlink control channel candidate corresponds to the second set of search spaces associated with the CORESET.

In some examples, in order to support sending downlink control channel orders according to one or more rules, PDCCH order component 1330 can be configured or otherwise supported for the first downlink control channel to be repeatedly concatenated for the downlink control channel. A unit for sending a downlink control channel command to at least one of a downlink control channel candidate or a second downlink control channel candidate, wherein the first downlink control channel candidate corresponds to the first A first set of search spaces associated with a CORESET, and a second downlink control channel candidate corresponds to a second set of search spaces associated with a second CORESET having a TCI state.

In some instances, the downlink control channel command requests a CFRA procedure on the PCell or the PSCell, or both.

In some cases, linking PDCCH identifying component 1325, PDCCH ordering component 1330, uplink random access messaging component 1335, QCL assumption component 1340, downlink random access messaging component 1345, and TCI state selecting component 1350 may each be processing A processor (eg, a transceiver processor, or a radio processor, or a transmitter processor or a receiver processor) or at least part of a processor. The processor can be coupled to the memory and execute instructions stored in the memory that enable the processor to perform or facilitate the link PDCCH identification component 1325, PDCCH command component 1330, uplink random access message discussed herein Features of component 1335 , QCL assumption component 1340 , downlink random access message component 1345 and TCI state selection component 1350 .

14 illustrates a diagram of a system 1400 including an apparatus 1405 supporting DL-CCH repetition for DL-CCH commands, in accordance with aspects of the subject matter. Device 1405 may be an instance of, or include components of, device 1105, device 1205, or base station 105 as described herein. Device 1405 may be in wireless communication with one or more base stations 105, UE 145, or any combination thereof. Device 1405 may include components for two-way voice and data communications, including components for sending and receiving communications, such as communications manager 1420, network communications manager 1410, transceiver 1415, antenna 1425, memory 1430, code 1435 , processor 1440 and inter-station communication manager 1445. These components may be in electronic communication or otherwise (eg, operatively, communicatively, functionally, electronically, electrically) coupled via one or more bus bars (eg, bus bar 1450 ).

Network communication manager 1410 may manage communication with core network 130 (eg, via one or more wired backhaul links). For example, the network communication manager 1410 may manage the transmission of data communications for client devices (eg, one or more UEs 115).

In some cases, device 1405 may include a single antenna 1425 . In some other cases, however, device 1405 may have more than one antenna 1425 that are capable of sending or receiving multiple wireless transmissions simultaneously. The transceiver 1415 may communicate bi-directionally via one or more antennas 1425, wired or wireless links as described herein. For example, transceiver 1415 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver. Transceiver 1415 may also include a modem for modulating packets, providing modulated packets to one or more antennas 1425 for transmission, and demodulating packets received from one or more antennas 1425 . Transceiver 1415, or transceiver 1415 and one or more antennas 1425, may be an example of transmitter 915, transmitter 1015, receiver 910, receiver 1010, or any combination or components thereof, as described herein.

The memory 1430 may include RAM and ROM. Memory 1430 may store computer-readable, computer-executable code 1435 comprising instructions that, when executed by processor 1440, cause device 1405 to perform the various functions described herein. Code 1435 may be stored on a non-transitory computer readable medium such as system memory or other types of storage. In some cases, code 1435 may not be directly executable by processor 1440, but may cause a computer (eg, when compiled and executed) to perform functions described herein. In some cases, among other things, the memory 1430 can also contain a BIOS, which can control basic hardware or software operations, such as interaction with peripheral components or devices.

Processor 1440 may include intelligent hardware devices (e.g., general purpose processors, DSPs, CPUs, microcontrollers, ASICs, FPGAs, programmable logic devices, individual gate or transistor logic components, individual hardware components, or any combination thereof ). In some cases, processor 1440 may be configured to use a memory controller to operate a memory array. In some other cases, a memory controller may be integrated into processor 1440 . Processor 1440 may be configured to execute computer-readable instructions stored in memory (e.g., memory 1430) to cause device 1405 to perform various functions (e.g., support downlink control for downlink control channel commands channels duplicate functions or tasks). For example, device 1405 or components of device 1405 may include processor 1440 and memory 1430 coupled to processor 1440 configured to perform the various functions described herein.

The inter-station communication manager 1445 may manage communications with other base stations 105 and may include a controller or scheduler for controlling communications with UE 115 in coordination with other base stations 105 . For example, inter-site communication manager 1445 may coordinate the scheduling of transmissions to UE 115 to implement various interference mitigation techniques such as beamforming or joint transmissions. In some examples, the inter-station communication manager 1445 can provide an X2 interface in LTE/LTE-A wireless communication network technology to provide communication between base stations 105 .

According to examples as disclosed herein, the communication manager 1420 can support wireless communication at base stations. For example, the communication manager 1420 may be configured or otherwise supported for sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel unit. The communication manager 1420 may be configured or otherwise supported for sending a request to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate to the UE to participate in random access A unit of the program's downlink control channel command. The communication manager 1420 may be configured or otherwise supported for receiving a downlink control channel from a UE according to one or more rules related to sending a downlink control channel command via a concatenated downlink control channel candidate Commands the associated uplink random access message element.

Additionally or alternatively, the communication manager 1420 may support wireless communication at base stations according to examples as disclosed herein. For example, the communication manager 1420 may be configured as or otherwise support a unit for sending a downlink control channel command to the UE requesting the UE to participate in the random access procedure, the downlink control channel command is based on the The multiple DL control channel candidates that are concatenated are sent by one or more rules related to receiving the DL control channel command. Communication manager 1420 may be configured or otherwise support means for receiving random access messages from UEs based on the DL-CCH command being sent according to one or more rules.

In some examples, communications manager 1420 may be configured to perform various operations (eg, receive, monitor, transmit) using or in coordination with transceiver 1415, one or more antennas 1425, or any combination thereof. Although communication manager 1420 is shown as a separate component, in some instances one or more functions described with reference to communication manager 1420 may be supported or performed by processor 1440, memory 1430, code 1435, or any combination thereof. For example, code 1435 may include instructions executable by processor 1440 to cause device 1405 to perform aspects of downlink control channel repetition as described herein for a downlink control channel command, or processor 1440 and memory 1430 May be otherwise configured to perform or support such operations.

15 illustrates a flowchart of a method 1500 of supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. The operations of method 1500 may be implemented by a UE or components thereof as described herein, for example, the operations of method 1500 may be performed by UE 115 as described with reference to FIGS. 1-10 . In some instances, a UE may execute a set of instructions to control functional units of the UE to perform the described functions. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the described functions.

At 1505, the method may include receiving an indication that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel. The operation of 1505 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1505 may be performed by concatenated PDCCH identification component 925 as described with reference to FIG. 9 .

At 1510, the method may include receiving a downlink control channel command requesting the UE to participate in a random access procedure via one or both of the first downlink control channel candidate and the second downlink control channel candidate . The operations of 1510 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1510 can be performed by PDCCH ordering component 930 as described with reference to FIG. 9 .

At 1515, the method may include performing a random access procedure associated with the downlink control channel command according to one or more rules related to receiving the downlink control channel command via the concatenated downlink control channel candidate . The operation of 1515 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1515 may be performed by random access program component 935 as described with reference to FIG. 9 .

16 illustrates a flowchart of a method 1600 of supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. The operations of method 1600 may be implemented by a base station or components thereof as described herein, for example, the operations of method 1600 may be performed by base station 105 as described with reference to FIGS. 1-6 and 11-14. In some instances, a base station may execute a set of instructions to control functional units of the base station to perform the described functions. Additionally or alternatively, the base station may use dedicated hardware to perform various aspects of the described functions.

At 1605, the method may include sending an indication to the UE that the first downlink control channel candidate and the second downlink control channel candidate are repeatedly concatenated for the downlink control channel. The operation of 1605 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1605 may be performed by concatenated PDCCH identification component 1325 as described with reference to FIG. 13 .

At 1610, the method may include: sending a downlink control channel requesting the UE to participate in a random access procedure to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate. channel command. The operations of 1610 may be performed according to examples as disclosed herein. In some examples, aspects of the operations of 1610 may be performed by PDCCH ordering component 1330 as described with reference to FIG. 13 .

At 1615, the method may include receiving, from the UE, an uplink control channel associated with the downlink control channel command according to one or more rules related to sending the downlink control channel command via the concatenated downlink control channel candidate. way random access messages. The operation of 1615 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1615 may be performed by uplink random access message component 1335 as described with reference to FIG. 13 .

17 illustrates a flowchart of a method 1700 of supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. The operations of method 1700 may be implemented by a UE or components thereof as described herein, for example, the operations of method 1700 may be performed by UE 115 as described with reference to FIGS. 1-10 . In some instances, a UE may execute a set of instructions to control functional units of the UE to perform the described functions. Additionally or alternatively, the UE may use dedicated hardware to perform aspects of the described functions.

At 1705, the method may include: receiving a downlink control channel command requesting the UE to participate in a random access procedure, the downlink control channel command being based on multiple downlink The control channel candidates are received according to one or more rules related to the downlink control channel command. The operation of 1705 may be performed according to examples as disclosed herein. In some instances, aspects of the operation of 1705 can be performed by PDCCH ordering component 930 as described with reference to FIG. 9 .

At 1710, the method may include performing a random access procedure based on the downlink control channel command being received according to one or more rules. The operation of 1710 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1710 may be performed by random access program component 935 as described with reference to FIG. 9 .

18 illustrates a flowchart of a method 1800 of supporting DL-CCH repetition for DL-CCH commands in accordance with aspects of the subject matter. The operations of method 1800 may be implemented by a base station or components thereof as described herein, for example, the operations of method 1800 may be performed by base station 105 as described with reference to FIGS. 1-6 and 11-14. In some instances, a base station may execute a set of instructions to control functional units of the base station to perform the described functions. Additionally or alternatively, the base station may use dedicated hardware to perform various aspects of the described functions.

At 1805, the method may include: sending to the UE a downlink control channel command requesting the UE to participate in the random access procedure, the downlink control channel command is based on multiple downlink The link control channel candidate receives the downlink control channel command related to one or more rules to send. The operation of 1805 may be performed according to examples as disclosed herein. In some instances, aspects of the operations of 1805 may be performed by PDCCH ordering component 1330 as described with reference to FIG. 13 .

At 1810, the method may include receiving a random access message from the UE based on the downlink control channel order being sent according to one or more rules. The operations of 1810 may be performed according to examples as disclosed herein. In some examples, aspects of the operation of 1810 may be performed by uplink random access messaging component 1335 as described with reference to FIG. 13 .

The following provides a summary of the various aspects of the content of the case:

Aspect 1: A method for wireless communication at a user equipment (UE), comprising: receiving information about a first downlink control channel candidate and a second downlink control channel candidate repeated for the downlink control channel an indication of connection; receiving a downlink control channel command requesting the UE to participate in a random access procedure via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and The random access procedure associated with the DL-CCH command is performed according to one or more rules related to receiving the DL-CCH command via a concatenated DL-CCH candidate.

Aspect 2: The method according to Aspect 1, wherein performing the random access procedure also includes: determining a random access opportunity for sending an uplink random access message in response to the downlink control channel command; and at least transmitting the uplink during the random access opportunity based in part on the first symbol of the random access opportunity being after a threshold delay period triggered by a reference DL control channel candidate of the concatenated DL control channel candidate Link random access messages.

Aspect 3: The method of Aspect 2, wherein the reference DLCC candidate is the second DLCC candidate because the second DLCC candidate ends later in time than the first DLCC candidate Two DL-CCH candidates, and wherein the one or more rules indicate that the threshold delay period starts after the last symbol of the second DL-CCH candidate.

Aspect 4: The method of any one of aspects 2 to 3, wherein performing the random access procedure according to the one or more rules is independent of the downlink control channel command being in the first downlink The link control channel candidate period is also received during the second downlink control channel candidate period.

Aspect 5: The method according to any one of aspects 2 to 4, wherein the threshold delay period includes a first time period for uplink shared channel preparation according to the capabilities of the UE, for random access Take the second time period for preparation, the third time period for bandwidth part switching, the fourth time period for uplink switching, or a combination thereof.

Aspect 6: The method according to any one of aspects 2 to 5, wherein determining the random access occasion comprises: based at least in part on an indication in the downlink control channel command or at least in part on a measured The SSB determines the timing of the random access opportunity.

Aspect 7: The method according to any one of aspects 1 to 6, wherein performing the random access procedure also includes: sending an uplink random access message in response to the downlink control channel command, wherein the The first downlink control channel candidate is associated with a first TCI state, and the second downlink control channel candidate is associated with a second TCI state different from the first TCI state; and according to the one or more rules to identify QCL hypotheses to be applied to receiving downlink random access messages in response to the uplink random access messages, the QCL hypotheses being consistent with those in the first TCI state or the second TCI state At least one item is associated.

Aspect 8: The method of Aspect 7, wherein identifying the QCL hypothesis comprises: selecting one of the first TCI state or the second TCI state as a basis for the QCL hypothesis according to the one or more rules, wherein The one or more rules specify that selection of the first TCI state or the second TCI state is based at least in part on the relative timing of the first downlink control channel candidate and the second downlink control channel candidate .

Aspect 9: The method of Aspect 7, wherein identifying the QCL hypothesis comprises: selecting one of the first TCI state or the second TCI state as a basis for the QCL hypothesis according to the one or more rules, wherein The one or more rules specify that selection of the first TCI state or the second TCI state is based at least in part on a first search space of a first set of search spaces corresponding to the first downlink control channel candidate Relative values of the set ID and the second search space set ID of the second search space set corresponding to the second downlink control channel candidate.

Aspect 10: The method of Aspect 7, wherein identifying the QCL hypothesis comprises: selecting one of the first TCI state or the second TCI state as a basis for the QCL hypothesis according to the one or more rules, wherein The one or more rules specify that selection of the first TCI state or the second TCI state is based at least in part on a first set of search spaces associated with the first downlink control channel candidate. A relative value of a CORESET ID and a second CORESET ID associated with a second set of search spaces corresponding to the second downlink control channel candidate.

Aspect 11: The method of Aspect 7, wherein identifying the QCL hypothesis comprises: selecting one of the first TCI state or the second TCI state as a basis for the QCL hypothesis according to the one or more rules, wherein The one or more rules specify that selection of the first TCI state or the second TCI state is based at least in part on a first TCI state ID associated with the first TCI state and a TCI state ID associated with the second TCI state The relative value of the second TCI state ID.

Aspect 12: The method of Aspect 7, wherein identifying the QCL hypothesis comprises: selecting both the first TCI state and the second TCI state as a basis for the QCL hypothesis according to the one or more rules, wherein the one or rules specifying that the downlink random access message to which the QCL is applied assumes that it is a downlink control channel message of a scheduled random access response (RAR) message via The control channel is repeatedly transmitted by the concatenated third and fourth downlink control channel candidates.

Aspect 13: The method of any one of aspects 7 and 12, wherein identifying the QCL hypothesis comprises selecting both the first TCI state and the second TCI state as the basis of a QCL assumption, wherein the one or more rules specify that the downlink random access message to which the QCL assumption is applied is a RAR message, the RAR message is in at least one of SDM, FDM, TDM or single frequency network The multi-TCI state downlink shared channel with changing modes.

Aspect 14: The method of any of Aspects 7 to 13, wherein the downlink control channel command requests a CFRA procedure on the PCell or the PSCell or both.

Aspect 15: The method according to any one of aspects 7 to 14, wherein the downlink random access message is a downlink control channel message scheduling a RAR message or the RAR message.

Aspect 16: A method for wireless communication at a base station, comprising: sending to a UE information about a first downlink control channel candidate and a second downlink control channel candidate being repeatedly concatenated for the downlink control channel Indicating; sending a downlink control channel command requesting the UE to participate in a random access procedure to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and receiving an uplink random access message associated with the downlink control channel command from the UE according to one or more rules related to sending the downlink control channel command via the concatenated downlink control channel candidate .

Aspect 17: The method of Aspect 16, wherein receiving the uplink random access message further comprises: based at least in part on a reference downlink of a downlink control channel candidate of the link based at least in part on the first symbol of the random access opportunity The uplink random access message is received during the random access occasion after a threshold delay period of the link control channel candidate trigger.

Aspect 18: The method of Aspect 17, wherein since the second DLCC candidate ends later in time than the first DLCC candidate, the reference DLCC candidate is the first DLCC candidate Two DL-CCH candidates, and wherein the one or more rules indicate that the threshold delay period starts after the last symbol of the second DL-CCH candidate.

Aspect 19: The method of any one of aspects 17 to 18, wherein receiving the uplink random access message according to the one or more rules independently of the downlink control channel command is at the first The first downlink control channel candidate period is also sent during the second downlink control channel candidate period.

Aspect 20: The method according to any one of aspects 17 to 19, further comprising: sending an indication of the timing of the random access opportunity to the UE via the DL-CCH command or SSB.

Aspect 21: The method of any one of aspects 16 to 20, further comprising: identifying, according to the one or more rules, the a QCL hypothesis for the access message, the QCL hypothesis being associated with at least one of: the first TCI state associated with the first downlink control channel candidate, or the second downlink control channel candidate A second TCI state associated with the channel candidate, wherein the first TCI state is different from the second TCI state.

Aspect 22: The method of Aspect 21, wherein identifying the QCL hypothesis comprises: selecting both the first TCI state and the second TCI state as a basis for the QCL hypothesis according to the one or more rules, wherein the one or rules specifying that the downlink random access message applying the QCL assumption is a downlink control channel message of a scheduled RAR message, the downlink control channel message being repeatedly concatenated for the downlink control channel The third downlink control channel candidate and the fourth downlink control channel candidate are sent.

Aspect 23: The method of any of aspects 21 to 22, wherein identifying the QCL hypothesis comprises selecting both the first TCI state and the second TCI state as the basis of a QCL assumption, wherein the one or more rules specify that the downlink random access message to which the QCL assumption is applied is a RAR message, the RAR message is in at least one of SDM, FDM, TDM or single frequency network The multi-TCI state downlink shared channel with changing modes.

Aspect 24: A method for wireless communication at a UE, comprising: receiving a downlink control channel command requesting the UE to participate in a random access procedure, the downlink control channel command being based on the The channel repetition is received by concatenating multiple downlink control channel candidates according to one or more rules related to receiving a downlink control channel command; and based at least in part on the downlink control channel command being based on the one or more Rules received to perform the random access procedure.

Aspect 25: The method of Aspect 24, wherein receiving the DL-CCH command according to the one or more rules comprises: via a DL-CCH candidate that is not concatenated with other DL-CCH candidates for repetition The downlink control channel command is received.

Aspect 26: The method of Aspect 24, wherein receiving the DLCC command according to the one or more rules comprises: via the first DLCC candidate repeatedly concatenated for the DLCC or At least one of the second downlink control channel candidates to receive the downlink control channel command, wherein the first downlink control channel candidate corresponds to the first set of search spaces associated with the CORESET, and the first downlink control channel candidate corresponds to the first set of search spaces associated with the CORESET, and the second The two DL-CCH candidates correspond to the second set of search spaces associated with the CORESET.

Aspect 27: The method of Aspect 24, wherein receiving the DLCC command according to the one or more rules comprises: via the first DLCC candidate repeatedly concatenated for the DLCC or At least one of the second downlink control channel candidates to receive the downlink control channel command, wherein the first downlink control channel candidate corresponds to the first search associated with the first CORESET having the TCI state space set, and the second downlink control channel candidate corresponds to a second search space set associated with a second CORESET having the TCI state.

Aspect 28: The method of any one of aspects 24 to 27, wherein the DL-CCH command requests a CFRA procedure on the PCell or the PSCell, or both.

Aspect 29: A method for wireless communication at a base station, comprising: sending a downlink control channel command to a UE requesting the UE to participate in a random access procedure, the downlink control channel command is based on the The link control channel is repeatedly sent by the concatenated plurality of downlink control channel candidates according to one or more rules related to receiving a downlink control channel command; and based at least in part on the downlink control channel command being based on the one or multiple rules sent to receive random access messages from the UE.

Aspect 30: The method of aspect 29, wherein sending the DL-CCH command according to the one or more rules comprises: sending via DL-CCH candidates that are not linked with other DL-CCH candidates for repetition Send the downlink control channel command.

Aspect 31: The method of Aspect 29, wherein sending the DLCC command according to the one or more rules comprises: via the first DLCC candidate that is concatenated repeatedly for the DLCC or At least one of the second downlink control channel candidates to send the downlink control channel command, wherein the first downlink control channel candidate corresponds to the first search space set associated with the CORESET, and the first downlink control channel candidate corresponds to the first set of search spaces associated with the CORESET, and the second The two DL-CCH candidates correspond to the second set of search spaces associated with the CORESET.

Aspect 32: The method of Aspect 29, wherein sending the DLCC command according to the one or more rules comprises: via the first DLCC candidate that is concatenated repeatedly for the DLCC or At least one of the second downlink control channel candidates to send the downlink control channel command, wherein the first downlink control channel candidate corresponds to the first search associated with the first CORESET having the TCI state space set, and the second downlink control channel candidate corresponds to a second search space set associated with a second CORESET having the TCI state.

Aspect 33: An apparatus for wireless communication at a UE, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor such that the apparatus The method according to any one of aspects 1 to 15 is performed.

Aspect 34: An apparatus for wireless communication at a UE, comprising at least one unit for performing the method according to any one of aspects 1-15.

Aspect 35: A non-transitory computer-readable medium storing code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 1-15 .

Aspect 36: A device for wireless communication at a base station, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor so that the The device executes the method according to any one of aspects 16-23.

Aspect 37: An apparatus for wireless communication at a base station, comprising at least one unit for performing the method according to any one of aspects 16-23.

Aspect 38: A non-transitory computer readable medium storing code for wireless communication at a base station, the code comprising code executable by a processor to perform the method of any one of aspects 16-23 instruction.

Aspect 39: An apparatus for wireless communication at a UE, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor such that the apparatus The method according to any one of aspects 24-28 is performed.

Aspect 40: An apparatus for wireless communication at a UE, comprising at least one means for performing the method of any one of aspects 24-28.

Aspect 41: A non-transitory computer-readable medium storing code for wireless communication at a UE, the code comprising instructions executable by a processor to perform the method of any one of aspects 24-28 .

Aspect 42: An apparatus for wireless communication at a base station, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the The device executes the method according to any one of aspects 29-32.

Aspect 43: An apparatus for wireless communication at a base station, comprising at least one unit for performing the method according to any one of aspects 29-32.

Aspect 44: A non-transitory computer readable medium storing code for wireless communication at a base station, the code comprising code executable by a processor to perform the method of any one of aspects 29-32 instruction.

It should be noted that the methods described herein describe possible implementations and that the operations and steps may be rearranged or otherwise modified and other implementations are possible. Furthermore, aspects from two or more approaches may be combined.

Although aspects of LTE, LTE-A, LTE-A Pro or NR systems may be described for purposes of example, and may be used in much of the description, LTE, LTE-A, LTE-A Pro or NR terminology, but the techniques described in this article apply outside of LTE, LTE-A, LTE-A Pro, or NR networks. For example, the described techniques can be applied to various other wireless communication systems such as Ultra Mobile Broadband (UMB), Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash- OFDM, and other systems and radio technologies not explicitly mentioned in this document.

The information and signals described herein may be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits, symbols, and chips that may be referred to throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.

Combinations may be implemented or performed using a general purpose processor, DSP, ASIC, CPU, FPGA or other programmable logic device, individual gate or transistor logic, individual hardware components, or any combination thereof designed to perform the functions described herein. The disclosure herein describes various illustrative blocks and components. A general-purpose processor may be a microprocessor, but in the alternative, a processor may be any processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices (eg, a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in combination with a DSP core, or any other such configuration).

The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope of this disclosure and the appended claims. For example, due to the nature of software, functions described herein can be implemented using software executed by a processor, hardware, firmware, hardwiring or combinations of any of these. Features implementing functions may also be physically located at various locations, including being distributed such that parts of functions are implemented at different physical locations.

Computer-readable media includes both non-transitory computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. Non-transitory storage media can be any available media that can be accessed by a general purpose or special purpose computer. By way of example and not limitation, non-transitory computer-readable media may include RAM, ROM, Electronically Erasable Programmable ROM (EEPROM), flash memory, compact disc (CD) ROM or other optical disc storage, Disk storage or other magnetic storage device, or any other non-transitory device that can be used to carry or store desired units of program code in the form of instructions or data structures and that can be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor media. Also, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial Electrical cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included within the definition of computer-readable media. Disk and disc, as used herein, includes CD, laser disc, optical disc, digital versatile disc (DVD), floppy disk and blu-ray disc, where disks usually reproduce data magnetically and discs use lasers to reproduce data optically . Combinations of the above should also be included within the scope of computer-readable media.

As used herein (including in a request), as used in a list of items (e.g., a list of items ending with a phrase such as "at least one of" or "one or more of") "Or" indicates an inclusive list such that a list such as at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (ie, A and B and C). Furthermore, as used herein, the phrase "based on" should not be construed as a reference to a closed set of conditions. For example, an example step described as "based on condition A" may be based on both condition A and condition B without departing from the scope of the present disclosure. In other words, the phrase "based on," as used herein, should be interpreted in the same manner as the phrase "based at least in part on."

The term "determine" or "determining" includes a wide variety of actions, and thus, "determining" may include calculating, computing, processing, deriving, studying, viewing (for example, in a table, database, or another Inspect in the data structure), find out, etc. In addition, "determining" may include receiving (eg, receiving information), accessing (eg, accessing data in memory), and the like. Additionally, "determining" may include resolving, selecting, selecting, establishing, and other such similar actions.

In the drawings, similar components or features may have the same reference number. Additionally, various components of the same type can be distinguished via following the element number by a dash and a second indicia that distinguishes between like components. If only the first element number is used in the specification, the description applies to any one of similar parts having the same first element number, regardless of the second element number or other subsequent element numbers.

The description set forth herein in conjunction with the accompanying drawings describes example configurations, and does not represent all examples that may be implemented or within the scope of the claims. The term "example" as used herein means "serving as an example, instance or illustration", not "preferred" or "advantageous over other examples". The detailed description includes specific details for the purpose of providing an understanding of the described technology. However, the techniques may be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the concepts of the described examples.

The description herein is provided to enable one having ordinary skill in the art to make or use the disclosure. Various modifications to this disclosure will be readily apparent to those skilled in the art to which this invention pertains, and the general principles defined herein may be applied to other variations without departing from the scope of this disclosure. Thus, the subject matter is not limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

100: Wireless communication system 105: base station 105-a: base station 105-b: base station 105-c: base station 110:Geographic coverage area 110-a: Geographic coverage area 115:UE 115-a:UE 115-b:UE 115-c:UE 120:Reload link 125: Communication link 130: core network 135: D2D communication link 140: Access network entities 145: Access to network transport entities 150: IP service 200: Wireless communication system 205: uplink communication link 210: downlink communication link 225: PDCCH command 230: Random access request message 235: instruction 300-a: Search Space Set Configuration 300-b: Search Space Set Configuration 305-a: First set of search spaces 305-b: Second set of search spaces 310-a: When to monitor 310-b: When to monitor 310-c: When to monitor 310-d: When to monitor 310-e: When to monitor 310-f: When to monitor 315: OFDM symbol 320-a: time slot 320-b: time slot 400-a: Random Access Isochrone 400-b: Random Access Isochrone 405-a: PDCCH candidate 405-b: PDCCH candidate 405-c: PDCCH candidate 405-d: PDCCH candidate 405-f: The third PDCCH candidate 405-g: The fourth PDCCH candidate 410-a: PRACH Timing 410-b: PRACH Timing 415-a: PDSCH timing 415-b: First PDSCH timing 415-c: First PDSCH timing 420-a: Threshold Delay Period 420-b: Threshold Delay Period 425-a: QCL Assumptions 425-b: QCL Assumptions 435: PDCCH resource 440: PRACH resources 445:PDSCH resource 500: program flow 505: procedure 510: procedure 515: procedure 600: program flow 605: Procedure 610: procedure 700: Block Diagram 705: Equipment 710: Receiver 715: Launcher 720: Communication Manager 800: block diagram 805: equipment 810: Receiver 815:Emitter 820: Communication Manager 825: Link to the PDCCH identification component 830: PDCCH command component 835: random access program unit 900: block diagram 920: communication manager 925: Link to the PDCCH identification component 930: PDCCH command component 935: random access program unit 940: uplink random access message element 945: QCL assumption parts 950: downlink random access message element 955: TCI selection components 1000: system 1005: Equipment 1010: I/O controller 1015: Transceiver 1020: communication manager 1025: Antenna 1030: memory 1035: code 1040: Processor 1045: busbar 1100: block diagram 1105: equipment 1110: Receiver 1115: Launcher 1120: Communication Manager 1200: block diagram 1205: equipment 1210: Receiver 1215: Launcher 1220: communication manager 1225: Link to the PDCCH identification component 1230: PDCCH command component 1235: uplink random access message element 1300: block diagram 1320: Communication Manager 1325: Link to the PDCCH identification component 1330: PDCCH command component 1335: uplink random access message element 1340: QCL assumption parts 1345: downlink random access message element 1350: TCI state selection component 1400: system 1405: equipment 1410:Network communication manager 1415: Transceiver 1420:Communication Manager 1425:antenna 1430: memory 1435:code 1440: Processor 1445: Inter-station communication manager 1450: busbar 1500: method 1505: block 1510: block 1515: block 1600: method 1605: cube 1610: block 1615: block 1700: method 1705: block 1710: cube 1800: method 1805: cube 1810: cube

1 illustrates an example of a wireless communication system supporting DL-CCH duplication for DL-CCH commands according to aspects of the present disclosure.

2 illustrates an example of a wireless communication system supporting DL-CCH duplication for DL-CCH commands according to aspects of the present disclosure.

3A and 3B illustrate examples of search space set configurations supporting DL-CCH repetition for DL-CCH commands according to aspects of the present disclosure.

4A and 4B illustrate examples of random access isochrones supporting DL-CCH repetition for DL-CCH commands according to aspects of the present disclosure.

5 illustrates an example of a procedure flow to support DL-CCH repetition for DL-CCH commands according to aspects of the subject matter.

6 illustrates an example of a procedure flow to support DL-CCH repetition for DL-CCH commands according to aspects of the subject matter.

7 and 8 illustrate block diagrams of apparatuses supporting DL-CCH repetition for DL-CCH commands according to aspects of the subject matter.

9 illustrates a block diagram of a communication manager supporting DL-CCH duplication for DL-CCH commands according to aspects of the present disclosure.

10 illustrates a diagram of a system including an apparatus supporting DL-CCH duplication for DL-CCH commands, according to aspects of the subject matter.

11 and 12 illustrate block diagrams of an apparatus supporting DL-CCH duplication for DL-CCH commands according to aspects of the present disclosure.

13 illustrates a block diagram of a communication manager supporting DL-CCH duplication for DL-CCH commands according to aspects of the subject matter.

14 illustrates a diagram of a system including an apparatus supporting DL-CCH duplication for DL-CCH commands in accordance with aspects of the subject matter.

15-18 illustrate flowcharts of methods of supporting DL-CCH repetition for DL-CCH commands according to aspects of the present disclosure.

Domestic deposit information (please note in order of depositor, date, and number) none Overseas storage information (please note in order of storage country, institution, date, and number) none

400-a: Random Access Isochrone

405-a: PDCCH candidate

405-b: PDCCH candidate

405-c: PDCCH candidate

410-a: PRACH Timing

415-a: PDSCH timing

420-a: Threshold Delay Period

425-a: QCL Assumptions

435: PDCCH resource

440: PRACH resources

445:PDSCH resource

Claims (30)

An apparatus for wireless communication at a user equipment (UE), comprising: a processor; memory coupled to the processor; and instructions, which are stored in the memory and executable by the processor to cause the device to: receiving an indication that a first DL-CCH candidate and a second DL-CCH candidate are repeatedly concatenated for DL-CCH; receiving a downlink control channel command requesting the UE to participate in a random access procedure via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and The random access procedure associated with the DL-CCH command is performed according to one or more rules related to receiving the DL-CCH command via a concatenated DL-CCH candidate. The device according to claim 1, wherein the instructions are also executable by the processor to execute the random access program by being executable by the processor to perform the following operations: determining a random access opportunity for sending an uplink random access message in response to the downlink control channel command; and based at least in part on a first symbol of the random access opportunity being after a threshold delay period triggered by a reference DL control channel candidate of the concatenated DL control channel candidate, at the random access opportunity The uplink random access message is sent during this period. The apparatus according to claim 2, wherein since the second DLCC candidate ends later in time than the first DLCC candidate, the reference DLCC candidate is the second DLCC candidate control channel candidates, and wherein the one or more rules indicate that the threshold delay period starts after a last symbol of the second downlink control channel candidate. The apparatus according to claim 2, wherein performing the random access procedure according to the one or more rules is independent of whether the downlink control channel command is during the first downlink control channel candidate period or during the second downlink control channel Received during link control channel candidate. The device according to claim 2, wherein the threshold delay period includes a first time period for uplink shared channel preparation according to a capability of the UE, a second time period for random access preparation, and A third time period for bandwidth part switching, a fourth time period for uplink switching, or a combination thereof. The device according to claim 2, wherein the instructions are also executable by the processor to determine the random access opportunity by being executable by the processor to perform the following operations: Timing of the random access occasion is determined based at least in part on an indication in the DL-CCH command or at least in part on a measured sync block. The device according to claim 1, wherein the instructions are also executable by the processor to execute the random access program by being executable by the processor to perform the following operations: sending an uplink random access message in response to the downlink control channel command, wherein the first downlink control channel candidate is associated with a first transmission configuration indicator state, and the second downlink control channel the link control channel candidate is associated with a second TCI state different from the first TCI state; and identifying a quasi-co-location hypothesis to be applied to receiving a downlink random access message in response to the uplink random access message according to the one or more rules, the quasi-co-location hypothesis being consistent with the first transmission configuration Indicator status or at least one of the second transmission configuration indicator status is associated. The apparatus according to claim 7, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting one of the first transmission configuration indicator state or the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying the Selection of the first transmission configuration indicator state or the second transmission configuration indicator state is based at least in part on a relative timing of the first downlink control channel candidate and the second downlink control channel candidate. The apparatus according to claim 7, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting one of the first transmission configuration indicator state or the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying the Selection of the first transmission configuration indicator state or the second transmission configuration indicator state is based at least in part on a first set of search spaces of a first set of search spaces corresponding to the first downlink control channel candidate A relative value of the identifier and a second search space set identifier of a second search space set corresponding to the second downlink control channel candidate. The apparatus according to claim 7, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting one of the first transmission configuration indicator state or the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying the Selection of the first transmission configuration indicator state or the second transmission configuration indicator state is based at least in part on a first search space set associated with the first downlink control channel candidate. Relative values of the control resource set identifier and a second control resource set identifier associated with a second search space set corresponding to the second downlink control channel candidate. The apparatus according to claim 7, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting one of the first transmission configuration indicator state or the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying the The selection of the first transmission configuration indicator state or the second transmission configuration indicator state is based at least in part on a first transmission configuration indicator state designator associated with the first transmission configuration indicator state and associated with the second transmission configuration indicator state. The relative value of a second TCI status indicator associated with the TCI status. The apparatus according to claim 7, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting both the first transmission configuration indicator state and the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying that the quasi-colocation is applied It is assumed that the downlink random access message is a downlink control channel message of a scheduled random access response message, and the downlink control channel message is via a first Three downlink control channel candidates and a fourth downlink control channel candidate are sent. The apparatus according to claim 7, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting both the first transmission configuration indicator state and the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying that the quasi-colocation is applied It is assumed that the downlink random access message is a random access response message, and the random access response message is at least one of space division multiplexing, frequency division multiplexing, time division multiplexing or single frequency network A way to change the state of a multi-transmission configuration indicator downlink shared channel. The apparatus according to claim 7, wherein the downlink control channel command requests a contention-free random access procedure on a master cell or a master-slave cell or both. The device according to claim 7, wherein the downlink random access message is a downlink control channel message scheduling a random access response message or the random access response message. An apparatus for wireless communication at a base station, comprising: a processor; memory coupled to the processor; and instructions, which are stored in the memory and executable by the processor to cause the device to: sending an indication to a user equipment (UE) that a first DL-CCH candidate and a second DL-CCH candidate are repeatedly concatenated for the DL-CCH; sending a downlink control channel command requesting the UE to participate in a random access procedure to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and An UL random access message associated with the DL-CCH command is received from the UE according to one or more rules related to sending the DL-CCH command via a concatenated DL-CCH candidate. The device according to claim 16, wherein the instructions are also executable by the processor to receive the uplink random access message by being executable by the processor to: A random access opportunity based at least in part on a first symbol of the random access opportunity being after a threshold delay period triggered by a reference DL control channel candidate of the concatenated DL control channel candidate The uplink random access message is received during this period. The apparatus according to claim 17, wherein the reference downlink control channel candidate is the second downlink control channel candidate because the second downlink control channel candidate ends later in time than the first downlink control channel candidate control channel candidates, and wherein the one or more rules indicate that the threshold delay period starts after a last symbol of the second downlink control channel candidate. The apparatus according to claim 17, wherein receiving the uplink random access message according to the one or more rules is independent of whether the downlink control channel command is during the first downlink control channel candidate or during the Sent during the second downlink control channel candidate. The device according to claim 17, wherein the instructions are also executable by the processor to cause the device to perform the following operations: An indication of the timing of the random access occasion is sent to the UE via the DL-CCH command or a SYNC block. The device according to claim 16, wherein the instructions are also executable by the processor to cause the device to perform the following operations: identifying, based on the one or more rules, a quasi-co-location hypothesis to be applied to sending a downlink random access message in response to the uplink random access message, the quasi-co-location hypothesis being consistent with one of At least one is associated with: a first TCI state associated with the first DL-CCH candidate, or a second TCI state associated with the second DL-CCH candidate state, wherein the first transmission configuration indicator state is different from the second transmission configuration indicator state. The apparatus according to claim 21, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting both the first transmission configuration indicator state and the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying that the quasi-colocation is applied It is assumed that the downlink random access message is a downlink control channel message that schedules a random access response message, and the downlink control channel message is via a first link that is repeatedly concatenated for the downlink control channel Three downlink control channel candidates and a fourth downlink control channel candidate are sent. The apparatus according to claim 21, wherein the instructions are also executable by the processor to identify the quasi-colocation hypothesis by being executable by the processor to: Selecting both the first transmission configuration indicator state and the second transmission configuration indicator state as a basis for the quasi-colocation assumption according to the one or more rules specifying that the quasi-colocation is applied It is assumed that the downlink random access message is a random access response message, and the random access response message is at least one of space division multiplexing, frequency division multiplexing, time division multiplexing or single frequency network A way to change the state of a multi-transmission configuration indicator downlink shared channel. A method for wireless communication at a user equipment (UE), comprising the steps of: receiving an indication that a first DL-CCH candidate and a second DL-CCH candidate are repeatedly concatenated for DL-CCH; receiving a downlink control channel command requesting the UE to participate in a random access procedure via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and The random access procedure associated with the DL-CCH command is performed according to one or more rules related to receiving the DL-CCH command via a concatenated DL-CCH candidate. The method according to claim 24, wherein performing the random access procedure also includes the following steps: determining a random access opportunity for sending an uplink random access message in response to the downlink control channel command; and based at least in part on a first symbol of the random access opportunity being after a threshold delay period triggered by a reference DL control channel candidate of the concatenated DL control channel candidate, at the random access opportunity The uplink random access message is sent during this period. The method according to claim 25, wherein the reference downlink control channel candidate is the second downlink control channel candidate because the second downlink control channel candidate ends later in time than the first downlink control channel candidate control channel candidates, and wherein the one or more rules indicate that the threshold delay period starts after a last symbol of the second downlink control channel candidate. The method according to claim 25, wherein performing the random access procedure according to the one or more rules is independent of whether the downlink control channel command is during the first downlink control channel candidate or during the second downlink control channel Received during link control channel candidate. The method according to claim 25, wherein the threshold delay period includes a first time period for uplink shared channel preparation according to a capability of the UE, a second time period for random access preparation, A third time period for bandwidth part switching, a fourth time period for uplink switching, or a combination thereof. A method for wireless communication at a base station, comprising the steps of: sending an indication to a user equipment (UE) that a first DL-CCH candidate and a second DL-CCH candidate are repeatedly concatenated for the DL-CCH; sending a downlink control channel command requesting the UE to participate in a random access procedure to the UE via one or both of the first downlink control channel candidate and the second downlink control channel candidate; and receiving an UL random access message associated with the DL-CCH command from the UE according to one or more rules related to sending the DL-CCH command via the associated DL-CCH candidate . The method according to claim 29, wherein receiving the uplink random access message also includes the following steps: during a random access opportunity based at least in part on a first symbol of the random access opportunity being after a threshold delay period triggered by a reference DL-CCH candidate of the concatenated DL-CCH candidate The uplink random access message is received.

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