WO2024031964A1 - Techniques pour des configurations de requête de bloc 1 d'informations système - Google Patents
Techniques pour des configurations de requête de bloc 1 d'informations système Download PDFInfo
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- WO2024031964A1 WO2024031964A1 PCT/CN2023/078640 CN2023078640W WO2024031964A1 WO 2024031964 A1 WO2024031964 A1 WO 2024031964A1 CN 2023078640 W CN2023078640 W CN 2023078640W WO 2024031964 A1 WO2024031964 A1 WO 2024031964A1
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- sib1
- request
- indication
- occasions
- demand
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
Definitions
- aspects of the present disclosure generally relate to wireless communication and to techniques and apparatuses for system information block 1 request configurations.
- Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts.
- Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (for example, bandwidth, transmit power, etc. ) .
- multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE) .
- LTE/LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP) .
- UMTS Universal Mobile Telecommunications System
- a wireless network may include one or more network nodes that support communication for wireless communication devices, such as a user equipment (UE) or multiple UEs.
- a UE may communicate with a network node via downlink communications and uplink communications.
- Downlink (or “DL” ) refers to a communication link from the network node to the UE
- uplink (or “UL” ) refers to a communication link from the UE to the network node.
- Some wireless networks may support device-to-device communication, such as via a local link (e.g., a sidelink (SL) , a wireless local area network (WLAN) link, and/or a wireless personal area network (WPAN) link, among other examples) .
- SL sidelink
- WLAN wireless local area network
- WPAN wireless personal area network
- New Radio which also may be referred to as 5G, is a set of enhancements to the LTE mobile standard promulgated by the 3GPP.
- NR is designed to better support mobile broadband internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectrum, and better integrating with other open standards using orthogonal frequency-division multiplexing (OFDM) with a cyclic prefix (CP) (CP-OFDM) on the downlink, using CP-OFDM or single-carrier frequency division multiplexing (SC-FDM) (also known as discrete Fourier transform spread OFDM (DFT-s-OFDM) ) on the uplink, as well as supporting beamforming, multiple-input multiple-output (MIMO) antenna technology, and carrier aggregation.
- OFDM orthogonal frequency-division multiplexing
- SC-FDM single-carrier frequency division multiplexing
- DFT-s-OFDM discrete Fourier transform spread OFDM
- MIMO multiple-input multiple-output
- the UE may include a memory and one or more processors coupled to the memory.
- the one or more processors may be configured to obtain configuration information indicative of a plurality of system information block 1 (SIB1) request resource configurations.
- the one or more processors may be configured to obtain an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request.
- the one or more processors may be configured to transmit the on-demand SIB1 request based on the SIB1 request resource configuration.
- the network node may include a memory and one or more processors coupled to the memory.
- the one or more processors may be configured to transmit an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request.
- the one or more processors may be configured to receive the on-demand SIB1 request based on the SIB1 request resource configuration.
- the method may include obtaining configuration information indicative of a plurality of SIB1 request resource configurations.
- the method may include obtaining an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request.
- the method may include transmitting the on-demand SIB1 request based on the SIB1 request resource configuration.
- the method may include transmitting an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request.
- the method may include receiving the on-demand SIB1 request based on the SIB1 request resource configuration.
- Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a UE.
- the set of instructions when executed by one or more processors of the UE, may cause the UE to obtain configuration information indicative of a plurality of SIB1 request resource configurations.
- the set of instructions when executed by one or more processors of the UE, may cause the UE to obtain an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request.
- the set of instructions when executed by one or more processors of the UE, may cause the UE to transmit the on-demand SIB1 request based on the SIB1 request resource configuration.
- Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a network node.
- the set of instructions when executed by one or more processors of the network node, may cause the network node to transmit an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request.
- the set of instructions when executed by one or more processors of the network node, may cause the network node to receive the on-demand SIB1 request based on the SIB1 request resource configuration.
- the apparatus may include means for obtaining configuration information indicative of a plurality of SIB1 request resource configurations.
- the apparatus may include means for obtaining an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request.
- the apparatus may include means for transmitting the on-demand SIB1 request based on the SIB1 request resource configuration.
- the apparatus may include means for transmitting an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request.
- the apparatus may include means for receiving the on-demand SIB1 request based on the SIB1 request resource configuration.
- aspects generally include a method, apparatus, system, computer program product, non-transitory computer-readable medium, user equipment, base station, network entity, network node, wireless communication device, and/or processing system as substantially described herein with reference to and as illustrated by the drawings and specification.
- Fig. 1 is a diagram illustrating an example of a wireless network.
- Fig. 2 is a diagram illustrating an example of a network node in communication with a user equipment (UE) in a wireless network.
- UE user equipment
- Fig. 3 is a diagram illustrating an example disaggregated base station architecture, in accordance with the present disclosure.
- Fig. 4 is a diagram illustrating an example associated with system information block 1 request configurations.
- Fig. 5 is a diagram illustrating an example process performed, for example, by a UE, in accordance with the present disclosure.
- Fig. 6 is a diagram illustrating an example process performed, for example, by a network node, in accordance with the present disclosure.
- Fig. 7 is a diagram of an example apparatus for wireless communication, in accordance with the present disclosure.
- Fig. 8 is a diagram of an example apparatus for wireless communication, in accordance with the present disclosure.
- aspects and examples generally include a method, apparatus, network node, system, computer program product, non-transitory computer-readable medium, user equipment, base station, wireless communication device, and/or processing system as described or substantially described herein with reference to and as illustrated by the drawings and specification.
- aspects are described in the present disclosure by illustration to some examples, such aspects may be implemented in many different arrangements and scenarios.
- Techniques described herein may be implemented using different platform types, devices, systems, shapes, sizes, and/or packaging arrangements.
- some aspects may be implemented via integrated chip embodiments or other non-module-component-based devices (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail/purchasing devices, medical devices, and/or artificial intelligence devices) .
- Aspects may be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components, and/or system-level components.
- Devices incorporating described aspects and features may include additional components and features for implementation and practice of claimed and described aspects.
- transmission and reception of wireless signals may include one or more components for analog and digital purposes (e.g., hardware components including antennas, radio frequency (RF) chains, power amplifiers, modulators, buffers, processors, interleavers, adders, and/or summers) .
- RF radio frequency
- Aspects described herein may be practiced in a wide variety of devices, components, systems, distributed arrangements, and/or end-user devices of varying size, shape, and constitution.
- NR New Radio
- RAT radio access technology
- Fig. 1 is a diagram illustrating an example of a wireless network 100.
- the wireless network 100 may be or may include elements of a 5G (for example, NR) network or a 4G (for example, Long Term Evolution (LTE) ) network, among other examples.
- the wireless network 100 may include one or more network nodes 110 (shown as a network node 110a, a network node 110b, a network node 110c, and a network node 110d) , a user equipment (UE) 120 or multiple UEs 120 (shown as a UE 120a, a UE 120b, a UE 120c, a UE 120d, and a UE 120e) , or other entities.
- UE user equipment
- a network node 110 is an example of a network node that communicates with UEs 120. As shown, a network node 110 may include one or more network nodes. For example, a network node 110 may be an aggregated network node, meaning that the aggregated network node is configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (for example, within a single device or unit) .
- a network node 110 may be a disaggregated network node (sometimes referred to as a disaggregated base station) , meaning that the network node 110 is configured to utilize a protocol stack that is physically or logically distributed among two or more nodes (such as one or more central units (CUs) , one or more distributed units (DUs) , or one or more radio units (RUs) ) .
- CUs central units
- DUs distributed units
- RUs radio units
- a network node 110 is or includes a network node that communicates with UEs 120 via a radio access link, such as an RU. In some examples, a network node 110 is or includes a network node that communicates with other network nodes 110 via a fronthaul link or a midhaul link, such as a DU. In some examples, a network node 110 is or includes a network node that communicates with other network nodes 110 via a midhaul link or a core network via a backhaul link, such as a CU.
- a network node 110 may include multiple network nodes, such as one or more RUs, one or more CUs, and/or one or more DUs.
- a network node 110 may include, for example, an NR base station, an LTE base station, a Node B, an eNB (for example, in 4G) , a gNB (for example, in 5G) , an access point, or a transmission reception point (TRP) , a DU, an RU, a CU, a mobility element of a network, a core network node, a network element, a network equipment, a RAN node, or a combination thereof.
- the network nodes 110 may be interconnected to one another or to one or more other network nodes 110 in the wireless network 100 through various types of fronthaul, midhaul, and/or backhaul interfaces, such as a direct physical connection, an air interface, or a virtual network, using any suitable transport network.
- a network node 110 may provide communication coverage for a particular geographic area.
- the term “cell” can refer to a coverage area of a network node 110 or a network node subsystem serving this coverage area, depending on the context in which the term is used.
- a network node 110 may provide communication coverage for a macro cell, a pico cell, a femto cell, or another type of cell.
- a macro cell may cover a relatively large geographic area (for example, several kilometers in radius) and may allow unrestricted access by UEs 120 with service subscriptions.
- a pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs 120 with service subscription.
- a femto cell may cover a relatively small geographic area (for example, a home) and may allow restricted access by UEs 120 having association with the femto cell (for example, UEs 120 in a closed subscriber group (CSG) ) .
- a network node 110 for a macro cell may be referred to as a macro network node.
- a network node 110 for a pico cell may be referred to as a pico network node.
- a network node 110 for a femto cell may be referred to as a femto network node or an in-home network node. In the example shown in Fig.
- the network node 110a may be a macro network node for a macro cell 102a
- the network node 110b may be a pico network node for a pico cell 102b
- the network node 110c may be a femto network node for a femto cell 102c.
- a network node may support one or multiple (for example, three) cells, In some examples, a cell may not necessarily be stationary, and the geographic area of the cell may move according to the location of a network node 110 that is mobile (for example, a mobile network node) .
- base station or “network node” may refer to an aggregated base station, a disaggregated base station, an integrated access and backhaul (IAB) node, a relay node, or one or more components thereof.
- base station or “network node” may refer to a CU, a DU, an RU, a Near-Real Time (Near-RT) RAN Intelligent Controller (RIC) , or a Non-Real Time (Non-RT) RIC, or a combination thereof.
- the term “base station” or “network node” may refer to one device configured to perform one or more functions, such as those described herein in connection with the network node 110.
- the term “base station” or “network node” may refer to a plurality of devices configured to perform the one or more functions. For example, in some distributed systems, each of a quantity of different devices (which may be located in the same geographic location or in different geographic locations) may be configured to perform at least a portion of a function, or to duplicate performance of at least a portion of the function, and the term “base station” or “network node” may refer to any one or more of those different devices.
- the term “base station” or “network node” may refer to one or more virtual base stations or one or more virtual base station functions. For example, in some aspects, two or more base station functions may be instantiated on a single device.
- the term “base station” or “network node” may refer to one of the base station functions and not another. In this way, a single device may include more than one base station.
- the wireless network 100 may include one or more relay stations.
- a relay station is a network node that can receive a transmission of data from an upstream node (for example, a network node 110 or a UE 120) and send a transmission of the data to a downstream node (for example, a UE 120 or a network node 110) .
- a relay station may be a UE 120 that can relay transmissions for other UEs 120.
- the network node 11 0d (for example, a relay network node) may communicate with the network node 110a (for example, a macro network node) and the UE 120d in order to facilitate communication between the network node 110a and the UE 120d.
- a network node 110 that relays communications may be referred to as a relay station, a relay base station, a relay network node, a relay node, or a relay, among other examples.
- the wireless network 100 may be a heterogeneous network that includes network nodes 110 of different types, such as macro network nodes, pico network nodes, femto network nodes, or relay network nodes. These different types of network nodes 110 may have different transmit power levels, different coverage areas, or different impacts on interference in the wireless network 100.
- macro network nodes may have a high transmit power level (for example, 5 to 40 watts) whereas pico network nodes, femto network nodes, and relay network nodes may have lower transmit power levels (for example, 0.1 to 2 watts) .
- a network controller 130 may couple to or communicate with a set of network nodes 110 and may provide coordination and control for these network nodes 110.
- the network controller 130 may communicate with the network nodes 110 via a backhaul communication link or a midhaul communication link.
- the network nodes 110 may communicate with one another directly or indirectly via a wireless or wireline backhaul communication link.
- the network controller 130 may be a CU or a core network device, or may include a CU or a core network device.
- the UEs 120 may be dispersed throughout the wireless network 100, and each UE 120 may be stationary or mobile.
- a UE 120 may include, for example, an access terminal, a terminal, a mobile station, or a subscriber unit.
- a UE 120 may be a cellular phone (for example, a smart phone) , a personal digital assistant (PDA) , a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (for example, a smart watch, smart clothing, smart glasses, a smart wristband, smart jewelry (for example, a smart ring or a smart bracelet) ) , an entertainment device (for example, a music device, a video device, or a satellite radio) , a vehicular component or sensor, a smart
- Some UEs 120 may be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs.
- An MTC UE or an eMTC UE may include, for example, a robot, a drone, a remote device, a sensor, a meter, a monitor, or a location tag, that may communicate with a network node, another device (for example, a remote device) , or some other entity.
- Some UEs 120 may be considered Intemet-of-Things (IoT) devices, or may be implemented as NB-IoT (narrowband IoT) devices.
- Some UEs 120 may be considered a Customer Premises Equipment.
- a UE 120 may be included inside a housing that houses components of the UE 120, such as processor components or memory components.
- the processor components and the memory components may be coupled together.
- the processor components for example, one or more processors
- the memory components for example, a memory
- the processor components and the memory components may be operatively coupled, communicatively coupled, electronically coupled, or electrically coupled.
- any number of wireless networks 100 may be deployed in a given geographic area.
- Each wireless network 100 may support a particular RAT and may operate on one or more frequencies.
- a RAT may be referred to as a radio technology or an air interface.
- a frequency may be referred to as a carrier or a frequency channel.
- Each frequency may support a single RAT in a given geographic area in order to avoid interference between wireless networks of different RATs.
- NR or 5G RAT networks may be deployed.
- two or more UEs 120 may communicate directly using one or more sidelink channels (for example, without using a network node 110 as an intermediary to communicate with one another) .
- the UEs 120 may communicate using peer-to-peer (P2P) communications, device-to-device (D2D) communications, a vehicle-to-everything (V2X) protocol (for example, which may include a vehicle-to-vehicle (V2V) protocol, a vehicle-to-infrastructure (V2I) protocol, or a vehicle-to-pedestrian (V2P) protocol) , or a mesh network.
- V2X vehicle-to-everything
- a UE 120 may perform scheduling operations, resource selection operations, or other operations described elsewhere herein as being performed by the network node 110.
- Devices of the wireless network 100 may communicate using the electromagnetic spectrum, which may be subdivided by frequency or wavelength into various classes, bands, or channels.
- devices of the wireless network 100 may communicate using one or more operating bands.
- two initial operating bands have been identified as frequency range designations FR1 (410 MHz -7.125 GHz) and FR2 (24.25 GHz -52.6 GHz.
- FR1 frequency range designations FR1 (410 MHz -7.125 GHz)
- FR2 24.25 GHz -52.6 GHz.
- FR1 is often referred to (interchangeably) as a “Sub-6 GHz” band in various documents and articles.
- FR2 which is often referred to (interchangeably) as a “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz -300 GHz) which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band.
- EHF extremely high frequency
- ITU International Telecommunications Union
- FR3 7.125 GHz -24.25 GHz
- FR4a or FR4-1 52.6 GHz -71 GHz
- FR4 52.6 GHz-114.25 GHz
- FR5 114.25 GHz-300 GHz
- sub-6 GHz may broadly represent frequencies that may be less than 6 GHz, may be within FR1, or may include mid-band frequencies.
- millimeter wave may broadly represent frequencies that may include mid-band frequencies, may be within FR2, FR4, FR4-a or FR4-1, or FR5, or may be within the EHF band. It is contemplated that the frequencies included in these operating bands (for example, FR1, FR2, FR3, FR4, FR4-a, FR4-1, or FR5) may be modified, and techniques described herein are applicable to those modified frequency ranges.
- the UE 120 may include a communication manager 140.
- the communication manager 140 may obtain configuration information indicative of a plurality of system information block 1 (SIB1) request resource configurations; obtain an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request; and transmit the on-demand SIB1 request based on the SIB1 request resource configuration. Additionally, or alternatively, the communication manager 140 may perform one or more other operations described herein.
- SIB1 system information block 1
- the network node 110 may include a communication manager 150.
- the communication manager 150 may transmit an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request; and receive the on-demand SIB1 request based on the SIB1 request resource configuration. Additionally, or alternatively, the communication manager 150 may perform one or more other operations described herein.
- Fig. 1 is provided as an example. Other examples may differ from what is described with regard to Fig. 1.
- Fig. 2 is a diagram illustrating an example 200 of a network node 110 in communication with a UE 120 in a wireless network 100.
- the network node 110 may be equipped with a set of antennas 234a through 234t, such as T antennas (T ⁇ 1) .
- the UE 120 may be equipped with a set of antennas 252a through 252r, such as R antennas (R ⁇ 1) .
- the network node 110 of example 200 includes one or more radio frequency components, such as antennas 234 and a modem 254.
- a network node 110 may include an interface, a communication component, or another component that facilitates communication with the UE 120 or another network node.
- S ome network nodes 110 may not include radio frequency components that facilitate direct communication with the UE 120, such as one or more CUs, or one or more DUs.
- a transmit processor 220 may receive data, from a data source 212, intended for the UE 120 (or a set of UEs 120) .
- the transmit processor 220 may select one or more modulation and coding schemes (MCSs) for the UE 120 using one or more channel quality indicators (CQIs) received from that UE 120.
- MCSs modulation and coding schemes
- CQIs channel quality indicators
- the network node 110 may process (for example, encode and modulate) the data for the UE 120 using the MCS (s) selected for the UE 120 and may provide data symbols for the UE 120.
- the transmit processor 220 may process system information (for example, for semi-static resource partitioning information (SRPI) ) and control information (for example, CQI requests, grants, or upper layer signaling) and provide overhead symbols and control symbols.
- SRPI semi-static resource partitioning information
- the transmit processor 220 may generate reference symbols for reference signals (for example, a cell-specific reference signal (CRS) or a demodulation reference signal (DMRS) ) and synchronization signals (for example, a primary synchronization signal (PSS) or a secondary synchronization signal (SSS) ) .
- a transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (for example, precoding) on the data symbols, the control symbols, the overhead symbols, or the reference symbols, if applicable, and may provide a set of output symbol streams (for example, T output symbol streams) to a corresponding set of modems 232 (for example, T modems) , shown as modems 232a through 232t.
- each output symbol stream may be provided to a modulator component (shown as MOD) of a modem 232.
- Each modem 232 may use a respective modulator component to process a respective output symbol stream (for example, for OFDM) to obtain an output sample stream.
- Each modem 232 may further use a respective modulator component to process (for example, convert to analog, amplify, filter, or upconvert) the output sample stream to obtain a downlink signal.
- the modems 232a through 232t may transmit a set of downlink signals (for example, T downlink signals) via a corresponding set of antennas 234 (for example, T antennas) , shown as antennas 234a through 234t.
- a set of antennas 252 may receive the downlink signals from the network node 110 or other network nodes 110 and may provide a set of received signals (for example, R received signals) to a set of modems 254 (for example, R modems) , shown as modems 254a through 254r.
- each received signal may be provided to a demodulator component (shown as DEMOD) of a modem 254.
- DEMOD demodulator component
- Each modem 254 may use a respective demodulator component to condition (for example, filter, amplify, downconvert, or digitize) a received signal to obtain input samples.
- Each modem 254 may use a demodulator component to further process the input samples (for example, for OFDM) to obtain received symbols.
- a MIMO detector 256 may obtain received symbols from the modems 254, may perform MIMO detection on the received symbols if applicable, and may provide detected symbols.
- a receive processor 258 may process (for example, demodulate and decode) the detected symbols, may provide decoded data for the UE 120 to a data sink 260, and may provide decoded control information and system information to a controller/processor 280.
- controller/processor may refer to one or more controllers, one or more processors, or a combination thereof.
- a channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, or a CQI parameter, among other examples.
- RSRP reference signal received power
- RSSI received signal strength indicator
- RSSRQ reference signal received quality
- CQI CQI parameter
- the network controller 130 may include a communication unit 294, a controller/processor 290, and a memory 292.
- the network controller 130 may include, for example, one or more devices in a core network.
- the network controller 130 may communicate with the network node 110 via the communication unit 294.
- One or more antennas may include, or may be included within, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, or one or more antenna arrays, among other examples.
- An antenna panel, an antenna group, a set of antenna elements, or an antenna array may include one or more antenna elements (within a single housing or multiple housings) , a set of coplanar antenna elements, a set ofnon-coplanar antenna elements, or one or more antenna elements coupled to one or more transmission or reception components, such as one or more components of Fig. 2.
- a transmit processor 264 may receive and process data from a data source 262 and control information (for example, for reports that include RSRP, RSSI, RSRQ, or CQI) from the controller/processor 280.
- the transmit processor 264 may generate reference symbols for one or more reference signals.
- the symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266 if applicable, further processed by the modems 254 (for example, for DFT-s-OFDM or CP-OFDM) , and transmitted to the network node 110.
- the modem 254 of the UE 120 may include a modulator and a demodulator.
- the UE 120 includes a transceiver.
- the transceiver may include any combination of the antenna (s) 252, the modem (s) 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, or the TX MIMO processor 266.
- the transceiver may be used by a processor (for example, the controller/processor 280) and the memory 282 to perform aspects of any of the processes described herein (e.g., with reference to Figs. 4-8) .
- the uplink signals from UE 120 or other UEs may be received by the antennas 234, processed by the modem 232 (for example, a demodulator component, shown as DEMOD, of the modem 232) , detected by a MIMO detector 236 if applicable, and further processed by a receive processor 238 to obtain decoded data and control information sent by the UE 120.
- the receive processor 238 may provide the decoded data to a data sink 239 and provide the decoded control information to the controller/processor 240.
- the network node 110 may include a communication unit 244 and may communicate with the network controller 130 via the communication unit 244.
- the network node 110 may include a scheduler 246 to schedule one or more UEs 120 for downlink or uplink communications.
- the modem 232 of the network node 110 may include a modulator and a demodulator.
- the network node 110 includes a transceiver.
- the transceiver may include any combination of the antenna (s) 234, the modem (s) 232, the MIMO detector 236, the receive processor 238, the transmit processor 220, or the TX MIMO processor 230.
- the transceiver may be used by a processor (for example, the controller/processor 240) and the memory 242 to perform aspects of any of the processes described herein (e.g., with reference to Figs. 4-8) .
- the controller/processor 280 may be a component of a processing system.
- a processing system may generally be a system or a series of machines or components that receives inputs and processes the inputs to produce a set of outputs (which may be passed to other systems or components of, for example, the UE 120) .
- a processing system of the UE 120 may be a system that includes the various other components or subcomponents of the UE 120.
- the processing system of the UE 120 may interface with one or more other components of the UE 120, may process information received from one or more other components (such as inputs or signals) , or may output information to one or more other components.
- a chip or modem of the UE 120 may include a processing system, a first interface to receive or obtain information, and a second interface to output, transmit, or provide information.
- the first interface may be an interface between the processing system of the chip or modem and a receiver, such that the UE 120 may receive information or signal inputs, and the information may be passed to the processing system.
- the second interface may be an interface between the processing system of the chip or modem and a transmitter, such that the UE 120 may transmit information output from the chip or modem.
- the second interface also may obtain or receive information or signal inputs, and the first interface also may output, transmit, or provide information.
- the controller/processor 240 may be a component of a processing system.
- a processing system may generally be a system or a series of machines or components that receives inputs and processes the inputs to produce a set of outputs (which may be passed to other systems or components of, for example, the network node 1 10) .
- a processing system of the network node 1 10 may be a system that includes the various other components or subcomponents of the network node 1 10.
- the processing system of the network node 11 0 may interface with one or more other components of the network node 1 10, may process information received from one or more other components (such as inputs or signals) , or may output information to one or more other components.
- a chip or modem of the network node 110 may include a processing system, a first interface to receive or obtain information, and a second interface to output, transmit, or provide information.
- the first interface may be an interface between the processing system of the chip or modem and a receiver, such that the network node 110 may receive information or signal inputs, and the information may be passed to the processing system.
- the second interface may be an interface between the processing system of the chip or modem and a transmitter, such that the network node 110 may transmit information output from the chip or modem.
- the second interface also may obtain or receive information or signal inputs, and the first interface also may output, transmit, or provide information.
- the controller/processor 240 of the network node 110, the controller/processor 280 of the UE 120, or any other component (s) of Fig. 2 may perform one or more techniques associated with SIB1 request configurations, as described in more detail elsewhere herein.
- the controller/processor 240 of the network node 110, the controller/processor 280 of the UE 120, or any other component (s) (or combinations of components) of Fig. 2 may perform or direct operations of, for example, process 500 of Fig. 5, process 600 of Fig. 6, and/or other processes as described herein.
- the memory 242 and the memory 282 may store data and program codes for the network node 110 and the UE 120, respectively.
- the memory 242 and the memory 282 may include a non-transitory computer-readable medium storing one or more instructions (for example, code or program code) for wireless communication.
- the one or more instructions when executed (for example, directly, or after compiling, converting, or interpreting) by one or more processors of the network node 110 or the UE 120, may cause the one or more processors, the UE 120, or the network node 110 to perform or direct operations of, for example, process 500 of Fig. 5, process 600 of Fig. 6, and/or other processes as described herein.
- executing instructions may include running the instructions, converting the instructions, compiling the instructions, and/or interpreting the instructions, among other examples.
- the UE 120 includes means for obtaining configuration information indicative of a plurality of SIB1 request resource configurations; means for obtaining an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request; and/or means for transmitting the on-demand SIB1 request based on the SIB1 request resource configuration.
- the means for the UE to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller/processor 280, or memory 282.
- the network node 110 includes means for transmitting an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request; and/or means for receiving the on-demand SIB1 request based on the SIB1 request resource configuration.
- the means for the network node to perform operations described herein may include, for example, one or more of communication manager 150, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller/processor 240, memory 242, or scheduler 246.
- While blocks in Fig. 2 are illustrated as distinct components, the functions described above with respect to the blocks may be implemented in a single hardware, software, or combination component or in various combinations of components.
- the functions described with respect to the transmit processor 264, the receive processor 258, and/or the TX MIMO processor 266 may be performed by or under the control of the controller/processor 280.
- Fig. 2 is provided as an example. Other examples may differ from what is described with regard to Fig. 2.
- Deployment of communication systems may be arranged in multiple manners with various components or constituent parts.
- a network node, a network entity, a mobility element of a network, a RAN node, a core network node, a network element, a base station, or a network equipment may be implemented in an aggregated or disaggregated architecture.
- a base station such as a Node B (NB) , an evolved NB (eNB) , an NR BS, a 5G NB, an access point (AP) , a TRP, or a cell, among other examples
- NB Node B
- eNB evolved NB
- NR BS NR BS
- 5G NB 5G NB
- AP access point
- TRP TRP
- a cell a cell, among other examples
- a base station such as a Node B (NB) , an evolved NB (eNB) , an NR BS, a 5G NB, an access point (AP) , a TRP, or a cell, among other examples
- AP access point
- TRP Transmission Protocol
- a cell a cell
- a base station such as a Node B (NB) , an evolved NB (eNB) , an NR BS, a 5G NB, an access point (AP) , a TRP
- An aggregated base station may be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (for example, within a single device or unit) .
- a disaggregated base station e.g., a disaggregated network node
- a CU may be implemented within a network node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed throughout one or multiple other network nodes.
- the DUs may be implemented to communicate with one or more RUs.
- Each of the CU, DU and RU also can be implemented as virtual units, such as a virtual central unit (VCU) , a virtual distributed unit (VDU) , or a virtual radio unit (VRU) , among other examples.
- VCU virtual central unit
- VDU virtual distributed unit
- VRU virtual radio unit
- Base station-type operation or network design may consider aggregation characteristics of base station functionality.
- disaggregated base stations may be utilized in an IAB network, an open radio access network (O-RAN (such as the network configuration sponsored by the O-RAN Alliance) ) , or a virtualized radio access network (vRAN, also known as a cloud radio access network (C-RAN) ) to facilitate scaling of communication systems by separating base station functionality into one or more units that can be individually deployed.
- a disaggregated base station may include functionality implemented across two or more units at various physical locations, as well as functionality implemented for at least one unit virtually, which can enable flexibility in network design.
- the various units of the disaggregated base station can be configured for wired or wireless communication with at least one other unit of the disaggregated base station.
- Fig. 3 is a diagram illustrating an example disaggregated base station architecture 300, in accordance with the present disclosure.
- the disaggregated base station architecture 300 may include a CU 310 that can communicate directly with a core network 320 via a backhaul link, or indirectly with the core network 320 through one or more disaggregated control units (such as a Near-RT RIC 325 via an E2 link, or a Non-RT RIC 315 associated with a Service Management and Orchestration (SMO) Framework 305, or both) .
- a CU 310 may communicate with one or more DUs 330 via respective midhaul links, such as through F1 interfaces.
- Each of the DUs 330 may communicate with one or more RUs 340 via respective fronthaul links.
- Each of the RUs 340 may communicate with one or more UEs 120 via respective radio frequency (RF) access links.
- RF radio frequency
- Each of the units may include one or more interfaces or be coupled with one or more interfaces configured to receive or transmit signals, data, or information (collectively, signals) via a wired or wireless transmission medium.
- Each of the units, or an associated processor or controller providing instructions to one or multiple communication interfaces of the respective unit, can be configured to communicate with one or more of the other units via the transmission medium.
- each of the units can include a wired interface, configured to receive or transmit signals over a wired transmission medium to one or more of the other units, and a wireless interface, which may include a receiver, a transmitter or transceiver (such as a RF transceiver) , configured to receive or transmit signals, or both, over a wireless transmission medium to one or more of the other units.
- a wireless interface which may include a receiver, a transmitter or transceiver (such as a RF transceiver) , configured to receive or transmit signals, or both, over a wireless transmission medium to one or more of the other units.
- the CU 310 may host one or more higher layer control functions.
- control functions can include RRC functions, packet data convergence protocol (PDCP) functions, or service data adaptation protocol (SDAP) functions, among other examples.
- Each control function can be implemented with an interface configured to communicate signals with other control functions hosted by the CU 310.
- the CU 310 may be configured to handle user plane functionality (for example, Central Unit -User Plane (CU-UP) functionality) , control plane functionality (for example, Central Unit -Control Plane (CU-CP) functionality) , or a combination thereof.
- the CU 310 can be logically split into one or more CU-UP units and one or more CU-CP units.
- a CU-UP unit can communicate bidirectionally with a CU-CP unit via an interface, such as the E1 interface when implemented in an O-RAN configuration.
- the CU 310 can be implemented to communicate with a DU 330, as necessary, for network control and signaling.
- Each DU 330 may correspond to a logical unit that includes one or more base station functions to control the operation of one or more RUs 340.
- the DU 330 may host one or more of a radio link control (RLC) layer, a MAC layer, and one or more high physical (PHY) layers depending, at least in part, on a functional split, such as a functional split defined by the 3GPP.
- the one or more high PHY layers may be implemented by one or more modules for forward error correction (FEC) encoding and decoding, scrambling, and modulation and demodulation, among other examples.
- FEC forward error correction
- the DU 330 may further host one or more low PHY layers, such as implemented by one or more modules for a fast Fourier transform (FFT) , an inverse FFT (iFFT) , digital beamforming, or physical random access channel (PRACH) extraction and filtering, among other examples.
- FFT fast Fourier transform
- iFFT inverse FFT
- PRACH physical random access channel
- Each layer (which also may be referred to as a module) can be implemented with an interface configured to communicate signals with other layers (and modules) hosted by the DU 330, or with the control functions hosted by the CU 310.
- Each RU 340 may implement lower-layer functionality.
- an RU 340, controlled by a DU 330 may correspond to a logical node that hosts RF processing functions or low-PHY layer functions, such as performing an FFT, performing an iFFT, digital beamforming, or PRACH extraction and filtering, among other examples, based on a functional split (for example, a functional split defined by the 3GPP) , such as a lower layer functional split.
- each RU 340 can be operated to handle over the air (OTA) communication with one or more UEs 120.
- OTA over the air
- real-time and non-real-time aspects of control and user plane communication with the RU (s) 340 can be controlled by the corresponding DU 330.
- this configuration can enable each DU 330 and the CU 310 to be implemented in a cloud-based RAN architecture, such as a vRAN architecture.
- the SMO Framework 305 may be configured to support RAN deployment and provisioning of non-virtualized and virtualized network elements.
- the SMO Framework 305 may be configured to support the deployment of dedicated physical resources for RAN coverage requirements, which may be managed via an operations and maintenance interface (such as an O 1 interface) .
- the SMO Framework 305 may be configured to interact with a cloud computing platform (such as an open cloud (O-Cloud) platform 390) to perform network element life cycle management (such as to instantiate virtualized network elements) via a cloud computing platform interface (such as an 02 interface) .
- a cloud computing platform such as an open cloud (O-Cloud) platform 390
- network element life cycle management such as to instantiate virtualized network elements
- a cloud computing platform interface such as an 02 interface
- Such virtualized network elements can include, but are not limited to, CUs 310, DUs 330, RUs 340, non-RT RICs 315, and Near-RT RICs 325.
- the SMO Framework 305 can communicate with a hardware aspect of a 4G RAN, such as an open eNB (O-eNB) 311, via an O1 interface. Additionally, in some implementations, the SMO Framework 305 can communicate directly with each of one or more RUs 340 via a respective O1 interface.
- the SMO Framework 305 also may include a Non-RT RIC 315 configured to support functionality of the SMO Framework 305.
- the Non-RT RIC 315 may be configured to include a logical function that enables non-real-time control and optimization of RAN elements and resources, Artificial Intelligence/Machine Learning (AI/ML) workflows including model training and updates, or policy-based guidance of applications/features in the Near-RT RIC 325.
- the Non-RT RIC 315 may be coupled to or communicate with (such as via an A1 interface) the Near-RT RIC 325.
- the Near-RT RIC 325 may be configured to include a logical function that enables near-real-time control and optimization of RAN elements and resources via data collection and actions over an interface (such as via an E2 interface) connecting one or more CUs 310, one or more DUs 330, or both, as well as an O-eNB, with the Near-RT RIC 325.
- the Non-RT RIC 315 may receive parameters or external enrichment information from external servers. Such information may be utilized by the Near-RT RIC 325 and may be received at the SMO Framework 305 or the Non-RT RIC 315 from non-network data sources or from network functions. In some examples, the Non-RT RIC 315 or the Near-RT RIC 325 may be configured to tune RAN behavior or performance. For example, the Non-RT RIC 315 may monitor long-term trends and patterns for performance and employ AI/ML models to perform corrective actions through the SMO Framework 305 (such as reconfiguration via an O1 interface) or via creation of RAN management policies (such as A 1 interface policies) .
- Fig. 3 is provided as an example. Other examples may differ from what is described with regard to Fig. 3.
- a network node may transmit system information, such as system information blocks (SIBs) on a physical downlink shared channel (PDSCH) in some slots.
- System information may include physical layer information (e.g., in a master information block) , access information (e.g., in a SIB1) , and/or other information for communication between UEs and the network node (e.g., in one or more other types of SIB) .
- the network node can broadcast SIB1 periodically. However, reducing the number of broadcast transmissions of SIB1 can lower base station power consumption. To do so, an initial SIB1 can be broadcast and additional SIB1 can be requested.
- a SIB1 that is broadcast in response to a request from a UE is an on-demand SIB1.
- the UE can request an on-demand SIB1 by transmitting an on-demand SIB1 request.
- the on-demand SIB1 request can be sent, for example, using a Msg 1 or a Msg 3 of a random access channel (RACH) procedure.
- resources for sending the request can be configured in an initial SIB1.
- the resources can include one or more frequency and/or time resources configured to carry the on-demand SIB1 request.
- the resources for sending a SIB1 request can be configured in a synchronization signal block (SSB) or preconfigured (e.g., stored in a memory of the UE) .
- SSB synchronization signal block
- Configuration of resources for on-demand SIB1 requests in SSBs may enlarge physical broadcast channel (PBCH) and/or master information block (MIB) payloads, while pre-configuration can lead to inflexibility in deployment.
- PBCH physical broadcast channel
- MIB master information block
- a UE may obtain configuration information indicative of a plurality of SIB1 request resource configurations.
- the UE may obtain an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request and may transmit the on-demand SIB1 request based on the SIB1 request resource configuration.
- some aspects may facilitate selection of a SIB1 request resource configuration from among a plurality of SIB1 request resource configurations, thereby providing flexibility in implementation and minimizing SSB payloads in at least some cases.
- multiple resource configurations may be preconfigured (e.g., stored in a memory of the UE) and an S SB may indicate only an index value associated with one of the multiple resource configurations.
- some aspects may facilitate on-demand SIB1 broadcast, thereby leading to reductions in power consumption by network nodes.
- Fig. 4 is a diagram illustrating an example 400 associated with SIB1 request configurations.
- example 400 includes a UE 402 and a network node 404 in communication with one another.
- the UE 402 may be, be similar to, include, or be included in, the UE 120 depicted in Figs. 1-3.
- the network node 404 may be, be similar to, include, or be included in, the network node 110 depicted in Figs. 1 and 2 and/or one or more components of the disaggregated base station architecture 300 depicted in Fig. 3.
- the UE 402 may obtain configuration information.
- the configuration information may be indicative of a plurality of SIB1 request resource configurations.
- a SIB1 request resource configuration may be configuration information indicative of one or more uplink resources configured for carrying an on-demand SIB1 request.
- An on-demand SIB1 request may include a request for transmission of a SIB1.
- a SIB1 request resource configuration may indicate a type of message that may be used to transmit the SIB1 request, a timing of a SIB1 request, a periodic and/or semi-persistent resource configuration for transmitting SIB1 requests, and/or may include information indicative of time and/or frequency resources that may be used to transmit SIB1 requests, among other examples.
- the UE 402 may obtain the configuration information by retrieving the configuration information from a memory of the UE 402.
- one or more processors of the UE 402 may be configured to retrieve the configuration information from the memory of the UE 402.
- one or more bits in an SSB may be used to indicate the configuration to be used for UE 402 to send the SIB1 request.
- multiple configurations can be pre-loaded in the UE 402 and/or specified in a wireless communication standard.
- the bits may be part of a MIB. For example, reserved bits in the MIB may be used or existing bits in the MIB may be reinterpreted.
- one or more bits indicating the configuration information may be indicated via a primary synchronization signal (PSS) and/or a secondary synchronization signal (SSS) .
- PSS primary synchronization signal
- SSS secondary synchronization signal
- the UE 402 may obtain the configuration information based on receiving an initial SIB1 corresponding to a set of pre-configured SIB1 resources.
- the pre-configured SIB1 resources are used by the network node 404 to transmit pre-configured SIB1 transmissions.
- the pre-configured SIB1 transmissions are always on and are used to transmit the indication of the resource configuration for the UE 402 to request additional SIB1 (on-demand SIB1) .
- pre-configured SIB1 resources may be SIB1 resources that are configured at the network node 404 prior to an interaction with the UE 402.
- the initial SIB1 is transmitted in a SIB1 occasion 1 and a SIB1 occasion 5.
- the initial SIB1 transmitted in the SIB1 occasion 1 may include the configuration information.
- the SIB1 occasions may be configured with a periodicity 410 (e.g., 160 milliseconds) .
- a number of S IB 1 repetition resources may be configured or pre-configured.
- the remaining SIB1 occasions 2, 3, and 4 may be semi-persistent SIB1 resources for on-demand SIB1.
- the UE 402 may have a long latency of acquiring additional initial SIB1 transmissions.
- some occasions without actual SIB1 transmission may be activated for additional SIB1 transmissions (e.g., on-demand SIB1 transmissions) , thereby providing more SIB1 reception occasions for the UE 402.
- the request resource configuration may be provided in the SIB1 that is transmitted in the pre-configured resources.
- the UE 402 may obtain an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request.
- the UE 402 may obtain the indication of the SIB1 resource request to be used by receiving an indication communication, as shown by reference number 414.
- the indication communication may include at least one bit that indicates the SIB1 request resource configuration.
- the indication communication may include an SSB.
- the indication communication may include an MIB.
- the indication communication may include at least one of a PSS or a secondary synchronization signal SSS.
- the network node 404 may transmit, and the UE 402 may receive, at least one repetition of an initial SIB1 transmission.
- the initial SIB1 transmission may be transmitted with repetition.
- the initial SIB1 may be transmitted in the SIB1 occasion 1 and one or more repetitions may be transmitted in one or more of SIB1 occasions 1A, 1B, and/or other similar SIB1 occasions.
- a SIB1 occasion may be a time resource and/or frequency resource via which the UE 402 monitors a physical downlink control channel (PDCCH) carrying scheduling information for the UE 402 to receive a PDSCH transmission carrying a SIB1.
- PDCH physical downlink control channel
- a SIB1 occasion may be a time resource and/or a frequency resource via which the UE 402 receives a PDSCH transmission carrying a SIB1.
- the term “repetition” is used to refer to an initial communication and is also used to refer to a repeated transmission of the initial communication.
- the network node 404 may transmit an initial transmission and may transmit three repeated transmissions of that initial transmission.
- each transmission (regardless of whether the transmission is an initial transmission or a retransmission) is considered a repetition.
- a repetition may be transmitted in a transmission occasion, which is sometimes referred to as a transmission instance.
- the initial SIB1 transmission may be repeated in a configured occasion.
- the on-demand SIB1 transmission transmitted in response to the UE request may or may not be repeated in the activated occasions.
- the initial SIB1 may be transmitted in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- the UE 402 may obtain a repetition factor associated with the at least one repetition of the initial SIB1 transmission.
- the repetition factor may correspond to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- the UE 402 may obtain the repetition factor by receiving an SSB that indicates the repetition factor.
- the UE 402 may obtain the repetition factor by retrieving the repetition factor from the memory of the UE 402.
- one or more processors of the UE 402 may be configured to retrieve the repetition factor from the memory of the UE 402.
- the UE 402 may transmit, and the network node 404 may receive, the on-demand SIB1 request based on the SIB1 request resource configuration.
- the network node 404 may transmit, and the UE 402 may receive, at least one on-demand SIB1 transmission.
- the at least one on-demand SIB1 may be transmitted in a set of SIB1 occasions.
- the UE 402 may transmit an on-demand SIB1 request 424 based on an on-demand SIB1 request resource configuration indicated in an initial SIB1 transmission received in SIB1 occasion 1.
- the UE 402 may receive on-demand SIB1 transmissions in SIB1 occasions 3, 4, and 5.
- the SIB1 occasions 3, 4, and 5 may be initial SIB1 repetition occasions and in some other aspects, one or more of the SIB1 occasions may be SIB1 occasions that are not included in a set of initial SIB1 repetition occasions.
- the on-demand SIB1 transmissions may be transmitted using a set of semi-persistent SIB1 resources (e.g., the SIB1 occasions 2, 3, and 4) .
- the set of semi-persistent SIB1 resources may correspond to a subset of a set of SIB1 cycles.
- the UE 402 may obtain an indication of the set of SIB1 occasions.
- the UE 402 may obtain the indication of the set of SIB1 occasions by receiving an RRC message that includes the indication of the set of SIB1 occasions.
- the UE 402 may obtain the indication of the set of SIB1 occasions by receiving a medium access control control element (MAC CE) that includes the indication of the set of SIB1 occasions. In some aspects, the UE 402 may obtain the indication of the set of SIB1 occasions by receiving downlink control information (DCI) that includes the indication of the set of SIB1 occasions. In some aspects, the UE 402 may obtain the indication of the set of SIB1 occasions by retrieving the indication of the set of SIB1 occasions from the memory of the UE 402. For example, one or more processors of the UE 402 may be configured to retrieve the indication of the set of SIB1 occasions from a memory of the UE 402.
- MAC CE medium access control control element
- DCI downlink control information
- the UE 402 may obtain the indication of the set of SIB1 occasions by retrieving the indication of the set of SIB1 occasions from the memory of the UE 402.
- processors of the UE 402 may be configured to retrieve the indication of the set of SIB1 occasions from
- the set of SIB1 occasions may include a plurality of consecutive SIB1 occasions (e.g., SIB1 occasions 3, 4, and 5) .
- the set of SIB1 occasions may include a plurality of non-consecutive SIB1 occasions (e.g., SIB1 occasions 3 and 5) .
- Fig. 4 is provided as an example. Other examples may differ from what is described with regard to Fig. 4.
- Fig. 5 is a diagram illustrating an example process 500 performed, for example, by a UE, in accordance with the present disclosure.
- Example process 500 is an example where the UE (e.g., UE 402) performs operations associated with SIB1 request configurations.
- process 500 may include obtaining configuration information indicative of a plurality of SIB1 request resource configurations (block 510) .
- the UE e.g., using communication manager 708 and/or reception component 702, depicted in Fig. 7 may obtain configuration information indicative of a plurality of SIB1 request resource configurations, as described above.
- process 500 may include obtaining an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request (block 520) .
- the UE e.g., using communication manager 708 and/or reception component 702, depicted in Fig. 7
- process 500 may include transmitting the on-demand SIB1 request based on the SIB1 request resource configuration (block 530) .
- the UE e.g., using communication manager 708 and/or transmission component 704, depicted in Fig. 7
- Process 500 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
- obtaining the indication of the SIB1 request resource configuration comprises receiving an indication communication comprising at least one bit that indicates the SIB1 request resource configuration.
- the indication communication comprises an S SB.
- the indication communication comprises a MIB.
- the indication communication comprises at least one of a PSS or an SSS.
- the UE comprises a memory, and obtaining the configuration information comprises retrieving the configuration information from a memory.
- obtaining the configuration information comprises receiving an initial SIB1 corresponding to a set of pre-configured SIB1 resources.
- the set of pre-configured SIB1 resources corresponds to a subset of a set of SIB1 cycles.
- process 500 includes receiving at least one on-demand SIB1 transmission in a set of S IB1 occasions.
- a SIB1 occasion of the set of SIB1 occasions may include a resource via which the UE is configured to monitor a physical downlink control channel carrying scheduling information for the UE to receive a physical downlink shared channel transmission carrying a SIB1.
- a SIB1 occasion of the set of SIB1 occasions may include a resource via which the UE is configured to receive a physical downlink shared channel transmission carrying a SIB1.
- process 500 includes obtaining an indication of the set of SIB1 occasions.
- obtaining the indication of the set of SIB1 occasions comprises receiving an RRC message that includes the indication of the set of SIB1 occasions.
- obtaining the indication of the set of SIB1 occasions comprises receiving a MAC CE that includes the indication of the set of SIB1 occasions.
- obtaining the indication of the set of SIB1 occasions comprises receiving DCI that includes the indication of the set of SIB1 occasions.
- the UE comprises a memory, and obtaining the indication of the set of SIB1 occasions comprises retrieving the indication of the set of SIB1 occasions from the memory.
- the set of SIB1 occasions comprises a plurality of consecutive SIB1 occasions. In a fifteenth aspect, alone or in combination with one or more of the eighth through fourteenth aspects, the set of SIB1 occasions comprises a plurality of non-consecutive SIB1 occasions.
- process 500 includes receiving at least one repetition of an initial SIB1 transmission in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- process 500 includes receiving, in at least one additional SIB1 repetition occasion of the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- process 500 includes receiving, in a SIB1 occasion that is excluded from the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- process 500 includes obtaining a repetition factor associated with the at least one repetition of the initial SIB1 transmission, wherein the repetition factor corresponds to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- obtaining the repetition factor comprises receiving an S SB that indicates the repetition factor.
- the UE comprises a memory, and obtaining the repetition factor comprises retrieving the repetition factor from the memory.
- the SIB1 request resource configuration is indicative of one or more uplink resources configured for carrying the on-demand SIB1 request.
- the on-demand SIB1 request comprises a request for transmission of a SIB1.
- process 500 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 5. Additionally, or alternatively, two or more of the blocks of process 500 may be performed in parallel.
- Fig. 6 is a diagram illustrating an example process 600 performed, for example, by a network node, in accordance with the present disclosure.
- Example process 600 is an example where the network node (e.g., network node 404) performs operations associated with SIB1 request configurations.
- process 600 may include transmitting an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request (block 610) .
- the network node e.g., using communication manager 808 and/or transmission component 804, depicted in Fig. 8
- process 600 may include receiving the on-demand SIB1 request based on the SIB1 request resource configuration (block 620) .
- the network node e.g., using communication manager 808 and/or reception component 802, depicted in Fig. 8
- Process 600 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
- transmitting the indication of the SIB1 request resource configuration comprises transmitting an indication communication comprising at least one bit that indicates the SIB1 request resource configuration.
- the indication communication comprises an S SB.
- the indication communication comprises a MIB.
- the indication communication comprises at least one of a PSS or an SSS.
- process 600 includes transmitting configuration information indicative of the plurality of SIB1 request resource configurations.
- transmitting the configuration information comprises transmitting an initial SIB1 corresponding to a set of pre-configured SIB1 resources.
- the set of pre-configured SIB1 resources corresponds to a subset of a set of SIB1 cycles.
- process 600 includes transmitting at least one on-demand SIB1 transmission in a set of SIB1 occasions.
- a SIB1 occasion of the set of SIB1 occasions may include a resource via which the UE is configured to monitor a physical downlink control channel carrying scheduling information for the UE to receive a physical downlink shared channel transmission carrying a SIB1.
- a SIB1 occasion of the set of SIB1 occasions may include a resource via which the UE is configured to receive a physical downlink shared channel transmission carrying a SIB1.
- process 600 includes transmitting an indication of the set of SIB1 occasions.
- transmitting the indication of the set of SIB1 occasions comprises transmitting an RRC message that includes the indication of the set of SIB1 occasions.
- transmitting the indication of the set of SIB1 occasions comprises transmitting a MAC CE that includes the indication of the set of SIB1 occasions.
- transmitting the indication of the set of SIB1 occasions comprises transmitting DCI that includes the indication of the set of SIB1 occasions.
- the set of SIB1 occasions comprises a plurality of consecutive SIB1 occasions. In a fourteenth aspect, alone or in combination with one or more of the eighth through thirteenth aspects, the set of SIB1 occasions comprises a plurality of non-consecutive SIB1 occasions.
- process 600 includes transmitting at least one repetition of an initial SIB1 transmission in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- process 600 includes transmitting, in at least one additional SIB1 repetition occasion of the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- process 600 includes transmitting, in a SIB1 occasion that is excluded from the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- process 600 includes transmitting an indication of a repetition factor associated with the at least one repetition of the initial SIB1 transmission, wherein the repetition factor corresponds to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- transmitting the indication of the repetition factor comprises transmitting an S SB that indicates the repetition factor.
- the SIB1 request resource configuration is indicative of one or more uplink resources configured for carrying the on-demand SIB1 request.
- the on-demand SIB1 request comprises a request for transmission of a SIB1.
- process 600 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 6. Additionally, or alternatively, two or more of the blocks of process 600 may be performed in parallel.
- Fig. 7 is a diagram of an example apparatus 700 for wireless communication, in accordance with the present disclosure.
- the apparatus 700 may be a UE, or a UE may include the apparatus 700.
- the apparatus 700 includes a reception component 702 and a transmission component 704, which may be in communication with one another (for example, via one or more buses and/or one or more other components) .
- the apparatus 700 may communicate with another apparatus 706 (such as a UE, a base station, or another wireless communication device) using the reception component 702 and the transmission component 704.
- the apparatus 700 may include a communication manager 708.
- the apparatus 700 may be configured to perform one or more operations described herein in connection with Fig. 4. Additionally, or alternatively, the apparatus 700 may be configured to perform one or more processes described herein, such as process 500 of Fig. 5.
- the apparatus 700 and/or one or more components shown in Fig. 7 may include one or more components of the UE described in connection with Fig. 2. Additionally, or alternatively, one or more components shown in Fig. 7 may be implemented within one or more components described in connection with Fig. 2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in a memory.
- a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or a processor to perform the functions or operations of the component.
- the reception component 702 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 706.
- the reception component 702 may provide received communications to one or more other components of the apparatus 700.
- the reception component 702 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples) , and may provide the processed signals to the one or more other components of the apparatus 700.
- the reception component 702 may include one or more antennas, a modem, a demodulator, a MIMO detector, a receive processor, a controller/processor, a memory, or a combination thereof, of the UE described in connection with Fig. 2.
- the transmission component 704 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 706.
- one or more other components of the apparatus 700 may generate communications and may provide the generated communications to the transmission component 704 for transmission to the apparatus 706.
- the transmission component 704 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples) , and may transmit the processed signals to the apparatus 706.
- the transmission component 704 may include one or more antennas, a modem, a modulator, a transmit MIMO processor, a transmit processor, a controller/processor, a memory, or a combination thereof, of the UE described in connection with Fig. 2. In some aspects, the transmission component 704 may be co-located with the reception component 702 in a transceiver.
- the communication manager 708 and/or the reception component 702 may obtain configuration information indicative of a plurality of SIB1 request resource configurations.
- the communication manager 708 may include one or more antennas, a modem, a controller/processor, a memory, or a combination thereof, of the UE described in connection with Fig. 2.
- the communication manager 708 may include the reception component 702 and/or the transmission component 704.
- the communication manager may be, be similar to, include, or be included in, the communication manager 140 depicted in Figs. 1 and 2.
- the communication manager 708 and/or the reception component 702 may obtain an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request.
- the communication manager 708 and/or the transmission component 704 may transmit the on-demand SIB1 request based on the SIB1 request resource configuration.
- the communication manager 708 and/or the reception component 702 may receive at least one on-demand SIB1 transmission in a set of SIB1 occasions.
- the communication manager 708 and/or the reception component 702 may obtain an indication of the set of SIB1 occasions.
- the communication manager 708 and/or the reception component 702 may receive at least one repetition of an initial SIB1 transmission in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- the communication manager 708 and/or the reception component 702 may receive, in at least one additional SIB1 repetition occasion of the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- the communication manager 708 and/or the reception component 702 may receive, in a SIB1 occasion that is excluded from the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- the communication manager 708 and/or the reception component 702 may obtain a repetition factor associated with the at least one repetition of the initial SIB1 transmission, wherein the repetition factor corresponds to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- Fig. 7 The number and arrangement of components shown in Fig. 7 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig. 7. Furthermore, two or more components shown in Fig. 7 may be implemented within a single component, or a single component shown in Fig. 7 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig. 7 may perform one or more functions described as being performed by another set of components shown in Fig. 7.
- Fig. 8 is a diagram of an example apparatus 800 for wireless communication, in accordance with the present disclosure.
- the apparatus 800 may be a network node, or a network node may include the apparatus 800.
- the apparatus 800 includes a reception component 802 and a transmission component 804, which may be in communication with one another (for example, via one or more buses and/or one or more other components) .
- the apparatus 800 may communicate with another apparatus 806 (such as a UE, a base station, or another wireless communication device) using the reception component 802 and the transmission component 804.
- the apparatus 800 may include a communication manager 808.
- the apparatus 800 may be configured to perform one or more operations described herein in connection with Fig. 4. Additionally, or alternatively, the apparatus 800 may be configured to perform one or more processes described herein, such as process 600 of Fig. 6.
- the apparatus 800 and/or one or more components shown in Fig. 8 may include one or more components of the network node described in connection with Fig. 2. Additionally, or alternatively, one or more components shown in Fig. 8 may be implemented within one or more components described in connection with Fig. 2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer-readable medium and executable by a controller or a processor to perform the functions or operations of the component.
- the reception component 802 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 806.
- the reception component 802 may provide received communications to one or more other components of the apparatus 800.
- the reception component 802 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples) , and may provide the processed signals to the one or more other components of the apparatus 800.
- the reception component 802 may include one or more antennas, a modem, a demodulator, a MiMO detector, a receive processor, a controller/processor, a memory, or a combination thereof, of the network node described in connection with Fig. 2.
- the transmission component 804 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 806.
- one or more other components of the apparatus 800 may generate communications and may provide the generated communications to the transmission component 804 for transmission to the apparatus 806.
- the transmission component 804 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples) , and may transmit the processed signals to the apparatus 806.
- the transmission component 804 may include one or more antennas, a modem, a modulator, a transmit MiMO processor, a transmit processor, a controller/processor, a memory, or a combination thereof, of the network node described in connection with Fig. 2. in some aspects, the transmission component 804 may be co-located with the reception component 802 in a transceiver.
- the communication manager 808 and/or the transmission component 804 may transmit an indication of a SIB1 request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request.
- the communication manager 808 may include one or more antennas, a modem, a controller/processor, a memory, or a combination thereof, of the network node described in connection with Fig. 2.
- the communication manager 808 may include the reception component 802 and/or the transmission component 804.
- the communication manager may be, be similar to, include, or be included in, the communication manager 150 depicted in Figs. 1 and 2
- the communication manager 808 and/or the reception component 802 may receive the on-demand SIB1 request based on the SIB1 request resource configuration.
- the communication manager 808 and/or the transmission component 804 may transmit configuration information indicative of the plurality of SIB1 request resource configurations.
- the communication manager 808 and/or the transmission component 804 may transmit at least one on-demand SIB1 transmission in a set of SIB1 occasions.
- the communication manager 808 and/or the transmission component 804 may transmit an indication of the set of SIB1 occasions.
- the communication manager 808 and/or the transmission component 804 may transmit at least one repetition of an initial SIB1 transmission in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- the communication manager 808 and/or the transmission component 804 may transmit, in at least one additional SIB1 repetition occasion of the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- the communication manager 808 and/or the transmission component 804 may transmit, in a SIB1 occasion that is excluded from the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- the communication manager 808 and/or the transmission component 804 may transmit an indication of a repetition factor associated with the at least one repetition of the initial SIB1 transmission, wherein the repetition factor corresponds to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- Fig. 8 The number and arrangement of components shown in Fig. 8 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig. 8. Furthermore, two or more components shown in Fig. 8 may be implemented within a single component, or a single component shown in Fig. 8 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig. 8 may perform one or more functions described as being performed by another set of components shown in Fig. 8.
- a method of wireless communication performed by a user equipment (UE) comprising: obtaining configuration information indicative of a plurality of system information block 1 (SIB1) request resource configurations; obtaining an indication of a SIB1 request resource configuration, of the plurality of SIB1 request resource configurations, to be used for transmitting an on-demand SIB1 request; and transmitting the on-demand SIB1 request based on the SIB1 request resource configuration.
- SIB1 system information block 1
- Aspect 2 The method of Aspect 1, wherein obtaining the indication of the SIB1 request resource configuration comprises receiving an indication communication comprising at least one bit that indicates the SIB1 request resource configuration.
- Aspect 3 The method of Aspect 2, wherein the indication communication comprises a synchronization signal block.
- Aspect 4 The method of either of Aspects 2 or 3, wherein the indication communication comprises a master information block.
- Aspect 5 The method of any of Aspects 2-4, wherein the indication communication comprises at least one of a primary synchronization signal or a secondary synchronization signal.
- Aspect 6 The method of any of Aspects 1-5, wherein the UE comprises a memory, and wherein obtaining the configuration information comprises retrieving the configuration information from a memory.
- Aspect 7 The method of any of Aspects 1-6, wherein obtaining the configuration information comprises receiving an initial SIB1 corresponding to a set of pre-configured SIB1 resources.
- Aspect 8 The method of Aspect 7, wherein the set of pre-configured SIB1 resources corresponds to a subset of a set of S IB 1 cycles.
- Aspect 9 The method of any of Aspects 1-8, the method further comprising receiving at least one on-demand SIB1 transmission in a set of SIB1 occasions.
- Aspect 10 The method of Aspect 9, further comprising obtaining an indication of the set of SIB1 occasions.
- Aspect 11 The method of Aspect 10, wherein obtaining the indication of the set of SIB1 occasions comprises receiving a radio resource control message that includes the indication of the set of SIB1 occasions.
- Aspect 12 The method of Aspect 10, wherein obtaining the indication of the set of SIB1 occasions comprises receiving a medium access control control element that includes the indication of the set of SIB1 occasions.
- Aspect 13 The method of Aspect 10, wherein obtaining the indication of the set of SIB1 occasions comprises receiving downlink control information that includes the indication of the set o f S IB 1 occasions.
- Aspect 14 The method of Aspect 10, wherein the UE comprises a memory, and wherein obtaining the indication of the set of SIB1 occasions comprises retrieving the indication of the set of SIB1 occasions from the memory.
- Aspect 15 The method of any of Aspects 9-14, wherein the set of SIB1 occasions comprises a plurality of consecutive SIB1 occasions.
- Aspect 16 The method of any of Aspects 9-14, wherein the set of SIB1 occasions comprises a plurality of non-consecutive SIB1 occasions.
- Aspect 17 The method of any of Aspects 1-16, further comprising receiving at least one repetition of an initial SIB1 transmission in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- Aspect 18 The method of Aspect 17, further comprising receiving, in at least one additional SIB1 repetition occasion of the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- Aspect 19 The method of Aspect 17, further comprising receiving, in a SIB1 occasion that is excluded from the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- Aspect 20 The method of any of Aspects 17-19, further comprising obtaining a repetition factor associated with the at least one repetition of the initial SIB1 transmission, wherein the repetition factor corresponds to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- Aspect 21 The method of Aspect 20, wherein obtaining the repetition factor comprises receiving a synchronization signal block that indicates the repetition factor.
- Aspect 22 The method of Aspect 20, wherein the UE comprises a memory, and wherein obtaining the repetition factor comprises retrieving the repetition factor from the memory.
- Aspect 23 The method of any of Aspects 1-22, wherein the S IB 1 request resource configuration is indicative of one or more uplink resources configured for carrying the on-demand SIB1 request.
- Aspect 24 The method of any of Aspects 1-23, wherein the on-demand SIB1 request comprises a request for transmission of a SIB1.
- a method of wireless communication performed by a network node comprising: transmitting an indication of a system information block 1 (SIB1) request resource configuration, of a plurality of SIB1 request resource configurations, to be used for receiving an on-demand SIB1 request; and receiving the on-demand SIB1 request based on the SIB1 request resource configuration.
- SIB1 system information block 1
- Aspect 26 The method of Aspect 25, wherein transmitting the indication of the SIB1 request resource configuration comprises transmitting an indication communication comprising at least one bit that indicates the SIB1 request resource configuration.
- Aspect 27 The method of Aspect 26, wherein the indication communication comprises a synchronization signal block.
- Aspect 28 The method of either of Aspects 26 or 27, wherein the indication communication comprises a master information block.
- Aspect 29 The method of any of Aspects 26-28, wherein the indication communication comprises at least one of a primary synchronization signal or a secondary synchronization signal.
- Aspect 30 The method of any of Aspects 25-29, further comprising transmitting configuration information indicative of the plurality of SIB1 request resource configurations.
- Aspect 31 The method of Aspect 30, wherein transmitting the configuration information comprises transmitting an initial SIB1 corresponding to a set of pre-configured SIB1 resources.
- Aspect 32 The method of Aspect 31, wherein the set of pre-configured SIB1 resources corresponds to a subset of a set of SIB1 cycles.
- Aspect 33 The method of any of Aspects 25-32, the method further comprising transmitting at least one on-demand SIB1 transmission in a set of SIB1 occasions.
- Aspect 34 The method of Aspect 33, further comprising transmitting an indication of the set of SIB1 occasions.
- Aspect 35 The method of Aspect 34, wherein transmitting the indication of the set of SIB1 occasions comprises transmitting a radio resource control message that includes the indication of the set of SIB1 occasions.
- Aspect 36 The method of Aspect 34, wherein transmitting the indication of the set of SIB1 occasions comprises transmitting a medium access control control element that includes the indication of the set of SIB1 occasions.
- Aspect 37 The method of Aspect 34, wherein transmitting the indication of the set of SIB1 occasions comprises transmitting downlink control information that includes the indication of the set of SIB1 occasions.
- Aspect 38 The method of any of Aspects 33-37, wherein the set of SIB1 occasions comprises a plurality of consecutive SIB1 occasions.
- Aspect 39 The method of any of Aspects 33-37, wherein the set of SIB1 occasions comprises a plurality of non-consecutive SIB1 occasions.
- Aspect 40 The method of any of Aspects 25-39, further comprising transmitting at least one repetition of an initial SIB1 transmission in at least one SIB1 repetition occasion of a plurality of configured SIB1 repetition occasions.
- Aspect 41 The method of Aspect 40, further comprising transmitting, in at least one additional SIB1 repetition occasion of the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- Aspect 42 The method of Aspect 40, further comprising transmitting, in a SIB1 occasion that is excluded from the plurality of configured SIB1 repetition occasions, an on-demand SIB1 based on the on-demand SIB1 request.
- Aspect 43 The method of any of Aspects 40-42, further comprising transmitting an indication of a repetition factor associated with the at least one repetition of the initial SIB1 transmission, wherein the repetition factor corresponds to a quantity of repetitions of the at least one repetition of the initial SIB1 transmission.
- Aspect 44 The method of Aspect 43, wherein transmitting the indication of the repetition factor comprises transmitting a synchronization signal block that indicates the repetition factor.
- Aspect 45 The method of any of Aspects 25-44, wherein the SIB1 request resource configuration is indicative of one or more uplink resources configured for carrying the on-demand SIB1 request.
- Aspect 46 The method of any of Aspects 25-45, wherein the on-demand SIB1 request comprises a request for transmission ofa SIB1.
- Aspect 47 The method of either of Aspects 9 or 33, wherein a SIB1 occasion of the set of SIB1 occasions comprises a resource via which the UE is configured to monitor a physical downlink control channel carrying scheduling information for the UE to receive a physical downlink shared channel transmission carrying a SIB1.
- Aspect 48 The method of either of Aspects 9 or 33, wherein a SIB1 occasion of the set of SIB1 occasions comprises a resource via which the UE is configured to receive a physical downlink shared channel transmission carrying a SIB1.
- Aspect 49 An apparatus for wireless communication at a device, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of one or more of Aspects 1-24, 47, or 48.
- Aspect 50 A device for wireless communication, comprising a memory and one or more processors coupled to the memory, the one or more processors configured to perform the method of one or more of Aspects 1-24, 47, or 48.
- Aspect 51 An apparatus for wireless communication, comprising at least one means for performing the method of one or more of Aspects 1-24, 47, or 48.
- Aspect 52 A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of Aspects 1-24, 47, or 48.
- Aspect 53 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 1-24, 47, or 48.
- Aspect 54 An apparatus for wireless communication at a device, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of one or more of Aspects 25-46, 47, or 48.
- Aspect 55 A device for wireless communication, comprising a memory and one or more processors coupled to the memory, the one or more processors configured to perform the method of one or more of Aspects 25-46, 47, or 48.
- Aspect 56 An apparatus for wireless communication, comprising at least one means for performing the method of one or more of Aspects 25-46, 47, or 48.
- Aspect 57 A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of Aspects 25-46, 47, or 48.
- Aspect 58 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 25-46, 47, or 48.
- the term “component” is intended to be broadly construed as hardware, firmware, or a combination of hardware and software.
- a processor is implemented in hardware, firmware, or a combination of hardware and software.
- the phrase “based on” is intended to be broadly construed to mean “based at least in part on. ”
- “satisfying a threshold” may, depending on the context, refer to a value being greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, or not equal to the threshold, among other examples.
- a phrase referring to “at least one of” a list of items refers to any combination of those items, including single members.
- “at least one of: a, b, or c” is intended to cover: a, b, c, a + b, a + c, b + c, and a + b + c.
- the articles “a” and “an” are intended to include one or more items and may be used interchangeably with “one or more. ”
- the article “the” is intended to include one or more items referenced in connection with the article “the” and may be used interchangeably with “the one or more. ”
- the terms “set” and “group” are intended to include one or more items (for example, related items, unrelated items, or a combination of related and unrelated items) , and may be used interchangeably with “one or more. ” Where only one item is intended, the phrase “only one” or similar language is used.
- the terms “has, ” “have, ” “having, ” and similar terms are intended to be open-ended terms that do not limit an element that they modify (for example, an element “having” A also may have B) .
- the term “or” is intended to be inclusive when used in a series and may be used interchangeably with “and/or, ” unless explicitly stated otherwise (for example, ifused in combination with “either” or “only one of”) .
- the hardware and data processing apparatus used to implement the various illustrative logics, logical blocks, modules and circuits described in connection with the aspects disclosed herein may be implemented or performed with a general purpose single-or multi-chip processor, a digital signal processor (DSP) , an application specific integrated circuit (ASIC) , a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein.
- a general purpose processor may be a microprocessor, or any conventional processor, controller, microcontroller, or state machine.
- a processor also may be implemented as a combination of computing devices, for example, a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
- particular processes and methods may be performed by circuitry that is specific to a given function.
- the functions described may be implemented in hardware, digital electronic circuitry, computer software, firmware, including the structures disclosed in this specification and their structural equivalents thereof, or in any combination thereof.
- aspects of the subject matter described in this specification also can be implemented as one or more computer programs (such as one or more modules of computer program instructions) encoded on a computer storage media for execution by, or to control the operation of, a data processing apparatus.
- Computer-readable media includes both computer storage media and communication media including any medium that can be enabled to transfer a computer program from one place to another.
- a storage media may be any available media that may be accessed by a computer.
- such computer-readable media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that may be used to store desired program code in the form of instructions or data structures and that may be accessed by a computer.
- Disk and disc includes compact disc (CD) , laser disc, optical disc, digital versatile disc (DVD) , floppy disk, and Blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the media described herein should also be included within the scope of computer-readable media. Additionally, the operations of a method or algorithm may reside as one or any combination or set of codes and instructions on a machine readable medium and computer-readable medium, which may be incorporated into a computer program product.
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Abstract
Divers aspects de la présente divulgation portent, en général, sur le domaine de la communication sans fil. Selon certains aspects, un équipement utilisateur (UE) peut obtenir des informations de configuration indiquant une pluralité de configurations de ressources de requête de bloc 1 d'informations système (SIB1). L'UE peut obtenir une indication d'une configuration de ressources de requête SIB1, de la pluralité de configurations de ressources de requête SIB1, à utiliser pour transmettre une requête SIB 1 sur demande. L'UE peut transmettre la requête SIB1 sur demande en fonction de la configuration de ressources de requête SIB1. La divulgation concerne également de nombreux autres aspects.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2022/111630 WO2024031498A1 (fr) | 2022-08-11 | 2022-08-11 | Techniques pour des configurations de requête de bloc 1 d'informations système |
CNPCT/CN2022/111630 | 2022-08-11 |
Publications (1)
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CN111800778A (zh) * | 2019-04-03 | 2020-10-20 | 苹果公司 | 按需系统信息块获取 |
CN112055370A (zh) * | 2019-06-06 | 2020-12-08 | 大唐移动通信设备有限公司 | 一种按需系统信息获取方法和装置 |
US20210258986A1 (en) * | 2018-06-07 | 2021-08-19 | Sharp Kabushiki Kaisha | Method implemented by user equipment and user equipment |
CN113475122A (zh) * | 2019-02-14 | 2021-10-01 | 高通股份有限公司 | 按需系统信息触发 |
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US20210258986A1 (en) * | 2018-06-07 | 2021-08-19 | Sharp Kabushiki Kaisha | Method implemented by user equipment and user equipment |
CN113475122A (zh) * | 2019-02-14 | 2021-10-01 | 高通股份有限公司 | 按需系统信息触发 |
CN111800778A (zh) * | 2019-04-03 | 2020-10-20 | 苹果公司 | 按需系统信息块获取 |
CN112055370A (zh) * | 2019-06-06 | 2020-12-08 | 大唐移动通信设备有限公司 | 一种按需系统信息获取方法和装置 |
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INTEL CORPORATION: "Remaining issues on on-demand System Information", 3GPP DRAFT; R2-1802960-SYSINFO_V00, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Athens,Greece; 20180226 - 20180302, 16 February 2018 (2018-02-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051400319 * |
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