[go: up one dir, main page]

WO2025236750A1 - Transmission en liaison montante - Google Patents

Transmission en liaison montante

Info

Publication number
WO2025236750A1
WO2025236750A1 PCT/CN2025/073768 CN2025073768W WO2025236750A1 WO 2025236750 A1 WO2025236750 A1 WO 2025236750A1 CN 2025073768 W CN2025073768 W CN 2025073768W WO 2025236750 A1 WO2025236750 A1 WO 2025236750A1
Authority
WO
WIPO (PCT)
Prior art keywords
trp
processor
transmission
tag
offset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/073768
Other languages
English (en)
Inventor
Ran YUE
Lianhai WU
Haiming Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lenovo Beijing Ltd
Original Assignee
Lenovo Beijing Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lenovo Beijing Ltd filed Critical Lenovo Beijing Ltd
Priority to PCT/CN2025/073768 priority Critical patent/WO2025236750A1/fr
Publication of WO2025236750A1 publication Critical patent/WO2025236750A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present disclosure relates to wireless communications, and more specifically to user equipment (UE) , network nodes and methods for supporting uplink (UL) transmission.
  • UE user equipment
  • UL uplink
  • a wireless communications system may include one or multiple network communication devices, such as base stations, which may be otherwise known as an eNodeB (eNB) , a next-generation NodeB (gNB) , or other suitable terminology.
  • Each network communication devices such as a base station may support wireless communications for one or multiple user communication devices, which may be otherwise known as UE, or other suitable terminology.
  • the wireless communications system may support wireless communications with one or multiple user communication devices by utilizing resources of the wireless communication system (e.g., time resources (e.g., symbols, slots, subframes, frames, or the like) or frequency resources (e.g., subcarriers, carriers) .
  • the wireless communications system may support wireless communications across various radio access technologies including third generation (3G) radio access technology, fourth generation (4G) radio access technology, fifth generation (5G) radio access technology, among other suitable radio access technologies beyond 5G (e.g., sixth generation (6G) ) .
  • 3G third generation
  • 4G fourth generation
  • 5G fifth generation
  • 6G sixth generation
  • TCI transmission configuration indicator
  • PL path loss
  • the present disclosure relates to UE, network nodes and methods that support UL transmission.
  • UL transmission in asymmetric DL sTRP/UL mTRP deployment scenarios may be achieved.
  • Some implementations of a UE described herein may include a processor and a transceiver coupled to the processor, wherein the processor is configured to: receive, via the transceiver from a network node, a configuration for a UL only TRP; and maintain or clear information related to the UL only TRP.
  • the processor is further configured to select the UL only TRP for UL transmission based on one of the following: a first threshold for channel quality, or a second threshold for payload to be transmitted by the UE or payload that the UE is transmitting, wherein the UE expects to receive DL transmission from the first TRP.
  • the processor is configured to select the UL only TRP for UL transmission based on the first threshold by: based on determining that channel quality between the UE and the first TRP is below the first threshold, select the UL only TRP for the UL transmission; or based on determining that the channel quality between the UE and the first TRP is above the first threshold, select the first TRP for the UL transmission.
  • the processor is configured to select the UL only TRP for UL transmission based on the second threshold by: based on determining that a first payload to be transmitted by the UE or a second payload that the UE is transmitting is above the second threshold, select the UL only TRP for the UL transmission; or based on determining that the first payload to be transmitted by the UE or the second payload that the UE is transmitting is below the second threshold, select a first TRP for the UL transmission.
  • the processor is further configured to: select the UL only TRP or a first TRP for UL transmission based on predefinition or pre-configuration, wherein the UE expects to receive DL transmission from the first TRP.
  • the processor is further configured to: based on determining that multiple UL resources are available for UL transmission, select one of multiple TRPs comprising the UL only TRP for the UL transmission, wherein the selected TRP is associated with a nearest UL resource among the multiple UL resources.
  • the information related to the UL only TRP comprises a first TCI state associated with a PL offset.
  • the processor is further configured to: receive an indication via the transceiver from the network node, wherein the indication indicates whether the first TCI state associated with a first UL resource is associated with the PL offset.
  • the processor is further configured to: receive, via the transceiver from the network node, a first configuration for the first UL resource associated with at least one TCI state comprising the first TCI state.
  • the first configuration for the first UL resource comprises the indication.
  • the first UL resource comprises a type 2 configured grant (CG) .
  • the processor is configured to receive the indication by:receiving, via the transceiver from the network node, a signaling indicating the type 2 CG is activated, wherein the signaling comprises the indication.
  • the processor is configured to receive the indication by:receiving, via the transceiver from the network node, a cell switch command comprising the indication.
  • the PL offset is associated with a first timing advance group (TAG) .
  • the processor is configured to maintain the information related to the UL only TRP by: based on determining that a first timing advance timer (TAT) associated with the first TAG expires, maintaining the PL offset.
  • TAG timing advance group
  • the processor is configured to maintain the PL offset by:maintaining the PL offset until the PL offset is considered as invalid.
  • the processor is further configured to: based on determining that the first TAT associated with the first TAG expires, initiate a random access procedure towards the UL only TRP.
  • the information related to the UL only TRP further comprises a timing advance (TA) value associated with the PL offset, and the PL offset is associated with a first TAG.
  • the processor is configured to clear the information related to the UL only TRP by: based on determining that a first TAT associated with the first TAG expires, clear the TA value.
  • the processor is further configured to: based on determining that the first TAT associated with the first TAG expires, initiate a random access procedure towards a first TRP, wherein the UE expects to receive DL transmission from.
  • the UL only TRP is associated with a first TAG.
  • the processor is further configured to: based on determining that a first TAT associated with the first TAG expires, initiate a random access procedure towards a first TRP, wherein the UE expects to receive DL transmission from the first TRP.
  • the PL offset is associated with a first TAG.
  • the processor is further configured to: based on determining that a first TAT associated with the first TAG expires and a second TAT associated with a second TAG is running, release association between a first UL resource and the UL only TRP, and associate the first UL resource with a first TRP associated with the second TAG, wherein the UE expects to receive DL transmission from the first TRP.
  • the UL only TRP is associated with a first TAG
  • a first TRP is associated with a second TAG
  • the processor is further configured to: based on determining that a second TAT associated with the second TAG expires and a first TAT associated with the first TAG is running, release association between a second UL resource and the first TRP, and associate the second UL resource with the UL only TRP.
  • the processor is further configured to: receive, via the transceiver from the network node, a radio resource control signaling comprising an updated PL offset; and based on determining that RRC is not allowed to update PL offset, ignore the updated PL offset.
  • the processor is further configured to: based on determining that the UE is released to a radio resource control (RRC) INACTIVE state in a cell, store the PL offset.
  • RRC radio resource control
  • the processor is further configured to: based on determining that the UE resumes RRC connection in the cell, restore or resume the PL offset, and use the PL offset.
  • Some implementations of a first network node described herein may include a processor and a transceiver coupled to the processor, wherein the processor is configured to: determine at least one path loss (PL) offset associated with a UL only TRP; and transmit the at least one PL offset via the transceiver to a second network node.
  • PL path loss
  • the first network node comprises a distributed unit (DU) of a base station
  • the second network node comprises a central unit (CU) of the base station.
  • DU distributed unit
  • CU central unit
  • the first network node comprises the CU
  • the second network node comprises the DU
  • Some implementations of a method described herein may include: receiving, from a network node, a configuration for a UL only TRP; and maintaining or clearing information related to the UL only TRP.
  • Some implementations of a method described herein may include: determining at least one PL offset associated with a UL only TRP; and transmitting the at least one PL offset to a second network node.
  • Some implementations of a processor described herein may include at least one memory and a controller coupled with the at least one memory and configured to cause the controller to: receive, via a transceiver from a network node, a configuration for a UL only TRP; and maintain or clear information related to the UL only TRP.
  • Fig. 1 illustrates an example of a wireless communications system that supports UL transmission in accordance with aspects of the present disclosure
  • Fig. 2 illustrates an example of a wireless communications system that supports UL transmission in accordance with aspects of the present disclosure
  • FIG. 3 illustrate a flowchart of a method that supports UL transmission in accordance with aspects of the present disclosure
  • Fig. 4 illustrates an example of UL resources in accordance with some aspects of the present disclosure
  • Fig. 5 illustrate a flowchart of a method that supports UL transmission in accordance with aspects of the present disclosure
  • Fig. 6 illustrates an example of a device that supports UL transmission in accordance with some aspects of the present disclosure
  • Fig. 7 illustrates an example of a processor that supports UL transmission in accordance with aspects of the present disclosure.
  • references in the present disclosure to “one embodiment, ” “an example embodiment, ” “an embodiment, ” “some embodiments, ” and the like indicate that the embodiment (s) described may include a particular feature, structure, or characteristic, but it is not necessary that every embodiment includes the particular feature, structure, or characteristic. Moreover, such phrases do not necessarily refer to the same embodiment (s) . Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
  • first and second or the like may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could also be termed as a second element, and similarly, a second element could also be termed as a first element, without departing from the scope of embodiments. As used herein, the term “and/or” includes any and all combinations of one or more of the listed terms.
  • the present disclosure provides a solution that supports UL transmission.
  • a UE receives, from a network node, a configuration for a UL only TRP.
  • the UE maintains or clears information related to the UL only TRP.
  • UL transmission in asymmetric DL sTRP/UL mTRP deployment scenarios may be achieved.
  • Fig. 1 illustrates an example of a wireless communications system 100 that supports UL transmission in accordance with aspects of the present disclosure.
  • the wireless communications system 100 may include one at least one of network entities 102 (also referred to as network equipment (NE) ) , one or more terminal devices or UEs 104, a core network 106, and a packet data network 108.
  • the wireless communications system 100 may support various radio access technologies.
  • the wireless communications system 100 may be a 4G network, such as an LTE network or an LTE-advanced (LTE-A) network.
  • LTE-A LTE-advanced
  • the wireless communications system 100 may be a 5G network, such as an NR network.
  • the wireless communications system 100 may be a combination of a 4G network and a 5G network, or other suitable radio access technology including institute of electrical and electronics engineers (IEEE) 802.11 (Wi-Fi) , IEEE 802.16 (WiMAX) , IEEE 802.20.
  • IEEE institute of electrical and electronics engineers
  • Wi-Fi Wi-Fi
  • WiMAX IEEE 802.16
  • IEEE 802.20 The wireless communications system 100 may support radio access technologies beyond 5G. Additionally, the wireless communications system 100 may support technologies, such as time division multiple access (TDMA) , frequency division multiple access (FDMA) , or code division multiple access (CDMA) , etc.
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • CDMA code division multiple access
  • the network entities 102 may be collectively referred to as network entities 102 or individually referred to as a network entity 102.
  • network entities 102 may be collectively referred to as network entities 102 or individually referred to as a network entity 102.
  • some implementations of the present disclosure will be described by taking a base station as an example of the network entity 102.
  • the network entity 102 may be used interchangeably with the base station 102.
  • the network entities 102 may be dispersed throughout a geographic region to form the wireless communications system 100.
  • One or more of the network entities 102 described herein may be or include or may be referred to as a network node, a base station (BS) , a network element, a radio access network (RAN) node, a base transceiver station, an access point, a NodeB, an eNodeB (eNB) , a next-generation NodeB (gNB) , or other suitable terminology.
  • a network entity 102 and a UE 104 may communicate via a communication link 110, which may be a wireless or wired connection.
  • a network entity 102 and a UE 104 may perform wireless communication (e.g., receive signalling, transmit signalling) over a Uu interface.
  • a network entity 102 may provide a geographic coverage area 112 for which the network entity 102 may support services (e.g., voice, video, packet data, messaging, broadcast, etc. ) for one or more UEs 104 within the geographic coverage area 112.
  • a network entity 102 and a UE 104 may support wireless communication of signals related to services (e.g., voice, video, packet data, messaging, broadcast, etc. ) according to one or multiple radio access technologies.
  • a network entity 102 may be moveable, for example, a satellite associated with a non-terrestrial network.
  • different geographic coverage areas 112 associated with the same or different radio access technologies may overlap, but the different geographic coverage areas 112 may be associated with different network entities 102.
  • Information and signals described herein may be represented using any of a variety of different technologies and techniques.
  • data, instructions, commands, information, signals, bits, symbols, and chips that may be referenced throughout the description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.
  • the one or more UEs 104 may be dispersed throughout a geographic region of the wireless communications system 100.
  • a UE 104 may include or may be referred to as a mobile device, a wireless device, a remote device, a remote unit, a handheld device, or a subscriber device, or some other suitable terminology.
  • the UE 104 may be referred to as a unit, a station, a terminal, or a client, among other examples.
  • the UE 104 may be referred to as an internet-of-things (IoT) device, an internet-of-everything (IoE) device, or machine-type communication (MTC) device, among other examples.
  • IoT internet-of-things
  • IoE internet-of-everything
  • MTC machine-type communication
  • a UE 104 may be stationary in the wireless communications system 100.
  • a UE 104 may be mobile in the wireless communications system 100.
  • the one or more UEs 104 may be devices in different forms or having different capabilities. Some examples of UEs 104 are illustrated in Fig. 1.
  • a UE 104 may be capable of communicating with various types of devices, such as the network entities 102, other UEs 104, or network equipment (e.g., the core network 106, the packet data network 108, a relay device, an integrated access and backhaul (IAB) node, or another network equipment) , as shown in Fig. 1.
  • a UE 104 may support communication with other network entities 102 or UEs 104, which may act as relays in the wireless communications system 100.
  • a UE 104 may also be able to support wireless communication directly with other UEs 104 over a communication link 114.
  • a UE 104 may support wireless communication directly with another UE 104 over a device-to-device (D2D) communication link.
  • D2D device-to-device
  • the communication link 114 may be referred to as a sidelink.
  • a UE 104 may support wireless communication directly with another UE 104 over a PC5 interface.
  • a network entity 102 may support communications with the core network 106, or with another network entity 102, or both.
  • a network entity 102 may interface with the core network 106 through one or more backhaul links 116 (e.g., via an S1, N2, N2, or another network interface) .
  • the network entities 102 may communicate with each other over the backhaul links 116 (e.g., via an X2, Xn, or another network interface) .
  • the network entities 102 may communicate with each other directly (e.g., between the network entities 102) .
  • the network entities 102 may communicate with each other or indirectly (e.g., via the core network 106) .
  • one or more network entities 102 may include subcomponents, such as an access network entity, which may be an example of an access node controller (ANC) .
  • An ANC may communicate with the one or more UEs 104 through one or more other access network transmission entities, which may be referred to as a radio heads, smart radio heads, or transmission-reception points (TRPs) .
  • TRPs transmission-reception points
  • the network entity 102 may be implemented as a satellite.
  • the network entity 102-3 may be implemented as a satellite.
  • network entity 102-3 is also referred to as a satellite 102-3.
  • the network entity 102-3 may have full or part of an eNB/gNB on board.
  • the communication link 110 between the satellite 102-3 and the UE 104, the communication link 116 between the satellite 102-3 and the network entity 102, and the communication link 116 between the satellite 102-3 and the core network 106 may be used for a non-terrestrial network (NTN) transparent mode.
  • NTN non-terrestrial network
  • the communication link 110 between the satellite 102-3 and the UE 104, and the communication link 116 between the satellite 102-3 (with a base station on board) and the core network 106 may be used for a NTN regenerative mode.
  • a network entity 102 may be configured in a disaggregated architecture, which may be configured to utilize a protocol stack physically or logically distributed among two or more network entities 102, such as an integrated access backhaul (IAB) network, an open radio access network (O-RAN) (e.g., a network configuration sponsored by the O-RAN Alliance) , or a virtualized RAN (vRAN) (e.g., a cloud RAN (C-RAN) ) .
  • IAB integrated access backhaul
  • O-RAN open radio access network
  • vRAN virtualized RAN
  • C-RAN cloud RAN
  • a network entity 102 may include one or more of a central unit (CU) , a distributed unit (DU) , a radio unit (RU) , a RAN intelligent controller (RIC) (e.g., a near-real time RIC (Near-RT RIC) , a non-real time RIC (Non-RT RIC) ) , a service management and orchestration (SMO) system, or any combination thereof.
  • CU central unit
  • DU distributed unit
  • RU radio unit
  • RIC RAN intelligent controller
  • SMO service management and orchestration
  • An RU may also be referred to as a radio head, a smart radio head, a remote radio head (RRH) , a remote radio unit (RRU) , or a transmission reception point (TRP) .
  • One or more components of the network entities 102 in a disaggregated RAN architecture may be co-located, or one or more components of the network entities 102 may be located in distributed locations (e.g., separate physical locations) .
  • one or more network entities 102 of a disaggregated RAN architecture may be implemented as virtual units (e.g., a virtual CU (VCU) , a virtual DU (VDU) , a virtual RU (VRU) ) .
  • VCU virtual CU
  • VDU virtual DU
  • VRU virtual RU
  • Split of functionality between a CU, a DU, and an RU may be flexible and may support different functionalities depending upon which functions (e.g., network layer functions, protocol layer functions, baseband functions, radio frequency functions, and any combinations thereof) are performed at a CU, a DU, or an RU.
  • functions e.g., network layer functions, protocol layer functions, baseband functions, radio frequency functions, and any combinations thereof
  • a functional split of a protocol stack may be employed between a CU and a DU such that the CU may support one or more layers of the protocol stack and the DU may support one or more different layers of the protocol stack.
  • the CU may host upper protocol layer (e.g., a layer 3 (L3) , a layer 2 (L2) ) functionality and signalling (e.g., radio resource control (RRC) , service data adaption protocol (SDAP) , packet data convergence protocol (PDCP) ) .
  • the CU may be connected to one or more DUs or RUs, and the one or more DUs or RUs may host lower protocol layers, such as a layer 1 (L1) (e.g., physical (PHY) layer) or an L2 (e.g., radio link control (RLC) layer, medium access control (MAC) layer) functionality and signalling, and may each be at least partially controlled by the CU 160.
  • L1 e.g., physical (PHY) layer
  • L2 e.g., radio link control (RLC) layer, medium access control (MAC) layer
  • a functional split of the protocol stack may be employed between a DU and an RU such that the DU may support one or more layers of the protocol stack and the RU may support one or more different layers of the protocol stack.
  • the DU may support one or multiple different cells (e.g., via one or more RUs) .
  • a functional split between a CU and a DU, or between a DU and an RU may be within a protocol layer (e.g., some functions for a protocol layer may be performed by one of a CU, a DU, or an RU, while other functions of the protocol layer are performed by a different one of the CU, the DU, or the RU) .
  • a CU may be functionally split further into CU control plane (CU-CP) and CU user plane (CU-UP) functions.
  • a CU may be connected to one or more DUs via a midhaul communication link (e.g., F1, F1-c, F1-u)
  • a DU may be connected to one or more RUs via a fronthaul communication link (e.g., open fronthaul (FH) interface)
  • FH open fronthaul
  • a midhaul communication link or a fronthaul communication link may be implemented in accordance with an interface (e.g., a channel) between layers of a protocol stack supported by respective network entities 102 that are in communication via such communication links.
  • the core network 106 may support user authentication, access authorization, tracking, connectivity, and other access, routing, or mobility functions.
  • the core network 106 may be an evolved packet core (EPC) , or a 5G core (5GC) , which may include a control plane entity that manages access and mobility (e.g., a mobility management entity (MME) , an access and mobility management functions (AMF) ) and a user plane entity that routes packets or interconnects to external networks (e.g., a serving gateway (S-GW) , a packet data network (PDN) gateway (P-GW) , or a user plane function (UPF) ) .
  • EPC evolved packet core
  • 5GC 5G core
  • MME mobility management entity
  • AMF access and mobility management functions
  • S-GW serving gateway
  • PDN gateway packet data network gateway
  • UPF user plane function
  • control plane entity may manage non-access stratum (NAS) functions, such as mobility, authentication, and bearer management (e.g., data bearers, signal bearers, etc. ) for the one or more UEs 104 served by the one or more network entities 102 associated with the core network 106.
  • NAS non-access stratum
  • the core network 106 may communicate with the packet data network 108 over one or more backhaul links 116 (e.g., via an S1, N2, N2, or another network interface) .
  • the packet data network 108 may include an application server 118.
  • one or more UEs 104 may communicate with the application server 118.
  • a UE 104 may establish a session (e.g., a protocol data unit (PDU) session, or the like) with the core network 106 via a network entity 102.
  • the core network 106 may route traffic (e.g., control information, data, and the like) between the UE 104 and the application server 118 using the established session (e.g., the established PDU session) .
  • the PDU session may be an example of a logical connection between the UE 104 and the core network 106 (e.g., one or more network functions of the core network 106) .
  • the network entities 102 and the UEs 104 may use resources of the wireless communications system 100 (e.g., time resources (e.g., symbols, slots, subframes, frames, or the like) or frequency resources (e.g., subcarriers, carriers) ) to perform various operations (e.g., wireless communications) .
  • the network entities 102 and the UEs 104 may support different resource structures.
  • the network entities 102 and the UEs 104 may support different frame structures.
  • the network entities 102 and the UEs 104 may support a single frame structure.
  • the network entities 102 and the UEs 104 may support various frame structures (i.e., multiple frame structures) .
  • the network entities 102 and the UEs 104 may support various frame structures based on one or more numerologies.
  • One or more numerologies may be supported in the wireless communications system 100, and a numerology may include a subcarrier spacing and a cyclic prefix.
  • a first subcarrier spacing e.g., 15 kHz
  • a normal cyclic prefix e.g. 15 kHz
  • the first numerology associated with the first subcarrier spacing (e.g., 15 kHz) may utilize one slot per subframe.
  • a time interval of a resource may be organized according to frames (also referred to as radio frames) .
  • Each frame may have a duration, for example, a 10 millisecond (ms) duration.
  • each frame may include multiple subframes.
  • each frame may include 10 subframes, and each subframe may have a duration, for example, a 1 ms duration.
  • each frame may have the same duration.
  • each subframe of a frame may have the same duration.
  • a time interval of a resource may be organized according to slots.
  • a subframe may include a number (e.g., quantity) of slots.
  • the number of slots in each subframe may also depend on the one or more numerologies supported in the wireless communications system 100.
  • Each slot may include a number (e.g., quantity) of symbols (e.g., OFDM symbols) .
  • the number (e.g., quantity) of slots for a subframe may depend on a numerology.
  • a slot For a normal cyclic prefix, a slot may include 14 symbols.
  • a slot For an extended cyclic prefix (e.g., applicable for 60 kHz subcarrier spacing) , a slot may include 12 symbols.
  • an electromagnetic (EM) spectrum may be split, based on frequency or wavelength, into various classes, frequency bands, frequency channels, etc.
  • the wireless communications system 100 may support one or multiple operating frequency bands, such as frequency range designations FR1 (510 MHz –7.125 GHz) , FR2 (24.25 GHz –52.6 GHz) , FR3 (7.125 GHz –24.25 GHz) , FR4 (52.6 GHz –114.25 GHz) , FR4a or FR4-1 (52.6 GHz –71 GHz) , and FR5 (114.25 GHz –300 GHz) .
  • FR1 510 MHz –7.125 GHz
  • FR2 24.25 GHz –52.6 GHz
  • FR3 7.125 GHz –24.25 GHz
  • FR4 (52.6 GHz –114.25 GHz)
  • FR4a or FR4-1 52.6 GHz –71 GHz
  • FR5 114.25 GHz
  • the network entities 102 and the UEs 104 may perform wireless communications over one or more of the operating frequency bands.
  • FR1 may be used by the network entities 102 and the UEs 104, among other equipment or devices for cellular communications traffic (e.g., control information, data) .
  • FR2 may be used by the network entities 102 and the UEs 104, among other equipment or devices for short-range, high data rate capabilities.
  • FR1 may be associated with one or multiple numerologies (e.g., at least three numerologies) .
  • FR2 may be associated with one or multiple numerologies (e.g., at least 2 numerologies) .
  • Fig. 2 illustrates an example of a wireless communications system 200 that supports UL transmission in accordance with aspects of the present disclosure.
  • the wireless communications system 200 may be considered as an example implementation of the wireless communications system 100 in Fig. 1.
  • the wireless communications system 200 may comprise UEs 210, 212, 214 and 216, UL only TRPs 220 and 222 as well as a first TRP 230.
  • each of the UEs 210, 212, 214 and 216 may be implemented as the UE 104 in Fig. 1.
  • each of the UL only TRPs 220 and 222 as well as the first TRP 230 may be implemented as the network entity 102 in Fig. 1.
  • the UE 210 may perform UL transmission toward at least one of the UL only TRP 220 and the first TRP 230.
  • the UE does not expect to receive DL transmission from UL TRP (s) , else, the UE may expect to receive DL transmission from UL TRP (s) .
  • each PL offset is associated with a joint/UL TCI state
  • the UE 210 does not expect to receive synchronization signal block (SSB) from the UL only TRP 220.
  • SSB synchronization signal block
  • the first TRP 230 is capable of DL transmission and UL reception.
  • the first TRP 230 is capable of DL transmission to any of the UEs 210, 212, 214 and 216.
  • Each of the UEs 210, 212, 214 and 216 may expect to receive DL transmission e.g. SSB from the first TRP 230.
  • the TRP is referred to as a UL TRP or a DL/UL capable TRP.
  • the first TRP 230 is also referred to as a UL TRP 230 or a DL/UL capable TRP 230.
  • the UE 212 may perform UL transmission toward at least one of the UL only TRP 220 and the first TRP 230.
  • the UE 212 does not expect to receive DL transmission e.g. SSB from the UL only TRP 220.
  • the UE 214 may only perform UL transmission toward the UL only TRP 222. The UE 214 does not expect to receive DL transmission from the UL only TRP 222.
  • the UE 216 may only perform UL transmission toward the first TRP 230.
  • the UE 212 may expect to receive DL transmission from the first TRP 230.
  • the wireless communications system 200 may comprise a further UE (not shown) which may perform UL transmissions toward more than one UL only TRPs.
  • Fig. 2 illustrates an asymmetric DL sTRP/UL mTRP deployment scenario.
  • the wireless communications system 200 comprises a DL sTRP (i.e., the first TRP 230) and UL mTRP (i.e., the UL only TRPs 220 and 222 as well as the first TRP 230) .
  • DL sTRP i.e., the first TRP 230
  • UL mTRP i.e., the UL only TRPs 220 and 222 as well as the first TRP 230
  • Fig. 3 illustrate a flowchart of a method 300 that supports UL transmission in accordance with aspects of the present disclosure.
  • the method 300 can be implemented at a UE, such as the UE 210, 212 or 214 as shown in Fig. 2.
  • a UE such as the UE 210, 212 or 214 as shown in Fig. 2.
  • the method 300 will be described with reference to Fig. 2 by taking the UE 210 as example.
  • the UE 210 receives, from the network node 102, a configuration for a UL only TRP.
  • the UE 210 maintains or clears information related to the UL only TRP.
  • multiple preconfigured UL resources may be configured on multiple TRPs (such as UL only TRPs 220 and 222 as well as the first TRP 230) and UL transmission from the UE 210 may be carried on any of the multiple TRPs.
  • the multiple preconfigured UL resources may comprise at least one of the following: CGs, resources for scheduling request (SR) , resources for first PUCCH related to a UE-initiated beam management procedure, resources for second PUSCH related to the UE-initiated beam management procedure, or channel state information (CSI) report resources.
  • SR scheduling request
  • CSI channel state information
  • the UE 210 may select the UL only TRP 220 for UL transmission based on a first threshold for channel quality.
  • the UE 210 may select the UL only TRP 220 for the UL transmission. If the channel quality between the UE 210 and the first TRP 230 is above the first threshold, the UE 210 may select the first TRP 230 for the UL transmission.
  • the UE 210 may select the UL only TRP 220 for the UL transmission. If the channel quality between the UE 210 and the first TRP 230 is below the first threshold, the UE 210 may select the first TRP 230 for the UL transmission.
  • the channel quality between the UE 210 and the first TRP 230 may be represented by measured reference signal received power (RSRP) or reference signal received quality (RSRQ) for which DL reference signal (RS) is associated with the first TRP 230.
  • RSRP measured reference signal received power
  • RSRQ reference signal received quality
  • the UE 210 may select the UL only TRP 220 for UL transmission based on a second threshold for payload to be transmitted or payload on the first TRP 230 from the UE 210.
  • the threshold may be a quantized value or a detailed value.
  • the payload may be quantified or use a calculated or estimated value.
  • the UE 210 may select the UL only TRP 220 for the UL transmission. If the first payload to be transmitted by the UE 210 or the second payload is below the second threshold, the UE 210 may select the first TRP 230 for the UL transmission.
  • the UE 210 may select the UL only TRP 220 for the UL transmission. If the first payload to be transmitted by the UE 210 or the second payload is above the second threshold, the UE 210 may select the first TRP 230 for the UL transmission.
  • the first payload to be transmitted by the UE 210 or the second payload may be represented by a buffer size of the UE 210 or the number of traffics to be transmitted or being transmitted toward the first TRP 230 or being transmitted toward the UL only TRP 220.
  • the UE 104 may select any of the multiple TRPs (such as UL only TRPs 220 and 222 as well as the first TRP 230) based on implementation of the UE 210.
  • the multiple UL resources may be preconfigured on the multiple TRPs.
  • the UE 210 may select the UL only TRP 220 or the first TRP 230 for UL transmission based on predefinition or pre-configuration.
  • the multiple UL resources may be preconfigured on the UL only TRP 220 and the first TRP 230.
  • the UE 210 may select one of multiple TRPs (such as UL only TRPs 220 and 222 as well as the first TRP 230) for the UL transmission.
  • the selected TRP is associated with a nearest UL resource among the multiple UL resources. This will be described with reference to Fig. 4.
  • Fig. 4 illustrates an example of UL resources in accordance with some aspects of the present disclosure.
  • UL data arrives at time 410.
  • a first UL resource 420 is preconfigured on the UL only TRP 220 and a second UL resource 430 is preconfigured on the first TRP 230.
  • the first UL resource 420 and the second UL resource 430 are available for transmission of the UL data.
  • the time 410 of UL data arrival is nearer to the first UL resource 420 than the second UL resource 430.
  • the UE 210 may select the UL only TRP 220 for transmission of the UL data.
  • the UE 210 may select one of the UL TRPs and UL only TRPs for UL transmission as described in any of the above implementations.
  • the asymmetric DL sTRP/UL mTRP deployment scenarios may support to associate a TCI state with a PL offset.
  • the UE 210 shall calculate the transmission power of the UL transmission based on the DL PL RS and the PL offset associated with the TCI state.
  • a TCI state associated with a PL offset may be applied for transmission of at least one of the following: PUSCH, PUCCH or SRS.
  • the TCI state may be a joint/UL TCI state.
  • the information related to the UL only TRP 220 comprises at least one joint/UL TCI state, and each of the at least one joint/UL TCI state is associated with a PL offset.
  • a first TCI state associated with a PL offset for example.
  • the scope of the present disclosure is not limited in this regard.
  • the first TCI state may be a joint/UL TCI state. That is, the first TCI state may be a joint TCI state or a UL TCI state.
  • the information related to the UL only TRP 220 may comprise a first TCI state associated with a PL offset.
  • the UE 210 may receive an indication from the network node 102 (such as the first TRP 230) .
  • the indication indicates whether the first TCI state associated with a first UL resource is associated with the PL offset.
  • the UE 210 may receive, from the network node 102 (such as the first TRP 230) , a first configuration for the first UL resource associated with at least one TCI state comprising the first TCI state.
  • the at least one TCI state may be at least one joint/UL TCI state.
  • the first configuration for the first UL resource comprises the indication.
  • the indication indicates whether the first TCI state associated with a first UL resource is associated with the PL offset.
  • the first UL resource may comprise a type 1 CG or a type 2 CG.
  • the first UL resource comprises a type 2 CG.
  • the UE 210 may receive, from the network node 102 (such as the first TRP 230) , a signaling indicating the type 2 CG is activated.
  • the signaling comprises the indication.
  • the indication indicates whether the first TCI state associated with the first UL resource is associated with the PL offset.
  • the UE 210 may access a target cell using either a CG or a dynamic grant via downlink information (DCI) .
  • the CG is provided in the LTM candidate configuration, and the UE 210 selects a configured grant occasion associated with the beam indicated in a cell switch command.
  • the UE 210 may receive a cell switch command from the network node 102 (such as the first TRP 230) .
  • the cell switch command may comprise the indication.
  • the indication indicates whether the first TCI state associated with the first UL resource is associated with the PL offset. For example, if the first TCI state associated with a TAG for the UL only TRP 220 is indicated in the cell switch command, the cell switch command may comprise the indication.
  • the cell switch command may comprise a value of the PL offset.
  • the UE 210 may perform UL transmission toward at least one of the UL only TRP 220 and the first TRP 230.
  • the first TA may belong to a first timing advance group (TAG)
  • the second TA may belong to a second TAG.
  • TAG timing advance group
  • the UL only TRP 220 is associated with the first TAG
  • the first TRP 230 is associated with the second TAG.
  • the at least one PL offset associated with the UL only TRP 220 is also associated with the first TAG.
  • the UE 210 may maintain a first timing advance timer (TAT) associated with the first TAG, and a second TAT associated with the second TAG.
  • TAT timing advance timer
  • the UE 210 may start or restart the first TAT.
  • the UE 210 may start or restart the second TAT.
  • the MAC entity of a UE shall not perform any uplink transmission except the Random Access Preamble and message A (MSGA) transmission on a serving cell using at least one TCI state associated with a TAG for which a TAT is not running.
  • MSGA Random Access Preamble and message A
  • PRACH physical random access channel
  • a value of a PL offset is not indicated directly.
  • the MAC entity of the UE 210 shall not perform any uplink transmission except the Random Access Preamble and MSGA transmission on a serving cell using at least one TCI state associated with the first TAG for which the first TAT is not running.
  • PDCCH-order PRACH transmission a value of the PL offset associated with the first TAG is not indicated directly. Therefore, it is necessary to discuss how to handle the PL offset when the first TAT associated with the PL offset expires.
  • the PL offset is associated with the first TAG. If the first TAT associated with the first TAG expires, the UE 210 may maintain the PL offset. Alternatively, the UE 210 may maintain the PL offset until the PL offset is considered as invalid.
  • a Special Cell is configured with two primary timing advance groups (PTAGs) .
  • the two PTAGs comprises the first TAG and the second TAG.
  • the first TAG and the second TAG are also referred to as a first PTAG and a second PTAG, respectively.
  • the UE 210 may maintain the PL offset associated with the first PTAG or maintain the PL offset until the PL offset is considered as invalid.
  • a second cell is configured with two TAGs.
  • the two TAGs comprises the first TAG and the second TAG.
  • the UE 210 may maintain the PL offset associated with the first TAG or maintain the PL offset until the PL offset is considered as invalid.
  • a serving cell is configured with two TAGs.
  • the two TAGs comprises the first TAG and the second TAG.
  • the UE 210 may maintain the PL offset associated with the first TAG or maintain the PL offset until the PL offset is considered as invalid.
  • the UE 210 may maintain the PL offset associated with the first TAG maintain the PL offset until the PL offset is considered as invalid.
  • the UE 210 may clear any configured downlink assignments and flush all DL Hybrid Automatic Repeat reQuest (HARQ) buffers for all Serving Cells.
  • HARQ Hybrid Automatic Repeat reQuest
  • the PL offset is associated with the first TAG. If the first TAT associated with the first TAG expires, the UE 210 may clear the PL offset.
  • the information related to the UL only TRP 220 further comprises a TA value associated with the PL offset, and the PL offset is associated with the first TAG.
  • the UE 210 may clear the TA value if the first TAT associated with the first TAG expires.
  • an SpCell is configured with two PTAGs.
  • the two PTAGs comprises the first TAG and the second TAG.
  • the first TAG and the second TAG are also referred to as a first PTAG and a second PTAG, respectively.
  • the UE 210 may clear the PL offset associated with the first PTAG or clear the TA value associated with the PL offset.
  • a second cell is configured with two TAGs.
  • the two TAGs comprises the first TAG and the second TAG.
  • the UE 210 may clear the PL offset associated with the first TAG or clear the TA value associated with the PL offset.
  • a serving cell is configured with two TAGs.
  • the two TAGs comprises the first TAG and the second TAG.
  • the UE 210 may clear the PL offset associated with the first TAG or clear the TA value associated with the PL offset.
  • the UE 210 may initiate a random access procedure towards the first TRP 230. In some implementations, the UE 210 may maintain or clear the PL offset associated with the first TAG.
  • the UE 210 may initiate a random access procedure towards the UL only TRP 220.
  • the UE 210 may initiate a random access procedure towards the first TRP 230.
  • the UL only TRP 220 is associated with the first TAG. If the first TAT associated with the first TAG expires and the second TAT associated with the second TAG is running, the UE 210 may release association between a first UL resource and the UL only TRP 220, and associate the first UL resource with the first TRP 230 associated with the second TAG. In turn, the UE 210 may perform UL transmission to the first TRP 230 on the first UL resource without using the PL offset associated with the first TCI state. In other words, the UE 210 may autonomously switching UL transmission from the UL only TRP 220 to the first TRP 230.
  • a serving cell is configured with two TAGs.
  • the two TAGs comprises the first TAG and the second TAG.
  • the UE 210 may release association between the first UL resource and the UL only TRP 220, and associate the first UL resource with the first TRP 230 associated with the second TAG.
  • the UL only TRP 220 is associated with the first TAG
  • the first TRP 230 is associated with the second TAG. If the second TAT associated with the second TAG expires and the first TAT associated with the first TAG is running, the UE 210 may release association between a second UL resource and the first TRP 230, and associate the second UL resource with the UL only TRP 220. In turn, the UE 210 may perform UL transmission to the UL only TRP 220 on the second UL resource by using the PL offset associated with the first TCI state. In other words, the UE 210 may autonomously switching UL transmission from the first TRP 230 to the UL only TRP 220.
  • a serving cell is configured with two TAGs.
  • the two TAGs comprises the first TAG and the second TAG.
  • the UE 210 may release association between the second UL resource and the first TRP 230, and associate the second UL resource with the UL only TRP 220.
  • the association between a UL resource and a candidate TRP or the association between the UL resource and TRPs may be preconfigured and autonomously activated.
  • the autonomous switching between multiple TRPs is configured to enable or disable by the network node 102 (such as the first TRP 230) .
  • each of the first UL resource and the second UL resource may comprise one of the following: PUCCH resource, configured uplink grant or PUSCH resource for semi-persistent CSI reporting.
  • the UE 210 may store the PL offset if the UE 210 is released to RRC_INACTIVE state in a cell.
  • the UE 210 may restore or resume the PL offset, and use the PL offset. In this way, the UE 210 may resume UL transmission as soon as possible.
  • the UE 210 may restore or resume the PL offset, and use the PL offset. In this way, the UE 210 may resume UL transmission as soon as possible.
  • Fig. 5 illustrate a flowchart of a method 500 that supports UL transmission in accordance with aspects of the present disclosure.
  • the method 500 can be implemented at a network node 102-1 as shown in Fig. 1.
  • the method 500 will be described with reference to Fig. 1.
  • the network node 102-1 determines at least one PL offset associated with a UL only TRP.
  • the network node 102-1 transmits the at least one PL offset to a second network node 102.
  • the network node 102-1 may determine the at least one PL offset by determining at least one initial value of the at least one PL offset. In such implementations, the first network node 102-1 may transmit the at least one initial value of the at least one PL offset to the UE 104.
  • the network node 102-1 may determine the at least one PL offset by updating the at least one PL offset. In other words, the network node 102-1 may determine the at least one PL offset by updating the at least one initial value of the at least one PL offset.
  • the first network node 102-1 may transmit the at least one updated value of the at least one PL offset to the UE 104.
  • the first network node 102-1 may transmit the at least one updated value of the at least one PL offset to the second network node 102-2.
  • the second network node 102-2 may transmit the at least one updated value of the at least one PL offset to the UE 104.
  • the first network node 102-1 comprises a DU of a base station
  • the second network node 102-2 comprises a CU of the base station.
  • the DU may transmit a MAC CE to the UE 104.
  • the MAC CE comprises the at least one initial value or the at least one updated value of the at least one PL offset.
  • the first network node 102-1 comprises the CU
  • the second network node 102-2 comprises the DU.
  • the CU is allowed to determine the at least one PL offset.
  • RRC is allowed to determine the at least one PL offset.
  • the CU is allowed to determine the at least one initial value or the at least one updated value of the at least one PL offset.
  • the DU may transmit, via F1 interface, related information to the CU for determination of the at least one initial value or the at least one updated value of the at least one PL offset.
  • the related information may comprise at least one receiving power of at least one UL signal from at least one of the first TRP 230 and the UL only TRP 220 and DL RS transmission power and UE receiving RSRP of the DL RS.
  • the CU may transmit an RRC signaling to the UE 104.
  • the RRC signaling comprises the at least one initial value or the at least one updated value of the at least one PL offset.
  • the UE 104 may ignore the updated PL offset in the RRC signaling.
  • the behavior of the UE 104 upon receiving the RRC signaling comprising the updated PL offset may be specified or predefined.
  • Fig. 6 illustrates an example of a device 600 that supports UL transmission in accordance with aspects of the present disclosure.
  • the device 600 may be an example of a network entity 102 or a UE 104 as described herein.
  • the device 600 may support wireless communication with one or more network entities 102, UEs 104, or any combination thereof.
  • the device 600 may include components for bi-directional communications including components for transmitting and receiving communications, such as a processor 602, a memory 604, a transceiver 606, and, optionally, an I/O controller 608. These components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more interfaces (e.g., buses) .
  • the processor 602, the memory 604, the transceiver 606, or various combinations thereof or various components thereof may be examples of means for performing various aspects of the present disclosure as described herein.
  • the processor 602, the memory 604, the transceiver 606, or various combinations or components thereof may support a method for performing one or more of the operations described herein.
  • the processor 602, the memory 604, the transceiver 606, or various combinations or components thereof may be implemented in hardware (e.g., in communications management circuitry) .
  • the hardware may include a processor, a digital signal processor (DSP) , an application-specific integrated circuit (ASIC) , a field-programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic, discrete hardware components, or any combination thereof configured as or otherwise supporting a means for performing the functions described in the present disclosure.
  • the processor 602 and the memory 604 coupled with the processor 602 may be configured to perform one or more of the functions described herein (e.g., executing, by the processor 602, instructions stored in the memory 604) .
  • the processor 602 may support wireless communication at the device 600 in accordance with examples as disclosed herein.
  • the processor 602 may be configured to operable to support a means for performing the following: receiving, from a network node, a configuration for a UL only TRP; and maintaining or clearing information related to the UL only TRP.
  • the processor 602 may be configured to operable to support a means for performing the following: determining at least one PL offset associated with a UL only TRP; and transmitting the at least one PL offset to a second network node.
  • the processor 602 may include an intelligent hardware device (e.g., a general-purpose processor, a DSP, a CPU, a microcontroller, an ASIC, an FPGA, a programmable logic device, a discrete gate or transistor logic component, a discrete hardware component, or any combination thereof) .
  • the processor 602 may be configured to operate a memory array using a memory controller.
  • a memory controller may be integrated into the processor 602.
  • the processor 602 may be configured to execute computer-readable instructions stored in a memory (e.g., the memory 604) to cause the device 600 to perform various functions of the present disclosure.
  • the memory 604 may include random access memory (RAM) and read-only memory (ROM) .
  • the memory 604 may store computer-readable, computer-executable code including instructions that, when executed by the processor 602 cause the device 600 to perform various functions described herein.
  • the code may be stored in a non-transitory computer-readable medium such as system memory or another type of memory.
  • the code may not be directly executable by the processor 602 but may cause a computer (e.g., when compiled and executed) to perform functions described herein.
  • the memory 604 may include, among other things, a basic I/O system (BIOS) which may control basic hardware or software operation such as the interaction with peripheral components or devices.
  • BIOS basic I/O system
  • the I/O controller 608 may manage input and output signals for the device 600.
  • the I/O controller 608 may also manage peripherals not integrated into the device M02.
  • the I/O controller 608 may represent a physical connection or port to an external peripheral.
  • the I/O controller 608 may utilize an operating system such as or another known operating system.
  • the I/O controller 608 may be implemented as part of a processor, such as the processor 606.
  • a user may interact with the device 600 via the I/O controller 608 or via hardware components controlled by the I/O controller 608.
  • the device 600 may include a single antenna 610. However, in some other implementations, the device 600 may have more than one antenna 610 (i.e., multiple antennas) , including multiple antenna panels or antenna arrays, which may be capable of concurrently transmitting or receiving multiple wireless transmissions.
  • the transceiver 606 may communicate bi-directionally, via the one or more antennas 610, wired, or wireless links as described herein.
  • the transceiver 606 may represent a wireless transceiver and may communicate bi-directionally with another wireless transceiver.
  • the transceiver 606 may also include a modem to modulate the packets, to provide the modulated packets to one or more antennas 610 for transmission, and to demodulate packets received from the one or more antennas 610.
  • the transceiver 606 may include one or more transmit chains, one or more receive chains, or a combination thereof.
  • a transmit chain may be configured to generate and transmit signals (e.g., control information, data, packets) .
  • the transmit chain may include at least one modulator for modulating data onto a carrier signal, preparing the signal for transmission over a wireless medium.
  • the at least one modulator may be configured to support one or more techniques such as amplitude modulation (AM) , frequency modulation (FM) , or digital modulation schemes like phase-shift keying (PSK) or quadrature amplitude modulation (QAM) .
  • the transmit chain may also include at least one power amplifier configured to amplify the modulated signal to an appropriate power level suitable for transmission over the wireless medium.
  • the transmit chain may also include one or more antennas 610 for transmitting the amplified signal into the air or wireless medium.
  • a receive chain may be configured to receive signals (e.g., control information, data, packets) over a wireless medium.
  • the receive chain may include one or more antennas 610 for receive the signal over the air or wireless medium.
  • the receive chain may include at least one amplifier (e.g., a low-noise amplifier (LNA) ) configured to amplify the received signal.
  • the receive chain may include at least one demodulator configured to demodulate the receive signal and obtain the transmitted data by reversing the modulation technique applied during transmission of the signal.
  • the receive chain may include at least one decoder for decoding the processing the demodulated signal to receive the transmitted data.
  • Fig. 7 illustrates an example of a processor 700 that supports UL transmission in accordance with aspects of the present disclosure.
  • the processor 700 may be an example of a processor configured to perform various operations in accordance with examples as described herein.
  • the processor 700 may include a controller 702 configured to perform various operations in accordance with examples as described herein.
  • the processor 700 may optionally include at least one memory 704, such as L1/L2/L3 cache. Additionally, or alternatively, the processor 700 may optionally include one or more arithmetic-logic units (ALUs) 706.
  • ALUs arithmetic-logic units
  • One or more of these components may be in electronic communication or otherwise coupled (e.g., operatively, communicatively, functionally, electronically, electrically) via one or more interfaces (e.g., buses) .
  • the processor 700 may be a processor chipset and include a protocol stack (e.g., a software stack) executed by the processor chipset to perform various operations (e.g., receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) in accordance with examples as described herein.
  • a protocol stack e.g., a software stack
  • operations e.g., receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading
  • the processor chipset may include one or more cores, one or more caches (e.g., memory local to or included in the processor chipset (e.g., the processor 700) or other memory (e.g., random access memory (RAM) , read-only memory (ROM) , dynamic RAM (DRAM) , synchronous dynamic RAM (SDRAM) , static RAM (SRAM) , ferroelectric RAM (FeRAM) , magnetic RAM (MRAM) , resistive RAM (RRAM) , flash memory, phase change memory (PCM) , and others) .
  • RAM random access memory
  • ROM read-only memory
  • DRAM dynamic RAM
  • SDRAM synchronous dynamic RAM
  • SRAM static RAM
  • FeRAM ferroelectric RAM
  • MRAM magnetic RAM
  • RRAM resistive RAM
  • PCM phase change memory
  • the controller 702 may be configured to manage and coordinate various operations (e.g., signaling, receiving, obtaining, retrieving, transmitting, outputting, forwarding, storing, determining, identifying, accessing, writing, reading) of the processor 700 to cause the processor 700 to support various operations in accordance with examples as described herein.
  • the controller 702 may operate as a control unit of the processor 700, generating control signals that manage the operation of various components of the processor 700. These control signals include enabling or disabling functional units, selecting data paths, initiating memory access, and coordinating timing of operations.
  • the controller 702 may be configured to fetch (e.g., obtain, retrieve, receive) instructions from the memory 704 and determine subsequent instruction (s) to be executed to cause the processor 700 to support various operations in accordance with examples as described herein.
  • the controller 702 may be configured to track memory address of instructions associated with the memory 704.
  • the controller 702 may be configured to decode instructions to determine the operation to be performed and the operands involved.
  • the controller 702 may be configured to interpret the instruction and determine control signals to be output to other components of the processor 700 to cause the processor 700 to support various operations in accordance with examples as described herein.
  • the controller 702 may be configured to manage flow of data within the processor 700.
  • the controller 702 may be configured to control transfer of data between registers, arithmetic logic units (ALUs) , and other functional units of the processor 700.
  • ALUs arithmetic logic units
  • the memory 704 may include one or more caches (e.g., memory local to or included in the processor 700 or other memory, such RAM, ROM, DRAM, SDRAM, SRAM, MRAM, flash memory, etc. In some implementation, the memory 704 may reside within or on a processor chipset (e.g., local to the processor 700) . In some other implementations, the memory 704 may reside external to the processor chipset (e.g., remote to the processor 700) .
  • caches e.g., memory local to or included in the processor 700 or other memory, such RAM, ROM, DRAM, SDRAM, SRAM, MRAM, flash memory, etc.
  • the memory 704 may reside within or on a processor chipset (e.g., local to the processor 700) . In some other implementations, the memory 704 may reside external to the processor chipset (e.g., remote to the processor 700) .
  • the memory 704 may store computer-readable, computer-executable code including instructions that, when executed by the processor 700, cause the processor 700 to perform various functions described herein.
  • the code may be stored in a non-transitory computer-readable medium such as system memory or another type of memory.
  • the controller 702 and/or the processor 700 may be configured to execute computer-readable instructions stored in the memory 704 to cause the processor 700 to perform various functions.
  • the processor 700 and/or the controller 702 may be coupled with or to the memory 704, the processor 700, the controller 702, and the memory 704 may be configured to perform various functions described herein.
  • the processor 700 may include multiple processors and the memory 704 may include multiple memories. One or more of the multiple processors may be coupled with one or more of the multiple memories, which may, individually or collectively, be configured to perform various functions herein.
  • the one or more ALUs 706 may be configured to support various operations in accordance with examples as described herein.
  • the one or more ALUs 706 may reside within or on a processor chipset (e.g., the processor 700) .
  • the one or more ALUs 706 may reside external to the processor chipset (e.g., the processor 700) .
  • One or more ALUs 706 may perform one or more computations such as addition, subtraction, multiplication, and division on data.
  • one or more ALUs 706 may receive input operands and an operation code, which determines an operation to be executed.
  • One or more ALUs 706 be configured with a variety of logical and arithmetic circuits, including adders, subtractors, shifters, and logic gates, to process and manipulate the data according to the operation. Additionally, or alternatively, the one or more ALUs 706 may support logical operations such as AND, OR, exclusive-OR (XOR) , not-OR (NOR) , and not-AND (NAND) , enabling the one or more ALUs 706 to handle conditional operations, comparisons, and bitwise operations.
  • logical operations such as AND, OR, exclusive-OR (XOR) , not-OR (NOR) , and not-AND (NAND) , enabling the one or more ALUs 706 to handle conditional operations, comparisons, and bitwise operations.
  • the processor 700 may support wireless communication at the device 600 in accordance with examples as disclosed herein.
  • the processor 700 may be configured to operable to support a means for performing the following: receiving, from a network node, a configuration for a UL only TRP; and maintaining or clearing information related to the UL only TRP.
  • the processor 700 may be configured to operable to support a means for performing the following: determining at least one PL offset associated with a UL only TRP; and transmitting the at least one PL offset to a second network node.
  • a general-purpose processor may be a microprocessor, but in the alternative, the processor may be any processor, controller, microcontroller, or state machine.
  • a processor may also be implemented as a combination of computing devices (e.g., a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
  • the functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope of the disclosure and appended claims. For example, due to the nature of software, functions described herein may be implemented using software executed by a processor, hardware, firmware, hardwiring, or combinations of any of these. Features implementing functions may also be physically located at various positions, including being distributed such that portions of functions are implemented at different physical locations.
  • Computer-readable media includes both non-transitory computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a non-transitory storage medium may be any available medium that may be accessed by a general-purpose or special-purpose computer.
  • non-transitory computer-readable media may include RAM, ROM, electrically erasable programmable ROM (EEPROM) , flash memory, compact disk (CD) ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other non-transitory medium that may be used to carry or store desired program code means in the form of instructions or data structures and that may be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor.
  • an article “a” before an element is unrestricted and understood to refer to “at least one” of those elements or “one or more” of those elements.
  • the terms “a, ” “at least one, ” “one or more, ” and “at least one of one or more” may be interchangeable.
  • a list of items indicates an inclusive list such that, for example, a list of at least one of A, B, or C means A or B or C or AB or AC or BC or ABC (i.e., A and B and C) .
  • the phrase “based on” shall not be construed as a reference to a closed set of conditions. For example, an example step that is described as “based on condition A” may be based on both a condition A and a condition B without departing from the scope of the present disclosure.
  • the phrase “based on” shall be construed in the same manner as the phrase “based at least in part on.
  • a “set” may include one or more elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Divers aspects de la présente divulgation concernent une transmission UL. Selon un aspect, un UE reçoit, en provenance d'un nœud de réseau, une configuration pour un TRP uniquement UL . À son tour, l'UE maintient ou efface des informations relatives au TRP uniquement UL.
PCT/CN2025/073768 2025-01-21 2025-01-21 Transmission en liaison montante Pending WO2025236750A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2025/073768 WO2025236750A1 (fr) 2025-01-21 2025-01-21 Transmission en liaison montante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2025/073768 WO2025236750A1 (fr) 2025-01-21 2025-01-21 Transmission en liaison montante

Publications (1)

Publication Number Publication Date
WO2025236750A1 true WO2025236750A1 (fr) 2025-11-20

Family

ID=97719310

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2025/073768 Pending WO2025236750A1 (fr) 2025-01-21 2025-01-21 Transmission en liaison montante

Country Status (1)

Country Link
WO (1) WO2025236750A1 (fr)

Similar Documents

Publication Publication Date Title
WO2025156694A1 (fr) Messages de radiomessagerie multiples pour dispositif d'idoa
WO2024146185A1 (fr) Ltm basé sur une condition
WO2025236750A1 (fr) Transmission en liaison montante
WO2025241614A1 (fr) Gestion de transmission en liaison montante
WO2025241553A1 (fr) Sélection de ressources
WO2024207740A1 (fr) Mobilité déclenchée de couche 1 ou de couche 2
WO2025246425A1 (fr) Gestion de ressource
WO2024093337A1 (fr) Dispositifs et procédés de communication
WO2025218251A1 (fr) Gestion de faisceau
WO2025171746A1 (fr) Reprise après défaillance de faisceau
WO2025251726A1 (fr) Mobilité déclenchée par couche 1 ou couche 2 conditionnelle
WO2025107718A1 (fr) Prédiction de défaillance de liaison radio
WO2024093338A1 (fr) Dispositifs et procédés de communication
WO2024159795A1 (fr) Dispositifs et procédés de communication
WO2025148315A1 (fr) Prédiction de défaillance de liaison radio en double connexion
WO2024169254A1 (fr) Détermination d'un état de cellule
WO2025246435A1 (fr) Rapport de faisceau basé sur un groupe
WO2025175830A1 (fr) Mobilité déclenchée par couche 1 ou couche 2 conditionnelle
WO2025011026A1 (fr) Sélection de groupe de ressources
WO2024230254A1 (fr) Procédé de demande de signal de liaison descendante
WO2024212567A1 (fr) Transmission de préambule prach déclenchée par une instruction de commutation de cellules
WO2025145658A1 (fr) Contrôle d'accès d'une cellule ntn
WO2024234703A1 (fr) Transfert intercellulaire conditionnel pour économie d'énergie de réseau
WO2024169553A1 (fr) Détermination de signal de liaison descendante
WO2024234727A1 (fr) Configuration simultanée pour changement de pcell et ajout/changement de pscell