Methods and apparatus for defining satellite mode capability after registration in mobile communications
The proposed solutions for mobile communications enable UEs to manage satellite mode capabilities by selecting alternative access technologies and handling EPS parameters, addressing the issue of failed satellite registrations and enhancing network re-registration efficiency.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- MEDIATEK INC
- Filing Date
- 2025-09-24
- Publication Date
- 2026-05-07
AI Technical Summary
Current mobile communication systems lack a framework for UE to attempt registration over non-satellite cells when registration fails over satellite cells, leading to unnecessary disabling of satellite mode capabilities even when successful registration with non-satellite networks is possible.
The proposed solutions involve a UE attempting to select alternative access technologies or disabling satellite mode capabilities when an attempt counter reaches a predefined value, including selecting 6G or EUTRA modes for non-satellite cells, disabling satellite capabilities, and handling EPS Mobility Management parameters to facilitate re-registration with non-satellite networks.
Enables efficient re-registration with non-satellite networks by allowing UEs to dynamically manage satellite mode capabilities, reducing unnecessary disabling and improving network registration success rates.
Smart Images

Figure CN2025123638_07052026_PF_FP_ABST
Abstract
Description
METHODS AND APPARATUS FOR DEFINING SATELLITE MODE CAPABILITY AFTER REGISTRATION IN MOBILE COMMUNICATIONSCROSS REFERENCE TO RELATED PATENT APPLICATION (S)
[0001] The present disclosure claims the priority benefit of Indian Patent Application No. 202421082374, filed 28 October 2024, the content of which herein being incorporated by reference in its entirety.TECHNICAL FIELD
[0002] The present disclosure is generally related to mobile communications and, more particularly, to defining satellite mode capability after registration in mobile communications.BACKGROUND
[0003] In wireless communications such as mobile communications under the current 3rd Generation Partnership Project (3GPP) specification, disablement of a satellite next-generation radio access network (NG-RAN) capability needs only be performed when a user equipment (UE) is in a 5th Generation Mobility Management (5GMM) idle (5GMM-IDLE) mode. When disabling the satellite NG-RAN capability, the UE may perform certain operations. Firstly, the UE may disable the New Radio (NR) non-terrestrial network (NTN) access capability. Additionally, the UE may memorize the identity of the public land mobile network (PLMN) where the satellite NG-RAN capability was disabled. Moreover, the UE is to use that stored information in subsequence PLMN selections as specified in 3GPP Technical Specification (TS) 23.122 [6] . As an implementation option, the UE can disable satellite NG-RAN capability by disabling N1 mode capability for satellite NG-RAN access. Also, as an implementation option, the UE may start a timer for enabling satellite NG-RAN capability and, on expiry of that timer, the UE is to remove the PLMN from the memorized identity of the PLMNs where the satellite NG-RAN capability was disabled.
[0004] When UE registration is performed to satellite network / satellite NG-RAN / 6th Generation (6G) radio access network (6G-RAN) / Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access (EUTRA) access network (e.g., 6G core network (CN) , 5th Generation (5G) CN, 4th Generation (4G) CN, etc. ) and registration is failed abnormally from a satellite network / satellite NG-RAN / 6G-RAN / EUTRA access network or satellite NG-RAN / 6G-RAN / EUTRA access cell, then the UE increments an attempt counter. When the attempt counter reaches a maximum value (e.g., 5) , the UE disables its complete 6G mode / N1 mode / EUTRA mode capability, such that the 6G mode / N1 mode / EUTRA mode capability is disabled for both satellite and non-satellite cells even though the UE can be successfully registered with a network with non-satellite cell (s) . In current situation, there is no framework to attempt registration over N1 mode (non-satellite cells) when registration is failed over satellite cells or satellite NG-RAN / 6G-RAN / EUTRA access network (s) . Therefore, there is a need for a solution of defining satellite mode capability after registration in mobile communications.SUMMARY
[0005] The following summary is illustrative only and is not intended to be limiting in any way. That is, the following summary is provided to introduce concepts, highlights, benefits, and advantages of the novel and non-obvious techniques described herein. Select implementations are further described below in the detailed description. Thus, the following summary is not intended to identify essential features of the claimed subject matter, nor is it intended for use in determining the scope of the claimed subject matter.
[0006] An objective of the present disclosure is to propose solutions or schemes that address the issue (s) described herein. More specifically, various schemes proposed in the present disclosure are believed to provide solutions pertaining to defining satellite mode capability after registration in mobile communications. It is believed that implementations of one or more of the schemes proposed herein may address or otherwise alleviate the issues described above.
[0007] In one aspect, a method may involve a UE attempting to perform a procedure (e.g., registration or attach or tracking area update (TAU) ) with a satellite network. The method may also involve the UE determining that an attempt counter reaches a predefined value as a result of the attempting. In response to the determining, the method may involve the UE performing one or more operations.
[0008] In another aspect, a method may involve a UE attempting to perform a procedure (e.g., registration or attach or tracking area update (TAU) ) with a satellite network. The method may also involve the UE determining that an attempt counter reaches a predefined value as a result of the attempting. In response to the determining, the method may involve the UE performing one or more operations including at least one of the following: (1) attempting to select one or more other access technologies by performing either or both of the following: (a) selecting a 6th Generation (6G) mode or N1 mode or Evolved Universal Terrestrial Radio Access (EUTRA) mode for a non-satellite cell; and (b) selecting the 6G mode or N1 mode or EUTRA mode for a satellite cell; (2) disabling a satellite 6G mode capability in an event that registration is attempted over a satellite 6G radio access network (6G-RAN) ; (3) disabling a satellite next-generation radio access network (NG-RAN) mode capability in an event that the registration is attempted over a satellite NG-RAN; (4) disabling a satellite EUTRA mode capability in an event that the registration or attach or TAU is attempted over a satellite EUTRA; and (5) handling Evolved Packet System (EPS) Mobility Management (EMM) parameters EPS update status, an EMM state, a 4th Generation (4G) Globally Unique Temporary Identifier (4G-GUTI) , a tracking area identity (TAI) list, a last visited registered TAI, a list of equivalent public land mobile networks (PLMNs) , and Key Set Identifier for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) (eKSI) .
[0009] In still another aspect, an apparatus implementable in a UE may include a transceiver configured to communicate wirelessly and a processor coupled to the transceiver. The processor may attempt to perform a procedure (e.g., registration or attach or TAU) with a satellite network. The processor may also determine that an attempt counter reaches a predefined value as a result of the attempting. In response to the determining, the processor may perform one or more operations.
[0010] It is noteworthy that, although the description provided herein may be in the context of certain radio access technologies, networks, and network topologies such as 5th Generation (5G) New Radio (NR) / Beyond Fifth-Generation (B5G) / 6th Generation (6G) mobile communications, the proposed concepts, schemes and any variation (s) / derivative (s) thereof may be implemented in, for and by other types of radio access technologies, networks and network topologies such as, for example and without limitation, 4th Generation (4G) / Long-Term Evolution (LTE) , LTE-Advanced, LTE-Advanced Pro, Internet-of-Things (IoT) , Narrow Band Internet of Things (NB-IoT) , Industrial Internet of Things (IIoT) , vehicle-to-everything (V2X) , and non-terrestrial network (NTN) communications. Thus, the scope of the present disclosure is not limited to the examples described herein.BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The accompanying drawings are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of the present disclosure. The drawings illustrate implementations of the disclosure and, together with the description, serve to explain the principles of the disclosure. It is appreciable that the drawings are not necessarily in scale as some components may be shown to be out of proportion than the size in actual implementation in order to clearly illustrate the concept of the present disclosure.
[0012] FIG. 1 is a diagram of an example network environment in which various solutions and schemes in accordance with the present disclosure may be implemented.
[0013] FIG. 2 is a block diagram of an example communication system under a proposed scheme in accordance with the present disclosure.
[0014] FIG. 3 is a flowchart of a second example process under a proposed scheme in accordance with the present disclosure.
[0015] FIG. 4 is a flowchart of a second example process under a proposed scheme in accordance with the present disclosure. DETAILED DESCRIPTION OF PREFERRED IMPLEMENTATIONS
[0016] Detailed embodiments and implementations of the claimed subject matters are disclosed herein. However, it shall be understood that the disclosed embodiments and implementations are merely illustrative of the claimed subject matters which may be embodied in various forms. The present disclosure may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments and implementations set forth herein. Rather, these exemplary embodiments and implementations are provided so that description of the present disclosure is thorough and complete and will fully convey the scope of the present disclosure to those skilled in the art. In the description below, details of well-known features and techniques may be omitted to avoid unnecessarily obscuring the presented embodiments and implementations. Overview
[0017] Implementations in accordance with the present disclosure relate to various techniques, methods, schemes and / or solutions pertaining to defining satellite mode capability after registration in mobile communications. According to the present disclosure, a number of possible solutions may be implemented separately or jointly. That is, although these possible solutions may be described below separately, two or more of these possible solutions may be implemented in one combination or another.
[0018] FIG. 1 illustrates an example network environment 100 in which various solutions and schemes in accordance with the present disclosure may be implemented. FIG. 2 ~ FIG. 4 illustrate examples of implementation of various proposed schemes in network environment 100 in accordance with the present disclosure. The following description of various proposed schemes is provided with reference to FIG. 1 ~ FIG. 4.
[0019] Referring to FIG. 1, network environment 100 involves a UE 110 in wireless communication with a wireless network 120 (e.g., a mobile network including a non-terrestrial network (NTN) and a terrestrial network (TN) ) via a terrestrial network node 125 (e.g., an evolved Node-B (eNB) , a Next Generation Node-B (gNB) , or a transmission / reception point (TRP) ) and / or a non-terrestrial network node 128 (e.g., a satellite) . For example, the terrestrial network node 125 and / or the non-terrestrial network node 128 may form an NTN serving cell for wireless communication with the UE 110. In some implementations, the UE 110 may be an IoT device such as an NB-IoT UE or an enhanced machine-type communication (eMTC) UE (e.g., a bandwidth reduced low complexity (BL) UE or a coverage enhancement (CE) UE) . In such communication environment, the UE 110, the network 120, the terrestrial network node 125, and the non-terrestrial network node 128 may implement various schemes pertaining to defining satellite mode capability after registration in mobile communications in accordance with the present disclosure, as described below.
[0020] It is noteworthy that, while the various proposed schemes may be individually or separately described below, in actual implementations some or all of the proposed schemes may be utilized or otherwise implemented jointly. Of course, each of the proposed schemes may be utilized or otherwise implemented individually or separately. Moreover, as used herein, a lower layer may refer to a layer in the 5th Generation Mobility Management (5GMM) protocol stack that is lower than the radio resource control (RRC) layer, such as a packet data convergence protocol (PDCP) layer, a radio control link (RLC) layer, a medium access control (MAC) layer, a physical (PHY) layer, or so forth.
[0021] Under a first proposed scheme in accordance with the present disclosure, when a UE (e.g., UE 110) attempts a registration / attach / tracking area update (TAU) procedure with a satellite network (e.g., wireless network 120, which may be / include a 6G core network, a 6G RAN connected to a 5G core network, a 5G core network, an EUTRA connected to a 5G / 6G core network, a 4G core network, etc. ) and its attempt counter reaches a predefined maximum value (e.g., maximum value of attempt counter is maximum) , then the UE may perform one or more of a number of operations. For instance, the UE may attempt to select other access technologies (e.g., by selecting a 6G mode / N1 mode / EUTRA mode (non-satellite cell) and / or selecting 6G mode / N1 / EUTRA (satellite cell) ) . Alternatively, or additionally, the UE may disable a satellite 6G mode (e.g., if registration is attempted over satellite 6G-RAN) / NG-RAN (e.g., if registration is attempted over satellite NG-RAN) / EUTRA mode capability (e.g., if registration / attach / TAU is attempted over satellite EUTRA) . Alternatively, or additionally, the UE may start a new timer or existing timer with respect to disabling satellite 6G-RAN / NG-RAN / EUTRA mode capability. Alternatively, or additionally, the UE may use the new timer or existing timer for re-enabling satellite 6G-RAN / NG-RAN / EUTRA mode capability, with a value that may be the same as the value of timer T3602 (in a 6th Generation System (6GS) ) / timer T3502 (in a 5th Generation System (5GS) ) / timer T3402 (in an Evolved Packet System (EPS) ) . If the value of T3602 (in 6GS) / T3502 (in 5GS) / T3402 (in EPS) is indicated as zero or deactivated by the network, the UE may use an implementation specific non-zero value for the new timer or existing timer for re-enabling satellite 6G-RAN / NG-RAN / EUTRA mode capability.
[0022] Under a second proposed scheme in accordance with the present disclosure, if a UE (e.g., UE 110) needs to disable its satellite 6G-RAN / NG-RAN / EUTRA mode capability, the UE may perform one or more of a number of operations. That is, the UE may attempt to select one of other access technologies which is not restricted. For instance, the UE may select 6G mode / N1 mode / EUTRA mode (non-satellite cell) and / or select 6G mode / N1 / EUTRA (satellite cell) on the registered PLMN (or equivalent PLMN) if available and, if not available, then select from other PLMNs (e.g., by performing a PLMN search) .
[0023] As an implementation example with respect to disabling and re-enabling of UE’s satellite NG-RAN capability, if satellite NG-RAN capability is disabled due to the UE's registration attempt counter reaching a predefined maximum value (e.g., 5) , the value of the timer for re-enabling satellite NG-RAN capability may be the same as the value of T3502 which follows the handling specified in subclause 5.3.8 of the 3GPP TS. If the value of T3502 is indicated as zero by the network, an implementation specific non-zero value may be used for the timer for re-enabling satellite NG-RAN capability.
[0024] As an implementation example with respect to abnormal cases in the UE, if a registration / attach / TAU procedure is performed via a satellite NG-RAN access and the UE is operating in a single-registration mode, the UE may in addition handle the EPS Mobility Management (EMM) parameters EPS update status, EMM state, 4G Globally Unique Temporary Identifier (4G-GUTI) , tracking area identity (TAI) list, last visited registered TAI, list of equivalent PLMNs, and Key Set Identifier for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) (eKSI) as specified in 3GPP TS 24.301
[0015] for the abnormal cases when an EPS attach procedure via satellite EUTRA access fails and the attach attempt counter is equal to 5. Moreover, the UE may attempt to select a NG-RAN (e.g., over non-satellite NG-RAN cells radio access technology and proceed with appropriate 5GMM specific procedures) . Additionally, the UE may disable the satellite NG-RAN capability as specified in subclause 4.9.4 of the 3GPP TS.
[0025] As another implementation example with respect to abnormal cases in the UE, if a registration / attach / TAU procedure is performed via satellite NG-RAN access and the UE is operating in a single-registration mode, the UE may in addition handle the EMM parameters EPS update status, EMM state, 4G-GUTI, TAI list, last visited registered TAI, list of equivalent PLMNs and eKSI as specified in 3GPP TS 24.301
[0015] for the abnormal cases when a normal or periodic tracking area updating procedure via satellite EUTRA access fails and the tracking area attempt counter is equal to 5. Moreover, the UE may attempt to select a NG-RAN (e.g., over non-satellite NG-RAN cells) radio access technology and proceed with appropriate 5GMM specific procedures. Additionally, the UE may disable the satellite NG-RAN capability as specified in subclause 4.9.4 of the 3GPP TS.
[0026] As another implementation example with respect to disabling and re-enabling of UE’s satellite NG-RAN capability, disablement of the satellite NG-RAN capability may only be performed when a UE is in the 5GMM-IDLE mode. When disabling the satellite NG-RAN capability, the UE may perform certain operations. For instance, the UE may disable the NR NTN access capability (see 3GPP TS 38.304
[0028] and 3GPP TS 38.306 [28A] ) . Additionally, the UE may memorize the identity of the PLMN where the satellite NG-RAN capability was disabled. Moreover, the UE may use that stored information in subsequent PLMN selections as specified in 3GPP TS 23.122 [6] . Furthermore, the UE may select an NG-RAN cell (terrestrial) or E-UTRA cell (satellite or terrestrial) or a cell from another access technology / RAT which is not restricted of the registered PLMN or a PLMN from the list of equivalent PLMNs. If another RAT of the registered PLMN or a PLMN from the list of equivalent PLMNs cannot be found, then the UE may enter the state of REGISTERED. PLMN-SEARCH or DEREGISTERED. PLMN-SEARCH (e.g., if the UE does not have a registered PLMN) and may perform a PLMN selection as specified in 3GPP TS 23.122 [5] . Illustrative Implementations
[0027] FIG. 2 illustrates an example communication system 200 having at least an example apparatus 210 and an example apparatus 220 in accordance with an implementation of the present disclosure. Each of apparatus 210 and apparatus 220 may perform various functions to implement schemes, techniques, processes and methods described herein pertaining to defining satellite mode capability after registration in mobile communications, including the various schemes described above with respect to various proposed designs, concepts, schemes, systems and methods described above, including network environment 100, as well as processes described below.
[0028] Each of apparatus 210 and apparatus 220 may be a part of an electronic apparatus, which may be a network apparatus or a UE (e.g., UE 110) , such as a portable or mobile apparatus, a wearable apparatus, a vehicular device or a vehicle, a wireless communication apparatus or a computing apparatus. For instance, each of apparatus 210 and apparatus 220 may be implemented in a smartphone, a smart watch, a personal digital assistant, an electronic control unit (ECU) in a vehicle, a digital camera, or a computing equipment such as a tablet computer, a laptop computer or a notebook computer. Each of apparatus 210 and apparatus 220 may also be a part of a machine type apparatus, which may be an IoT apparatus such as an immobile or a stationary apparatus, a home apparatus, a roadside unit (RSU) , a wire communication apparatus or a computing apparatus. For instance, each of apparatus 210 and apparatus 220 may be implemented in a smart thermostat, a smart fridge, a smart door lock, a wireless speaker or a home control center. When implemented in or as a network apparatus, apparatus 210 and / or apparatus 220 may be implemented in an eNB in an LTE, LTE-Advanced or LTE-Advanced Pro network or in a gNB or TRP in a 5G network, an NR network, or an IoT network.
[0029] In some implementations, each of apparatus 210 and apparatus 220 may be implemented in the form of one or more integrated-circuit (IC) chips such as, for example and without limitation, one or more single-core processors, one or more multi-core processors, one or more complex-instruction-set-computing (CISC) processors, or one or more reduced-instruction-set-computing (RISC) processors. In the various schemes described above, each of apparatus 210 and apparatus 220 may be implemented in or as a network apparatus or a UE. Each of apparatus 210 and apparatus 220 may include at least some of those components shown in FIG. 2 such as a processor 212 and a processor 222, respectively, for example. Each of apparatus 210 and apparatus 220 may further include one or more other components not pertinent to the proposed scheme of the present disclosure (e.g., internal power supply, display device and / or user interface device) , and, thus, such component (s) of apparatus 210 and apparatus 220 are neither shown in FIG. 2 nor described below in the interest of simplicity and brevity.
[0030] In one aspect, each of processor 212 and processor 222 may be implemented in the form of one or more single-core processors, one or more multi-core processors, or one or more CISC or RISC processors. That is, even though a singular term “a processor” is used herein to refer to processor 212 and processor 222, each of processor 212 and processor 222 may include multiple processors in some implementations and a single processor in other implementations in accordance with the present disclosure. In another aspect, each of processor 212 and processor 222 may be implemented in the form of hardware (and, optionally, firmware) with electronic components including, for example and without limitation, one or more transistors, one or more diodes, one or more capacitors, one or more resistors, one or more inductors, one or more memristors and / or one or more varactors that are configured and arranged to achieve specific purposes in accordance with the present disclosure. In other words, in at least some implementations, each of processor 212 and processor 222 is a special-purpose machine specifically designed, arranged, and configured to perform specific tasks including those pertaining to defining satellite mode capability after registration in mobile communications in accordance with various implementations of the present disclosure.
[0031] In some implementations, apparatus 210 may also include a transceiver 216 coupled to processor 212. Transceiver 216 may be capable of wirelessly transmitting and receiving data. In some implementations, transceiver 216 may be capable of wirelessly communicating with different types of wireless networks of different radio access technologies (RATs) . In some implementations, transceiver 216 may be equipped with a plurality of antenna ports (not shown) such as, for example, four antenna ports. That is, transceiver 216 may be equipped with multiple transmit antennas and multiple receive antennas for multiple-input multiple-output (MIMO) wireless communications. In some implementations, apparatus 220 may also include a transceiver 226 coupled to processor 222. Transceiver 226 may include a transceiver capable of wirelessly transmitting and receiving data. In some implementations, transceiver 226 may be capable of wirelessly communicating with different types of UEs / wireless networks of different RATs. In some implementations, transceiver 226 may be equipped with a plurality of antenna ports (not shown) such as, for example, four antenna ports. That is, transceiver 226 may be equipped with multiple transmit antennas and multiple receive antennas for MIMO wireless communications.
[0032] In some implementations, apparatus 210 may further include a memory 214 coupled to processor 212 and capable of being accessed by processor 212 and storing data therein. In some implementations, apparatus 220 may further include a memory 224 coupled to processor 222 and capable of being accessed by processor 222 and storing data therein. Each of memory 214 and memory 224 may include a type of random-access memory (RAM) such as dynamic RAM (DRAM) , static RAM (SRAM) , thyristor RAM (T-RAM) and / or zero-capacitor RAM (Z-RAM) . Alternatively, or additionally, each of memory 214 and memory 224 may include a type of read-only memory (ROM) such as mask ROM, programmable ROM (PROM) , erasable programmable ROM (EPROM) and / or electrically erasable programmable ROM (EEPROM) . Alternatively, or additionally, each of memory 214 and memory 224 may include a type of non-volatile random-access memory (NVRAM) such as flash memory, solid-state memory, ferroelectric RAM (FeRAM) , magnetoresistive RAM (MRAM) and / or phase-change memory.
[0033] Each of apparatus 210 and apparatus 220 may be a communication entity capable of communicating with each other using various proposed schemes in accordance with the present disclosure. For illustrative purposes and without limitation, a description of capabilities of apparatus 210, as a UE (e.g., UE 110) , and apparatus 220, as a network node (e.g., network node 125) of a network (e.g., wireless network 120 as a 5G / NR mobile network) , is provided below in the context of example processes 300 and 400. Illustrative Processes
[0034] FIG. 3 illustrates an example process 300 in accordance with an implementation of the present disclosure. Process 300 may represent an aspect of implementing various proposed designs, concepts, schemes, systems and methods described above. More specifically, process 300 may represent an aspect of the proposed concepts and schemes pertaining to defining satellite mode capability after registration in mobile communications in accordance with the present disclosure. Process 300 may include one or more operations, actions, or functions as illustrated by one or more of blocks. Although illustrated as discrete blocks, various blocks of process 300 may be divided into additional blocks, combined into fewer blocks, or eliminated, depending on the desired implementation. Moreover, the blocks / sub-blocks of process 300 may be executed in the order shown in FIG. 3 or, alternatively, in a different order. Furthermore, one or more of the blocks / sub-blocks of process 300 may be executed repeatedly or iteratively. Process 300 may be implemented by or in apparatus 210 and apparatus 220 as well as any variations thereof. Solely for illustrative purposes and without limiting the scope, process 300 is described below in the context of apparatus 210 as a UE (e.g., UE 110) and apparatus 220 as a communication entity such as a network node (e.g., non-terrestrial network node 128 or terrestrial network node 125) of a network (e.g., wireless network 120) . Process 300 may begin at block 310.
[0035] At 310, process 300 may involve processor 212 of apparatus 210, as a UE (e.g., UE 110) , attempting, via transceiver 216, to perform a procedure with a satellite network (e.g., wireless network 120 via apparatus 220 as non-terrestrial network node 128 or terrestrial network node 125) . Process 300 may proceed from 310 to 320.
[0036] At 320, process 300 may involve processor 212 determining that an attempt counter reaches a predefined value as a result of the attempting. Process 300 may proceed from 320 to 330.
[0037] At 330, process 300 may involve processor 212 performing, via transceiver 216, one or more operations responsive to the determining.
[0038] In some implementations, the satellite network may include one or more of the following: a network as part of a 6G core network, a satellite or non-satellite 6G RAN connected to a 5G core network or the 6G core network, a 5G core network, a satellite or non-satellite EUTRA connected to a 4G core network, the 5G core network or the 6G core network, or a satellite or non-satellite NG-RAN connected to the 4G core network, the 5G core network or the 6G core network.
[0039] In some implementations, in performing the one or more operations, process 300 may involve processor 212 attempting to select one or more other access technologies. For instance, in attempting to select one or more other access technologies, process 300 may involve processor 212 performing either or both of the following: (a) selecting a 6G mode or N1 mode or EUTRA mode for a non-satellite cell; and (b) selecting the 6G mode or N1 mode or EUTRA mode for a satellite cell.
[0040] In some implementations, in performing the one or more operations, process 300 may involve processor 212 performing at least one of the following: (1) disabling a satellite 6G mode capability in an event that the procedure is a registration procedure attempted over a satellite 6G-RAN; (2) disabling a satellite NG-RAN mode capability in an event that the procedure is a registration procedure attempted over a satellite NG-RAN; and (3) disabling a satellite EUTRA mode capability in an event that the procedure is a registration or attach or TAU procedure attempted over a satellite EUTRA.
[0041] In some implementations, in attempting to perform the procedure, process 300 may involve processor 212 attempting to perform the procedure via a satellite NG-RAN access while the UE is operating in a single-registration mode. For instance, in performing the one or more operations, process 300 may involve processor 212 handling EMM parameters EPS update status, an EMM state, a 4G-GUTI, a TAI list, a last visited registered TAI, a list of equivalent PLMNs, and eKSI. In some implementations, in handling, process 300 may involve processor 212 handling when an EPS attach procedure via a satellite EUTRA access fails and a value of the attempt counter, as an attach attempt counter, is equal to the predefined value (e.g., 5) .
[0042] FIG. 4 illustrates an example process 400 in accordance with an implementation of the present disclosure. Process 400 may represent an aspect of implementing various proposed designs, concepts, schemes, systems and methods described above. More specifically, process 400 may represent an aspect of the proposed concepts and schemes pertaining to defining satellite mode capability after registration in mobile communications in accordance with the present disclosure. Process 400 may include one or more operations, actions, or functions as illustrated by one or more of blocks. Although illustrated as discrete blocks, various blocks of process 400 may be divided into additional blocks, combined into fewer blocks, or eliminated, depending on the desired implementation. Moreover, the blocks / sub-blocks of process 400 may be executed in the order shown in FIG. 4 or, alternatively, in a different order. Furthermore, one or more of the blocks / sub-blocks of process 400 may be executed repeatedly or iteratively. Process 400 may be implemented by or in apparatus 210 and apparatus 220 as well as any variations thereof. Solely for illustrative purposes and without limiting the scope, process 400 is described below in the context of apparatus 210 as a UE (e.g., UE 110) and apparatus 220 as a communication entity such as a network node (e.g., non-terrestrial network node 128 or terrestrial network node 125) of a network (e.g., wireless network 120) . Process 400 may begin at block 410.
[0043] At 410, process 400 may involve processor 212 of apparatus 210, as a UE (e.g., UE 110) , attempting, via transceiver 216, to perform a procedure with a satellite network (e.g., wireless network 120 via apparatus 220 as non-terrestrial network node 128 or terrestrial network node 125) . Process 400 may proceed from 410 to 420.
[0044] At 420, process 400 may involve processor 212 determining that an attempt counter reaches a predefined value as a result of the attempting. Process 400 may proceed from 420 to 430.
[0045] At 430, process 400 may involve processor 212 performing, via transceiver 216, one or more operations responsive to the determining. For instance, process 400 may involve processor 212 performing at least one of the following: (1) attempting to select one or more other access technologies by performing either or both of the following: (a) selecting a 6G mode or N1 mode or EUTRA mode for a non-satellite cell; and (b) selecting the 6G mode or N1 mode or EUTRA mode for a satellite cell; (2) disabling a satellite 6G mode capability in an event that the procedure is a registration procedure attempted over a satellite 6G-RAN; (3) disabling a satellite NG-RAN mode capability in an event that the procedure is a registration procedure attempted over a satellite NG-RAN; (4) disabling a satellite EUTRA mode capability in an event that the procedure is a registration or attach or TAU procedure attempted over a satellite EUTRA; and (5) handling EMM parameters EPS update status, an EMM state, a 4G-GUTI, a TAI list, a last visited registered TAI, a list of equivalent PLMNs, and eKSI.
[0046] In some implementations, in handling, process 400 may involve processor 212 handling when an EPS attach procedure via a satellite EUTRA access fails and a value of the attempt counter, as an attach attempt counter, is equal to the predefined value (e.g., 5) . Additional Notes
[0047] The herein-described subject matter sometimes illustrates different components contained within, or connected with, different other components. It is to be understood that such depicted architectures are merely examples, and that in fact many other architectures can be implemented which achieve the same functionality. In a conceptual sense, any arrangement of components to achieve the same functionality is effectively "associated" such that the desired functionality is achieved. Hence, any two components herein combined to achieve a particular functionality can be seen as "associated with" each other such that the desired functionality is achieved, irrespective of architectures or intermedial components. Likewise, any two components so associated can also be viewed as being "operably connected" , or "operably coupled" , to each other to achieve the desired functionality, and any two components capable of being so associated can also be viewed as being "operably couplable" , to each other to achieve the desired functionality. Specific examples of operably couplable include but are not limited to physically mateable and / or physically interacting components and / or wirelessly interactable and / or wirelessly interacting components and / or logically interacting and / or logically interactable components.
[0048] Further, with respect to the use of substantially any plural and / or singular terms herein, those having skill in the art can translate from the plural to the singular and / or from the singular to the plural as is appropriate to the context and / or application. The various singular / plural permutations may be expressly set forth herein for sake of clarity.
[0049] Moreover, it will be understood by those skilled in the art that, in general, terms used herein, and especially in the appended claims, e.g., bodies of the appended claims, are generally intended as “open” terms, e.g., the term “including” should be interpreted as “including but not limited to, ” the term “having” should be interpreted as “having at least, ” the term “includes” should be interpreted as “includes but is not limited to, ” etc. It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation no such intent is present. For example, as an aid to understanding, the following appended claims may contain usage of the introductory phrases "at least one" and "one or more" to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles "a" or "an" limits any particular claim containing such introduced claim recitation to implementations containing only one such recitation, even when the same claim includes the introductory phrases "one or more" or "at least one" and indefinite articles such as "a" or "an, " e.g., “a” and / or “an” should be interpreted to mean “at least one” or “one or more; ” the same holds true for the use of definite articles used to introduce claim recitations. In addition, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should be interpreted to mean at least the recited number, e.g., the bare recitation of "two recitations, " without other modifiers, means at least two recitations, or two or more recitations. Furthermore, in those instances where a convention analogous to “at least one of A, B, and C, etc. ” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention, e.g., “a system having at least one of A, B, and C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and / or A, B, and C together, etc. In those instances where a convention analogous to “at least one of A, B, or C, etc. ” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention, e.g., “a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and / or A, B, and C together, etc. It will be further understood by those within the art that virtually any disjunctive word and / or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms, or both terms. For example, the phrase “A or B” will be understood to include the possibilities of “A” or “B” or “A and B. ”
[0050] From the foregoing, it will be appreciated that various implementations of the present disclosure have been described herein for purposes of illustration, and that various modifications may be made without departing from the scope and spirit of the present disclosure. Accordingly, the various implementations disclosed herein are not intended to be limiting, with the true scope and spirit being indicated by the following claims.
Claims
1.A method, comprising:attempting, by a processor of a user equipment (UE) , to perform a procedure with a satellite network;determining, by the processor, that an attempt counter reaches a predefined value as a result of the attempting; andperforming, by the processor, one or more operations responsive to the determining.2.The method of Claim 1, wherein the satellite network comprises one or more of a network as part of a 6th Generation (6G) core network, a satellite or non-satellite 6G radio access network (RAN) connected to a 5th Generation (5G) core network or the 6G core network, a 5G core network, a satellite or non-satellite Evolved Universal Terrestrial Radio Access (EUTRA) connected to a 4th Generation (4G) core network, the 5G core network or the 6G core network, or a satellite or non-satellite Next Generation-Radio Access Network (NG-RAN) connected to the 4G core network, the 5G core network or the 6G core network.3.The method of Claim 1, wherein the performing of the one or more operations comprises attempting to select one or more other access technologies.4.The method of Claim 3, wherein the attempting to select one or more other access technologies comprises performing either or both of:selecting a 6th Generation (6G) mode or N1 mode or Evolved Universal Terrestrial Radio Access (EUTRA) mode for a non-satellite cell; andselecting the 6G mode or N1 mode or EUTRA mode for a satellite cell.5.The method of Claim 1, wherein the performing of the one or more operations comprises performing at least one of:disabling a satellite 6th Generation (6G) mode capability in an event that the procedure is a registration procedure attempted over a satellite 6G radio access network (6G-RAN) ;disabling a satellite next-generation radio access network (NG-RAN) mode capability in an event that the procedure is a registration procedure attempted over a satellite NG-RAN; anddisabling a satellite Evolved Universal Terrestrial Radio Access (EUTRA) mode capability in an event that the procedure is a registration or attach or tracking area update (TAU) procedure attempted over a satellite EUTRA.6.The method of Claim 1, wherein the attempting to perform the procedure comprises attempting to perform the procedure via a satellite next-generation radio access network (NG-RAN) access while the UE is operating in a single-registration mode.7.The method of Claim 6, wherein the performing of the one or more operations comprises handling Evolved Packet System (EPS) Mobility Management (EMM) parameters EPS update status, an EMM state, a 4th Generation (4G) Globally Unique Temporary Identifier (4G-GUTI) , a tracking area identity (TAI) list, a last visited registered TAI, a list of equivalent public land mobile networks (PLMNs) , and Key Set Identifier for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) (eKSI) .8.The method of Claim 7, wherein the handling comprises handling when an EPS attach procedure via a satellite Evolved Universal Terrestrial Radio Access (EUTRA) access fails and a value of the attempt counter, as an attach attempt counter, is equal to the predefined value.9.The method of Claim 8, wherein the predefined value is 5.10.A method, comprising:attempting, by a processor of a user equipment (UE) , to perform a procedure with a satellite network;determining, by the processor, that an attempt counter reaches a predefined value as a result of the attempting; andperforming, by the processor, one or more operations responsive to the determining, wherein the one or more operations comprises at least one of:attempting to select one or more other access technologies by performing either or both of:selecting a 6th Generation (6G) mode or N1 mode or Evolved Universal Terrestrial Radio Access (EUTRA) mode for a non-satellite cell; andselecting the 6G mode or N1 mode or EUTRA mode for a satellite cell;disabling a satellite 6G mode capability in an event that the procedure is a registration procedure attempted over a satellite 6G radio access network (6G-RAN) ;disabling a satellite next-generation radio access network (NG-RAN) mode capability in an event that the procedure is a registration procedure attempted over a satellite NG-RAN;disabling a satellite EUTRA mode capability in an event that the procedure is a registration or attach or tracking area update (TAU) procedure attempted over a satellite EUTRA; andhandling Evolved Packet System (EPS) Mobility Management (EMM) parameters EPS update status, an EMM state, a 4th Generation (4G) Globally Unique Temporary Identifier (4G-GUTI) , a tracking area identity (TAI) list, a last visited registered TAI, a list of equivalent public land mobile networks (PLMNs) , and Key Set Identifier for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) (eKSI) .11.The method of Claim 10, wherein the handling comprises handling when an EPS attach procedure via a satellite EUTRA access fails and a value of the attempt counter, as an attach attempt counter, is equal to the predefined value.12.An apparatus implementable in a user equipment (UE) , comprising:a transceiver configured to communicate wirelessly; anda processor coupled to the transceiver and configured to perform operations comprising:attempting, via the transceiver, to perform a procedure with a satellite network;determining that an attempt counter reaches a predefined value as a result of the attempting; andperforming, via the transceiver, one or more operations responsive to the determining.13.The apparatus of Claim 12, wherein the satellite network comprises one or more of a network as part of a 6th Generation (6G) core network, a satellite or non-satellite 6G radio access network (RAN) connected to a 5th Generation (5G) core network or the 6G core network, a 5G core network, a satellite or non-satellite Evolved Universal Terrestrial Radio Access (EUTRA) connected to a 4th Generation (4G) core network, the 5G core network or the 6G core network, or a satellite or non-satellite Next Generation-Radio Access Network (NG-RAN) connected to the 4G core network, the 5G core network or the 6G core network.14.The apparatus of Claim 12, wherein the performing of the one or more operations comprises attempting to select one or more other access technologies.15.The apparatus of Claim 14, wherein the attempting to select one or more other access technologies comprises performing either or both of:selecting a 6th Generation (6G) mode or N1 mode or Evolved Universal Terrestrial Radio Access (EUTRA) mode for a non-satellite cell; andselecting the 6G mode or N1 mode or EUTRA mode for a satellite cell.16.The apparatus of Claim 12, wherein the performing of the one or more operations comprises performing at least one of:disabling a satellite 6th Generation (6G) mode capability in an event that the procedure is a registration procedure attempted over a satellite 6G radio access network (6G-RAN) ;disabling a satellite next-generation radio access network (NG-RAN) mode capability in an event that the procedure is a registration procedure attempted over a satellite NG-RAN; anddisabling a satellite Evolved Universal Terrestrial Radio Access (EUTRA) mode capability in an event that the procedure is a registration or attach or tracking area update (TAU) procedure attempted over a satellite EUTRA.17.The apparatus of Claim 12, wherein the attempting to perform the procedure comprises attempting to perform the procedure via a satellite next-generation radio access network (NG-RAN) access while the UE is operating in a single-registration mode.18.The apparatus of Claim 17, wherein the performing of the one or more operations comprises handling Evolved Packet System (EPS) Mobility Management (EMM) parameters EPS update status, an EMM state, a 4th Generation (4G) Globally Unique Temporary Identifier (4G-GUTI) , a tracking area identity (TAI) list, a last visited registered TAI, a list of equivalent public land mobile networks (PLMNs) , and Key Set Identifier for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) (eKSI) .19.The apparatus of Claim 18, wherein the handling comprises handling when an EPS attach procedure via a satellite Evolved Universal Terrestrial Radio Access (EUTRA) access fails and a value of the attempt counter, as an attach attempt counter, is equal to the predefined value.20.The apparatus of Claim 19, wherein the predefined value is 5.
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