WO2019063867A1 - Réduction de fausse radiomessagerie - Google Patents

Réduction de fausse radiomessagerie Download PDF

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Publication number
WO2019063867A1
WO2019063867A1 PCT/FI2017/050686 FI2017050686W WO2019063867A1 WO 2019063867 A1 WO2019063867 A1 WO 2019063867A1 FI 2017050686 W FI2017050686 W FI 2017050686W WO 2019063867 A1 WO2019063867 A1 WO 2019063867A1
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Prior art keywords
paging
user equipment
location
paging location
threshold
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PCT/FI2017/050686
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English (en)
Inventor
Ahmad AWADA
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Nokia Technologies Oy
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.)
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Application filed by Nokia Technologies Oy filed Critical Nokia Technologies Oy
Priority to PCT/FI2017/050686 priority Critical patent/WO2019063867A1/fr
Publication of WO2019063867A1 publication Critical patent/WO2019063867A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel

Definitions

  • This invention relates generally to paging user equipment in wireless networks and, more specifically, relates to reduction of false paging in wireless networks.
  • these common channels are used to provide the User Equipment (UEs) with synchronization signals, cell/beam reference signals, system information (cf. MIB & SIB in LTE) as well as paging information.
  • UEs User Equipment
  • system information cf. MIB & SIB in LTE
  • beam sweeping is performed by the gNB to allow RACH access via any beam direction in the cell.
  • the paging mechanism is used by the network to inform the UE about an incoming call or data message as well as for any system information update, Earthquake and Tsunami Warning System (EWTS) primary and secondary notifications or Commercial Mobile Alert Service (CMAS). See 3 GPP TS 36.331, Radio Resource Control.
  • the paging agent in NR (cf. MME in LTE) sends a paging message to all gNBs belonging to the list of Tracking Area IDs (TAIs) for which the UE is registered, and the gNBs transmit in turn the paging message to the UEs.
  • TAIs Tracking Area IDs
  • the UE can determine if it shall access the network for an incoming call or data transfer by checking the identities of the paged users. If the identity of the UE is listed in the paging record list, then the UE shall access the network to receive the incoming call or data.
  • a method comprises transmitting, by a network node, common configuration parameters that a user equipment uses to derive a first paging location, and comprises using, by the network node, the first paging location to page the user equipment at times the user equipment is paged.
  • the method comprises determining at the network node that a paging rate of the user equipment is above the threshold, and comprises configuring, by the network node, the user equipment with a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold.
  • the method comprises using, by the network node, the second paging location to page the user equipment at times the user equipment is paged, and ceasing to use the first paging location for paging the user equipment.
  • An additional exemplary embodiment includes a computer program, comprising code for performing the method of the previous paragraph, when the computer program is run on a processor.
  • An exemplary apparatus includes one or more processors and one or more memories including computer program code.
  • the one or more memories and the computer program code are configured to, with the one or more processors, cause the apparatus to perform at least the following: transmitting, by a network node, common configuration parameters that a user equipment uses to derive a first paging location; using, by the network node, the first paging location to page the user equipment at times the user equipment is paged; determining at the network node that a paging rate of the user equipment is above the threshold; configuring, by the network node, the user equipment with a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold; and using, by the network node, the second paging location to page the user equipment at times the user equipment is paged, and ceasing to use the first paging location for paging the user equipment.
  • An exemplary computer program product includes a computer-readable storage medium bearing computer program code embodied therein for use with a computer.
  • the computer program code includes: code for transmitting, by a network node, common configuration parameters that a user equipment uses to derive a first paging location; code for using, by the network node, the first paging location to page the user equipment at times the user equipment is paged; code for determining at the network node that a paging rate of the user equipment is above the threshold; code for configuring, by the network node, the user equipment with a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold; and code for using, by the network node, the second paging location to page the user equipment at times the user equipment is paged, and ceasing to use the first paging location for paging the user equipment.
  • an apparatus comprises: means for transmitting, by a network node, common configuration parameters that a user equipment uses to derive a first paging location; means for using, by the network node, the first paging location to page the user equipment at times the user equipment is paged; means for determining at the network node that a paging rate of the user equipment is above the threshold; means for configuring, by the network node, the user equipment with a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold; and means for using, by the network node, the second paging location to page the user equipment at times the user equipment is paged, and means for ceasing to use the first paging location for paging the user equipment.
  • a further exemplary embodiment is a method that comprises receiving, by a user equipment, common configuration parameters for deriving a first paging location, and monitoring, by the user equipment, the first paging location.
  • the method further comprises receiving, by the user equipment, a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold.
  • the method also comprises monitoring, by the user equipment and based on the paging rate of the user equipment being above the threshold, the second paging location, and ceasing to monitor the first paging location.
  • An additional exemplary embodiment includes a computer program, comprising code for performing the method of the previous paragraph, when the computer program is run on a processor.
  • the computer program according to this paragraph, wherein the computer program is a computer program product comprising a computer-readable medium bearing computer program code embodied therein for use with a computer.
  • An exemplary apparatus includes one or more processors and one or more memories including computer program code.
  • the one or more memories and the computer program code are configured to, with the one or more processors, cause the apparatus to perform at least the following: receiving, by a user equipment, common configuration parameters for deriving a first paging location; monitoring, by the user equipment, the first paging location; receiving, by the user equipment, a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold; and monitoring, by the user equipment and based on the paging rate of the user equipment being above the threshold, the second paging location, and ceasing to monitor the first paging location.
  • An exemplary computer program product includes a computer-readable storage medium bearing computer program code embodied therein for use with a computer.
  • the computer program code includes: code for receiving, by a user equipment, common configuration parameters for deriving a first paging location; code for monitoring, by the user equipment, the first paging location; code for receiving, by the user equipment, a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold; and code for monitoring, by the user equipment and based on the paging rate of the user equipment being above the threshold, the second paging location, and ceasing to monitor the first paging location.
  • an apparatus comprises: means for receiving, by a user equipment, common configuration parameters for deriving a first paging location; means for monitoring, by the user equipment, the first paging location; means for receiving, by the user equipment, a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold; and means for monitoring, by the user equipment and based on the paging rate of the user equipment being above the threshold, the second paging location, and ceasing to monitor the first paging location.
  • FIG. 1 is a block diagram of one possible and non-limiting exemplary system in which the exemplary embodiments may be practiced;
  • FIG. 2 is a signaling diagram indicating signaling flow when all RRC Idle UEs are paged using S-TMSI;
  • FIG. 3 is a logic flow diagram of an exemplary embodiment performed by a network node for reduction of false paging, and is used when the network node primarily controls the operations in the system for reduction of false paging and corresponds in part to a first option for an entity triggering actions performed by a user equipment in response to a paging rate of the user equipment being determined to be high;
  • FIG. 4 is a logic flow diagram performed by a user equipment corresponding to the flow in FIG. 3;
  • FIG. 5 is a logic flow diagram of an exemplary embodiment performed by a network node for reduction of false paging, and is used when the user equipment has a larger role for reduction of false paging than performed in FIGS. 3 and 4 and corresponds in part to a second option for an entity triggering actions performed by a user equipment in response to a paging rate of the user equipment being determined to be high; and
  • FIG. 6 is a logic flow diagram performed by a user equipment corresponding to the flow in FIG. 5.
  • the exemplary embodiments herein describe techniques for reduction of false paging. Additional description of these techniques is presented after a system into which the exemplary embodiments may be used is described.
  • FIG. 1 shows a block diagram of one possible and non- limiting exemplary system in which the exemplary embodiments may be practiced.
  • a user equipment (UE) 110 is in wireless communication with a wireless network 100.
  • a UE is a wireless, typically mobile device that can access a wireless network.
  • the UE 110 includes one or more processors 120, one or more memories 125, and one or more transceivers 130 interconnected through one or more buses 127.
  • Each of the one or more transceivers 130 includes a receiver, Rx, 132 and a transmitter, Tx, 133.
  • the one or more buses 127 may be address, data, or control buses, and may include any interconnection mechanism, such as a series of lines on a motherboard or integrated circuit, fiber optics or other optical
  • the UE 110 includes a paging module 140, comprising one of or both parts 140-1 and/or 140-2, which may be implemented in a number of ways.
  • the paging module 140 may be implemented in hardware as paging module 140-1, such as being implemented as part of the one or more processors 120.
  • the paging module 140-1 may be implemented also as an integrated circuit or through other hardware such as a programmable gate array.
  • the paging module 140 may be implemented as paging module 140-2, which is implemented as computer program code 123 and is executed by the one or more processors 120.
  • the one or more memories 125 and the computer program code 123 may be configured to, with the one or more processors 120, cause the user equipment 110 to perform one or more of the operations as described herein.
  • the UE 110 communicates with gNB 170 via a wireless link 111.
  • the next generation NodeB (gNB) 170 is a base station (e.g., evolved NodeB for LTE, long term evolution) that provides access by wireless devices such as the UE 110 to the wireless network 100.
  • the gNB 170 includes one or more processors 152, one or more memories 155, one or more network interfaces (N/W I/F(s)) 161, and one or more
  • the transceivers 160 interconnected through one or more buses 157.
  • Each of the one or more transceivers 160 includes a receiver, Rx, 162 and a transmitter, Tx, 163.
  • the one or more transceivers 160 are connected to one or more antennas 158.
  • the one or more memories 155 include computer program code 153.
  • the gNB 170 includes a paging module 150, comprising one of or both parts 150-1 and/or 150-2, which may be implemented in a number of ways.
  • the paging module 150 may be implemented in hardware as paging module 150-1, such as being implemented as part of the one or more processors 152.
  • the paging module 150-1 may be implemented also as an integrated circuit or through other hardware such as a
  • the paging module 150 may be implemented as paging module 150-2, which is implemented as computer program code 153 and is executed by the one or more processors 152.
  • the one or more memories 155 and the computer program code 153 are configured to, with the one or more processors 152, cause the gNB 170 to perform one or more of the operations as described herein.
  • the one or more network interfaces 161 communicate over a network such as via the links 176 and 131.
  • Two or more gNBs 170 communicate using, e.g., link 176.
  • the link 176 may be wired or wireless or both and may implement, e.g., an X2 interface.
  • the one or more buses 157 may be address, data, or control buses, and may include any interconnection mechanism, such as a series of lines on a motherboard or integrated circuit, fiber optics or other optical communication equipment, wireless channels, and the like.
  • the one or more transceivers 160 may be implemented as a remote radio head (RRH) 195, with the other elements of the gNB 170 being physically in a different location from the RRH, and the one or more buses 157 could be implemented in part as fiber optic cable to connect the other elements of the gNB 170 to the RRH 195.
  • RRH remote radio head
  • the wireless network 100 may include a network control element (NCE) 190 that may include MME (Mobility Management Entity)/SGW (Serving Gateway)/paging agent functionality, and which provides connectivity with a further network, such as a telephone network and/or a data communications network (e.g., the Internet).
  • the gNB 170 is coupled via a link 131 to the NCE 190.
  • the link 131 may be implemented as, e.g., an SI interface.
  • the NCE 190 includes one or more processors 175, one or more memories 171, and one or more network interfaces (N/W I/F(s)) 180, interconnected through one or more buses 185.
  • the one or more memories 171 include computer program code 173.
  • the paging module 182 may be formed in one or both of the processor(s) 175 or the computer program code 173.
  • the one or more memories 171 and the computer program code 173 may therefore configured to, with the one or more processors 175 and the paging module 182, cause the NCE 190 to perform one or more operations described herein.
  • each cell can correspond to a single carrier and an gNB may use multiple carriers. So if there are three 120 degree cells per carrier and two carriers, then the gNB has a total of 6 cells.
  • the wireless network 100 may implement network virtualization, which is the process of combining hardware and software network resources and network functionality into a single, software-based administrative entity, a virtual network.
  • Network virtualization involves platform virtualization, often combined with resource virtualization.
  • Network virtualization is categorized as either external, combining many networks, or parts of networks, into a virtual unit, or internal, providing network-like functionality to software containers on a single system. Note that the virtualized entities that result from the network virtualization are still implemented, at some level, using hardware such as processors 152 or 175 and memories 155 and 171, and also such virtualized entities create technical effects.
  • the computer readable memories 125, 155, and 171 may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as semiconductor based memory devices, flash memory, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory.
  • the computer readable memories 125, 155, and 171 may be means for performing storage functions.
  • the processors 120, 152, and 175 may be of any type suitable to the local technical environment, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on a multi-core processor architecture, as non-limiting examples.
  • the processors 120, 152, and 175 may be means for performing functions, such as controlling the UE 110, gNB 170, NCE 190, and other functions as described herein.
  • the various embodiments of the user equipment 110 can include, but are not limited to, cellular telephones such as smart phones, tablets, personal digital assistants (PDAs) having wireless communication capabilities, portable computers having wireless communication capabilities, image capture devices such as digital cameras having wireless communication capabilities, gaming devices having wireless communication capabilities, music storage and playback appliances having wireless communication capabilities, Internet appliances permitting wireless Internet access and browsing, tablets with wireless communication capabilities, as well as portable units or terminals that incorporate combinations of such functions.
  • cellular telephones such as smart phones, tablets, personal digital assistants (PDAs) having wireless communication capabilities, portable computers having wireless communication capabilities, image capture devices such as digital cameras having wireless communication capabilities, gaming devices having wireless communication capabilities, music storage and playback appliances having wireless communication capabilities, Internet appliances permitting wireless Internet access and browsing, tablets with wireless communication capabilities, as well as portable units or terminals that incorporate combinations of such functions.
  • PDAs personal digital assistants
  • portable computers having wireless communication capabilities
  • image capture devices such as digital cameras having wireless communication capabilities
  • gaming devices having wireless communication capabilities
  • music storage and playback appliances having wireless communication capabilities
  • the paging agent sends a paging message to all gNBs belonging to the list of TAIs for which the UE is registered, and the gNBs transmit in turn the paging message to the UEs.
  • the UE Upon decoding the paging message on a specific PO, the UE can know if it shall access the network for an incoming call or data transfer by checking the identities of the paged users. If the identity of the UE is listed in the paging record list, then the UE shall access the network to receive the incoming call or data.
  • the paging agent of the UE could be different depending on the RRC state of the paged UE. If the paged UE is in the RRC idle state, the paging agent is the MME. However, if the UE is in RAN controlled inactive state the paging agent may be the gNB terminating the SI connections of the UE (e.g., the anchor gNB). Concerning the RAN controlled inactive state, see Nokia and Alcatel-Lucent Shanghai Bell, "Discussion of RRC States in NR", R2- 163441, 3 GPP TSG-RAN WG2 Meeting #94, 23-27 May, 2016, Nanjing, China.
  • the size of the paging message is dominated by the size of the paging record list containing the identities of the UEs that are paged.
  • the paging identity can be either SAE- Temporary Mobile Subscriber Identity (S-TMSI) of 40 bits (5 octets) or International Mobile Subscriber Identity (IMSI) of 64 bits (8 octets).
  • S-TMSI SAE- Temporary Mobile Subscriber Identity
  • IMSI International Mobile Subscriber Identity
  • the IMSI is used only in some abnormal cases for error recovery, see 3GPP TS 24.301 , Non-access stratum (NAS) protocol for evolved packet system.
  • the size of the paging record list can be between 640 bits and 1024 bits corresponding to the case when all UEs are paged using S-TMSI and IMSI, respectively.
  • the transmission of the paging record list using beam sweeping is extremely expensive in terms of radio resources, considering the large size of the paging record list.
  • a PO is a subframe in a paging frame, see, 3GPP TS 36.304 V14.3.0 (2017-06), Section 7, or more generally a time occasion in which the corresponding PI of a UE is transmitted.
  • PGID Paging Group Identity
  • a bitmap of, e.g., 1010 may indicate that the UEs of the first and third PGs are paged, and each bit in the bitmap is a PI for UEs in a corresponding group.
  • All UEs in the group that are monitoring the same PI and able to decode the paging message perform uplink access if their corresponding PI is indicated/set in PO
  • these UEs convey their user identity to gNBs, which in turn compare the user identities received from the UEs with the list of user identities for the paged UEs received from the paging agent. Then, gNBs reply with a response to all those UEs that are paged, and, for other UEs monitoring the same PI but that are not paged, these UEs do not get a response from the gNB or as an alternative option receive a false paging indication.
  • the UE is not paged by the network, it has to perform UL access each time its corresponding PI is set by the network. The UL access should be performed by the UE since it does not know if it is paged or not. If it is not paged, then the UL access was in vain, resulting in so called "false-paging".
  • FIG. 2 shows a paging signaling flow for RRC idle UEs when a paging record list received from the paging agent (e.g. MME) contains only S-TMSIs. Note that only Pis are transmitted using beam sweeping and all other messages between the UE and the network are signaled using dedicated transmission.
  • the paging agent e.g. MME
  • the paging agent (e.g., MME) 190 sends a paging record list containing the user identities (e.g., S-TMSIs) of paged UEs 110.
  • the base station (e.g., gNB) 170 in step 220 sends Pis of paged UEs, transmitted using beam sweeping to, e.g., UE 110.
  • each UE 110 monitoring one of the indicted Pis reply with its individual S-TMSI.
  • step 240 the base station 170 compares the S-TMSI received from the UEs with the list of S- TMSIs received from the paging agent 190: For UEs 110 with S-TMSI match, the base station 170 replies with a response. The response is illustrated in step 250, where the base station 170 responds for all UEs with S-TMSI match.
  • the paging record list need not be transmitted over the downlink since the network is checking as to which UEs are paged. This requires that Pis having much smaller size than a paging record list are transmitted using beam sweeping instead of using the paging record list. Transmission of Pis rather than the complete paging record list leads to a much better usage of radio resources and to more efficient system.
  • PGi 1 + (IMSI k mod Ng), where IMSlk is the IMSI of the k th UE, Ng is the total number of PGs, and mod is the modulo operation. Due to the random nature of the IMSI, the UEs in the cell are expected be distributed evenly over all PGs and POs.
  • a problem with this approach is that a frequently paged UE(s) such as a hotline, an emergency line or UE(s) running applications that receive data more frequently from remote servers, may map or belong to the same PG containing UEs that are paged infrequently or with a much lower frequency. Consequently, the infrequently paged UEs may have to perform additional unnecessary UL access each time the frequently-paged UE(s) is paged. This leads to an increase in the rate of false paging causing higher signaling overhead and increased UE power consumption.
  • the UE 110 determines the PO and radio frame containing the PO, denoted by paging frame, using the UE ID defined as the following (see 3GPP TS 36.331, Radio Resource Control):
  • UE ID IMSI mod 1024.
  • IMSI ensures that the UEs are distributed to some extent evenly over all POs and paging frames.
  • the UE needs to monitor one Paging Indicator (PI) per one Paging
  • the Pis are carried on a Paging Indicator Channel (PICH) physical channel. If the PI is set in a PICH frame, a paging message containing the user identities (S-TMSI/IMSI) is transmitted on the Paging Channel (PCH) transport channel which is mapped to Secondary Common Control Physical Channel (S-CCPCH), i.e., S- CCPCH carries the paging message corresponding to the PI in the PICH.
  • PICH Paging Indicator Channel
  • PCH Paging Channel
  • S-CCPCH Secondary Common Control Physical Channel
  • the high layer PI is determined by the UE using the following formula:
  • DRX Index IMSI div 8192.
  • the PI is determined using the IMSI, which is a fixed and permanent identifier. From that perspective, the PI that the UE will monitor is fixed according the specifications. This is similar to LTE, where the paging frame and paging occasion are determined using the IMSI of the UE.
  • the network broadcasts the paging message containing the user identities (S-TMSI/IMSI) of the paged UEs.
  • the UE Upon receiving the paging message, the UE checks if its user identity is present in the paging record list. If present, the UE performs UL access to get the incoming call/data transfer. Otherwise, the UE sleeps again.
  • each UE checks if its PI is broadcasted in a PO. If broadcasted, all the UEs monitoring the same PI perform UL access and convey their UE identities to the network, see FIG. 2. The network acknowledges the truly paged UEs, and sends a false-indication for non-paged UE.
  • the paging message containing the user identities is transmitted over the radio.
  • each UE knows if it is paged or not by simply reading the paging message. Only paged UEs perform UL access. As such, false-paging should not occur as in the response-driven paging for NR.
  • some UEs 110 may be configured to start monitoring a specific/new Paging Indicator (PI), e.g., paging group ID (PGID) or a specific bit in a bitmap, or a new PO that is distinct from those used by the remaining UEs, if their paging rate is deemed to be high.
  • PI Paging Indicator
  • PID paging group ID
  • a new PO that is distinct from those used by the remaining UEs
  • the UE can inform (e.g., via signaling) the network about its capability of monitoring a new PI/PO in case its paging rate is deemed to be high. This helps the network to identify the UEs that can be configured to monitor a new specific PI/PO. The implementation details are described below.
  • the techniques allow grouping of frequently paged UEs separately from infrequently paged UEs. As a result, the infrequently paged UEs do not have to perform additional unnecessary UL access each time the frequently paged UEs are paged. This reduces the false paging rate along with the associated UL signaling overhead and UE power consumption.
  • Section A Actions performed by the UE upon determining (by the network or UE, see Section B below) that its paging rate is high. It is assumed that paging rate is a number of pages to a UE divided by a time period.
  • a paging rate is considered high if the paging rate is greater or equal to a threshold value.
  • the threshold value may be set to the average paging rate of all UEs in the scope of view, e.g., scope may be a cell or a paging area, a tracking area, and other views on the network.
  • the threshold could be as well set considering only the paging rates of the UEs belonging to the same paging group and monitoring the same PI: For instance, the threshold may be set such that only UEs with outlier paging rates exceed the paging rate.
  • the threshold value may be also set to some other value, e.g., so that 90% (90 percent) of the UEs are not considered as having a high paging rate.
  • the UE may be configured to start monitoring a new specific PI.
  • the paging indicator could be the last bit in a bitmap or a specific PG ID, e.g., 1111.
  • the UE may be configured to start monitoring a new specific PO.
  • the new specific PI/PO are different from the PI/PO that are derived using IMSI. Moreover, they can be configured only for one UE or for multiple UEs that are highly paged.
  • Section B Entity triggering the actions summarized in Section A and radio signaling
  • the paging agent e.g., MME or anchor gNB
  • the paging agent can determine which UE is frequently paged, e.g., paging rate > threshold, and can configure the UE using a dedicated signaling to start one of the actions summarized in Section A above.
  • the dedicated signaling could be a Non- Access Stratum (NAS) message in case the paging agent is an MME.
  • NAS Non- Access Stratum
  • the anchor gNB this is the gNB terminating the SI connection for PvRC inactive UEs.
  • the SI connection of RRC inactive UEs is kept alive and is terminated by one gNB called the anchor gNB, i.e., however no radio interface/communication as in RRC idle UEs.
  • the anchor gNB or the MME can initiate the paging procedure: If the paging procedure is initiated by gNB, it is then called "RAN paging". The anchor gNB will send the paging message to all gNBs of the tracking area (similar to what the MME does).
  • the UE performs UL access and resumes the connection, i.e., no need to re-establish the SI connection as this connection is still alive.
  • the anchor gNB does not have to go through another anchor gNB in order to reach the UE.
  • the UE can be reached by a gNB belonging to the "RAN tracking areas" that are under the reach/control of an anchor gNB. This is similar to the case when the paging agent is an MME.
  • the triggering of the action can be initiated by any gNB in the tracking area. That is, the gNB to which the highly paged UE will connect once being paged.
  • This gNB belongs to the tracking area that is controlled by the paging agent (anchor gNB or MME).
  • the gNB may configure the UE using dedicated signaling and inform the paging agent about its decision and signaled configuration.
  • the paging agent can instruct the gNBs of the tracking areas to configure the UE using dedicated signaling and to inform the paging agent about the signaled configuration.
  • the paging agent informs all the cells in the tracking areas about the configured actions such that the cells can know how to transmit the paging indicator over the radio for these frequently paged UEs, i.e., which PI or PO to use.
  • the dedicated signaling can be performed in one of the instances the
  • UE is paged, as illustrated below.
  • the dedicated signaling may configure the UE to monitor a specific paging indicator in the same PO, or to monitor a new PO that is distinct from those used by remaining UEs.
  • the dedicated signaling may specify directly the PI/PO to monitor.
  • the dedicated signaling may provide the UE with new parameters that the UE will use to derive the new specific PI/PO.
  • the dedicated signaling may only direct the UE to start one of the actions summarized in Section A above.
  • the configuration parameters for deriving the new specific PI/PO can be conveyed in, e.g., Minimum System Information (SI) that is periodically broadcasted.
  • SI Minimum System Information
  • the network may reconfigure the UE to re-use the normal monitoring procedure for PI/PO (same as that used by the remaining UEs which has been described above). To avoid ping-pongs, the network may re-configure the UE only in response to the paging rate being below the threshold by a certain window value.
  • the UE 110 triggers the start of one of the actions summarized in Section A using the assistance information broadcasted by the network, such as the following.
  • the UE may start one of the actions summarized in Section A as configured by the network.
  • the UE may stop the configured action if its paging rate becomes below the threshold by a certain window that is configured by the network.
  • Section C Actions performed during tracking area update
  • This section describes possible actions performed during a tracking area update.
  • the new paging agent may fetch from the old MME or anchor gNB (i.e., the old paging agent) the paging configuration used for reaching a frequently paged UE 110, i.e., the specific PI or PO that are used only by frequently paged UEs, paging rate threshold, and the like.
  • the old MME or anchor gNB i.e., the old paging agent
  • the paging configuration used for reaching a frequently paged UE 110 i.e., the specific PI or PO that are used only by frequently paged UEs, paging rate threshold, and the like.
  • a frequently paged UE may inform directly the new paging agent about its paging configuration upon performing tracking area update. Both options allow the continuity of the action configured for frequently paged UEs and avoid resetting the paging rate counters with each tracking area update.
  • the UE may inform the network about its capability of monitoring a new PI/PO in case its paging rate is deemed to be high.
  • the UE can include in the signaling its IMSI, which identifies the UE uniquely. Using this signaling, the network can know which UEs the network can configure to monitor a new specific PI/PO.
  • FIGS. 3 and 4 correspond in part to the first option in Section B.I., where FIG. 3 is directed to a network node and FIG. 4 is directed to a UE. In this first option, the UE has a smaller role (and the network has a larger role) in performing actions based on the threshold. Meanwhile, FIGS. 5 and 6 correspond in part to the second option in Section B.I., where FIG. 5 is directed to a network node and FIG. 6 is directed to a UE. In this second option, the UE has a larger role in performing actions based on the threshold.
  • FIGS. 5 and 6 correspond in part to the second option in Section B.I., where FIG. 5 is directed to a network node and FIG. 6 is directed to a UE. In this second option, the UE has a larger role in performing actions based on the threshold.
  • FIG. 3 is a logic flow diagram of an exemplary embodiment performed by a network node for reduction of false paging, and is used when the network node primarily controls the operations in the system for reduction of false paging and corresponds in part to a first option for an entity triggering actions performed by a user equipment in response to a paging rate of the user equipment being determined to be high.
  • the blocks in FIG. 3 are assumed to be performed by a base station such as gNB 170, e.g., under control of the paging module 150 at least in part, although some of the blocks may also be performed by a paging agent (such as an MME) 190, e.g., under control of the paging module 182 at least in part.
  • a paging agent such as an MME
  • the term "network node" will be used, and it is assumed the network node is a base station unless described differently.
  • the network has a larger role than does a UE 110 for performing actions in the system based on a threshold used to determine whether the paging rate of the UE is deemed to be high. For instance, the UE 110 does not perform comparisons of paging rate with the threshold in this example (and the example of FIG. 4).
  • a first paging location used for low paging rate (e.g., "normal" UEs) is configured.
  • the network commands this highly-paged UE only (e.g., using dedicated signaling) to start using a second paging location. Dictating a UE to move to a specific paging location is not possible using the common configuration parameters since these are used for all UEs. Moreover, the role of the common configuration is to ensure that an almost equal number of UEs are monitoring the different PO/PIs in a DRX cycle. In other words, the paging rate of the UEs does not play a role for determining the first paging location.
  • the UEs will keep using the first paging location that they have derived until they are configured with the second paging location. Once receiving the configuration of the second paging location, the UE should know implicitly that it is a highly-paged UE. If the paging rate of this UE falls below a threshold- window, the network would configure the UE (or UEs) to stop using the second paging location.
  • a network node e.g., a base station 170 transmits common configuration parameters, e.g., via broadcast transmission, that all UEs (including UE 110) will use in addition to their UE identities, e.g., IMSI, to derive the first paging location.
  • the first paging location may use a PI and/or PO, as described previously.
  • the UE monitors the first paging location (and not the second paging location) as long as it did not receive a command from the network to monitor the second paging location.
  • the network node uses the first paging location (e.g., first PI, first PO) to page the UE 110 at times the user equipment is paged. That is, the base station 170 may or may not page the UE for each possible time the UE could be paged. It is also noted that the paging may cause communication by the UE with the network node, e.g., to receive a call and/or data. This is not illustrated in FIGS. 3 or 4 with respect to the first paging location, but is illustrated in block 340 with respect to the second paging location.
  • the first paging location e.g., first PI, first PO
  • the network node such as the base station 170 determines whether paging rate is high (e.g., greater than the threshold) for the UE.
  • paging rate e.g., greater than the threshold
  • greater than the threshold may mean equal to or greater than the threshold, or greater than the threshold, depending on implementation.
  • less than the threshold may mean (respectively) less than but not equal to the threshold, or equal to or less than the threshold, depending on implementation.
  • the configuring in block 320 may use dedicated signaling specifying one or both of a paging indicator and a paging occasion, different from the common configuration parameters, to monitor by the user equipment for the second paging location.
  • This configuration triggers the UE to monitor the second paging location (and not the first paging location).
  • the second paging location is, e.g., the following (see also Section A above): A new (e.g., second) specific PI in block 325; and/or a new (e.g., second) specific PO in block 330.
  • a new (e.g., second) specific PI in block 325 and/or a new (e.g., second) specific PO in block 330.
  • An exemplary and non-limiting summary of these options is as follows, where the second paging location is related to the first paging location, which was derived using the common configuration parameters as described above:
  • block 320 may be performed (see block 307) by a base station (gNB) 170 by itself, or a paging agent (MME 190 or anchor gNB).
  • the paging agent may inform the cells in the tracking areas for the UE 110. That is, the paging agent may inform the cells in the tracking areas about the configured actions such that the cells can know how to transmit the paging indicator over the radio for these frequently paged UEs, i.e., which PI or PO to use.
  • the network node uses the second paging location to page the UE at times the user equipment is paged.
  • the base station 170 may or may not need to page the UE for a second paging location that occurs at a certain time.
  • the first location is no longer used by the network node for this UE, for paging purposes, while the second location is to be used.
  • the network node e.g., the base station 170
  • the network node communicates with the UE 110 in accordance with paging procedures, which may result in the UE receiving an incoming call or data.
  • the network node determines whether the paging rate is no longer high (e.g., below the threshold, e.g., by a window). As described above, this may use a window to reduce or prevent ping-pongs in transitioning between the first and second paging locations.
  • the network node e.g., base station 170
  • FIG. 4 is a logic flow diagram performed by a user equipment, and this figure corresponds to the flow in FIG. 3.
  • the blocks in FIG. 4 are assumed to be performed by the UE 110, e.g., under control of the paging module 140 at least in part.
  • the UE 110 receives a first common configuration from the network, e.g., via broadcast transmission, that the UE will use in addition to the UE identity, e.g., IMSI, to derive the first paging location.
  • the first paging location is a first PI or first PO.
  • the UE monitors the first paging location (and not the second paging location) as long as the UE did not receive a command from the network to monitor a second paging location.
  • the UE 110 monitors the first paging location for paging information (e.g., and would access the base station in accordance with normal paging procedures if the UE receives paging on the first paging location).
  • paging information e.g., and would access the base station in accordance with normal paging procedures if the UE receives paging on the first paging location.
  • the second paging location may be a new (e.g., second) specific PI (block 32) and/or a new (e.g., second) specific PO (block 330).
  • the UE 110 has a larger role, relative to its role in FIGS. 3 and 4, for performing actions in the system based on a threshold used to determine whether the paging rate of the UE is deemed to be high. For instance, the UE 110 will perform comparisons of paging rate with the threshold in this example.
  • FIG. 5 is a logic flow diagram of an exemplary embodiment performed by a network node for reduction of false paging, and is used when the user equipment has a larger role for reduction of false paging than performed in FIGS. 3 and 4 and corresponds in part to a second option for an entity triggering actions performed by a user equipment in response to a paging rate of the user equipment being determined to be high.
  • the blocks in FIG. 5 are a logic flow diagram of an exemplary embodiment performed by a network node for reduction of false paging, and is used when the user equipment has a larger role for reduction of false paging than performed in FIGS. 3 and 4 and corresponds in part to a second option for an entity triggering actions performed by a user equipment in response to a paging rate of the user equipment being determined to be high.
  • paging module 150 are assumed to be performed by a base station such as gNB 170, e.g., under control of the paging module 150 at least in part, although some of the blocks may also be performed by a paging agent (such as an MME) 190, e.g., under control of the paging module 182 at least in part.
  • a paging agent such as an MME
  • network node will be used, and it is assumed the network node is a base station unless described differently.
  • a network node configures a UE 110 with common parameters to derive first paging location, a second paging location, a threshold, and possibly a window.
  • the first paging location is based on the user equipment having a paging rate below a threshold
  • the second paging location is based on the user equipment having its paging rate greater than the threshold.
  • the configuring the user equipment with the second paging location may be performed using dedicated signaling to specify parameters, different from the common configuration parameters, that the user equipment uses to derive the second paging location. Other options are also possible.
  • Block 503 configures the UE 110 to use these values to determine whether the first or second paging location should be monitored, based on the threshold (with the window, if used).
  • Block 503 may be performed (block 507) by a paging agent (MME or an anchor gNB), or a gNB (e.g., cell) to which the UE may connect when paged.
  • the UE may receive the configuration using the Minimum System Information that is broadcasted periodically.
  • the paging agent may inform the cells in the tracking areas for the UE 110.
  • the paging agent may inform the cells in the tracking areas about the configured actions such that the cells can know how to transmit the paging indicator over the radio for these frequently paged UEs, i.e., which PI or PO to use.
  • the first paging location is defined by a first PI or a first PO.
  • the second paging location is defined based on a new (e.g., second) specific PI in block 325; and/or a new (e.g., second) specific PO (block 330). It is noted that the configuration in block 503 may be performed via single or multiple actions (e.g., messages), and may also take place at different locations in the flow. For example, configuration of the second paging location might take place after block 510.
  • the network node e.g., base station 170
  • uses the first paging location e.g., first PI, first PO
  • the base station 170 may or may not page the UE for each possible time the UE could be paged.
  • the network node determines whether the paging rate is no longer high (e.g., below the threshold, e.g., by the window). As described above, this may use the window to reduce or prevent ping-pongs between transitions between the first and second paging locations.
  • the network node e.g., base station 170
  • FIG. 6 is a logic flow diagram performed by a user equipment, and this figure corresponds to the flow in FIG. 5.
  • the blocks in FIG. 6 are assumed to be performed by the UE 110, e.g., under control of the paging module 140 at least in part.
  • the UE 110 is configured (by the network node) with common configuration parameters for deriving the first paging location, (e.g., parameters UE can use to derive) a second paging location, a threshold, and possibly a window.
  • the first paging location is based on the user equipment having a paging rate below a threshold
  • the second paging location is based on the user equipment having its paging rate greater than the threshold.
  • the first paging location is defined by a first PI or a first PO.
  • the second paging location is defined based on a new (e.g., second) specific PI in block 325; and/or a new (e.g., second) specific PO (block 330).
  • the UE is configured to use these values to determine whether the first or second paging location should be monitored, based on the threshold (and with the window, if used).
  • the UE 110 monitors the first paging location for paging information (e.g., and would access the base station in accordance with normal paging procedures if the UE receives paging on the first paging location).
  • paging information e.g., and would access the base station in accordance with normal paging procedures if the UE receives paging on the first paging location.
  • the UE 110 stops monitoring the second paging location in block 655 and proceeds to block 605, to monitor the first paging location.
  • the techniques do not exclude the case when the UE is configured to monitor a new specific PI/PO that is exclusive for this UE. This may actually be one of the most prominent use cases for these techniques. For instance, assume that there are 10 UEs monitoring the same paging indicator, among which the paging rate of 9 UEs is X pages/min and for one highly paged UE Z the paging rate is 10X pages/min. If UE Z is put into a separate PI/PO, then each of the 9 UEs will save the 10 X pages/min of UE Z. This shows the clear advantage/gain of the techniques described above. [00120] As a second example, the UE may be configured to start monitoring the paging indicator, among which the paging rate of 9 UEs is X pages/min and for one highly paged UE Z the paging rate is 10X pages/min. If UE Z is put into a separate PI/PO, then each of the 9 UEs will save the 10 X pages/min of UE Z
  • Moving UE Z to group B will reduce the false paging rate on average since the paging rate of the 9 UEs in Group A is lower than those of Group B.
  • Example 1 A method, comprising:
  • Example 2 The method of example 1, further comprising the network node configuring the user equipment with the threshold to be used by the user equipment to determine when to monitor the second paging location and to cease monitoring the first paging location.
  • Example 3 The method of example 2, further comprising the network node configuring the user equipment with a window to be used in conjunction with the threshold to determine by the user equipment when to return to monitoring the first paging location instead of monitoring the second paging location.
  • Example 4 The method of example 1, wherein the network node triggers monitoring by the user equipment of the second paging location instead of the first paging location by configuring the user equipment with the second paging location, and triggers monitoring by the user equipment of the first paging location instead of the second paging location by configuring the user equipment to stop using the second paging location.
  • Example 5 The method of any one of examples 1 to 4, further comprising receiving by the network node and from the user equipment signaling informing the network node about a capability of the user equipment of monitoring the second paging location in case the paging rate of the user equipment is deemed to be high, and at least providing the user equipment with common configuration parameters to derive a first paging location and configuring the user equipment with the second paging location are performed in response to the signaling.
  • Example 6 The method of any one of examples 1 to 5, further comprising one of the network node or a paging agent informing cells within tracking areas for the user equipment about configured actions such that the cells can know how to transmit a paging indicator in the second paging location over a radio for at least the user equipment to be able to receive paging in the second paging location.
  • Example 7 A method, comprising:
  • Example 8 The method of example 7, further comprising:
  • Example 9 The method of example 8, further comprising:
  • Example 10 The method of example 7, further comprising:
  • Example 11 The method of example 7, wherein the user equipment is configured to monitor the first paging location unless information for the second paging location is received, and wherein reception of the second paging location triggers the user equipment to monitor the second paging location and cease to monitor the first paging location.
  • Example 12 The method of any one of examples 7 to 11, further comprising the user equipment informing a network via signaling about its capability of monitoring the second paging location in case its paging rate is deemed to be high, and at least the common configuration to derive the first paging location and the second paging location are received in response to informing the network by the user equipment.
  • Example 13 The method of any one of examples 1 to 12, wherein the second paging location comprises one or both of the following: a specific paging indicator that differs from a paging indicator used for the first paging location; and a specific paging occasion that differs from a paging occasion used for the first paging location.
  • Example 14 The method of example 13, wherein the second location comprises, relative to what is used in the first paging location:
  • a change in a paging indicator is made but a same paging occasion used for the first paging location is used;
  • a change in a paging occasion is made but a same paging indicator used for the first paging location is used;
  • Example 15 The method of any one of examples 1 to 14, wherein configuring the user equipment with the second paging location comprises configuring the user equipment using dedicated signaling specifying one or both of a paging indicator and a paging occasion, different from the common configuration parameters, to monitor by the user equipment for the second paging location.
  • Example 15 A The method of any one of examples 1 to 14, wherein receiving by the user equipment the second paging location comprises receiving by the user equipment dedicated signaling specifying one or both of a paging indicator and a paging occasion, different from the common configuration parameters, to monitor by the user equipment for the second paging location.
  • Example 16 The method of any one of examples 1 to 14, wherein configuring the user equipment with the second paging location comprises configuring the user equipment using dedicated signaling to specify parameters, different from the common configuration parameters, that the user equipment uses to derive the second paging location.
  • Example 16A The method of any one of examples 1 to 14, wherein receiving by the user equipment the second paging location comprises receiving by the user equipment dedicated signaling to specify parameters, different from the common configuration parameters, that the user equipment uses to derive the second paging location.
  • Example 17 The method of any one of examples 1 to 16, further comprising, in response to performing a tracking area update, a new paging agent for the user equipment fetching from an old paging agent a paging configuration used for paging the user equipment via the second paging location.
  • Example 18 The method of any one of examples 1 to 16, further comprising the user equipment informing a new paging agent about its paging configuration upon performing a tracking area update, the paging configuration used for paging the user equipment via the second paging location.
  • Example 19 An apparatus, comprising:
  • [00166] means for transmitting, by a network node, common configuration parameters that a user equipment uses to derive a first paging location; [00167] means for using, by the network node, the first paging location to page the user equipment at times the user equipment is paged;
  • [00168] means for determining at the network node that a paging rate of the user equipment is above the threshold
  • [00169] means for configuring, by the network node, the user equipment with a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold;
  • [00170] means for using, by the network node, the second paging location to page the user equipment at times the user equipment is paged, and means for ceasing to use the first paging location for paging the user equipment.
  • Example 20 The apparatus of example 19, further comprising means for the network node configuring the user equipment with the threshold to be used by the user equipment to determine when to monitor the second paging location and to cease monitoring the first paging location.
  • Example 21 The apparatus of example 20, further comprising the network node configuring the user equipment with a window to be used in conjunction with the threshold to determine by the user equipment when to return to monitoring the first paging location instead of monitoring the second paging location.
  • Example 22 The apparatus of example 19, wherein the network node triggers monitoring by the user equipment of the second paging location instead of the first paging location by configuring the user equipment with the second paging location, and triggers monitoring by the user equipment of the first paging location instead of the second paging location by configuring the user equipment to stop using the second paging location.
  • Example 23 The apparatus of any one of examples 19 to 22, further comprising means for receiving by the network node and from the user equipment signaling informing the network node about a capability of the user equipment of monitoring the second paging location in case the paging rate of the user equipment is deemed to be high, and means for at least providing the user equipment with common configuration parameters to derive a first paging location and configuring the user equipment with the second paging location are performed in response to the signaling.
  • Example 24 The apparatus of any one of examples 19 to 23, further comprising means for one of the network node or a paging agent informing cells within tracking areas for the user equipment about configured actions such that the cells can know how to transmit a paging indicator in the second paging location over a radio for at least the user equipment to be able to receive paging in the second paging location.
  • Example 25 An apparatus, comprising:
  • [00177] means for receiving, by a user equipment, common configuration parameters for deriving a first paging location
  • [00178] means for monitoring, by the user equipment, the first paging location
  • [00179] means for receiving, by the user equipment, a second paging location that is different from the first paging location and that is configured based on the user equipment having its paging rate above the threshold;
  • [00180] means for monitoring, by the user equipment and based on the paging rate of the user equipment being above the threshold, the second paging location, and ceasing to monitor the first paging location.
  • Example 26 The apparatus of example 25, further comprising:
  • [00182] means for receiving by the user equipment a threshold
  • [00184] means, responsive to determining the paging rate of the user equipment is greater than the threshold, for performing the monitoring of the second paging location and ceasing to monitor the first paging location.
  • Example 27 The apparatus of example 26, further comprising:
  • [00187] means, responsive to determining the paging rate of the user equipment is less than the threshold, for performing the monitoring of the first paging location based on the common configuration and ceasing to monitor the second paging location.
  • Example 28 The apparatus of example 25, further comprising:
  • [00190] means for receiving by the user equipment a window
  • [00191] means for determining by the user equipment a paging rate of the user equipment is greater than a value of the threshold minus the window or determining the paging rate of the user equipment is less than the value of the threshold minus the window;
  • [00192] means, responsive to determining the paging rate of the user equipment is greater than a value of the threshold minus the window, for performing the monitoring of the second paging location and ceasing to monitor the first paging location; and [00193] means, responsive to determining the paging rate of the user equipment is less than a value of the threshold minus the window, for performing the monitoring of the first paging location based on the common configuration and ceasing to monitor the second paging location.
  • Example 29 The apparatus of example 25, wherein the user equipment is configured to monitor the first paging location unless information for the second paging location is received, and wherein reception of the second paging location triggers the user equipment to monitor the second paging location and cease to monitor the first paging location.
  • Example 30 The apparatus of any one of examples 25 to 29, further comprising means for informing by the user equipment a network via signaling about its capability of monitoring the second paging location in case its paging rate is deemed to be high, and at least the common configuration to derive the first paging location and the second paging location are received in response to informing the network by the user equipment.
  • Example 31 The apparatus of any one of examples 19 to 30, wherein the second paging location comprises one or both of the following: a specific paging indicator that differs from a paging indicator used for the first paging location; and a specific paging occasion that differs from a paging occasion used for the first paging location.
  • Example 32 The apparatus of example 31, wherein the second location comprises, relative to what is used in the first paging location:
  • a change in a paging indicator is made but a same paging occasion used for the first paging location is used;
  • Example 33 The apparatus of any one of examples 19 to 32, wherein the means for configuring the user equipment with the second paging location comprises means for configuring the user equipment using dedicated signaling specifying one or both of a paging indicator and a paging occasion, different from the common configuration parameters, to monitor by the user equipment for the second paging location.
  • Example 34 The apparatus of any one of examples 19 to 32, wherein the means for configuring the user equipment with the second paging location comprises means for configuring the user equipment using dedicated signaling to specify parameters, different from the common configuration parameters, that the user equipment uses to derive the second paging location.
  • Example 35 The apparatus of any one of examples 19 to 34, further comprising means, responsive to performing a tracking area update, for a new paging agent for the user equipment fetching from an old paging agent a paging configuration used for paging the user equipment via the second paging location.
  • Example 36 The apparatus of any one of examples 19 to 34, further comprising means for informing by the user equipment a new paging agent about its paging configuration upon performing a tracking area update, the paging configuration used for paging the user equipment via the second paging location.
  • Example 37 A communication system comprising any of the apparatus of examples 19 to 36.
  • Example 38 A computer program comprising program code for executing the method according to any of examples 1 to 18.
  • Example 39 The computer program according to example 38, wherein the computer program is a computer program product comprising a computer- readable medium bearing computer program code embodied therein for use with a computer.
  • Example 40 A computer program product comprising a computer- readable storage medium bearing computer program code embodied therein for use with a computer, the computer program code comprising code for performing any of the methods of examples 1 to 18.
  • Example 41 An apparatus, comprising:
  • one or more memories including computer program code
  • the one or more memories and the computer program code configured, with the one or more processors, to cause the apparatus to perform any of the methods of examples 1 to 18.
  • Embodiments herein may be implemented in software (executed by one or more processors), hardware (e.g., an application specific integrated circuit), or a combination of software and hardware.
  • the software e.g., application logic, an instruction set
  • a "computer-readable medium” may be any media or means that can contain, store, communicate, propagate or transport the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as a computer, with one example of a computer described and depicted, e.g., in FIG. 1.
  • a computer-readable medium may comprise a computer-readable storage medium (e.g., memories 125, 155, 171 or other device) that may be any media or means that can contain, store, and/or transport the instructions for use by or in connection with an instruction execution system, apparatus, or device, such as a computer.
  • a computer-readable storage medium does not comprise propagating signals.
  • eNB or eNodeB evolved Node B (e.g., an LTE base station) EWTS earthquake and tsunami warning system
  • gNG next generation Node B e.g., an NG base station
  • UE user equipment e.g., a wireless, typically mobile device
  • UL uplink (e.g., from UE to base station)

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Abstract

L'invention concerne un nœud de réseau transmettant des paramètres de configuration communs qu'un UE utilise pour dériver un premier emplacement de radiomessagerie. Le premier emplacement de radiomessagerie est utilisé pour avertir l'UE à des moments où l'équipement utilisateur reçoit un radiomessage. Il est déterminé qu'un taux de radiomessagerie de l'UE est supérieur au seuil. Le nœud de réseau configure l'UE avec un second emplacement de radiomessagerie qui est différent du premier emplacement de radiomessagerie et qui est configuré sur la base de l'UE ayant son taux de radiomessagerie au-dessus du seuil. Le second emplacement de radiomessagerie est utilisé pour avertir l'UE à des moments où l'UE reçoit un radiomessage, et le premier emplacement de radiomessagerie n'est pas utilisé pour une radiomessagerie de l'équipement utilisateur. L'UE reçoit les paramètres de configuration communs pour dériver le premier emplacement de radiomessagerie et surveille cet emplacement. L'UE reçoit le second emplacement de radiomessagerie et surveille le second emplacement de radiomessagerie et non le premier emplacement de radiomessagerie.
PCT/FI2017/050686 2017-09-28 2017-09-28 Réduction de fausse radiomessagerie WO2019063867A1 (fr)

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WO2021162617A1 (fr) * 2020-02-14 2021-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Mécanismes de regroupement de dispositifs sans fil et configuration de réseau pour réduction de fausse radiomessagerie
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WO2022189362A1 (fr) 2021-03-12 2022-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Appareils et procédés de radiorecherche
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WO2021162617A1 (fr) * 2020-02-14 2021-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Mécanismes de regroupement de dispositifs sans fil et configuration de réseau pour réduction de fausse radiomessagerie
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