Maximal permissible exposure (MPE) uplink (UL) budget prioritization for physical uplink control channel (PUCCH) and physical uplink shared channel (PUSCH)

Abstract

Systems, methods, apparatus, and computer program products for maximum permissible exposure (MPE) uplink (UL) budget prioritization for physical uplink control channel (PUCCH) and physical uplink shared channel (PUSCH) are provided. For example, a user equipment (UE) can prioritize transmission of control signals (e.g., PUCCH, medium access control control element (MAC CE), or PUSCH carrying measurement reports) over PUSCH carrying UL user plane traffic in the event of a MPE event duration with a limited UL power budget.

Description

Technical Field

[0001] Some example embodiments may typically relate to mobile or wireless telecommunications systems, such as Long Term Evolution (LTE) or 5G radio access technologies or New Radio (NR) access technologies, or other communication systems. For example, specific embodiments may relate to systems and / or methods for Maximum Allowable Exposure (MPE) uplink (UL) budget prioritization for the Physical Uplink Control Channel (PUCCH) and the Physical Uplink Shared Channel (PUSCH). Background Technology

[0002] Examples of mobile or wireless telecommunications systems can include Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access Network (UTRAN), Evolved UTRAN (E-UTRAN) for Long Term Evolution (LTE), LTE-Advanced (LTE-A), MulteFire, LTE-APro, and / or 5G or New Radio (NR) access technologies. 5G wireless systems refer to next-generation radio systems and network architectures. 5G is primarily built on New Radio (NR), but 5G (or NG) networks can also be built on E-UTRA radio. NR is estimated to provide bit rates of 10-20 Gbit / s or higher and can at least support Enhanced Mobile Broadband (eMBB) and Ultra-Reliable Low Latency Communication (URLLC) as well as Massive Machine-Type Communication (mMTC). NR is expected to deliver extremely wideband and ultra-robust, low-latency connectivity and massive networks to support the Internet of Things (IoT). With the increasing prevalence of IoT and machine-to-machine (M2M) communications, the demand for networks that meet the requirements of low power consumption, low data rates, and long battery life will grow significantly. It is important to note that in 5G, a node that can provide radio access to user equipment (i.e., similar to a node B in UTRAN or an eNB in ​​LTE) can be named gNB when it is established on an NR radio, and NG-eNB when it is established on an E-UTRA radio. Summary of the Invention

[0003] According to a first embodiment, a method may include receiving the configuration of at least two rules associated with applying power backoff to an uplink transmission. The at least two rules may include at least one rule for a maximum allowed exposure event and at least one rule for a non-maximum allowed exposure event. The at least one rule for the maximum allowed exposure event may distinguish between control plane traffic and user plane traffic, and may prioritize control plane traffic over user plane traffic. The method may include detecting a maximum allowed exposure event. The method may include applying at least one rule for the maximum allowed exposure event to the uplink transmission.

[0004] In a variant, the method may further include transmitting uplink transmissions to a network node. In a variant, the uplink transmission may include a report of a maximum permissible exposure event. In a variant, the method may include receiving an indication from the network node to change the power distribution after the transmission report. In a variant, at least one rule for non-maximum permissible exposure events may be associated with enabling the user equipment to continue uplink transmissions without applying power backoff due to the maximum permissible exposure event. In a variant, at least one rule for maximum permissible exposure events may be configured by the network node.

[0005] In a variant, at least one rule for the maximum permissible exposure event can indicate the power distribution for control plane and user plane services used for uplink transmission when the maximum permissible exposure event occurs. In a variant, at least one rule for the maximum permissible exposure event can provide different power distributions for different maximum power reduction values ​​for power management or for different groups of maximum power reduction values ​​for power management. In a variant, detection can include: detecting users or objects near the antenna of the user equipment, and determining that the detected users or objects are within a threshold distance of the antenna.

[0006] In a variant, the application may include: prioritizing the physical uplink control channel and activating or deactivating a power allocation scheme for the maximum permissible exposure event using scheduling requests within the physical uplink control channel. In another variant, the application may include: reprioritizing the physical uplink shared channel based on the payload for the maximum permissible exposure event.

[0007] In a variant, the application may include allocating power to at least one of the following: at least one physical uplink shared channel transmission, at least one physical uplink control channel transmission, at least one physical random access channel transmission, or at least one sound reference signal transmission. In another variant, the allocation may include allocating power to at least one of the following: at least one physical random access channel transmission on the primary cell; at least one physical uplink control channel transmission having hybrid automatic repeat request acknowledgment or scheduling request information based on a power management maximum power reduction level; at least one physical uplink shared channel transmission having power margin or measurement report information based on a power management maximum power reduction level; at least one sound reference signal transmission having an aperiodic sound reference signal with a higher priority than a semi-persistent sound reference signal or a periodic sound reference signal; or at least one physical random access channel transmission on a serving cell other than the primary cell; at least one physical uplink control channel transmission having channel state information; or at least one physical uplink shared channel transmission having channel state information; and at least one physical uplink shared channel transmission without hybrid automatic repeat request acknowledgment information or channel state information.

[0008] In a variant, the application may include prioritizing at least one logical channel based on the following priorities: cell radio network temporary identifier medium access control element or data from the uplink common control channel, single-ingress power margin medium access control element or multi-ingress power margin medium access control element, configured authorization confirmation medium access control element, medium access control element for buffer status reports other than those included for filling, data from at least one logical channel other than data from the uplink common control channel, medium access control element for recommended bit rate query, and medium access control element for buffer status reports included for filling.

[0009] In a variant, the method may include applying power distribution during a maximum permissible exposure event based on the severity of the maximum permissible event. In another variant, the severity of the maximum permissible exposure event may be indicated by a reported maximum power reduction in power management.

[0010] The second embodiment can be directed to an apparatus including at least one processor and at least one memory, the at least one memory including computer program code. The at least one memory and the computer program code can be configured to utilize the at least one processor to cause the apparatus to at least perform the method according to the first embodiment or any variations discussed above.

[0011] The third embodiment may be directed to an apparatus that may include circuitry configured to cause the apparatus to perform the method according to the first embodiment or any of the variations discussed above.

[0012] The fourth embodiment may be directed to an apparatus that may include devices for performing the method according to the first embodiment or any variations discussed above. Examples of devices may include one or more processors, memory, and / or computer program code for causing the execution of operations.

[0013] The fifth embodiment may be directed to a computer-readable medium including program instructions stored thereon, the program instructions being used to cause the apparatus to perform at least the method according to the first embodiment or any variations discussed above.

[0014] The sixth embodiment may be directed to a computer program product whose coded instructions are used to cause the device to perform at least the method according to the first embodiment or any of the variations discussed above. Attached Figure Description

[0015] To correctly understand the exemplary embodiments, reference should be made to the accompanying drawings, in which:

[0016] Figure 1The illustration shows an example of the average maximum permissible effective isotropic radiated power (EIRP) during an MPE event based on UE UL scheduling according to some embodiments;

[0017] Figure 2 The illustration shows an example of UE operation according to some embodiments;

[0018] Figure 3 An example table of MPE power allocation schemes according to some embodiments is illustrated;

[0019] Figure 4 An example table illustrating another MPE power allocation scheme according to some embodiments is shown;

[0020] Figure 5 An example flowchart of a method according to some embodiments is illustrated;

[0021] Figure 6a An example block diagram of a device according to an embodiment is illustrated; and

[0022] Figure 6b An example block diagram of a device according to another embodiment is illustrated. Detailed Implementation

[0023] It will be readily understood that, as generally described and illustrated in the accompanying drawings, the components of a particular example embodiment can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of some example embodiments of systems, methods, apparatuses, and computer program products for prioritizing the maximum allowed exposure (MPE) uplink (UL) budget for the Physical Uplink Control Channel (PUCCH) and Physical Uplink Shared Channel (PUSCH) is not intended to limit the scope of any particular embodiment, but rather represents selected example embodiments.

[0024] Features, structures, or characteristics of the exemplary embodiments described throughout this specification may be combined in any suitable manner in one or more exemplary embodiments. For example, the use of phrases such as “specific embodiment,” “some embodiments,” or other similar language throughout this specification refers to the fact that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment. Therefore, the appearance of phrases such as “in a specific embodiment,” “in some embodiments,” “in other embodiments,” or other similar language throughout this specification does not necessarily refer to all of the same group of embodiments, and the described features, structures, or characteristics may be combined in any suitable manner in one or more exemplary embodiments. Furthermore, the phrase “a set of…” refers to a set that includes one or more members of a referenced set. Therefore, the phrases “a set of…,” “one or more,” and “at least one,” or equivalent phrases, may be used interchangeably. Additionally, unless explicitly stated otherwise, “or” is intended to mean “and / or.”

[0025] Furthermore, if necessary, the different functions or operations discussed below may be performed in different orders and / or simultaneously with each other. Additionally, if necessary, one or more of the described functions or operations may be optional or may be combined. Therefore, the following description should be considered merely as an illustration of the principles and teachings of specific example embodiments, and not as a limitation thereof.

[0026] Exposure guidelines may have been developed to prevent health problems due to thermal effects. MPE may involve adjusting the power density for millimeter-wave (mmWave) scenarios. For example, a threshold for MPE could be set at 10 watts per square meter (W / m²). For situations where human tissue is separated from the antenna at a specific distance, power backoff (PBO) may have to be used to comply with MPE. However, PBO can be very large (e.g., up to 30 dB for devices transmitting at the maximum EIRP limit of 43 dBm for a ProSe 3 (PC3) UE) and can lead to radio link failure (RLF) because such backoff can degrade uplink communication, allowing the maximum number of radio link control (RLC) retransmissions to be reached.

[0027] PBO can be triggered at different user antenna intervals, depending on the EIRP. For example, a 4x1 array exhibiting an EIRP of 34 dBm (23 dBm maximum power amplifier (PA) output power and 11 dB array gain) may have to use PBO when the user is less than, for example, 14 cm from the antenna. When the user is almost touching the antenna (e.g., 2 mm or less interval), the maximum allowed EIRP may only be 10 dBm. Therefore, the power may have to be backed up by, for example, 24 dB. UE range can be significantly affected by PBO, and a 20 dB PBO can reduce UE range by, for example, 90%. PBO applies to UL and can cause link imbalance when the UE is power-limited. Even if the nearby object does not obstruct propagation (without affecting uplink and downlink path loss), PBO can reduce the transmission power of UEs that are power-limited or close to it (e.g., for cell edge UEs, in non-line-of-sight (NLOS) scenarios, etc.). This can reduce the power received by the gNB, thereby reducing the uplink signal-to-interference-plus-noise ratio (SINR). A similar imbalance may exist if nearby subjects also block propagation when the UE operates under power constraints. In this case, both uplink and downlink path losses can be affected (e.g., equal), however, the uplink transmission power may have to be further reduced due to MPE constraints.

[0028] The frequent and unpredictable nature of PBOs (e.g., up to 20 dB for current PC3 UEs and up to 30 dB for UEs with larger array gains) can be a major problem for link budget. Since the gNB may not be prepared to handle drops in UL conditions, there may not be a significant risk of RLF. PBOs can be UE-specific and / or operating mode-specific, and may be unknown at the gNB if there is no communication from the UE. Typically, when an MPE event is detected, the UE can limit UL transmissions to the maximum allowed EIRP. If the UE has a high-end proximity sensor capable of accurately detecting the distance between the user and the UE, the UE can apply dynamic backoff; otherwise, when the UE detects a user near the antenna, the UE can apply maximum power backoff on the UL transmission slot. For MPE events, the averaging window for MPE compliance can be a running window and can be pre-configured. As a result, the peak EIPR value can be averaged over the duty cycle of the transmission time.

[0029] Excessive reduction of output power in 5G (mmW spectrum and directional links, such as frequency range 2 (FR2) and above) can lead to loss of connectivity with the base station. Since this scenario can already occur when the user is less than 14cm from the UE (and even further for arrays larger than 2x2), RLF due to MPE can occur frequently and unpredictably. When the user touches the array (e.g., at a distance of 2mm or less between the user and antenna elements), the maximum EIRP can be limited to a maximum of 10dBm (full duty cycle) (e.g., in a scenario where a 1x4 antenna array operates at a maximum PA power of 34dBm EIRP). The UE can reduce its output power to comply with specific limitations. For example, UL / Downlink (DL) scheduling can be equally segmented, so the UE might be able to transmit at 13dBm. This 20dB UL power reduction could fall below gNB sensitivity. Therefore, the UL connection to the gNB may be lost, potentially leading to RLF.

[0030] Based on the above, it can be understood that if the UE cannot transmit with sufficient power for gNB decoding messages, there may be issues related to how to signal the MPE indication to the gNB. For power-constrained UEs, MPE messages may be lost, and the network may not notify the affected UE of MPE events. Therefore, the UE may disappear from the network's viewpoint, potentially leading to an RLF or connection release. The gNB can be configured with a high-priority PUSCH, but MPE may not be considered based on the payload's PUSCH classification. This can lead to sudden and significant UL degradation issues, potentially resulting in failure to transmit the MPE indication to the serving cell, and RLF issues caused by the user touching the antenna.

[0031] Some of the embodiments described herein can provide MPE UL budget prioritization for PUCCH and PUSCH. For example, in the case of a constrained UL power budget during the duration of an MPE event, the UE can prioritize the transmission of control signals (e.g., PUCCH, Media Access Control Unit (MAC CE), or PUSCH carrying measurement reports) over PUSCH carrying UL user plane services. Prioritization can help ensure that the UE has sufficient power to notify network nodes (e.g., gNBs) of MPE events and / or neighboring cell measurements for link redirection.

[0032] Figure 1 Example 100 illustrates the maximum allowed EIRP averaged during an MPE event based on UE UL scheduling according to some embodiments. This can illustrate an example of UE transmission (Tx) power budget prioritization, where the allowed UL Tx power under MPE events scales with UL scheduling. Based on UL scheduling (using UL duty cycle and / or slot format), the UE can increase the power in some slots and / or symbols to help ensure that network nodes successfully decode at the expense of other slots and / or symbols.

[0033] As shown at point 102, the user can be positioned 2mm away from the UE's antenna, which the UE can detect through one or more of its various sensors. Three examples are provided, such as... Figure 1 The figures are shown at positions 104, 106, and 108, respectively. As shown in these three examples, with the UL scheduling reduced from 100% to 25%, under an MPE event where the user is located 2 mm from the transmission array, the allowed UE Tx power can increase from 13 dBm with 50% UL scheduling to 19 dBm with 25% UL scheduling in a 50% UL and 50% DL timeslot format.

[0034] In certain embodiments, dedicated scheduling request (SR) resources on the PUCCH can be configured by the network node for the UE to provide physical layer indications regarding MPE events. Priority rules can be used depending on the scenario. For example, the UE can apply at least two priority rule configurations, at least one corresponding to a non-MPE event and at least one other corresponding to an MPE event. The priority rule corresponding to a non-MPE event can include continued UL transmission without applying PBO after UL prioritization for the non-MPE profile. The priority rule corresponding to an MPE event can be distinguished between a PUSCH carrying control signals (such as measurement reports) or a PUSCH carrying user plane data. Additionally or alternatively, the priority rule corresponding to an MPE event can be pre-configured by the network and can indicate the power distribution that the UE should apply when an MPE event causes power management-maximum power reduction (P-MPR). Different power distributions can be provided for different P-MPR values ​​or for different groups of P-MPR values. The serving cell can instruct the UE to switch to another power distribution after receiving, for example, a first MPE indication. The UE can report MPE events with a specific number of bits, such as 2 bits ranging from 3dB to 12dB. For example, if an MPE event is triggered for a UE under good signal conditions with P-MPR 3dB < P-MPR < 6dB, the UE can prioritize Power Headroom (PHR) MAC CE for successful reporting of P-MPR (including in PHR). This allows the network to monitor the severity of MPE events and adjust accordingly. As another example, if an MPE event is triggered for a power-constrained UE and / or with P-MPR > 12dB, the UE can prioritize PUSCH for bearer measurement reports so that the network can successfully and potentially faster redirect the link than in other cases.

[0035] As mentioned above, Figure 1 Provided as an example. Other examples are possible based on some embodiments.

[0036] Figure 2 An example 200 of UE operation according to some embodiments is illustrated. For example, Figure 2The illustration shows the use of prioritization rules for MPE and non-MPE events. As shown at 202, the UE can monitor MPE events. For example, the UE can monitor whether a user and / or object is near the UE's antenna (e.g., continuous, periodic, etc.). Monitoring can be performed using the UE's sensors. As shown at 204, the UE can determine whether a user and / or object has been detected. If the UE determines that the user and / or object has not been detected (204 - No), the UE can continue monitoring MPE events. If the UE determines that the user and / or object has been detected (204 - Yes), then at 206, the UE can determine whether the user and / or object is closer than an MPE threshold. For example, the UE can determine whether the user and / or object is within a threshold distance from the UE's antenna. If the UE determines that the user and / or object is not closer than an MPE threshold (206 - No), then at 208, the UE can continue UL transmission without applying PBO (e.g., UL transmission can continue if the UE Tx power is controlled by the UE power control equation). At 210, the UE can follow UL priority for non-MPE profiles when continuing UL transmission. After performing the operation at 210, the UE can return to the operation at 204.

[0037] If the UE determines that the user and / or object is closer than the MPE threshold (206 - Yes), then at 212, the UE can continue UL transmission by applying PBO. Then, at 214, the UE can apply PBO after UL prioritization for the MPE profile to transmit the MPE indication to the network node.

[0038] In this way, specific embodiments can utilize dedicated SR resources to activate or deactivate MPE-related priority rule configurations while simultaneously indicating the MPE event to the network node. Furthermore, the triggered MPE event can have different UE ULTx power configurations. For example, at least two priority rule configurations can exist, where at least one priority rule configuration corresponds to a non-MPE event, and at least one other priority rule configuration corresponds to an MPE event. For at least one other rule corresponding to the MPE event, the UE can distinguish between a PUSCH carrying measurement reports (e.g., control plane services) and a PUSCH carrying user plane services. Additionally or alternatively, the UE can prioritize control services on the PUSCH over user services on the PUSCH.

[0039] As mentioned above, Figure 2 Provided as an example. Other examples are possible based on some embodiments.

[0040] According to a specific embodiment, the UE can prioritize its per-symbol transmission power to help ensure that signaling for MPE events, as well as PUSCH control signals including, for example, measurement reports, are successfully transmitted to the network. This allows PUSCH user plane traffic to be de-prioritized. In this way, the UE can adjust its UL power in consideration of MPE conditions to prioritize signaling that may be important to the network. A specific embodiment can provide UE Tx power distribution during MPE events, which can help ensure that the UE can signal MPE messages (e.g., P-MPR within a PHR) and critical signaling to the network to maintain the link and avoid radio link failures due to high P-MPR caused by MPE (e.g., intra-cell / inter-cell measurement reports). UE Tx power allocation priorities can be provided for different P-MPR values ​​or for different groups of P-MPR values.

[0041] In certain embodiments, the UE can prioritize the PUCCH and / or use the SR within the PUCCH to activate or deactivate the MPE power distribution scheme. The UE Tx power distribution during MPE for both the PUCCH and PUSCH can follow... Figure 3 The scheme illustrated in Table 300, where PUCCH signaling is shown at 302 and PUSCH signaling at 304, helps ensure the transmission of MPE signaling to the network in the PUCCH. In this scheme, the UE can send an SR in the PUCCH. The UE can perform this transmission to request PHR resources, in which the UE can send a P-MPR value. Additionally or alternatively, the UE can perform this transmission to activate or deactivate the MPE power distribution (which can prioritize PUSCH based on the payload).

[0042] In certain embodiments, the UE can prioritize PUSCH based on payloads specifically targeted at the MPE. Examples of this scheme include... Figure 4 As shown in Table 400, PUCCH signaling is illustrated at 402, and PUSCH signaling at 404. This scheme helps ensure that MPE signaling is transmitted to the network in the PUCCH and PUSCH carrying control services. For example, a PHR can contain 16 bits (2 bits for the MPE P-MPR value and 6 bits for each power margin (PH) and Pcmax field). Therefore, the PHR (including the P-MPR value) can be transmitted in one symbol, thereby adjusting the number of modulated and allocated resource elements. For example, in 64 quadrature amplitude modulation (QAM), each symbol per resource element can have 6 bits, and the PHR can be transmitted in one symbol (e.g., over a wider bandwidth).

[0043] The values ​​provided in example tables 300 and 440 are merely examples for illustrative purposes. Therefore, the example embodiments described herein are not limited to the values ​​provided therein, and other examples are possible.

[0044] According to a specific embodiment, PUSCH can be differentially prioritized based on payload according to MPE events. In an embodiment, a UE experiencing an MPE event can allocate power to PUSCH, PUCCH, Physical Random Access Channel (PRACH), and / or Sounding Reference Signal (SRS) transmissions according to the following priority order (in descending order): PRACH transmissions on the primary cell (PCell), PUCCH transmissions with Hybrid Automatic Request (HARQ)-Acknowledgement (ACK) or SR information based on the P-MPR level, PUSCH transmissions with PHR or Measurement Reporting information based on the P-MPR level, SRS transmissions with non-periodic SRS having a higher priority than semi-persistent and / or periodic SRS, or PRACH transmissions on the serving cell other than the PCell, PUCCH transmissions with Channel State Information (CSI), or PUSCH transmissions with CSI, and / or PUSCH transmissions without HARQ-ACK information or CSI. This prioritization ensures that the total UE transmission power for transmissions on the serving cell within the frequency range is less than or equal to the Pcmax(i) value for that frequency range in the symbol at transmission time i. Thus, specific embodiments may provide UL power prioritization, P-MPR differentiation, PHR, and measurement report prioritization for MPE conditions. Additionally or alternatively, specific embodiments may provide increased SRS priority for realigning UL transmissions.

[0045] Specific embodiments may provide resource allocation such that the PUSCH can be differentially prioritized based on the payload under an MPE event. For example, specific embodiments may provide UL power prioritization and / or PHR reprioritization for MPE conditions. For a UE reporting an MPE event, logical channels may be prioritized according to the following order (highest priority listed first): Cell Radio Network Temporary Identifier (C-RNTI) MAC CE or data from the UL Common Control Channel (CCCH), single-entry PHR MAC CE or multi-entry PHR MAC CE, configured authorization confirmation MAC CE, MAC CE for Buffer Status Report (BSR) (except for BSRs included for padding in specific embodiments), data from any logical channel (except for data from the UL-CCCH in specific embodiments), MAC CE for a recommended bit rate query, and MAC CEs including BSRs for padding.

[0046] Table 1 describes an example prioritization for PUCCH and PUSCH according to the P-MPR value for MPE event reporting according to some embodiments. For example, Table 1 may provide an example power distribution for the UE during an MPE event according to the MPE severity.

[0047] Table 1:

[0048]

[0049] In Table 1, specific values are indicated by the "*" indicator. In a particular embodiment, if an MPE event has been reported with increasing severity (e.g., when the user moves closer to the active array, the first MPE event has 3 dB < P-MPR < 6 dB and then the P-MPR report has a larger value), then when the UE reports P-MPR > 9 dB, the network node may already have scheduled UL resources for measurement reporting. Since the UL resources have already been allocated by the network, prioritizing the SR in PUCCH to send the measurement report may not be performed. In these cases, it may be more important to prioritize the ACK / negative ACK (NACK) so that the network node knows that even if UL data may be lost, DL data can still be received by the UE.

[0050] The specific values in Table 1 are indicated by the "**" indicator. In a particular embodiment, if an MPE event is reported for the first time with a high P-MPR value, e.g., P-MPR > 12 dB (e.g., the user's finger slides onto the active array, resulting in an immediate maximum power backoff, or if the UE has a static maximum power backoff operation independent of the user's distance), the network node may not have been previously notified of the MPE event. Thus, if there are no scheduled UL resources to send the measurement report, the UE may have to prioritize the SR to send the measurement report in PUSCH.

[0051] The specific values in Table 1 are indicated by the "***" indicator. In a particular embodiment, the UE's layer 1 (L1) and layer 3 (L3) may report on both in-cell beam management and inter-cell mobility.

[0052] Figure 5 FIG. illustrates an example flowchart of method 500 according to some embodiments. For example, Figure 5 example operations of the UE may be illustrated (e.g., Figure 6b the apparatus 20 shown in Figure 6b and the apparatus 20 described for Figure 5 Some of the operations illustrated in Figures 1-4 may be similar to some of the operations shown and described in

[0053] In an embodiment, the method may include, at 502, receiving configurations of at least two rules associated with applying power backoff to uplink transmissions. The at least two rules may include at least one rule for maximum allowed exposure events and at least one rule for non-maximum allowed exposure events. The at least one rule for maximum allowed exposure events may distinguish between control plane traffic and user plane traffic, and may prioritize control plane traffic over user plane traffic. The method may include, at 504, detecting maximum allowed exposure events, for example, in a manner similar to... Figure 2 The method may include, at 506, applying at least one rule for the maximum allowed exposure events to the uplink transmission, for example, in a manner similar to... Figure 2 The manner at positions 212 and / or 214.

[0054] Figure 5 The illustrated method may include one or more additional aspects described below or elsewhere herein. In some embodiments, the method may further include sending an uplink transmission to a network node. The uplink transmission may include a report of a maximum permissible exposure event. In some embodiments, the method may include receiving an indication from the network node to change the power distribution after the transmission report. In some embodiments, at least one rule for non-maximum permissible exposure events may be associated with enabling the user equipment to continue uplink transmissions without applying power backoff due to the maximum permissible exposure event, for example, in a manner similar to Figure 2 The manner described at positions 208 and / or 210. For example, if the UE uses P-MPR for, for example, overheating, carrier aggregation (CA), etc., this can allow the application of non-MPE profiles. In some embodiments, at least one rule for the maximum allowed exposure events can be configured by the network node.

[0055] In some embodiments, at least one rule for a maximum permissible exposure event can indicate the power distribution for control plane and user plane services used for uplink transmission when the maximum permissible exposure event occurs. In some embodiments, at least one rule for a maximum permissible exposure event can provide different power distributions for different maximum power reduction values ​​for power management or for different groups of maximum power reduction values ​​for power management. In some embodiments, detection at 504 can include detecting users or objects near the user equipment antenna (e.g., in a manner similar to...). Figure 2 (as in position 204), and determining whether a detected user or object is within a threshold distance of the antenna (e.g., in a manner similar to...). Figure 2 (The method in 206 places).

[0056] In some embodiments, the application at 506 may include prioritizing the physical uplink control channel, using scheduling requests within the physical uplink control channel, activating or deactivating a power allocation scheme for the maximum permissible exposure event, for example, in a manner similar to Figure 3 The way shown and about Figure 3 The described manner. In some embodiments, the application at 506 may include reprioritizing the physical uplink shared channel based on the payload for the maximum permissible exposure event, for example, to a manner similar to Figure 4 The image shown and about Figure 4 The manner described.

[0057] In some embodiments, the application at 506 may include allocating power to at least one of the following: at least one physical uplink shared channel transmission, at least one physical uplink control channel transmission, at least one physical random access channel transmission, or at least one probe reference signal transmission. In some embodiments, the allocation at 506 may include allocating power to at least one of the following: at least one physical random access channel transmission on the primary cell; at least one physical uplink control channel transmission having hybrid automatic repeat request acknowledgment or scheduling request information based on a power management maximum power reduction level; at least one physical uplink shared channel transmission having power margin or measurement report information based on a power management maximum power reduction level; at least one probe reference signal transmission having an aperiodic probe reference signal with a higher priority than a semi-persistent probe reference signal or a periodic probe reference signal; or at least one physical random access channel transmission on a serving cell other than the primary cell; at least one physical uplink control channel transmission having channel state information; or at least one physical uplink shared channel transmission having channel state information; and at least one physical uplink shared channel transmission without hybrid automatic repeat request acknowledgment information or channel state information.

[0058] In some embodiments, the application at 506 may include prioritizing at least one logical channel according to priority for: cell radio network temporary identifier medium access control element or data from uplink common control channel, single-ingress power margin medium access control element or multi-ingress power margin medium access control element, configured authorization confirmation medium access control element, medium access control element for buffer status reports other than those included for filling, data from at least one logical channel other than data from uplink common control channel, medium access control element for recommended bit rate query, and medium access control element for buffer status reports included for filling.

[0059] In some embodiments, the method may include applying power distribution during a maximum permissible exposure event based on the severity of the maximum permissible event. In some embodiments, the severity of the maximum permissible exposure event may be indicated by a reported maximum power reduction in power management.

[0060] As mentioned above, Figure 5 Provided as an example. Other examples are possible based on some embodiments.

[0061] Figure 6a An example of apparatus 10 according to an embodiment is illustrated. In the embodiment, apparatus 10 may be a node, host, or server in a communication network or a network serving such a service. For example, apparatus 10 may be a network node, satellite, base station, Node B, evolved Node B (eNB), 5G Node B or access point, next-generation Node B (NG-NB or gNB), and / or WLAN access point associated with a radio access network (such as an LTE network, 5G, or NR). In some example embodiments, apparatus 10 may be an eNB in ​​LTE or a gNB in ​​5G.

[0062] It should be understood that in some example embodiments, device 10 may include an edge cloud server as a distributed computing system, wherein the server and radio nodes may be independent devices communicating with each other via a radio path or via a wired connection, or they may reside in the same entity communicating via a wired connection. For example, in a particular example embodiment where device 10 represents a gNB, it may be configured in a central unit (CU) and distributed unit (DU) architecture that partitions gNB functions. In such an architecture, the CU may be a logical node that includes gNB functions such as user data transmission, mobility control, radio access network sharing, location, and / or session management. The CU may control the operation of the DU through a front-end interface. The DU may be a logical node that includes a subset of gNB functions according to the functional partitioning options. It should be noted that those skilled in the art will understand that device 10 may include Figure 6a Components or features not shown in the diagram.

[0063] like Figure 6a As shown in the example, device 10 may include a processor 12 for processing information and executing instructions or operations. Processor 12 may be any type of general-purpose or special-purpose processor. In fact, as an example, processor 12 may include one or more of the following: a general-purpose computer, a special-purpose computer, a microprocessor, a digital signal processor (DSP), a field-programmable gate array (FPGA), an application-specific integrated circuit (ASIC), and a processor based on a multi-core processor architecture. Although Figure 6aA single processor 12 is shown, but multiple processors may be used according to other embodiments. For example, it should be understood that in a particular embodiment, device 10 may include two or more processors, which may form a multiprocessor system capable of supporting multiple processing (e.g., in this case, processor 12 may represent multiple processors). In a particular embodiment, the multiprocessor system may be tightly coupled or loosely coupled (e.g., to form a computer cluster).

[0064] The processor 12 can perform functions associated with the operation of the device 10, which may include, for example, precoding of antenna gain / phase parameters, encoding and decoding of individual bits forming communication messages, formatting of information, and overall control of the device 10, including processes related to the management of communication or communication resources.

[0065] Device 10 may also include or be (internal or externally) coupled to memory 14, which may be coupled to processor 12 for storing information and instructions executable by processor 12. Memory 14 may be one or more memories and is any type of memory suitable for the local application environment, and may be implemented using any suitable volatile or non-volatile data storage technology, such as semiconductor-based storage devices, magnetic storage devices and systems, optical storage devices and systems, fixed memory and / or removable memory. For example, memory 14 may include random access memory (RAM), read-only memory (ROM), static storage devices such as disks or optical discs, hard disk drives (HDDs), or any other type of non-transitory machine or computer-readable medium and any combination thereof. Instructions stored in memory 14 may include program instructions or computer program code that, when executed by processor 12, enable device 10 to perform the tasks described herein.

[0066] In embodiments, device 10 may further include (internal or external) coupled to a drive or port configured to accept and read external computer-readable storage media, such as an optical disc, USB drive, flash drive, or any other storage media. For example, the external computer-readable storage media may store computer programs or software for execution by processor 12 and / or device 10.

[0067] In some embodiments, device 10 may further include or be coupled to one or more antennas 15 for transmitting signals to and / or receiving signals and / or data from device 10. Device 10 may also include or be coupled to a transceiver 18 configured to transmit and receive information. Transceiver 18 may include, for example, multiple radio interfaces that can be coupled to antennas 15. The radio interfaces may correspond to a variety of radio access technologies, including one or more of the following: GSM, NB-IoT, LTE, 5G, WLAN, Bluetooth, BT-LE, NFC, radio frequency identification (RFID), ultra-wideband (UWB), MulteFire, etc. The radio interfaces may include components such as filters, converters (e.g., digital-to-analog converters), mappers, fast Fourier transform (FFT) modules, etc., to generate symbols for transmission via one or more downlinks and to receive symbols (e.g., via an uplink).

[0068] Thus, transceiver 18 can be configured to modulate information onto a carrier waveform for transmission by antenna 15, and demodulate information received via antenna 15 for further processing by other elements of device 10. In other embodiments, transceiver 18 may be able to directly transmit and receive signals or data. Additionally or alternatively, in some embodiments, device 10 may include input and / or output devices (I / O devices).

[0069] In this embodiment, memory 14 may store software modules that provide functionality when executed by processor 12. These modules may include, for example, an operating system that provides operating system functionality for device 10. The memory may also store one or more functional modules, such as applications or programs, to provide additional functionality for device 10. Components of device 10 may be implemented in hardware or as any suitable combination of hardware and software.

[0070] According to some embodiments, the processor 12 and memory 14 may be included in or form part of processing or control circuitry. Furthermore, in some embodiments, the transceiver 18 may be included in or form part of transceiver circuitry.

[0071] As used herein, the term "circuit" can refer to a circuit implementation of hardware only (e.g., analog and / or digital circuitry), a combination of hardware circuitry and software, a combination of analog and / or digital hardware circuitry with software / firmware, any part of a hardware processor having software (including a digital signal processor) that works together to enable a device (e.g., device 10) to perform various functions, and / or hardware circuitry and / or a processor or part thereof that uses software for operation, but may be absent when the software is not required for operation. As another example, as used herein, the term "circuit" can also encompass only hardware circuitry or a processor (or multiple processors), or a portion of hardware circuitry or a processor and its accompanying software and / or firmware implementation. The term "circuit" can also encompass baseband integrated circuits, such as those in servers, cellular network nodes or devices, or other computing or networking devices.

[0072] As described above, in a particular embodiment, device 10 may be a network node or RAN node, such as a base station, access point, node B, eNB, gNB, WLAN access point, etc.

[0073] According to a particular embodiment, device 10 may be controlled by memory 14 and processor 12 to perform functions associated with any of the embodiments described herein, such as Figures 1-4 The image shown or targeted Figures 1-4 Some of the operations described above.

[0074] Figure 6b An example of apparatus 20 according to another embodiment is illustrated. In the embodiment, apparatus 20 may be a node or element in a communication network, or associated with such a network, such as a UE, mobile device (ME), mobile station, mobile device, fixed device, IoT device, or other device. As described herein, a UE may alternatively be referred to as, for example, a mobile station, mobile equipment, mobile unit, mobile device, user equipment, subscriber station, wireless terminal, tablet computer, smartphone, IoT device, sensor or NB-IoT device, watch or other wearable device, head-mounted display (HMD), vehicle, drone, medical device and its applications (e.g., remote surgery), industrial device and its applications (e.g., robots and / or other wireless devices operating in industrial and / or automated processing chain environments), consumer electronics device, device operating on commercial and / or industrial wireless networks, etc. As an example, apparatus 20 may be implemented in, for example, a wireless handheld device, a wireless plug-in accessory, etc.

[0075] In some example embodiments, device 20 may include one or more processors, one or more computer-readable storage media (e.g., memory, storage device, etc.), one or more radio access components (e.g., modem, transceiver, etc.), and / or a user interface. In some embodiments, device 20 may be configured to operate using one or more radio access technologies, such as GSM, LTE, LTE-A, NR, 5G, WLAN, WiFi, NB-IoT, Bluetooth, NFC, MulteFire, and / or any other radio access technology. It should be noted that those skilled in the art will understand that device 20 may include... Figure 6b Components or features not shown in the diagram.

[0076] like Figure 6b As illustrated in the example, device 20 may include or be coupled to processor 22 for processing information and executing instructions or operations. Processor 22 may be any type of general-purpose or special-purpose processor. In fact, as an example, processor 22 may include one or more of the following: general-purpose computer, special-purpose computer, microprocessor, digital signal processor (DSP), field-programmable gate array (FPGA), application-specific integrated circuit (ASIC), and processor based on a multi-core processor architecture. Although Figure 6b A single processor 22 is shown, but multiple processors may be used according to other embodiments. For example, it should be understood that in a particular embodiment, device 20 may include two or more processors, which may form a multiprocessor system capable of supporting multiple processing (e.g., in this case, processor 22 may represent multiple processors). In a particular embodiment, the multiprocessor system may be tightly coupled or loosely coupled (e.g., to form a computer cluster).

[0077] The processor 22 can perform functions associated with the operation of the device 20, such as precoding of antenna gain / phase parameters, encoding and decoding of individual bits forming communication messages, formatting of information, and overall control of the device 20, including processes related to the management of communication resources.

[0078] Device 20 may also include or be (internal or externally) coupled to memory 24, which may be coupled to processor 22 for storing information and instructions executable by processor 22. Memory 24 may be one or more memories and is any type of memory suitable for the local application environment, and may be implemented using any suitable volatile or non-volatile data storage technology, such as semiconductor-based storage devices, magnetic storage devices and systems, optical storage devices and systems, fixed memory and / or removable memory. For example, memory 24 may include random access memory (RAM), read-only memory (ROM), static storage devices such as disks or optical discs, hard disk drives (HDDs), or any other type of non-transitory machine or computer-readable medium, and any combination thereof. Instructions stored in memory 24 may include program instructions or computer program code that, when executed by processor 22, enable device 20 to perform the tasks described herein.

[0079] In embodiments, device 20 may further include a driver or port or (internal or external) coupled to a driver or port configured to accept and read external computer-readable storage media, such as an optical disc, USB drive, flash drive, or any other storage media. For example, the external computer-readable storage media may store computer programs or software for execution by processor 22 and / or device 20.

[0080] In some embodiments, device 20 may further include or be coupled to one or more antennas 25 for receiving downlink signals from device 20 and transmitting them via uplink. Device 20 may also include a transceiver 28 configured to transmit and receive information. Transceiver 28 may also include a radio interface (e.g., a modem) coupled to antenna 25. The radio interface may correspond to one or more of a variety of radio access technologies, including GSM, LTE, LTE-A, 5G, NR, WLAN, NB-IoT, Bluetooth, BT-LE, NFC, RFID, UWB, etc. The radio interface may include other components such as filters, converters (e.g., digital-to-analog converters, etc.), symbol demappers, signal shaping components, inverse fast Fourier transform (IFFT) modules, etc., to process symbols carried by the downlink or uplink, such as OFDMA symbols.

[0081] For example, transceiver 28 may be configured to modulate information onto a carrier waveform for transmission by antenna 25, and demodulate information received via antenna 25 for further processing by other elements of device 20. In other embodiments, transceiver 28 may be able to directly transmit and receive signals or data. Additionally or alternatively, in some embodiments, device 20 may include input and / or output devices (I / O devices). In particular embodiments, device 20 may also include a user interface, such as a graphical user interface or a touchscreen.

[0082] In an embodiment, memory 24 stores software modules that provide functionality when executed by processor 22. These modules may include, for example, an operating system that provides operating system functionality for device 20. The memory may also store one or more functional modules, such as applications or programs, to provide additional functionality for device 20. Components of device 20 may be implemented in hardware or as any suitable combination of hardware and software. According to an example embodiment, device 20 may optionally be configured to communicate with device devices via wireless or wired communication link 70 according to any radio access technology, such as NR.

[0083] According to some embodiments, processor 22 and memory 24 may be included in or form part of processing or control circuitry. Furthermore, in some embodiments, transceiver 28 may be included in or form part of transceiver circuitry. As described above, according to some embodiments, device 20 may be a UE, mobile device, mobile station, ME, IoT device, and / or NB-IoT device. According to a particular embodiment, device 20 may be controlled by memory 24 and processor 22 to perform functions associated with any of the embodiments described herein, such as... Figures 1-5 The image shown or targeted Figures 1-5 Some operations are described. For example, in one embodiment, device 20 may be controlled by memory 24 and processor 22 to perform these operations. Figure 5 The method.

[0084] In some embodiments, the apparatus (e.g., apparatus 10 and / or apparatus 20) may include equipment for performing the methods or any variations discussed herein, for example, referring to Figure 5 The method described. Examples of equipment may include one or more processors, memory, and / or computer program code for causing the execution of operations.

[0085] Therefore, certain example embodiments provide several technical improvements, enhancements, and / or advantages compared to prior art processes. For example, one advantage of some example embodiments is that they help ensure PHR and / or measurement reports are prioritized during MPE events. Additionally or alternatively, other advantages of some example embodiments include prioritizing PHR (including MPE P-MPR) for low P-MPR values ​​to help ensure network nodes quickly receive the latest P-MPR reports and / or prioritizing measurement reports for high P-MPR values ​​to help ensure the network can redirect beams to another beam pair (from the same network node or by handover). Additionally or alternatively, other benefits of some embodiments include providing the network with knowledge of how UEs prioritize their logical channels during MPE events and / or providing the network with relevant information to serve UEs and avoid loss of communication links during MPE events. Therefore, the use of some example embodiments leads to improvements in the functionality of communication networks and their nodes, and thus constitutes an improvement in the technical field, at least in the handling of MPE events.

[0086] In some example embodiments, the functionality of any of the methods, processes, signaling diagrams, algorithms, or flowcharts described herein may be implemented by software and / or computer program code or portions thereof stored in memory or other computer-readable or tangible media and executed by a processor.

[0087] In some example embodiments, the apparatus may include or be associated with at least one software application, module, unit, or entity, which is configured to perform arithmetic operations or is configured to be a program or a portion thereof (including added or updated software routines) executed by at least one processing unit. A program, also known as a program product or computer program, includes software routines, applets, and macros, and may be stored in any device-readable data storage medium and may include program instructions to perform a specific task.

[0088] A computer program product may include one or more computer-executable components that, when the program runs, are configured to perform some example embodiments. The one or more computer-executable components may be at least one piece of software code or a portion of code. Modifications and configurations for implementing the functionality of the example embodiments may be executed as routines, which may be implemented as added or updated software routines. In one example, the software routines may be downloaded to the device.

[0089] For example, software or computer program code, or parts thereof, can be in the form of source code, object code, or some intermediate form, and can be stored on some carrier, distribution medium, or computer-readable medium, which can be any entity or device capable of carrying the program. For example, such a carrier can include recording media, computer memory, read-only memory, optoelectronic and / or electrical carrier signals, telecommunication signals, and / or software distribution packages. Depending on the required processing power, a computer program can be executed in a single electronic digital computer or distributed among multiple computers. Computer-readable media or computer-readable storage media can be non-transitory media.

[0090] In other example embodiments, this function may be performed by hardware or circuitry included in a device (e.g., device 10 or device 20), for example by using an application-specific integrated circuit (ASIC), a programmable gate array (PGA), a field-programmable gate array (FPGA), or any other combination of hardware and software. In yet another example embodiment, the function may be implemented as a signal, such as an intangible means carried by an electromagnetic signal that can be downloaded from the Internet or other networks.

[0091] According to example embodiments, an apparatus such as a node, device, or corresponding component may be configured as a circuit, computer, or microprocessor, such as a single-chip computer element, or configured as a chip set, which may include at least a memory for providing storage capacity for arithmetic operations and / or an arithmetic processor for performing arithmetic operations.

[0092] The exemplary embodiments described herein are equally applicable to both singular and plural implementations, regardless of whether a singular or plural language is used in conjunction with the description of a particular embodiment. For example, an embodiment describing the operation of a single network node is equally applicable to embodiments involving multiple instances of network nodes, and vice versa.

[0093] It will be readily understood by those skilled in the art that the exemplary embodiments described above can be practiced with a different order of operation and / or with hardware elements in a different configuration than those disclosed. Therefore, although some embodiments have been described based on these exemplary embodiments, it will be apparent to those skilled in the art that particular modifications, variations, and alternative constructions will be apparent while remaining within the spirit and scope of the exemplary embodiments.

[0094] Partial Glossary

[0095] ACK confirmation

[0096] HARQ Hybrid Automatic Repeat Request

[0097] MPE Maximum Permissible Exposure

[0098] PBO power back-off

[0099] PHR Power Headroom Report

[0100] P-MPR Power Management - Maximum Power Reduction

[0101] PUCCH (Physical Uplink Control Channel)

[0102] PUSCH Physical Uplink Shared Channel

[0103] SR scheduling request

Claims

1. A method for communication, comprising: The user equipment receives the configuration of at least two rules associated with the application of power backoff for uplink transmission. The at least two rules include at least one rule for the maximum allowed exposure event and at least one rule for events other than the maximum allowed exposure event. The at least one rule for the maximum allowed exposure event distinguishes between control plane services and user plane services, and prioritizes control plane services over user plane services; Detect the maximum permissible exposure event; At least one rule for the maximum allowed exposure event is applied to the uplink transmission; The uplink transmission is transmitted to the network node, wherein the uplink transmission includes a report of the maximum permissible exposure event; as well as Receive from the network node an instruction to change the power distribution after transmitting the report. The at least one rule for the maximum permissible exposure event provides different power distributions for different maximum power reduction values ​​for power management or for different groups of maximum power reduction values ​​for power management; The application of at least one rule for the maximum allowed exposure event further includes: Prioritize the physical uplink control channel; as well as Using the scheduling request within the physical uplink control channel, activate or deactivate the power allocation scheme for the maximum allowable exposure event.

2. The method of claim 1, wherein the at least one rule for the non-maximum permissible exposure event is associated with enabling the user equipment to continue the uplink transmission without applying the power backoff due to the maximum permissible exposure event.

3. The method of claim 1, wherein the at least one rule for the maximum allowed exposure event is configured by a network node.

4. The method of claim 1, wherein the at least one rule for the maximum allowed exposure event indicates the power distribution of the control plane service and the user plane service for the uplink transmission when the maximum allowed exposure event occurs.

5. The method of claim 1, wherein the detection of the maximum permissible exposure event further comprises: Detecting users or objects near the antenna of the user equipment; as well as The detected user or object is determined to be within a threshold distance of the antenna.

6. The method of claim 1, wherein the application of the at least one rule for the maximum permissible exposure event further comprises: The physical uplink shared channel is re-prioritized based on the payload for the maximum allowed exposure event.

7. The method of claim 1, wherein the application of the at least one rule for the maximum permissible exposure event further comprises: Distribute power to at least one of the following: At least one physical uplink shared channel transmission, At least one physical uplink control channel is transmitted. At least one physical random access channel is used for transmission, or At least one detection reference signal is transmitted.

8. The method of claim 7, wherein the power allocation further comprises: The power is allocated to at least one of the following: The transmission of at least one physical random access channel on the primary cell, The transmission of at least one physical uplink control channel having hybrid automatic repeat request acknowledgment or scheduling request information based on the maximum power reduction level of power management. The at least one physical uplink shared channel transmission has power margin or measurement report information based on the power management maximum power reduction level. The transmission of at least one probe reference signal having a higher priority than a semi-persistent probe reference signal or a periodic probe reference signal, or the transmission of at least one physical random access channel in a serving cell other than the primary cell. The at least one physical uplink control channel transmission having channel state information or the at least one physical uplink shared channel transmission having the channel state information, and The at least one physical uplink shared channel transmission does not include the hybrid automatic repeat request acknowledgment information or the channel state information.

9. The method of claim 1, wherein the application of the at least one rule for the maximum permissible exposure event further comprises: At least one logical channel is prioritized based on the following priorities: Temporary identifier for the community radio network, media access control element, or data from the uplink common control channel. Single-inlet power margin medium access control element or multi-inlet power margin medium access control element. Configured authorization confirmation media access control control element, For media access control elements that include buffer status reports other than those used for filling buffer status reports, In addition to data from the uplink common control channel, data from the at least one logical channel, For the recommended bit rate query, the media access control control element, and The media access control element includes a status report for the buffer to be filled.

10. The method according to claim 1, further comprising: Power distribution is applied during the maximum permissible exposure event based on the severity of the maximum permissible exposure event.

11. The method of claim 10, wherein the severity of the maximum permissible exposure event is indicated by a reported maximum power reduction in power management.

12. A communication device, comprising: At least one processor; as well as At least one memory, including computer program code, The at least one memory and the computer program code are configured to use the at least one processor to cause the device to perform at least the method according to any one of claims 1-11.

13. A communication device, comprising: Device for performing the method according to any one of claims 1-11.

14. A communication device, comprising: A circuit configured to perform the method according to any one of claims 1-11.

15. A non-transitory computer-readable medium comprising program instructions stored thereon for performing the method according to any one of claims 1-11.

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