baber/WOPTO huggingface dataset:
Patent WO-2021088941-A1 (WO)
Inventor: ZONG ZAIFENG
IPC: H04W4/06
Filed: 2020-11-05
Abstract: The present application provides a communication method, device, and system that are applied to a scenario in which a first terminal device moves from a source access network device to a target access network device, and can reduce multicast service delays resulting from switching between the access network devices. The communication method comprises: a source access network device sending a first identifier to a target access network device, the first identifier being used to identify a first multicast service; the target access network device correspondingly receiving the first identifier from the source access network device, and determining a transmission configuration for transmitting data of the first multicast service between the target access network device and a first terminal device, wherein the transmission configuration comprises a unicast configuration or a multicast configuration; and the target access network device sending to the first network device, via the source access network device, wireless configuration information corresponding to the transmission configuration.
Patent WO-2021089021-A1 (WO)
Inventor: LI HONGBIAO
IPC: B67D1/12
Filed: 2020-11-06
Abstract: An automatic control liquid pouring apparatus, an action adjustment member (7) of the apparatus being capable of being used directly or indirectly with a liquid outlet sleeve (4)/movable plug (5); when in use, the user places a cup on a bottom plate (6), and the action adjustment member (7) can make the liquid outlet sleeve (4)/movable plug (5) move relative to a container sleeve (3) such that liquid filling an inner cavity of a container (1) flows into the inner cavity of the cup from a liquid outlet (41)/movable plug liquid outlet (55), thus having the feature of automatically starting the liquid discharge; when the liquid level of the liquid in the inner cavity of the cup rises to seal the liquid outlet (41) lower end/movable plug liquid outlet (55), the flow of the liquid into the inner cavity of the cup can be stopped, thus having the feature of automatically stopping the liquid discharge; and when the user removes the cup, the adjustment member (7) is used directly or indirectly with the liquid outlet sleeve (4)/movable plug (5) to plug the liquid outlet (41)/movable plug liquid outlet (55), thus having the feature of automatically closing the liquid discharge; and also having the features of convenient use, simple operation, and fixed quantity pouring.
Patent WO-2021129220-A1 (WO)
Title: 定位大气波导干扰的方法、基站及计算机可读存储介质
Inventor: WU JIANG
IPC: H04W24/02
Filed: 2020-11-12
Abstract: 根据本公开实施例提供的定位大气波导干扰的方法，通过获取标准带宽对应的特征序列；根据所述特征序列确定与服务小区实际带宽匹配的目标特征序列，发送所述目标特征序列；通过接收目标特征序列，根据所述目标特征序列确定发送所述目标特征序列的服务小区；所述目标特征序列由所述服务小区获取标准带宽长度对应的特征序列后，根据所述特征序列得到的与所述服务小区实际带宽匹配的目标特征序列，解决了同频段上各服务小区带宽无法完全对齐，使得特征序列检测复杂度高，运算量大，从而无法使用大气波导定位功能的技术问题。
Patent WO-2021093854-A1 (WO)
Title: Device and method for preparing battery-grade methyl ethyl carbonate
Inventor: LI XIN
IPC: C07C68/08
Filed: 2020-11-13
Abstract: A method for preparing battery-grade methyl ethyl carbonate, comprising a reactive rectifying column (100), a reactive rectifying column reboiler (101), a first compressor (201), a removal column (200), a product rectifying column (300), a second compressor (301), and a product rectifying column reboiler (302). Steam collected from the top of the reactive rectifying column (100) and hot materials in the product rectifying column (300) supply heat to the reaction materials, and steam consumption is reduced. Only a reboiler (202) in the removal column consumes low pressure steam, and other columns do not consume low pressure steam. Moreover, the product meets the battery-grade requirements, the quality is stable, no dangerous solid waste containing organic substances is generated, the raw material cost is low, the by-products are few, and the energy is saved.
Patent WO-2022104587-A1 (WO)
Inventor: WU LIANGMING
IPC: H04L27/06
Filed: 2020-11-18
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, a configuration indicating a set of encoding parameters corresponding to a constellation shaping encoding process. The UE may calculate a number of bits of a first subset of a source bit stream, and the first subset of the source bit stream may include or encompass an input to a distribution matcher. The UE may apply, to the first subset, a distribution matcher parameter based on the set of encoding parameters. The UE may calculate a number of bits of a second subset of the source bit stream, and the second subset of the source bit stream may be concatenated with an output bit stream of the distribution matcher as an input to a channel encoder. The UE may signal the source bit stream to the base station.
Patent WO-2022109776-A1 (WO)
Title: 智能交通系统及其中的信息传输方法
Inventor: LIANG JINYAO
IPC: G08G1/01
Filed: 2020-11-24
Abstract: 一种智能交通系统及其中的信息传输方法。智能交通系统包括一系列路侧节点，各路侧节点分别包括一个或多个传感器，其中，一系列路侧节点中至少有一个路侧节点被配置成：分配一个路侧节点的各传感器的权重并基于所分配的权重生成表示一个路侧节点的各传感器感测信息的融合结果的融合信息，融合信息至少包含所分配的权重信息；并且一系列路侧节点中至少有另一个路侧节点与一个路侧节点通信连接并且被配置成：接收来自一个路侧节点的融合信息，基于所接收的融合信息确定另一个路侧节点的各传感器的权重，并且基于所确定的权重生成表示另一个路侧节点的各传感器感测信息的融合结果的融合信息。
Patent WO-2022088353-A1 (WO)
Title: Photographing optical lens
Inventor: WANG KANG
IPC: G02B13/00
Filed: 2020-11-27
Abstract: A photographing optical lens (10). The photographing optical lens (10) successively comprises from an object side to an image side: a first lens (L1) having positive refractive power, a second lens (L2) having negative refractive power, a third lens (L3) having negative refractive power, a fourth lens (L4), a fifth lens (L5) having negative refractive power, a sixth lens (L6) having positive refractive power, and a seventh lens (L7) having negative refractive power, wherein the Abbe number of the first lens (L1) is v1, the focal length of the photographing optical lens (10) is f, the focal length of the second lens (L2) is f2, the center curvature radius of an object side surface of the third lens (L3) is R5, the center curvature radius of an image side surface of the third lens (L3) is R6, and the following relational expressions are satisfied: 65.00≤v1≤95.00; -6.00≤f2/f≤-1.80; and -30.00≤(R5+R6)/(R5-R6)≤-1.50. The photographing optical lens (10) has good optical properties, and satisfies the design requirements of large aperture, wide angle, and ultra-thinness.
Patent WO-2021212881-A1 (WO)
Inventor: WEI JING
IPC: F25D25/02
Filed: 2020-12-16
Abstract: A refrigerator, comprising a box body (1) and a drawer (2) provided within the box body (1). The refrigerator further comprises a self-locking mechanism provided between the box body (1) and the drawer (2); the self-locking mechanism comprises a heart-shaped groove (3) provided on a side wall of the box body (1), a sliding mechanism (4) fitted to the heart-shaped groove (3), and an elastic member (5); the sliding mechanism (4) is provided with a sliding structure slidably provided in the heart-shaped groove (3) and a fitting structure fitted to the drawer (2); and the elastic member (5) has elastic potential energy for moving the drawer (2) forward when the drawer (2) is closed.
Patent WO-2022126640-A1 (WO)
Title: Procédé d'évitement d'interférences et station de base
Inventor: XING JINQIANG
IPC: H04W72/12
Filed: 2020-12-18
Abstract: Des modes de réalisation de la présente demande fournissent un procédé d'évitement d'interférences et une station de base, qui peuvent réduire des interférences radioélectriques entre une station de base terrestre pour communiquer avec un terminal de vol et une station de base de réseau PLMN.Le procédé d'évitement d'interférences comprend les étapes suivantes : une première station de base évite des interférences avec une seconde station de base en coordonnant une ressource temps-fréquence avec la seconde station de base, la première station de base étant utilisée pour communiquer avec un terminal de vol et la seconde station de base étant une station de base de réseau PLMN ; ou la première station de base étant une station de base de réseau PLMN et la seconde station de base étant utilisée pour communiquer avec le terminal de vol.
Patent WO-2022141020-A1 (WO)
Inventor: QIN JIANYING
IPC: H01L27/11582
Filed: 2020-12-29
Abstract: A memory device and an electronic device. In the memory device, a ferroelectric layer (113), a first conductor layer (112) in contact with the ferroelectric layer (113), and a conductor structure (116) in contact with the ferroelectric layer (113) can form a memory unit; and the ferroelectric layer (113), a second conductor layer (114) in contact with the ferroelectric layer (113) and the conductor structure (116) in contact with the ferroelectric layer (113) can form a memory unit, thereby realizing a three-dimensional ferroelectric memory. One ferroelectric layer (113) can be used for forming two memory units, thereby further improving a memory capacity. The size of an isolation structure (115) is relatively large, and is less difficult to etch than a deep hole. An object of etching when a deep hole where the conductor structure (116) is located is formed is an isolation structure made of an insulating material, thereby avoiding the ferroelectric layer (113) and the conductor layer (112), which are difficult to etch; therefore, the etching precision is relatively high. The deep hole is provided in the isolation structure (115), thereby reducing the area of the device while ensuring the functions of the device, and improving the level of integration of the device, such that the three-dimensional ferroelectric memory has a good performance.
Patent WO-2022141129-A1 (WO)
Inventor: YING JIANGWEI
IPC: H04W28/16
Filed: 2020-12-29
Abstract: 本申请实施例提供频谱资源共享的方法、设备及系统，可以在网络共建方案中，提升特定用户(如高价值用户)或特定业务(如高价值业务)的用户体验。方法包括：移动管理实体确定允许第一终端设备占用第一网络的频谱资源，第一终端设备签约第二网络；移动管理实体向接入网设备发送第一指示信息，第一指示信息指示允许第一终端设备占用第一网络的频谱资源。接入网设备接收第一指示信息后，根据第一指示信息，为第一终端设备占用第一网络的频谱资源。
Patent WO-2021184917-A1 (WO)
Inventor: LU LIUMING
IPC: H04W24/10
Filed: 2020-12-30
Abstract: 本申请提出一种时延性能评估方法、装置和存储介质，该时延性能评估方法包括：通信节点根据预先获取的通信节点所在的BSS的内部通信竞争或控制引起的时延评估参数，对BSS内部通信环境所涉及的时延性能进行评估，和/或通信节点根据预先获取的BSS的外部干扰引起的时延评估参数，对BSS外部干扰所涉及的时延性能进行评估。
Patent WO-2021136442-A1 (WO)
Title: 一种带侧边贴链胶链带
Inventor: LIU SUHUA
IPC: B65G23/32
Filed: 2020-12-30
Abstract: 一种带侧边贴链胶链带(1)，包括输送带(2)和驱动链(3)，输送带(2)包括平边输送带(16)或固定件输送带或裸孔输送带(21)或镶孔环输送带(4),驱动链(3)包括滚子链(7)或环形链(30)，滚子链(7)或环形链(30)包括穿链带件(8)，穿链带件(8)包括销钉穿链带轴(17)或弹力锁扣轴(12)或穿环形链带件(32)或弹扣铆钉(22)，该结构使驱动链(3)与输送带(2)贴靠连接，避免了驱动链(3)与输送带(2)之间存在缝隙撒漏料，减少了扣侧边胶链带的宽度，降低了制造成本，安装拆卸快捷，无易退丝无易脱落件，制作简单，使用寿命长。
Patent WO-2021136457-A1 (WO)
Title: Multi-source alarm handling method and apparatus based on unified alarm platform, and related device
Inventor: SU GUOFENG
IPC: G08B21/00
Filed: 2020-12-30
Abstract: A multi-source alarm handling method and apparatus (400) based on a unified alarm platform, and a multi-source alarm system (500) and an electronic device (600). The method comprises: acquiring alarm data of a multi-source alarm event (S110); parsing the alarm data of the multi-source alarm event to obtain alarm information of the multi-source alarm event (S120); and assigning, according to the alarm information of the multi-source alarm event, and a service rule, the multi-source alarm event to a corresponding alarm receiving and handling terminal device for handling (S130). Alarm data of a multi-source alarm event is acquired and then parsed to obtain alarm information, and then, the multi-source alarm event is assigned, according to the alarm information and a service rule, to a corresponding alarm receiving seat or alarm handling seat so that personnel in the alarm receiving seat or in the alarm handling seat perform corresponding handling on the alarm event, such that access of multi-source alarm data can be supported, thereby improving the efficiency of responding to and handling alarm information, and shortening an alarm response time.
Patent WO-2022041655-A1 (WO)
Inventor: LIU FEI
IPC: B30B11/04
Filed: 2021-02-01
Abstract: An automatic whole-process soil tabletting device, relating to the technical field of soil tabletting. The automatic soil tabletting device comprises a device body, wherein a tabletting platform is arranged at the bottom of the device body, and a first station (B), a second station (C) and a third station (A) are arranged on the tabletting platform; a heating device (6) is arranged on the first station; a top plate is arranged at the top of the device body, and a soil crushing cutter (5) and a pressing head (9) are mounted on the top plate, the soil crushing cutter and the pressing head being respectively correspondingly arranged above the first station and the second station; and a groove disk (10) is further rotatably mounted on the tabletting platform, and a sample preparation groove (7) and a cleaning groove (8) are provided in the groove disk, the sample preparation groove and the cleaning groove corresponding to the first station, the second station or the third station in terms of position, and the sample preparation groove and the cleaning groove being respectively used for having a soil sample container and a cleaning container placed therein. The device solves the problem of a soil sample preparation process being complex and tedious, and structures required by various processes are integrated together, such that thermal drying, powdering and pressing are automatically completed.
Patent WO-2021203823-A1 (WO)
Inventor: ZHOU XUAN
IPC: G06K9/62
Filed: 2021-02-04
Abstract: 本申请公开了一种图像分类方法、装置、存储介质及电子设备，其中，获取待聚类图像，并提取待聚类图像的特征向量；将特征向量与聚类图像集合的中心特征向量进行比对；确定在比对过程中与特征向量的相似度最大且达到预设相似度的目标中心特征向量；将待聚类图像添加至目标中心特征向量对应的目标聚类图像集合。
Patent WO-2022183310-A1 (WO)
Inventor: ELSHAFIE AHMED
IPC: H04B7/02
Filed: 2021-03-01
Abstract: Selon divers aspects, la présente invention concerne des techniques, des procédés, des dispositifs, des systèmes et des supports non transitoires lisibles par ordinateur pour générer des livres de codes pour des surfaces intelligentes reconfigurables (RIS). Par exemple, un dispositif de commande de RIS génère un livre de codes pour une RIS par calcul de poids à l'aide d'une fonction transformée de Fourier discrète (DFT) ou d'une fonction transformée de Fourier fractionnelle (FrFT), sur la base de signaux de référence (RS) émis par un émetteur. Les poids correspondent aux éléments de la RIS ou à un sous-ensemble des éléments de la RIS. Dans certains aspects, le calcul des poids peut inclure des facteurs de suréchantillonnage qui permettent une plus haute résolution des poids et une recherche améliorée d'un réglage de précodage optimal. Différents ensembles de poids peuvent être utilisés pour différents faisceaux entrants. Le dispositif de commande de RIS peut être entraîné avec une paire constituée d'un émetteur et d'un récepteur pour identifier/générer le livre de codes pour un ensemble optimisé de poids dans des situations spécifiques.
Patent WO-2021175274-A1 (WO)
Inventor: GAN YONG
IPC: A61K9/20
Filed: 2021-03-04
Abstract: An olaparib dissolution enhancing composition, a preparation method therefor, a use thereof, and a medicament comprising the olaparib dissolution enhancing composition. The olaparib dissolution enhancing composition comprises: 100 parts by weight of olaparib, greater than 100 parts by weight and less than 200 parts by weight of copovidone, and 20 to150 parts by weight of a dissolution promoter. The olaparib dissolution enhancing composition and the medicament prepared therefrom are controllable in stability, oral absorption of active ingredients can be improved, the dosage of adjuvant materials is reduced, medication convenience of patients is increased, and industrial production is facilitated.
Patent WO-2022188066-A1 (WO)
Inventor: WANG LIXING
IPC: G06F21/57
Filed: 2021-03-10
Abstract: 提供了一种基于反向传播神经网络的操作系统的漏洞评分模型和方法，方法包括如下步骤：S1.确定评分指标体系，收集数据；S2.构建神经网络模型；S3.预处理数据；S4.训练神经网络；模型包括数据收集模块和神经网络评分模块。解决了现有评分方案存在的使用线性评分公式不准确、信息不充分时无法提供漏洞评分、不提供针对操作系统的评分方法问题。
Patent WO-2022178924-A1 (WO)
Inventor: HU XIONG
IPC: G09G3/34
Filed: 2021-03-12
Abstract: La présente invention concerne un procédé permettant d'empêcher la surchauffe d'un module de rétroéclairage et un dispositif d'affichage. Selon le procédé pour empêcher la surchauffe d'un module de rétroéclairage, le courant d'attaque de chaque partition de rétroéclairage dans un module de rétroéclairage est obtenu, une détermination de si la luminosité de chaque partition de rétroéclairage dans le module de rétroéclairage dépasse une luminosité de référence est effectuée, et la luminosité de la partition de rétroéclairage dépassant la luminosité de référence est ajustée de façon à correspondre à une luminosité cible, de façon à éviter la surchauffe du module de rétroéclairage provoquée par le fonctionnement prolongé de la partition de rétroéclairage à une luminosité élevée.
Patent WO-2021185236-A1 (WO)
Title: Gel, set of raw materials thereof and use thereof
Inventor: WU LIANGLIANG
IPC: C08J3/075
Filed: 2021-03-16
Abstract: The present invention relates to a gel, a set of raw materials thereof and use thereof. The gel is obtained by blending a first solution and a second solution and then performing in situ cross-linking. The first component contained in the first solution is an aldehyde group-modified polysaccharide. The second component contained in the second solution is composed of a hydrazide group small molecule and a hydrazide group-modified polysaccharide. The set of raw materials consist of the first component and the second component. The gel of the present invention is suitable for tissue engineering applications such as vitreum replacement gel, ocular surface sealant, and fundus sealant.
Patent WO-2021197058-A1 (WO)
Title: 通过微反应器合成氧杂环丁烷化合物的方法
Inventor: QIAN XIAOCHUN
IPC: C07D305/06
Filed: 2021-03-16
Abstract: 本发明提供了一种通过微反应器合成氧杂环丁烷化合物的方法。该合成方法包括：在碱性催化剂存在下，将三羟甲基丙烷和碳酸酯通入微反应器中，并在惰性溶剂或无溶剂条件下通过微反应连续流工艺合成所述氧杂环丁烷化合物。相对于常规反应器，微反应器具有传热传质系数高，混合性能好，温度容易控制和过程安全可控等优点。利用微反应器的优势进行上述三种氧杂环丁烷产品的生产，可大幅提高反应体系传质传热性，减少反应时间提高生产效率，尤其避免了裂解工序中长时间的高温过程，减少高沸点副产物的产生，提高了收率，并实现过程的连续化、自动化，提高过程安全性。上述合成过程所需的反应装置体积小，生产场地占用面积小，安全性高。
Patent WO-2022193196-A1 (WO)
Title: Network message handling device and method, and electronic device
Inventor: BI ZIXUE
IPC: H04L12/26
Filed: 2021-03-17
Abstract: The present application relates to the technical field of networks, and provides a network message handling device and method, and an electronic device, which are used to solve the problem in the prior art of the inefficient handling of network failures, and to improve the efficiency of parsing and handling network messages, thereby reducing the impact of network failures on user services and improving user satisfaction. In the network message handling device, first flow information and a flow category can be determined by means of a flow category identification module, and a network monitoring instruction is acquired on the basis of the flow category; flow information can be stored by means of a flow information management module, the flow information including the first flow information and second flow information; and the network monitoring instruction can be executed by an ALU module on the basis of the flow information, so as to output report data and the second flow information, and the second flow information is used as a data source for the next execution of the network monitoring instruction, such that intelligent monitoring of network message information is achieved, and the efficiency of parsing and handling network messages is improved.
Patent WO-2021190587-A1 (WO)
Title: 一种广谱型微囊藻毒素单克隆抗体及其制备方法
Inventor: ZHOU XIAOHONG
IPC: C07K16/14
Filed: 2021-03-25
Abstract: 本发明公开了一种广谱型微囊藻毒素单克隆抗体及其制备方法，本发明中为了获得针对微囊藻毒素整个环肽结构具有高度特异性的抗体，分别在12种微囊藻毒素的第七位氨基酸(Mdha)上通过2-巯基乙胺化学修饰引入一个氨基活性基团，然后与KLH偶联，分别得到12种微囊藻毒素与KLH的偶联物，采用"混合免疫原法"进行免疫，得到广谱型的微囊藻毒素单克隆抗体MCAB1、MCAB2、MCAB3、MCAB4和MCAB5。本发明的5株单克隆抗体对12种微囊藻毒素均具有较高的亲和力，可用于实际样品中的微囊藻毒素检测。
Patent WO-2022121159-A1 (WO)
Inventor: QI XIAOLAN
IPC: C12N15/867
Filed: 2021-03-26
Abstract: Provided is a vector system for inducing apoptosis, comprising Plasmid CMV-FKBP-tdTomato and Plasmid EF1α-FRBCaspase8-2A-BSD. Further provided are a preparation method for and an application of a vector system. The vector system has a simple preparation process, can be locally introduced and expressed in a specific site. The system function and lesion mechanism are direct, the onset period is short, and research time can be shortened; in addition, labeling and clearing processes are independently controlled, and experimental results are more intuitive. Therefore, the vector system can be widely applied in disease mechanism research and therapeutic strategy exploration, such as research on the distribution of diseased cells in vivo and research on the relationship between diseased cells and the occurrence and treatment of diseases.
Patent WO-2022121175-A1 (WO)
Inventor: XI BINGHUA
IPC: D04B1/04
Filed: 2021-03-30
Abstract: The present invention relates to the field of design and production processes for weft knitted fabrics, and in particular to a leather and fur integrated fabric and a production process therefor. The leather and fur integrated fabric is produced using a double weft-knitting machine structure; the front side of the leather and fur integrated fabric is knitted using 167 dtex/288 F polyester filaments, the back side is knitted using 21SJC, and the middle is knitted using 83 dtex/36 F connecting yarns. According to the present invention, a weft-knitted double-sided fabric structure is used, balanced force is applied on both sides of a yarn loop, the structure is stable, the fabric surface is smoother, the fabric has a soft feel, the air permeability and the water absorption are better, the fabric has various characteristics of composite fabrics but also mitigates the problems of the composite fabrics that the composite fabrics have a hard feel, are prone to degum and blister, and are not environment-friendly, the production cycle of the fabric is shortened, and the production cost is reduced.
Patent WO-2021197300-A1 (WO)
Inventor: XU LIMIN
IPC: G06F3/16
Filed: 2021-03-30
Abstract: An auxiliary reading method and apparatus, a storage medium and an electronic device. The auxiliary reading method comprises a reading aloud mode, wherein the reading aloud mode comprises: displaying a text to be read, and highlighting the current statement sentence by sentence; recording the pronunciation of a user when reading aloud, with the pronunciation of the user when reading aloud being the voice of the user reading the current statement aloud; and comparing an exemplary pronunciation with the pronunciation of the user when reading aloud, so as to obtain a reading aloud evaluation result for the pronunciation of the user when reading aloud. By means of comparing an exemplary pronunciation with the pronunciation of a user when reading aloud, the pronunciation of the user when reading aloud is evaluated, thereby facilitating the improvement of the degree of participation of the user and the learning effect; moreover, the user reading aloud helps to improve the listening and speaking ability of the user, and the evaluation of the pronunciation of the user when reading aloud can help the user to learn and master learning content in a more targeted manner.
Patent WO-2021197334-A1 (WO)
Inventor: XU NUO
IPC: A61K31/505
Filed: 2021-03-30
Abstract: A pharmaceutical combination for preventing and/or treating cancer and a kit. The pharmaceutical combination contains: a) a therapeutically and/or prophylactically effective amount of ascorbic acid or a derivative thereof; and b) a therapeutically and/or prophylactically effective amount of a substance, such as PKF118-130, NCB-0846, PRI-724, siRNA484, siRNA1202, siRNA1387, a compound C-1, and a compound C-2, influencing the formation of a TCF/β-catenin complex.
Patent WO-2021223568-A1 (WO)
Inventor: CHEN JING
IPC: H04W48/16
Filed: 2021-04-09
Abstract: 本申请提供了一种被叫域选择的方法和装置，该方法包括：第一节点获取由一个或多个SMN确定的用于选择终端设备的被叫域的信息，并根据该一个或多个SMN各自确定的用于选择终端设备的被叫域的信息，确定由该第一节点判断的用于选择该终端设备的被叫域的信息。当选择终端设备被叫域时考虑SMN感知到的终端设备所建立的会话的状态以及P-CSCF的工作状态等，以期提高终端设备的被叫域选择的准确性。