Abstract: Methods and devices for downlink (DL) control channel communications operating in a semi-static channel access mode in a shared frequency band are provided. In one aspect, a method is performed by a base station (BS) and includes: transmitting, based on a first configuration during a first period, a first downlink (DL) control signal, where the first configuration is based on the first period associated with a first channel occupancy signal (COT) type; and transmitting, based on a second configuration during a second period, a second DL control signal, where the second configuration is based on the second period associated with a second COT type different from the first COT type, and where the second configuration is different from the first configuration.

Abstract: Example aspects include a method, apparatus, and computer-readable medium for wireless communication at user equipment of a mobile network, comprising receiving, from a base station via a first beam, a pre-grant message requesting the UE to perform a listen-before-talk (LBT) procedure on a second beam. The aspects further include performing, according to the pre-grant message, the LBT procedure on the second beam. Additionally, the aspects include indicating, to the base station, whether the LBT procedure was successful.

Abstract: A configuration for resource allocation for PDCCH with multi-relay based communication. The apparatus determines a transmission time of a signal comprising a sequence of a plurality of PDCCHs to a target node. At least one relay is between the base station and the target node. The apparatus transmits, to each of the at least one relay, a relay configuration comprising scheduling information for each of the at least one relay to relay the signal. The scheduling information is based on a determination of the transmission time of the signal to the target node.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may communicate with multiple transmit receive points (TRPs) in a frame based equipment mode. A wireless node (e.g., the UE and/or one or more of the multiple TRPs) may determine, among the UE and the multiple TRPs, an initiating node that acquired a current channel occupancy time. The wireless node may determine a transmission pattern that includes one or more idle periods based at least in part on a fixed frame period structure associated with the initiating node that acquired the current channel occupancy time. The wireless node may refrain from transmitting during the one or more idle periods, wherein the one or more idle periods include at least an idle period associated with the wireless node. Numerous other aspects are described.

Abstract: This disclosure provides systems and methods, including computer programs encoded on computer storage media, for managing control channel monitoring. In an aspect, a mobile device may receive a wakeup signal including an indication of one or more groups of physical downlink control channel (PDCCH) search space sets. The mobile device may determine one or more PDCCH monitoring times based on the indication of the one or more groups of PDCCH search space sets. The mobile device may monitor the PDCCH during the determined one or more PDCCH monitoring times. In another aspect, a network element may configure two or more groups of physical downlink control channel (PDCCH) search space sets among the plurality of mobile devices and transmit a wakeup signal indicating to the plurality of mobile devices which of the two groups of PDCCH search space sets to which each mobile device of the plurality of mobile devices belongs.

Abstract: Methods, systems, and devices for wireless communications are described. A first wireless device may determine an energy pattern corresponding to a characteristic of the first wireless device. The energy pattern may include at least two sub-periods of different energy levels. The first wireless device may transmit the energy pattern on a channel (e.g., an unlicensed channel) prior to transmitting a first message on the channel to indicate the upcoming message to other devices. A second wireless device may monitor the channel during energy detection intervals and may detect the energy pattern. The second wireless device may determine the characteristic of the first wireless device based on detecting the energy pattern and may modify timing for transmission of a second message on the channel based on determining the characteristic. The first wireless device may transmit the first message on the channel based on transmitting the energy pattern.

Abstract: Certain aspects of the present disclosure provide techniques for channel access. One example method by a wireless node generally includes selecting a mode of operation associated with a configuration for communicating with one or more other wireless nodes, determining a procedure for gaining access to a medium to be used for the communication, wherein the procedure is determined based on the mode of operation, and communicating with the one or more other wireless nodes using the mode of operation after gaining access to the medium based on the procedure.

Abstract: Wireless communication methods and devices for selective receiver-assisted channel sensing are provided. In some aspects, one or more receivers (e.g., UEs) can be selectively configured to perform receiver-assisted channel sensing (e.g., class A channel sensing) using at least one of trigger signaling and channel sensing configuration by a BS, UE capabilities, or operational mode. For example, a method for wireless communication performed by a user equipment (UE) includes: sensing a channel based on at least one of a receiver-assisted channel sensing trigger, or a UE capability; and transmitting, to a base station (BS) based on the sensing, channel sensing information.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitting (Tx) node may perform a channel measurement in a channel sensing contention slot based at least in part on a measurement time, wherein the measurement time is based at least in part on one or more of a sensing bandwidth or a beam switching time. The Tx may perform, to a receiving (Rx) node, a transmission based at least in part on a value of the channel measurement satisfying a threshold. Numerous other aspects are described.

Abstract: The present disclosure discloses a method for preparing an anode material for lithium ion battery of a SiC nanoparticle encapsulated by nitrogen-doped graphene. The method includes: in an ammonia atmosphere, heating a SiC nanoparticle for a predetermined time, and cooling to obtain the SiC nanoparticle encapsulated by nitrogen-doped graphene.

Abstract: A method for obtaining trademark similarity is disclosed, and includes: obtaining character information of a first trademark and character information of a second trademark; constructing a feature information set according to the character information of the first trademark and the character information of the second trademark; and obtaining a degree of similarity between the first trademark and the second trademark based on the feature information set. By automatically constructing multiple pieces of feature information for evaluating trademark similarity, the method can quickly and accurately obtain a degree of similarity between trademarks, and at the same time, can also avoid the problems of manual design rules or inaccurate calculation of manual design rules.

Abstract: The present disclosure discloses a method for preparing an anode material for lithium ion battery of a SiC nanoparticle encapsulated by nitrogen-doped graphene. The method includes: in an ammonia atmosphere, heating a SiC nanoparticle for a predetermined time, and cooling to obtain the SiC nanoparticle encapsulated by nitrogen-doped graphene.

Abstract: The present application provides information pushing methods and systems. A demand object of a user is determined according to historical behavior data of the user, and user generated content (UGC) associated with the demand object of the user is pushed to the user, so that the pushed information is more credible. Further, the present application can be applied to an e-commerce website to increase users' purchasing power.

Abstract: A first search term input by a user is obtained. The first search term is matched with at least one keyword in a list such as an offline lists to select at least one keyword from the list. Each keyword in the list corresponds to at least one search recommendation respectively. A search recommendation corresponding to the at least one keyword selected from the offline list is obtained and provided to the user as a search recommendation of the first search term. For example, a historical user behavior relating to the keyword is obtained from a log record. A document generated by the historical user behavior is obtained. At least one candidate recommendations are obtained from text segmentation of the document. The present techniques provide a large range of selection of search recommendations, reduce a number of user searches, and further reduce search time and traffic.

Abstract: The present application provides methods, systems, and electronic devices for generating and presenting data object description information. The generation method includes: obtaining an evaluation information set of a data object; extracting at least one current feature word set and at least one current sentiment word set from the evaluation information set; determining a representative feature word of each current feature word set respectively; determining a representative sentiment word corresponding to each representative feature word respectively according to a sentiment word associated with a feature word in each current feature word set; and generating description information based on at least one representative feature word and a respective corresponding representative sentiment word.

Abstract: Embodiments of the present disclosure provide methods and systems for processing and displaying online review data of products. In one implementation, a method for processing and displaying online review data may include: acquiring the review data of a target object in accordance with an access trigger instruction of a target user; determining whether an association relationship exists between the target user and a user corresponding to the review data in a pre-established multidimensional user relationship table; in response to the association relationship existing, acquiring the association relationship; and displaying an identifier of the association relationship. Embodiments consistent with the present disclosure optimize the display of review data of a target object, which can help a user better understand the target object, thereby improving the credibility of the review data of the target object and improving user experience.

Abstract: The present disclosure provides an information search navigation method and apparatus. The disclosed methods and apparatus operate using a process comprises the following steps: monitoring a user operation on a search result page; determining search words corresponding to the search result page when the operation satisfies the preset condition; acquiring and displaying the pre-generated guide information corresponding to the search words, wherein the guide information carries a plurality of keyword tags; and displaying the search result page corresponding to the keyword tags operated by the user. The server can display the guide information corresponding to the search words on the search result page, and also present a more accurate search result page to the user based on the user's keyword tags operation. This improves the efficiency of target information lookup.

Abstract: The present disclosure provides example methods and apparatuses of labeling product identifiers and methods of navigating products. Description information of one or more products is extracted. The description information of the products is clustered into a text. A subject analysis is applied to the text by using a text analysis method based on subject models to obtain one or more subjects and definition names for the subjects. A subject that is correlated to the description information of the product is used as an identifier of the product to label the product. The present techniques label the products with identifiers that have one or more user dimension attributes so that users may easily and intuitively find their desired products.

Abstract: A first search term input by a user is obtained. The first search term is matched with at least one keyword in a list such as an offline lists to select at least one keyword from the list. Each keyword in the list corresponds to at least one search recommendation respectively. A search recommendation corresponding to the at least one keyword selected from the offline list is obtained and provided to the user as a search recommendation of the first search term. For example, a historical user behavior relating to the keyword is obtained from a log record. A document generated by the historical user behavior is obtained. At least one candidate recommendations are obtained from text segmentation of the document. The present techniques provide a large range of selection of search recommendations, reduce a number of user searches, and further reduce search time and traffic.

Abstract: The present disclosure provides example methods and apparatuses of labeling product identifiers and methods of navigating products. Description information of one or more products is extracted. The description information of the products is clustered into a text. A subject analysis is applied to the text by using a text analysis method based on subject models to obtain one or more subjects and definition names for the subjects. A subject that is correlated to the description information of the product is used as an identifier of the product to label the product. The present techniques label the products with identifiers that have one or more user dimension attributes so that users may easily and intuitively find their desired products.