Abstract: Methods, systems, and devices related to mobility management (e.g., reducing transmission delay and interference, and/or increasing transmission reliability) using the unlicensed spectrum are described. In one representative aspect, a method for wireless communication includes receiving, at a wireless communication node, a first message from a mobile device requesting a reestablishment of a network connection; transmitting, from the wireless communication node, a second message to the mobile device, the second message including information for reestablishing and reconfiguring the network connection; and receiving, at the wireless communication node, a third message from the mobile device acknowledging at least one of (1) completing a reestablishment of the network connection, or (2) completing a reconfiguration of the network connection.

Abstract: Techniques for interference mitigation in a wireless communication system are disclosed. One example method includes receiving, at a first communication node, interference status information indicative of a remote interference between the first communication node and a second communication node and performing, by the first communication node, subsequent communications to the second communication node by implementing a backoff based on a granularity.

Abstract: Provided are a circularly polarized antenna and a wearable device. The circularly polarized antenna is applicable to a wearable device, the antenna including: an annular gap structure including an annular antenna radiator, the radiator having an effective perimeter equal to a wavelength corresponding to a central operating frequency of the circularly polarized antenna; a feeding terminal connected across the gap structure, electrically connected to the radiator at one end, and connected to a feeding module of a mainboard of the wearable device at the other end; and at least one first grounding terminal connected across the gap structure, electrically connected to the radiator at one end, and electrically connected to a grounding module of the mainboard via an inductor at the other end.

Abstract: Provided are a method for sending a signal channel, a base station, a storage medium, and an electronic apparatus. The method includes the following steps: a signal channel is configured, where the signal channel is used for cell search, synchronization and measurement; and the signal channel is sent to a terminal.

Abstract: Methods, systems, and devices related to mobility management (e.g., reducing transmission delay and interference, and/or increasing transmission reliability) using the unlicensed spectrum are described. In one representative aspect, a method for wireless communication includes receiving, at a wireless communication node, a first message from a mobile device requesting a reestablishment of a network connection; transmitting, from the wireless communication node, a second message to the mobile device, the second message including information for reestablishing and reconfiguring the network connection; and receiving, at the wireless communication node, a third message from the mobile device acknowledging at least one of (1) completing a reestablishment of the network connection, or (2) completing a reconfiguration of the network connection.

Abstract: The present disclosure relates to a semiconductor packaging method. The method includes: providing a first wafer; and performing a wafer stacking operation a plurality of times. The wafer stacking operation includes: forming a first to-be-bonded wafer in the shape of a boss, where the first to-be-bonded wafer includes a base and a protrusion from the base, and orientating the protrusion toward a second to-be-bonded wafer and bonding the protrusion to the second to-be-bonded wafer; forming a first dielectric layer on a surface of the protrusion; and performing second trimming on an edge region of the protrusion and an edge region of the second to-be-bonded wafer, so that the remainder of the second to-be-bonded wafer after the second trimming is in the shape of a boss, and using the remainder of the wafer stack after the second trimming as the first to-be-bonded wafer for next wafer stacking.

Abstract: A system and method for base station selection in licensed and unlicensed spectrums are disclosed herein. In one embodiment, a method performed by a communication device includes: receiving reference signals, wherein the reference signals are from a licensed spectrum or an unlicensed spectrum; determining a parameter value, based on the reference signals, associated with least one of a received signal strength indicator (RSSI) and a channel occupancy; and selecting a communication node in response to the parameter value meeting a condition.

Abstract: Provided are a data transmission method and device and a storage medium. The method includes: determining a first time domain resource for transmitting data according to first preset information, where the first preset information includes at least one of: indication information from a base station, a sensing result for a channel, or a measurement result for interference; and transmitting the data by using the determined first time domain resource.

Abstract: The present invention provides novel crystalline forms of zuclomiphene citrate. Specific crystalline forms provided by the present invention include zuclomiphene citrate Forms APO-I, APO-II, APO-III, and APO-IV. Also provided are pharmaceutical compositions including the zuclomiphene citrate crystalline forms, processes for the preparation thereof and the use of these forms in the treatment of a disorder selected from the group including osteoporosis, bone fractures, loss of bone mineral density (BMD) and hot flashes in a subject suffering therefrom.

Abstract: This document generally relates to wireless communication systems that involve one or more intelligent reflecting devices. A plurality of second nodes that communicate with a first node may be grouped into node groups based on one or more communication parameters between the plurality of second nodes and an intelligent reflecting device. In turn, the first node may transmit signals to the plurality of second nodes via the intelligent reflecting device according to a time schedule based on the node grouping. In addition or alternatively, an intelligent reflecting device may include surface elements that are divided into multiple surface element regions. The first node may communicate with the multiple surface element regions independently in order to service the plurality of second nodes.

Abstract: Disclosed are devices, systems and methods for channel access procedures that include a listen-before-talk (LBT) rule for preventing a mismatch between a sensing beam and a transmission beam. In some implementations, a data communication method includes detecting an idle channel by performing, by a communication node, an energy detection operation based on at least one of a transmission beam or a reception beam, and transmitting, upon detection of the idle channel in at least one of the transmission beam or the reception beam, messages through the transmission beam corresponding to the idle channel.

Abstract: A system and method for time division multiplexing using different radio access technologies is disclosed. In one embodiment, a method performed by a first communication node includes: identifying a time division multiplex pattern that associates a plurality of time domain resources with: one of an uplink signal and a downlink signal, and one of at least two radio access technologies; receiving the uplink signal using at least one first associated time domain resource; and transmitting the downlink signal using at least one second associated time domain resource, wherein the plurality of time domain resources are sequential, and wherein at least one first and second associated time domain resources are associated with different radio access technologies.

Abstract: The present disclosure describes methods, system, and devices for configuring hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback for physical downlink shared channel (PDSCH) transmission. The method includes receiving, by a user equipment (UE), a radio resource control (RRC) parameter to configure an enhanced dynamic HARQ-ACK feedback mode; and receiving, by the UE, a first downlink control information (DCI) comprising a first K. The first DCI corresponds to a first PDSCH. The method also includes receiving, by the UE, a second DCI for a second PDSCH, the second DCI comprising a second K with an applicable value; and transmitting, by the UE, an enhanced dynamic HARQ-ACK feedback according to a preset rule.

Abstract: A method for synthesizing an aliphatic polyester block copolymer regulated by carbon monoxide. The method uses an organic cobalt metal complex as a convertible catalyst and includes: first regulating an anionic ring-opening copolymerization reaction between an aliphatic acid anhydride and an epoxy compound; then using carbon monoxide as a conversion agent for conversion to obtain a catalyst having a new catalytic active site; and regulating a vinyl monomer to perform active free radical polymerization to obtain an aliphatic polyester block copolymer having a controllable structure. The described synthesis method uses a convertible catalyst and a conversion agent, combines two controllable polymerization reactions which have different but compatible mechanisms, and obtains a block copolymer by means of a “one-pot” reaction.

Abstract: This document generally relates to use of intelligent reflecting devices in wireless communication systems, which may increase the coverage for a wireless access node or base station. An intelligent reflecting device may configure its surface with a degree of reflection according to a reflection scheme, and in turn, the surface may reflect an incident signal according to the reflection scheme. As a result, the reflected signal may have one or more characteristics that indicate to a receiving device that the received signal was reflected by an intelligent reflecting device, and/or one or more characteristics of the intelligent reflecting device.

Abstract: One or more devices, systems, and/or methods for facilitating access to an uplink carrier are provided. For example, information corresponding to a plurality of uplink carriers may be received from a wireless node. An uplink carrier may be selected from the plurality of uplink carriers based upon the information. A request to access the uplink carrier may be transmitted to the wireless node.

Abstract: A method and apparatus for performing a random access (RACH) procedure is disclosed. In one embodiment, a method performed by a wireless communication node, includes: performing a plurality of random access (RACH) procedures with a wireless communication device on a first frequency resource set and a second frequency resource set, wherein the plurality of RACH procedures each comprises: receiving a first message on a first frequency resource from the wireless communication device, wherein the first frequency resource is selected from the first frequency resource set; transmitting a second message on a second frequency resource to the wireless communication device within a pre-determined time window, wherein the second frequency resource is selected from the second frequency resource set; receiving a third message on the first frequency resource from the wireless communication device; and transmitting a fourth message on the second frequency resource to the wireless communication device.

Abstract: A wireless communication method for use in a wireless device. The wireless communication method comprises transmitting data in a first period and performing a first operation in a second period which is within the first period.

Abstract: Disclosed is a power sharing method, including: determining a transmit power of a UE on a first carrier and a transmit power of the UE on a second carrier; and receiving first uplink traffic transmitted by the UE on the first carrier according to the transmit power on the first carrier, and receiving second uplink traffic transmitted by the UE on the second carrier according to the transmit power on the second carrier. Further disclosed are a power sharing apparatus, a storage medium, and a processor.

Abstract: Disclosed are a method and apparatus for processing interference, a storage medium and an electronic device. The method includes: generating a first reference signal, and sending the first reference signal according to a first parameter set.