Abstract: Embodiments of this application provide a communication method and apparatus. The apparatus includes a receiving module and a sending module. When the receiving module receives a user equipment UE capability query message sent by a network device, the sending module sends a first UE capability message (including a first UE capability specification) to the network device, and when determining that a network exception occurs, sends a second UE capability message (including a second UE capability specification that is lower than the first UE capability specification) to the network device. This helps implement mutual compatibility between the terminal device and the network device, thereby ensuring that a communication link can be quickly established between the terminal device and the network device. In this way, a user can normally use the terminal device, and the terminal device can keep using a high-standard network as much as possible, thereby improving user experience.

Abstract: A receipt processing method for a transaction bill includes: obtaining at least one transaction bill, the at least one transaction bill being obtained after transaction processing is performed with a merchant based on a payment voucher of an institution; classifying the at least one transaction bill based on a merchant identifier if a receipt generation policy of the institution is a periodic generation policy, to obtain a bill subset corresponding to each merchant; sending a receipt application to a receipt service platform of each merchant, to perform receipt issuance for the bill subset; and receiving a receipt that is of each bill subset and that is returned by the receipt service platform, reading receipt additional information of the receipt, and associating the receipt additional information with the receipt.

Abstract: A user equipment (UE) capability reporting method and apparatus to improve a success rate of UE rollback configuration to a CA mode and improve transmission bandwidth of UE. The UE may report, based on received first capability enquiry request information, second capability enquiry request information, and multi-RAT request condition, a second band combination in a first RAT and a second multi-RAT band combination in the first RAT and a second RAT. The second multi-RAT band combination, which meets the multi-RAT request condition, is used to configure the UE to be in a multi-RAT multi-connectivity mode of the first RAT and the second RAT. In a process in which the UE reports the second band combination, the UE preferentially reports a first CA band combination.

Abstract: Apparatus and methods are provided for UE performing MAC partial reset during cell switch by LTM. In one novel aspect, the UE performs partial MAC reset by keeping a set of MAC procedures. In another novel aspect, the UE keeps the HARQ process initiated by the source cell for the cell switch by LTM. In one embodiment, the UE associates one or more HARQ entities of the source cell to one or more component carriers (CCs) of the target cell after switching the UE serving cell to the target cell. In one embodiment, the UE obtains association information by receiving association information from the network, or by a linkage between CCs of the source cell group and the target cell group when no SCell changes or the target PCell is a source SCell or by deriving the association information based on the difference of current slot/symbol/SFN.

Abstract: A user equipment (UE) capability reporting method and apparatus to improve a success rate of UE rollback configuration to a CA mode and improve transmission bandwidth of UE. The UE may report, based on received first capability enquiry request information, second capability enquiry request information, and multi-RAT request condition, a second band combination in a first RAT and a second multi-RAT band combination in the first RAT and a second RAT. The second multi-RAT band combination, which meets the multi-RAT request condition, is used to configure the UE to be in a multi-RAT multi-connectivity mode of the first RAT and the second RAT. In a process in which the UE reports the second band combination, the UE preferentially reports a first CA band combination.

Abstract: Embodiments of this application provide a communication method and apparatus. The apparatus includes a receiving module and a sending module. When the receiving module receives a user equipment UE capability query message sent by a network device, the sending module sends a first UE capability message (including a first UE capability specification) to the network device, and when determining that a network exception occurs, sends a second UE capability message (including a second UE capability specification that is lower than the first UE capability specification) to the network device. This helps implement mutual compatibility between the terminal device and the network device, thereby ensuring that a communication link can be quickly established between the terminal device and the network device. In this way, a user can normally use the terminal device, and the terminal device can keep using a high-standard network as much as possible, thereby improving user experience.

Abstract: A chip assembly for measuring an electrochemical reaction on a solid-liquid phase interface in situ, comprising a first electrode, a second electrode, a first insulating film, a second insulating film, a third insulating film, a fourth insulating film and an upper chip and a lower chip which are oppositely arranged and of which two sides are correspondingly combined in a sealing manner; a through hole is provided on the upper chip; the first insulating film under the through hole is provided with the first electrode; a groove opposite to the through hole is provided on the lower chip; and the fourth insulating film arranged at one side of the groove is provided with the second electrode. The chip assembly dispenses with a specially-made sample rod, thereby substantially reducing test cost; and meanwhile, a lattice structure of a first electrode is also beneficial for observing topography change of a to-be-tested sample.