Abstract: Embodiments of the present disclosure relate to methods, devices, a computer readable storage medium and a computer program product for processing or managing a blockchain transaction. In a method for processing a blockchain transaction, a blockchain node of a blockchain for processing the blockchain transaction receives a transaction request, the transaction request indicating at least a initiator of the transaction, transaction content and a transaction recipient of the transaction. The blockchain node computes, based on the transaction content, a transaction fee for processing the transaction. The blockchain node determines whether the initiator of the transaction is a sponsored user of the transaction recipient, and determines a payment account from which the transaction fee is deducted in response to determining that the initiator of the transaction is a sponsored user of the transaction recipient.

Abstract: Embodiments of the present disclosure relate to a method, a device, a computer readable storage medium and a computer program product for transaction processing on a blockchain. In the method, the blockchain node for processing a transaction receives a transaction request including a plurality of fields, the plurality of fields including a transaction task field including a plurality of clauses and each clause of the plurality of clauses indicating one of a plurality of tasks of the transaction. The blockchain node processes the plurality of tasks and determines that the transaction is successfully processed only in response to successfully processing all the plurality of tasks. The transaction processing as provided in the present disclosure enables multiple tasks to be processed through a single transaction procedure on the blockchain in an efficient way.

Abstract: Methods, devices, block chain nodes, computer readable media and a system for carbon recording and trading based on a block chain. A method for carbon recording and trading based on a block chain includes: obtaining data related to carbon behaviors of a plurality of objects; converting the data related to the carbon behaviors of the plurality of objects to corresponding carbon data of the plurality of objects, respectively; transmitting the carbon data to a block chain platform for storage; performing, based on the carbon data, a carbon trading between two objects in the plurality of objects or one object in the plurality of objects and a third party object not belonging to the plurality of objects; and distributing the carbon trading to the block chain platform as a block chain transaction.

Abstract: The embodiments of the present disclosure provide methods, an application server, a user device and storage media for implementing trust IoT services based on a block chain. The application sewer includes a memory and a processor, the memory being stored with machine executable instructions that, when executed by the processor, cause the application server to perform operations including: determining a uniform device identifier specification for a plurality of IoT devices, wherein the plurality of IoT devices are provided by at least one provider; determining a unique identifier for each IoT device of the plurality of IoT devices, the unique identifier conforming to the uniform device identifier specification and the unique identifier being a public key in a pair of public key and private key of the IoT device; and registering the unique identifier of the IoT device with a block chain platform.

Abstract: Embodiments of the present disclosure provide methods, an application server, a block chain node and storage medium for logistics tracking and source tracing of an object. The application server includes a memory and a processor, the memory being stored with machine executable instructions that, when executed by the processor, cause the application server to perform operations including: receiving a storage request from at least one node during a logistics process of the object; performing a hash operation on the information to obtain a hash value of the information; sending the hash value of the information and the information to a distributed database for storage; and sending the unique identification number of the object and the hash value of the information to a block chain platform for storage.

Abstract: Disclosed are a multi-dimensional segmentation method and apparatus for a 5G-oriented protocol stack, and a terminal. The method comprises: segmenting an MAC layer in a protocol stack, and putting HARQ entities of a physical layer and the MAC layer together in a pre-set physical resource for processing; and moving a relevant partial module of the physical layer to an FPGA for processing according to a calculation amount and functional requirements. The hardware configuration requirements are reduced on the basis of guaranteeing the performance.

Abstract: Disclosed are a multi-dimensional segmentation method and apparatus for a 5G-oriented protocol stack, and a terminal. The method comprises: segmenting an MAC layer in a protocol stack, and putting HARQ entities of a physical layer and the MAC layer together in a pre-set physical resource for processing; and moving a relevant partial module of the physical layer to an FPGA for processing according to a calculation amount and functional requirements. The hardware configuration requirements are reduced on the basis of guaranteeing the performance.

Abstract: The present disclosure includes IoT devices, block chain platforms, and IoT systems for recording transportation data of an object and methods of using the same. In some examples, IoT devices are one time programmed with a private key in a manufacturing process of the IoT device. In some examples, IoT devices may include at least one sensor configured to detect external environment data of an object during transportation of the object; and a processor configured to receive the data from the sensor and generate a data packet based on the data using a private key, the data packet including a unique identification number of the IoT device, the data and a signature generated according to the unique identification number and the data.

Abstract: The present disclosure generally relates to the technical field of mobile apparatuses, and discloses a method and a device for an earphone and a USB to share a Micro-USB interface. The method comprises the following steps of: A. detecting whether USB lines or earphone lines are plugged into the Micro-USB interface and generating a corresponding control signal to a control module by an interface detecting module; and B. selecting to activate a USB task or turn on an audio path according to the control signal by the control module. The present disclosure allows the earphone function and the USB function to be achieved through a single Micro-USB interface (i.e., the battery charger, the data lines and the earphone function are integrated together), and can be implemented in a simple structure and at a low cost.

Abstract: The present disclosure provides a mobile terminal, which comprises a charging port, a power management unit (PMU), a battery, and a charging surge protection circuit disposed between the charging port and the PMU. The charging surge protection circuit comprises a low-pass filtering circuit, a switch control circuit, a diode and a first resistor. The low-pass filtering circuit has an input terminal connected to an output terminal of the charging port, and an output terminal connected to a first input terminal of the PMU. The switch control circuit has a first input terminal connected to the low-pass filtering circuit, a second input terminal connected to an output terminal of the PMU, and an output terminal connected to the first resistor via the diode. The first resistor is connected to an anode of the battery, and a cathode of the battery is grounded.

Abstract: A mobile terminal using a common antenna to perform an NFC function and an FM-TX function is provided. The mobile terminal includes a baseband chip, an NFC chip, an FM chip, and an antenna. The NFC chip and the FM chip are connected to the baseband chip. The mobile terminal also comprises a selecting unit connected to the baseband chip, the NFC chip, the FM chip, and the antenna, for conducting the NFC chip and the antenna or conducting the FM chip and the antenna based on a control of the baseband chip. The mobile terminal proposes a single antenna for performing the NFC function and the FM-TX function. A passage between corresponding functions is conducted through the selecting unit. It is unnecessary to use an additional antenna inside the mobile terminal. Thus, the mobile terminal has more spacious capacity, and the cost of the mobile terminal is reduced.

Abstract: A mobile terminal and a decoding method thereof are disclosed. The decoding method comprises: capturing an image of a target barcode; invoking built-in decoding software to decode the target barcode; determining whether the decoding is successful, wherein if the decoding is successful, then barcode information of the target barcode is displayed and the process ends; and otherwise, if the decoding is unsuccessful, then the target barcode is sent to a decoding server; receiving barcode information obtained by the decoding server through decoding the target barcode; and displaying the barcode information of the target barcode. In this way, the present disclosure can decode various types of barcodes quickly and effectively so that the user can be informed of the barcode information of the various types of barcodes quickly and accurately.

Abstract: The present disclosure relates to the technical field of mobile terminals, and discloses a mobile terminal and a volume adjusting method and device thereof. The volume adjusting method comprises the following steps of: acquiring a noise pressure signal from surroundings of the mobile terminal; comparing a volume value corresponding to the acquired noise pressure signal with a volume control value currently set in the mobile terminal; adjusting the volume control value of the mobile terminal according to the comparison result; and controlling a volume level of the mobile terminal according to the volume control value that has been adjusted.

Abstract: A mobile terminal and a decoding method thereof are disclosed. The decoding method comprises: capturing an image of a target barcode; invoking built-in decoding software to decode the target barcode; determining whether the decoding is successful, wherein if the decoding is successful, then barcode information of the target barcode is displayed and the process ends; and otherwise, if the decoding is unsuccessful, then the target barcode is sent to a decoding server; receiving barcode information obtained by the decoding server through decoding the target barcode; and displaying the barcode information of the target barcode. In this way, the present disclosure can decode various types of barcodes quickly and effectively so that the user can be informed of the barcode information of the various types of barcodes quickly and accurately.

Abstract: A system and method for tracking a stolen communication terminal and a communication terminal provide tracking of a thief. The system comprises: a communication terminal and a standby server for receiving theft tracking information; the communication terminal comprises: a radio frequency module, a camera for taking pictures, a storage module for storing data, a baseband module for setting anti-theft protection information, and a GPS module for obtaining current positioning information; wherein the radio frequency module, the camera, the storage module and the GPS module are connected with the baseband module. When the communication terminal is stolen, facial pictures of the thief obtained by the camera and current positioning information of the communication terminal obtained by the GPS module are sent to a standby server.

Abstract: A mobile terminal using a common antenna to perform an NFC function and an FM-TX function is provided. The mobile terminal includes a baseband chip, an NFC chip, an FM chip, and an antenna. The NFC chip and the FM chip are connected to the baseband chip. The mobile terminal also comprises a selecting unit connected to the baseband chip, the NFC chip, the FM chip, and the antenna, for conducting the NFC chip and the antenna or conducting the FM chip and the antenna based on a control of the baseband chip. The mobile terminal proposes a single antenna for performing the NFC function and the FM-TX function. A passage between corresponding functions is conducted through the selecting unit. It is unnecessary to use an additional antenna inside the mobile terminal. Thus, the mobile terminal has more spacious capacity, and the cost of the mobile terminal is reduced.

Abstract: The present invention relates to the field of mobile terminal technology and describes a calibration device for a mobile terminal and an ADC module thereof, the ADC module being disposed inside a baseband chip. The calibration device includes a bandgap voltage reference inside the mobile terminal platform for generating a reference voltage; the device further includes a circuit for connecting the bandgap voltage reference, the circuit being connected with the ADC module for providing the reference voltage generated by the bandgap voltage reference to the ADC module. The present invention uses a bandgap voltage reference inside a mobile terminal platform to provide voltage to an ADC module, which, during the ADC module calibration, does not require an external reference voltage source to perform the ADC calibration, and therefore greatly reduces calibration errors and improves calibration efficiency.

Abstract: The present disclosure provides a mobile terminal, which comprises a charging port, a power management unit (PMU), a battery, and a charging surge protection circuit disposed between the charging port and the PMU. The charging surge protection circuit comprises a low-pass filtering circuit, a switch control circuit, a diode and a first resistor. The low-pass filtering circuit has an input terminal connected to an output terminal of the charging port, and an output terminal connected to a first input terminal of the PMU. The switch control circuit has a first input terminal connected to the low-pass filtering circuit, a second input terminal connected to an output terminal of the PMU, and an output terminal connected to the first resistor via the diode. The first resistor is connected to an anode of the battery, and a cathode of the battery is grounded.

Abstract: The present disclosure generally relates to the technical field of mobile apparatuses, and discloses a method and a device for an earphone and a USB to share a Micro-USB interface. The method comprises the following steps of: A. detecting whether USB lines or earphone lines are plugged into the Micro-USB interface and generating a corresponding control signal to a control module by an interface detecting module; and B. selecting to activate a USB task or turn on an audio path according to the control signal by the control module. The present disclosure allows the earphone function and the USB function to be achieved through a single Micro-USB interface (i.e., the battery charger, the data lines and the earphone function are integrated together), and can be implemented in a simple structure and at a low cost.

Abstract: A system and method for tracking a stolen communication terminal and a communication terminal provide tracking of a thief. The system comprises: a communication terminal and a standby server for receiving theft tracking information; the communication terminal comprises: a radio frequency module, a camera for taking pictures, a storage module for storing data, a baseband module for setting anti-theft protection information, and a GPS module for obtaining current positioning information; wherein the radio frequency module, the camera, the storage module and the GPS module are connected with the baseband module. When the communication terminal is stolen, facial pictures of the thief obtained by the camera and current positioning information of the communication terminal obtained by the GPS module are sent to a standby server.