32results about How to "Avoid reception errors" patented technology

The invention relates to a device and a method for measuring the size and the movement speed of bubbles in a concentrated phase gas-solid fluidized bed, belonging to devices and methods for measuring movement behaviors of bubbles. The device comprises a gas-solid fluidized bed, a diffuser chamber, an airflow distributing plate, a high-speed dynamic camera, a data signal display and a data acquisition output and storage device. A high-density magnetite powder medium solid is stood in a gas-solid fluidized bed body, compressed air is diffused to generate uniform and stable bubble flows in the fluidized bed, the high-speed dynamic camera arranged on the front part of the fluidized bed is regulated to capture movement images of the bubbles penetrating through some bed plane, image information is immediately displayed on the data signal display and is continuously transmitted to the data acquisition output and storage device, and then effective data of the size and the movement speed of the bubbles can be obtained after accurate calculation. The device and method have the advantages of simple structure, convenience for operation, easy control, high measurement precision, good reliability, capability of realizing accurate measurement and accurate prediction of the single bubbles in a stable gas-solid multi-phase flow, and wide application range.

The invention discloses a power headroom reporting method comprising steps that a MeNB and / or a SeNB receive / receives a first message sent from UE in a double-link network; when an index value of a main cell constraining the SeNB is equal to 1, the first message includes a maximum transmission power value of the UE in each active service cell, a first power headroom value of the UE in each active service cell, a second power headroom value of the UE in the main cell of the MeNB or the SeNB; according to the first message, the MeNB adjusts maximum uplink transmission resource quantity allocated to the UE. The method may acquire the power headroom values of all active service cells and the maximum transmission power of the active service cells from the first message reported by the same UE, prevents data receiving errors, and effectively guarantees resource scheduling.

The invention discloses an obtaining method for a power headroom and a macro eNB (MeNB). The method comprises: an MeNB sends a re-configuration message carrying a power headroom reporting parameter to UE, so that the UE reports power headroom information of all service cells according to the power headroom reporting parameter when a power headroom reporting condition is met; the MeNB receives an MAC PDU including the power headroom information, wherein the MAC PDU includes an MAC sub head and an MAC SDU, and a second bit value in the MAC sub head or a value of a main cell index indication area of an SeNB in the MAC SDU is obtained; and the MeNB obtains power headroom information of all service cells according to the second bit value of the MAC sub head or the value of the main cell index indication area of the SeNB in the MAC SDU. With the method, the MeNB and the SeNB can obtain power headroom values and maximum transmission powers of all service cells in the dual-connection network; a problem of a data receiving error can be solved; and the resource scheduling can be guaranteed effectively.

The method comprises: after cutting off the connection with the source cell, the terminal discards the invalid segmented data blocks; or after establishing a connection with the destination cell, both terminal and destination cell discards the invalid segmented data blocks in the switching process. The invention also reveals a system and a terminal thereof.

In a wireless receiving device, an AGC control unit (16) adjusts a variable gain of a receiving amplifier (2) for each frame of a received signal, and executes an AGC operation. The AGC control unit (16) determines the AGC operation end time and notifies the digital signal processing unit (15). A digital signal processing unit (15) performs predetermined signal processing on a digital signal obtained after the AGC operation is completed within a known signal interval. This prevents reception errors from occurring due to incorrect amplitude values ​​of digital signals based on AGC operations.

A method and device for transmitting wireless data in a communication system are disclosed in the present invention. Wherein, the method includes the steps of: staggering the common channels of a HeNB and an eNB in the frequency domain and / or time domain, processing the data transmission in the staggered common channels, thus the interference problem of the wireless data transmission between the HeNB and the eNB is resolved.

The present invention provides a wireless communication system characterized in that a mobile station comprises a PCH receiving section, a base station comprises incoming call information receiving seThe present invention provides a wireless communication system characterized in that a mobile station comprises a PCH receiving section, a base station comprises incoming call information receiving section; a PCH generation section generating PCH by using modulation mode based received incoming call information; and a PCH sending section, a center server comprises: a server storage section storingction; a PCH generation section generating PCH by using modulation mode based received incoming call information; and a PCH sending section, a center server comprises: a server storage section storinglisted recognition information of a recognition mobile station and function information of the mobile station; a server extract section extracting function information from the server storage section listed recognition information of a recognition mobile station and function information of the mobile station; a server extract section extracting function information from the server storage section based on recognition information of the base station when call request to the mobile station exists; and a server sending section sending incoming call information containing the recognition informatbased on recognition information of the base station when call request to the mobile station exists; and a server sending section sending incoming call information containing the recognition information and extracted function information to the base station; the function information representing modulation mode corresponding to the mobile station. Therefore, modulation mode of mobile station of aion and extracted function information to the base station; the function information representing modulation mode corresponding to the mobile station. Therefore, modulation mode of mobile station of acquiring call target position, based on which, PCH receiving errors caused by different modulation modes are prevented.cquiring call target position, based on which, PCH receiving errors caused by different modulation modes are prevented.

The invention discloses a power headroom reporting method comprising steps that a MeNB and / or a SeNB receive / receives a first message sent from UE in a double-link network; when an index value of a main cell constraining the SeNB is equal to 1, the first message includes a maximum transmission power value of the UE in each active service cell, a first power headroom value of the UE in each active service cell, a second power headroom value of the UE in the main cell of the MeNB or the SeNB; according to the first message, the MeNB adjusts maximum uplink transmission resource quantity allocated to the UE. The method may acquire the power headroom values of all active service cells and the maximum transmission power of the active service cells from the first message reported by the same UE, prevents data receiving errors, and effectively guarantees resource scheduling.

The present invention provides a bit recognition method, device, system and electronic equipment of an I2C bus, which can restore the SCL waveform and the SDA waveform through voltage sampling, and further calculate the unit duration of the SDA waveform transmission of one bit according to the baud rate of the I2C bus, And in the process of bit timing according to the unit time length, the timing result is calibrated by using the rising edge of the clock line of the SCL waveform, and the calibrated timing result is the basis or basis for dividing the SDA waveform. The present invention combines the baud rate of the I2C bus with the rising edge of the clock line of the SCL waveform for bit recognition, which can reduce or even avoid frame reception errors caused by external interference on the I2C bus, and greatly improve the accuracy of I2C bus reception and stability.

The invention discloses a wireless networking technology-based safety helmet and a data transmission method thereof, belonging to the field of wireless communication. According to the safety helmet, a wireless networking technology is applied to the safety helmet by means of network management modules, multi-user group calling is realized, and the requirements are better met. When the safety helmet is started, an address list capable of being communicated with the safety helmet is initialized, and illegal access of other users in the communication process is prevented, so that the safety of speech communication is ensured; and the phenomenon of data receiving errors caused by collision is prevented by means of a back-off mechanism in the data frame transmission, so that the address list for the safety helmet is successfully initialized.

The present invention provides a method for downlink resource allocation, which includes: a network side receives Time Slot 0 (TS0) bearer channel capability reported by a terminal, and allocates downlink resources for said terminal according to said TS0 bearer channel capability, wherein, if said terminal supports TS0 bearer channels, said network side allocates the downlink resources allocated in TS0 and / or not in TS0 for said terminal; if said terminal does not support TS0 bearer channels, said network side allocates the downlink resources allocated not in TS0 for said terminal. The present invention also provides a system for downlink resource allocation. By performing the resource allocation according to the terminal TS0 capability, the method and system of the present invention avoid the terminal data receiving error, influence little on the resource allocation process, and are easily achieved.

The invention relates to a main device for an Ethernet system, which contains a receiver, a register, a phase locked loop unit and a transmitter, wherein the receiver is used for generating phase adjustment data according to data transmitted by an assistant device, and the data transmitted by the assistant device contains the phase information of a recovery clock of the assistant device; the register is coupled to the receiver and is used for adding up the phase adjustment data so as to output a phase adjustment value; the phase locked loop unit is coupled to the register and is used for adjusting the phase of an output clock according to the phase adjustment value so as to enable the phase of the output clock and the phase of the recovery clock to maintain a fixed phase difference; and the transmitter is used for transmitting initial data to the assistant device according to the output clock when the main device is revived from a silent mode.

The invention discloses an uplink information generation method and a device thereof. The method comprises the following steps: receiving at least one first signaling, wherein a physical channel scheduled by the first signaling or a physical channel bearing the first signaling has no group information; determining a first transmission resource for transmitting first feedback information corresponding to the first signaling; and the terminal device generating a first feedback information codebook, wherein the first feedback information codebook comprises the first feedback information and second feedback information, the second feedback information being feedback information corresponding to a target group indicated by a second signaling, and a transmission resource of the second feedback information being overlapped with the first transmission resource. According to the method and the device, the normal data transmission function can be ensured to be maintained when the terminal equipment and the network equipment must use the ungrouped information in a packet-based feedback mode on the premise of not modifying the ungrouped information.

An apparatus and method for transmitting multimedia objects in DMB is disclosed to reduce transfer delays and transfer errors during a multimedia object transfer by using a multimedia object transfer protocol in the digital multimedia broadcasting. The method for transmitting multimedia objects comprises; scheduling to-be-transmitted multimedia objects based on a pre-set number of iterative transfer times in such a manner that no identical multimedia objects are consecutively transmitted; inserting the scheduled multimedia objects into a transfer queues; and transmitting the transport queue-inserted multimedia objects to a Digital Multimedia Broadcasting receiving terminal via a multimedia object transfer protocol. As a result, transmission errors that occur during transmission of the multimedia objects to the digital multimedia broadcasting receiving termial using the multimedia object transfer protocol can be prevented.

The invention discloses a power headroom report method and a macro base station. The method comprises that the macro base station and / or a micro base station receives a first message from UE in the dual-connection network, and when the index value of a main cell of the micro base station is not limited, the first message comprises the maximal transmission power value of the UE in each activated service cell, the first power headroom of the UE in each activated service cell and the second power headroom of the UE in the main cells of the macro and micro base stations; and according to the first message, the macro and micro base station adjusts the maximal amount of uplink transmission resources distributed to the UE. According to the method, the power headroom and the maximal transmission power of each activated service cell can be obtained from the first message reported by the same UE, the problem of data reception error is solved, and resource scheduling is effectively ensured.

The invention provides a realization method and a device for shielding DTMF (dual-tone multifrequency) voice, namely, out-of-band multi-tone multi-frequency voice of an external phone; wherein, the method comprises the following steps: step A: key events of the external phone is detected in a real time manner; step B. whether a current phone is in a connected state is judged, and if the answer isyes, the analog voice signals collected by the telephone are modulated into voice pulses modulated PCM data flows, intercepted and pressed in a cache; after delaying a preset time, relevant PCM data flow is sent; step C. after the key events of the phone are detected, a non-key tone data frame is adopted to replace the data frame of the cache of the delaying preset time; a protocol stack is triggered, and a DTMF signaling is generated by the protocol stack and is sent to a network side; an out-of-band DTMF event transmission can be realized by sending the DTMF signaling. On the basis of not increasing a processing chip, a device and cost, the method and the device of the invention can effectively remove the second dialing sound of DTMF of the external telephone.

In the radio receiving device, the digital output signal of the quadrature detector (4) is downsampled by a sampling frequency converter (15) and supplied to a band limiting filter (6). The symbol timing deviation detection circuit (18) detects the magnitude of the sampling timing deviation in the sampling frequency converter (15) based on the correlation value obtained from the output of the band limiting filter (6) by the symbol timing detection circuit (17) and direction, and adjust the sampling timing in the sampling frequency converter (15). Thus, correctly timed symbol points are extracted.

Provided is an antenna-switchable reception system that switches a plurality of antennae and receives a wireless signal. In the antenna-switchable reception system, the quality of a wireless signal received while switching the antenna at a predetermined cycle is compared, and the antenna that receives the payload is selected.