55results about How to "Avoid blind detection" patented technology

The invention relates to a method for detecting the angular points of checkerboards under a complicated background, and belongs to the technical field of computer information image processing. The method comprises the following steps: firstly, down-sampling an image, then up-sampling the image, dividing the image into three passages RGB at the same time, detecting the regions respectively, extracting the border of the image by adopting Canny operator, and then dividing the image by adopting an adaptive threshold; approximating the rectangles in the image by adopting the Douglas-Peucker method so as to detect the rectangular regions in the image; obtaining the peak of each rectangle after detecting the rectangles, and clustering angular points of the same type; and statistically averaging the angular points of the same type, of which the amount is maximum in a neighbor range to detect the obtained angular points. The invention provides a method for detecting angular points on the basis of rectangles. The method which detects specific angular points by utilizing the symmetry and rectangular characteristic of the image of a checkerboard has the advantages of good real-time property and reliability.

The invention provides a blind detection method, a signal transmission method, a related device and a blind detection system. The method includes: receiving a target signal sent by a network-side device; and performing blind detection on a physical downlink control channel (PDCCH) or remaining in a sleep state during the PDCCH detection based on the target signal. By the blind detection method provided by the embodiment of the present invention, a user terminal can avoid the periodic blind detection of the PDCCH so as to be decreased in energy consumption.

The invention discloses a method applied to a wireless communication UE and a wireless communication base station, and a device. UE sends a first wireless signal in a first time-frequency resource and detects a first signal in a second time-frequency resource. The first time-frequency resource is automatically selected by the UE. A first parameter set comprises at least one of {a first identifier and a second identifier}. The first signal is used for determining a third identifier. The UE judges whether the first wireless signal is accurately received by the base station or not by comparing the third identifier with the second identifier. According to the method and the device, through design of the second identifier and the third identifier, the problem of how to know that the sent uplink data is accurately received, by the UE in scheduling-free uplink transmission is solved. Moreover, a relation is established between the first parameter set, and the first time-frequency resource and the second time-frequency resource, so the UE and the base station can obtain the uplink data and feedback corresponding to the uplink data on fixed resources, and the blind detection complexity is reduced.

The invention discloses an information transmission method of a random access process and a terminal. The method comprises the following steps: acquiring a preset mapping relationship between a physical uplink shared channel (PUSCH) resource and a physical random access channel (PRACH) resource; and sending a random access message on a random access resource according to the preset mapping relationship, the random access resource comprising a PUSCH resource and a PRACH resource. According to the invention, the processing complexity of the network equipment can be reduced in the process of initiating random access, and the success rate of access can be improved.

The invention discloses a downlink multi-user data transmission method in a wireless local area network (WLAN). The method comprises an access point (AP) sends a first radio frame; the first radio frame includes more than one site identifier and each site sends the resource indication information used by a subsequent second radio frame after the first radio frame; and the AP sends the second radio frame. The invention also discloses an AP and a downlink multi-user data transmission system in a WLAN.

The invention discloses HS-SCCH signaling and HS-SICH signaling of a TD-HSDPA MIMO system for avoiding a terminal carrying out blind detection for single-flow and double-flow HS-SCCH. The invention adopts the technical scheme that the transmission rate of the system can be effectively increased by introducing MIMO, the signaling comprises a single / double-flow identification information bit for identifying single flow and double flow, the lengths of the information bits of HS-SCCH of single-flow transmission and HS-SCCH of double-flow transmission are equal, and different modulation modes are indicated. The HS-SCCH signaling and the HS-SICH signaling of the TD-HSDPA MIMO system are applied in the field of mobile communication.

The invention provides a scheduling processing method and device, a storage medium and an electronic device. The scheduling processing method comprises the following steps: demodulating first user data according to detected first physical downlink control channel (PDCCH) information, and determining that a monitoring position of a second PDCCH still exists within the duration of demodulating the first user data; selecting one of the following behaviors for processing according to a predetermined strategy: receiving the first user data, and stopping blind detection of the second PDCCH; and blindly detecting the second PDCCH, and stopping receiving the first user data. According to the method and the device, the technical problem that detection is too complex due to blind detection of the PDCCH when the user data is demodulated in the prior art is solved.

Disclosed are a method and device for signaling configuration, sending or reception, the method for signaling configuration comprises: a base station configures the signaling describing the sub frame bearing the Synchronization Track Reference Signals (STRS) for a carrier wave, and the base station does not send the STRS and / or the Primary Synchronization Signal (PSS) / Secondary Synchronization Signal (SSS) in the carrier wave when the signaling configured is null, while the base station sends the PSS / SSS in the carrier wave in a predetermined manner and sends the STRS in the carrier wave according to the signaling configuration information when the signaling configured is not null; the base station sends the signaling to a User Equipment (UE); the UE receives the signaling sent by the base station, analyzes the signaling, and judges the PSS / SSS is not sent in the carrier wave when the signaling is null, or judges the PSS / SSS is sent in the carrier wave when the signaling is not null. By the present invention, the effect of saving the signaling cost and avoiding the UE blindly detecting the type of a new carrier wave or detecting whether the PSS / SSS and / or STRS is configured in the new carrier wave can be achieved.

The present invention relates to a method for setting the cyclic prefix parameter of a wireless signal framing. A minimum band width transmitted by a UE in diplex is determined first, next the reference CP length adopted by the transmitting interface of the UE is established, the CP lengths of the first symbol and the other symbols in a frame are set on the basis of the reference CP length, and then according to different conditions, the sampling points of each symbol in a frame are set. The present invention leads the reservation time of rising and dropping of the CP and the sampling points of the UE with different band width transmitted to be lined up under the same system. The set of the CP keeps relatively uniform in each frame. The parameter set out enables the capability of the multi-path Interference resistance in transmission of each symbol to be maximized. The method avoids the blind detection during the process of random access. When the sampling rate of the UE with different band width adopts a multiple relationship, each CP point under different band width adopt a multiple relationship in proportion, and thus the base band processing process is simplified, and the setting of the air interface is also simplified.

The method comprises: setting the reference CP length used by the UE transmission port; according to the reference CP length, setting the CP length between first symbol and other symbols in frame; according to different case, setting the sampling point number in each symbol. By the invention, in same system, the UEs with different bandwidths can be aligned during the reserved time of going up and falling down of CP and sampling point; the setting of CP can keep evenly in each frame; the set parameters can make the capacity of anti multipath interference of each symbol maximized. When making the random access, the method avoids the blind test. When the sampling rates of UEs with different bandwidths have multiple-time relation, the point numbers of each CP with different bandwidth also have same multiple-time relation so as to simplify the process of handling the baseband and also simplify the setting of air interface.

Provided are a PDCCH determination method and device, a synchronization signal detection and sending method and device, a storage medium, a terminal and a base station. The PDCCH determination methodcomprises the steps: detecting a synchronization signal sent by a network after awakening to re-implement network synchronization, the synchronization signal having a preset association relationship with a PDCCH monitoring opportunity; and determining the PDCCH monitoring time according to the preset association relationship, and detecting the PDCCH at the PDCCH monitoring time. Through the technical scheme of the invention, the UE can be effectively prevented from blindly detecting the PDCCH, and the power consumption is saved, and the blind detection complexity is reduced, and the user experience is improved.

The invention provides a mapping method, terminal equipment and network side equipment, and the method comprises the steps: transmitting a random access message according to a target mapping relationbetween a physical uplink shared channel transmission PUSCH resource and a synchronization signal block SSB related resource; wherein the target mapping relationship is determined according to a preset mapping rule. According to the mapping method provided by the invention, blind detection on transmission positions on all possible SSB related resources and PUSCH resources can be avoided, so that the processing complexity is reduced.

The invention provides a method for transmitting control information, a terminal device and a network device. The method includes the following steps that: a terminal device determines the bit lengthof downlink control information (DCI) according to the location of a target first time unit in a second time unit, wherein the DCI contains time-domain resource location information which is used to indicates at least one piece of information selected from the time-domain start location information of data transmission of DCI scheduling and the time-domain length information of a third time unit,the DCI is carried on the target first time unit, and the time-domain length of the third time unit is less than or equal to the time-domain length of the second time unit; and the terminal device receives DCI from a network device. With the method for transmitting the control information provided by the embodiments of the present invention adopted, the reduction of the bit redundancy of the downlink control information (DCI) can be facilitated; a condition that the terminal device blindly detects downlink control information of different bit lengths can be avoided; and the complexity of a receiver can be reduced.

The embodiment of the invention provides a fuzzy period length determination method, a terminal and network side equipment. The method comprises: a terminal determines a fuzzy period length, the fuzzyperiod length corresponds to a physical downlink control channel (PDCCH) processing time, or the fuzzy period length corresponding to a media access control unit (MAC CE) processing time; and the terminal determines whether to send an uplink signal at the current moment according to the received control message, and the difference between the receiving time of the control message and the currentmoment is greater than or equal to the length of the fuzzy period. According to the method of the invention, the communication performance of the wireless communication system can be improved, and unnecessary blind detection of network side equipment is avoided.

The invention discloses a single-antenna data transmitting method and a single-antenna transmitting device, which are used for solving the technical problems that the number of antennae needs to be subjected to blind test by a terminal or the system robustness cannot be improved by utilizing a diversity technology in the conventional single-antenna data transmitting method in a wireless communication system. According to the method and the device, symbols A+B and C+D are transmitted on two available resources including Rk and Rk+1 with continuous time domains and frequency domains, wherein the symbols A, B, C and D are selected from a data symbol set {+ / -Si, + / -Si+1} corresponding to the data symbol Si to be transmitted; and the four symbols inlcuding the A, the B, the C and the D, are in accordance with the condition of A.C*+B.D*=C.A*+D.B*=A.B*+C.D*=B.A*+D.C*=0. By adopting the single-antenna transmitting method provided by the invention, a receiving algorithm which is the same as the Alamouti coding transmission diversity scheme of two antennae can be used by the terminal, so that the blind test of the number of the antennae is avoided; the implementation complexity of the terminal is reduced; and the system access speed is improved.

The embodiment of the invention discloses a physical uplink control channel resource determination method and communication equipment, and the method comprises the steps: determining the reference bitnumber of CSI-part 2 according to a preset rule; according to the reference bit number, determining the sum of the reference bit number of the AN / SR and the reference bit number of the CSI, whereinthe CSI at least comprises CSI-part 1 and CSI-part 2; and determining a target PUCCH resource set according to the sum of the reference bit numbers. According to the embodiment of the invention, the PUCCH resource set used for transmitting the AN / SR and the CSI can be accurately determined, and the blind detection problem of the base station is effectively avoided.

The invention discloses a random access transmission method and a terminal. The method comprises the following steps: acquiring a sequence jump parameter of a demodulation reference signal DMRS of a physical uplink shared channel PUSCH; and sending a random access message according to the sequence jump parameter, the random access message corresponding to the PRACH and the PUSCH. Embodiments of the present invention, the invention discloses a random access method of a terminal. According to a sequence jump parameter of a DMRS of a PUSCH; according to the invention, the random access message issent according to the sequence jump parameter of the DMRS of the PUSCH, correspondingly, after the network equipment detects the lead code of the random access message, the random access message is demodulated according to the determined sequence jump parameter of the DMRS of the PUSCH, unnecessary blind detection is avoided, and the detection complexity of the network equipment is reduced.

The invention discloses a random access transmission method and a terminal. The method comprises the steps of acquiring a data scrambling parameter of a physical uplink shared channel (PUSCH); and sending a random access message according to the data scrambling parameter, wherein the random access message is corresponding to the PUSCH and a physical random access channel PRACH. According to the embodiment of the invention, in the random access process of the terminal, the random access message is sent on the random access resource according to the data scrambling parameter of the PUSCH. Accordingly, network equipment decodes the PUSCH on the random access resource according to the data scrambling parameter, thereby obtaining the corresponding random access message, improving the success rate of data detection, avoiding unnecessary blind detection, and reducing the detection complexity of the network equipment.

The present disclosure provides a method and a device in nodes for wireless communication. A first node receives a first signaling, and operates a first radio signal; the first field indicates time duration of a first time window in time domain; the first time window comprises K first-type time units; a type of multicarrier symbols comprised by any of the K first-type time units is one of a first type, a second type and a third type; the K first-type time units include K1 first-type time unit(s); the second field is used for determining K1 type indication set(s), the K1 type indicating set(s) is(are) respectively used for indicating a type of multicarrier symbols comprised by the K1 first-type time unit(s). The present disclosure designs to create a connection between a first field and a second field, thus simplifying the indication of a slot format on unlicensed spectrum.

A wireless communications method and device are provided. The method and device lower bit overheads and reduce the complexity of terminal processing in the sending of a synchronization signal (SS) block. The method includes determining that a first indication field in a physical broadcasting channel (PBCH) included in a first SS block is used to indicate a physical resource block (PRB) grid offset between channels or signals of an SS block and a non-SS block or indicate resource information of a second SS block. The method further includes sending the first SS block, wherein when it is determined that the first indication field is used to indicate the resource information of the second SS block, the first indication field in the first SS block indicates the resource information of the second SS block.

The embodiment of the invention discloses a wireless communication method and wireless communication equipment. The method comprises the following steps: receiving a target advance indication channel;and when the target advance indication channel indicates to perform PDCCH monitoring of a target physical downlink control channel, determining the format of the target PDCCH according to the targetadvance indication channel, the target PDCCH being a PDCCH related to the target advance indication channel. According to the method provided by the embodiment of the invention, the number of blind detection times of the terminal equipment on the PDCCH can be reduced, and the power consumption of the terminal equipment is reduced.

The embodiment of the invention provides a communication method and device of the cellular internet of things. The method is applied to an evolution base station, and the evolution base station is connected with user equipment; a wireless frame is sent to the user equipment, wherein a target location is arranged in the wireless frame, the target location is used for carrying an indication signal of the user equipment, and the indication signal represents that the control information of the user equipment is existent in the wireless frame. A user equipment terminal can detect whether the indication signal of the user equipment is provided at the target location in the wireless frame, and then decides to perform the blind detection or end this detection to continuously detect the target location of the next wireless frame; therefore, the blind detection is avoided when the control information of the user equipment is inexistent.

The invention discloses a random access transmission method and a terminal. The method comprises the steps of acquiring a demodulation reference signal DMRS sequence generation parameter of a physicaluplink shared channel PUSCH; and sending a random access message according to the DMRS sequence generation parameter, wherein the random access message corresponds to the PUSCH and the PRACH. In therandom access process of the terminal provided by the embodiment of the invention, the random access message is sent on the random access resource according to the DMRS sequence generation parameter of the PUSCH. Accordingly, network equipment demodulates the PUSCH on the random access resource according to the DMRS sequence generation parameter, thereby obtaining the corresponding random accessmessage, improving the success rate of data detection, avoiding unnecessary blind detection, and reducing the detection complexity of the network equipment.

The invention discloses a fast electrifying system for single board, comprising a system control module, a business application module, a chip driver module and a monitoring module, wherein the business application module is used for receiving electrical information sent by the system control module, sending chip detection information to the chip driver module; the chip driver module is used for detecting the chips after receiving the chip detection information sent by the business application module; the monitoring module is used for monitoring whether the chip detection of the chip driver module passes or not, and sending the detection information to the business application module, so that the business application module can update the chip detection information. By updating the chip detection information, if chip detection is failed, the system detects the failed chip detection items according to the updated chip detection information, rather than blindly detecting all failed chip detections, thus greatly reducing the time of chip detection, and improving the electrical speed of single board.

The application relates to a detection device and a detection method. The detection device is used to assist in detecting the installation accuracy of the assembly of the electronic device. The electronic device includes a housing and an assembly disposed on the housing, and the assembly has a reference mark. The detection device includes a base, a positioning component and a detection component. The positioning component is arranged on the base, and the positioning component is used for carrying the shell. The detection component is connected to the base; the detection component includes a support and a laser emitter. The support is connected between the base and the laser emitter, the laser emitter is arranged opposite to the positioning assembly, and is used to emit a laser beam to the housing and the assembly provided on the positioning assembly, and the laser beam is projected on the assembly to form an auxiliary Laser reference lines that determine the mounting position of the assembly relative to the housing. The detection device mentioned above can assist the staff to judge the installation status of the assembly parts according to the basis, avoid blind detection, thereby improve the detection accuracy and reduce the probability of outflow of defective products.

The present disclosure discloses a wireless communication method and apparatus. The method comprises: receiving a target advanced indicator channel; and when the target advanced indicator channel indicates performing monitoring of a target Physical Downlink Control Channel (PDCCH), determining the format of the target PDCCH according to the target advanced indicator channel, the target PDCCH being a PDCCH related to the target advanced indicator channel.

The embodiment of the present application discloses an information processing method and an information processing device, which can know in advance the specific time when the downlink control information is issued in the subsequent beam according to the previous beam, and then only when the downlink control information is detected by the previous beam The downlink control information is detected at the specific moment when the downlink control information is sent, so as to accurately control the detection of the downlink control information, avoid blind detection of the downlink control information, and save power. The method of the present application includes: performing beam scanning in a first time period, the first time period is the time period for scanning the first group of beams, and the first group of beams includes at least one beam; Whether the indication information is received on the beam, thereby determining whether the terminal needs to detect downlink control information, the first group of beams has the function of carrying indication information, and the indication information is used to indicate whether the terminal needs to detect downlink control information.

The invention discloses a single-antenna data transmitting method and a single-antenna transmitting device, which are used for solving the technical problems that the number of antennae needs to be subjected to blind test by a terminal or the system robustness cannot be improved by utilizing a diversity technology in the conventional single-antenna data transmitting method in a wireless communication system. According to the method and the device, symbols A+B and C+D are transmitted on two available resources including Rk and Rk+1 with continuous time domains and frequency domains, wherein the symbols A, B, C and D are selected from a data symbol set {+ / -Si, + / -Si+1} corresponding to the data symbol Si to be transmitted; and the four symbols inlcuding the A, the B, the C and the D, are in accordance with the condition of A.C*+B.D*=C.A*+D.B*=A.B*+C.D*=B.A*+D.C*=0. By adopting the single-antenna transmitting method provided by the invention, a receiving algorithm which is the same as the Alamouti coding transmission diversity scheme of two antennae can be used by the terminal, so that the blind test of the number of the antennae is avoided; the implementation complexity of the terminal is reduced; and the system access speed is improved.