67results about How to "Improve reception success rate" patented technology

The invention discloses an NFV service chain mapping method for cost and QoS, which belongs to the technical field of networks. The method comprises the following steps: establishing a service chain mapping model oriented to service quality assurance and cost optimization, and setting a comprehensive optimization target of the service chain mapping model by the service chain mapping model by taking a service quality demand and a resource demand as limiting conditions; solving the service chain mapping model by using a greedy algorithm GA + LCB. According to the invention, on the premise of guaranteeing the basic service quality requirement and resource requirement of the user for the service, the service chain can reasonably and effectively schedule and allocate limited network resources,the deployment overhead of an operator is reduced, the request receiving rate is improved, and higher deployment income is obtained.

The embodiment of the invention discloses a control information sending method, a base station, user equipment and a control information sending system. The method comprises the steps of determining control information of at least one piece of user equipment in N pieces of user equipment scheduled by a current sub-frame, wherein N is a positive integer; determining a first time frequency position and a second time frequency position occupied by the control information; and sending the control information of the first time frequency position to the at least one piece of user equipment by using a first type of beams, and sending the control information of the second time frequency position to the at least one piece of user equipment by using a second type of beams. With the application of the method provided by the invention, a successful receiving rate of a control channel can be improved, received signal quality of the control channel can be enhanced, and an error rate of the control channel can be reduced.

The embodiment of the invention provides a time slot distribution method and device for sending business information with low time delay and high frequency when dealing with assigned business, and increasing the receiving success rate of the business. The method comprises: determining the receiving time and the type of the business of a specific data packet; when the type of the business is the type of the assigned business, determining the time interval of the receiving time of the data packet of the type of the business and sending the time delay requirements of the data packet of the type of the business; in accordance with the receiving time, the time interval and the time delay requirements, sending a data packet corresponding to the type of the business.

The invention relates to a dual-primary-system protection method for a rail transit signal system. The invention provides a signal control system. The signal control system comprises a plurality of subsystems forming hot backup redundancy and at least two communication lines which enable each of the plurality of subsystems to be interconnected in a communication mode, wherein the plurality of subsystems are configured to implement the dual-primary-system protection method. The dual-primary-system protection method comprises the steps that one of the plurality of subsystems is determined to be a primary subsystem, and the rest of the subsystems are determined to be backup subsystems; each subsystem sends state information thereof to the other subsystems on each communication line within a software cycle; the backup subsystems respectively judge whether the primary subsystem stays at an expected state or not based on the state information of each communication line; and the backup subsystem is upgraded into the primary subsystem in response that the primary subsystem is judged to stay at a non-expected state based on each communication line.

The invention discloses a general message application method or a system that a called party receives and displays pushing information of a call party before the called party is in voice communication, mainly comprising a call initiator terminal, an initiator access network, a service platform, a receiving party radio communication network and a receiving party terminal. The call initiator sends request message carrying special service identity to the receiving party via a plurality of terminals and in a plurality of modes and can initially push various messages. Various access network of the initiator route message to a professional service platform firstly according to the identity. The service platform indexes customer information and conducts matching according to the information preset by the customer, if the matching is successful, the service platform picks up the preset information and pushes the preset information to the radio communication network of the receiving party which further pushes the information to a terminal device of the customer at the receiving end. The invention is mainly applied that when the mobile terminal is used to call a called party, the name of company, the name of the mobile terminal, the picture and other related information; media information; the cell text information received after the hand phone user enters an area are displayed on the screen of the called party.

The embodiment of the invention provides a resource indication method, a resource determination method and device. According to the embodiments of the present invention, a plurality of PDSCHs can be simply and clearly indicated to a terminal to feed back HARQ-ACK information on a single PUCCH resource. Besides, according to the embodiment of the invention, the same group of PDCCHs have the same PUCCH resource indication information, or at least two PUCCH resources are reserved for the terminal, so that the receiving success rate of the network side equipment on the ACK / NACK information can beimproved, and the working stability of the system is improved.

The invention provides a method for reliably transmitting Beidou short messages. The method is used for a terminal A to transmit short messages to a terminal B; a satellite is contained; the method comprises the following steps: when the Beidou short messages are transmitted, accessing to a Beidou RD control center as a transfer forwarding station; carrying out logic judgment and secondary processing to the short message data by the Beidou RD control center; and then transmitting the short messages, thus reliably transmitting the Beidou short messages. According to the method provided by the invention, the communication success rate of the Beidou short messages is improved; effective feedback mechanism, retransmission mechanism and short message obtaining mechanism are added; according to the method, the transmitted data can be effectively stored at the Beidou RD control center; the Beidou short messages are transmitted and received reliably through taking the Beidou RD control center as the transfer forwarding station; the transmission success rate of the Beidou short messages can be improved greatly; and therefore, the transmission validity, reliability and stability of the Beidou short messages are improved.

The invention discloses an Internet-of-vehicles backoff method and a device based on a sender packet loss distinguishing mechanism, and the method comprises the steps: dynamically adjusting an observation interval according to the speed of a vehicle, so as to enable the observation interval to be inversely proportional to the speed of the vehicle, and taking an average value of the observation interval at this time and the observation interval at the last time as the number of surrounding nodes; firstly, constructing a collision probability prediction model and a weak signal packet loss probability model under an error channel, and then calculating a collision packet loss probability and a weak signal packet loss probability; connecting points with equal collision packet loss probability and weak signal packet loss probability into a packet loss distinguishing curve, comparing coordinate points representing the number of surrounding nodes and the signal-to-noise ratio when the previousframe of data is sent with the packet loss distinguishing curve, and distinguishing the packet loss type of the previous frame of data; and sending the data according to the packet loss type of the previous frame of data. The packet loss judgment accuracy is high, the throughput is improved, the network delay is reduced, the channel stability is ensured, and the method is suitable for scenes withdifferent vehicle densities.

The invention discloses a single-hop cooperative broadcasting method for a safety message of Internet of Vehicles based on a hidden Markov model, and belongs to the field of Internet of Vehicles. A receiving success rate of collaborative rebroadcasting is further improved by improving the prediction accuracy of an initialized broadcasting result. The method comprises the following steps of firstly, predicting a channel state by utilizing a received power sequence; secondly, carrying out initialized broadcasting; thirdly, selecting an optimal cooperative node according to an overlap ratio of the transmission range of each alternative node and a predicted failure node set; and finally, carrying out collaborative rebroadcasting, and making the selected cooperative node and a source node retransmit a data packet in a time slot of the source node. The hidden Markov model is introduced into the cooperative broadcasting method, so that the prediction accuracy of the initialized broadcasting result is improved, and thus the more targeted cooperative node can be selected for cooperative rebroadcasting, and the receiving success rate can be further improved.

The embodiment of the invention discloses a group communication method for converged communication, a server and a computer storage medium. The group communication method for converged communication is applied to the server and comprises the steps of: receiving a first message sent by a first group member of a converged communication group, wherein the first message is a message sent to a second group member in the converged communication group by the first group member, and the second group member is one or more other group members in the converged communication group besides the first group member; determining a connection state of a client of the second group member and the server; and selecting a communication mode corresponding to the connection state, and sending a message corresponding to the first message to the second group member.

The invention discloses a channel scanning method, channel scanning device, a storage medium and a terminal. The channel scanning method comprises the following steps: when scanning the current channel, within a time interval where the current channel sends a detection request frame, determining whether to prolong minimum channel dwell time of the current channel; if prolonging is determined, updating the minimum channel dwell time of the current channel, otherwise, maintaining the minimum channel dwell time of the current channel to be constant; on the current channel, competing for a right to use the channel based on CSMA, when the right to use the channel is obtained, sending the detection request frame, and starting a minimum channel swell time timer, wherein timing time of the minimumchannel swell time timer is set based on the minimum channel dwell time. Through the method, the device, the storage medium and the terminal provided by the embodiment of the invention, channel scanning can be optimized, and channel scanning efficiency is improved.

The invention discloses a resource allocation and transmission method of MsgA in two-step random access. The resource allocation and transmission method comprises the following steps: 1, uniformly grouping preambles under each RO at equal intervals; 2, time-frequency domain resources of one or more POs corresponding to the RO are divided according to time domains to form L PUSCH resource sets withcontinuous time domains, and each PUSCH resource set with continuous time domains comprises a plurality of PRUs; 3, after the UE selects to send a certain preamble on the RO, repeatedly sending the MsgA payload for L times on the PRU of the L PUSCH resource sets corresponding to the PO; 4, correspondingly mapping a group of preambles to a PRU of a PUSCH resource set when the MsgA payload is senteach time; and 5, when the MsgA payload is repeatedly sent, a different mapping relationship from preamble to PRU is adopted for each sending. According to the method provided by the invention, a many-to-one mapping method from RACH preamble to PUSCH resources is designed; according to the resource mapping method and the PUSCH payload repeated transmission scheme combined with the resource mappingmethod, the PUSCH resource utilization efficiency is improved, and the PUSCH receiving success probability is increased.

The invention discloses a method for optimizing a transmission relay node of a vehicular network emergency security message. The method comprises the steps of: constructing a neighbor set belonging to any one vehicular node by periodically broadcasting a HELLO message; adding neighbor nodes by judging whether a new HELLO message is added; obtaining relay weights by processing expected transmission distances, expected transmission times, expected transmission speeds of the neighbor nodes and combining with probability weights of an emergency security message received by the vehicular nodes; and finally selecting neighbor nodes corresponding to the first three relay weights to forward the emergency security message. The method for optimizing the transmission relay node of the vehicular network emergency security message solves a problem of vehicular network broadcast "broadcast storm" under a city environment, and can broadcast the emergency security message as soon as possible.

The invention discloses a multimedia message bill generation and transfer method which aims at helping customers to generate electronic bill files and implementing the automatic generation of the bill files through the configuration of the current bill template and regularly collected user bill data in a placeholder replacement calculation mode. According to the multimedia message bill generation and transfer method, users can be helped to transfer the bill files to mobile phone terminals of the customers and accordingly the receiving success rate of the users and the reading rate of the bill files are improved; meanwhile a method for obtaining historical bills and unsubscribing the bill receiving is configured for the users and accordingly the flexibility of the bill receiving of the users is increased; the cost of interface abutting joint with the existing customer system is low and the existing customer system only needs to provide detailed bill data in a text file or database record mode to achieve the generation and transfer of the bills; the cost of the traditional paper bills is saved and a large quantity of paper consumption resources are reduced due to the paperless multimedia message bill transfer; meanwhile the investment of a large quantity of logistics resources and the pressure on the urban traffic are reduced.

The present invention provides an electronic timepiece and a method of controlling the electronic timepiece. The electronic timepiece has a GPS receiver, an outdoor detection device, a timekeeping device, a control device, and a storage device. The control device has an automatic reception control unit that starts reception control when the time kept by the timekeeping device reaches the reception control start time stored in the storage device, and stops reception control until the next reception control start time when a stop reception control condition is met; and a time correction unit that corrects the time kept by the timekeeping device based on time information contained in the satellite signal when satellite signal reception is successful. The automatic reception control unit includes an outdoor reception control unit that executes an outdoor reception process when the outdoor detection device detects outdoor conditions, and a scheduled reception control unit that executes a scheduled reception process when the time kept by the timekeeping device goes to the scheduled reception time.

The invention provides a variable time sliding window calculation method. The variable time sliding window refers to a first in first out queue in the computer memory, and the queue is stored in a variable time period; a message received from a receiving station defines three timers on a central station server, namely Slidewin-Timer, DBsync-Timer, and Logsync-Timer; by controlling the triggering mode of the three timers, the problems such as data fusion, data de-duplication, and big data batch reading and writing caused by multi-point reception and the like are solved.

The invention discloses a method of retransmitting data in a a mobile communication system, a transmitter and a receiver. A communication method according to an automatic repeat request scheme in a mobile communication system includes transmitting a retransmission packet per certain time period (periodically) in response to NACK of a first user equipment related to a first packet transmitted within a frame group consisting of a plurality of successive frames, and transmitting a retransmission packet non-periodically in response to NACK of a second user equipment related to a second packet transmitted within the frame group.

Provided are a method and a device for determining a PDSCH reception beam, a storage medium, and a terminal. The method comprises: receiving one or more PDCCHs and determining a PDSCH to be received,the PDSCH being repeatedly scheduled by the one or more PDCCHs; determining the duration from the last symbol of the PDCCH for scheduling the PDSCH to the first symbol of the PDSCH; if the duration isless than the preset duration, receiving the PDSCH by adopting a first receiving beam; if the duration is greater than or equal to the preset duration, receiving the PDSCH by adopting a second receiving beam; wherein the first receiving wave beam is the same as or different from the second receiving wave beam. According to the method, the terminal can judge the transceiving beam adopted by each PDSCH, and the consistency and accuracy of understanding the PDSCH transceiving beams by the base station and the terminal are ensured, so that the PDSCH receiving success rate is improved.

The invention discloses a mapping method of logical channels and media access control (MAC) flow. The method comprises the following steps: a radio network controller (RNC) informs user equipment (UE) of the corresponding relation between a common control channel (CCCH) and the MAC flow of an enhanced dedicated channel (E-DCH) through signaling; and the UE receives the signaling, and acquires the corresponding relation between the CCCH and the MAC flow of the E-DCH. The invention further discloses a mapping system of the logical channels and the MAC flow. By utilizing the method and the system disclosed by the invention, NodeB and the UE can accurately learn the corresponding relation between the CCCH and the MAC flow of the E-DCH so as to ensure that the NodeB can correctly decode and improve the success rate for receiving the signaling and data.

The invention relates to an electronic timepiece and a satellite signal receiving method of the electronic timepiece. A receiving control portion of the electronic timepiece comprises a satellite capture control portion, a receiving state judging portion, a receiving stop control portion and a storage control portion. The satellite capture control portion is a control portion that controls a GPS receiving circuit during receiving treatment, sets a threshold value of a received signal level and searches and captures position information satellites. The satellite capture control portion sets the position information satellites with satellite numbers stored in a satellite number storage portion as priority search satellites and searches the satellites in priority to other position information satellites. The receiving state judging portion judges whether the number of the position information satellites captured by the satellite capture control portion exceeds a specified number when the search for the priority search satellites with the threshold value of the received signal level set as the specified value is over. The receiving stop control portion enables the GPS receiving circuit to stop receiving satellite signals when it is determined that the number of the position information satellites is less than the specified number. The storage control portion storages the satellite numbers of the position information satellites captured during receiving treatment in the satellite number storage portion.

Embodiments of the present disclosure relate to an information transmission method and apparatus, a communication device, and a storage medium, and send downlink control information (DCI) carrying anenhanced control indication, the enhanced control indication comprising: for an enhanced control parameter of random access of a first type of user equipment (UE) having a first reception capability,sending the enhanced control parameter to a second type of UE having a second reception capability; wherein the enhanced control parameter is used for enhancing message transmission in a random accessprocess for the first type of UE.

The embodiment of the invention discloses an information transmission method. The method comprises the following steps: determining a second short message according to a first short message sent by asender, and saving the second short message, wherein the second short message comprises at least two short messages, and each of at least two short messages carries a split code ID; sending the secondshort message to a receiver; sending the short message unreceived by the receiver in the second short message to the receiver in response to the a request message if the request message sent by the receiver is received in the preset time, wherein the request message carries the split code ID of the short message unreceived by the receiver in the second short message. The embodiment of the invention discloses a short message center, a terminal and a computer readable storage medium, thereby guaranteeing the terminal to receive the complete short message, and the receiving success rate of the short message is improved.

The invention relates to a communication method and device. The communication method comprises the steps that a first network device determines a first parameter for a first multicast service; and thefirst network device sends the first parameter to network devices corresponding to at least two cells, the at least two cells being associated with the first multicast service, and the first parameter indicating a resource for transmitting the first multicast service. Because the same parameters are used for the same service, terminal equipment located at the edge of the cell is not limited to only receive the multicast service of the cell, but also can receive the same multicast service sent by other cells, and the receiving success rate of the terminal equipment can be improved. The same multicast service sent by other cells is not an interference signal for the terminal equipment any more, so that the receiving quality of the terminal equipment is improved.

The invention provides a power control method of a physical sidelink feedback channel and a terminal, and relates to the technical field of communication. The power control method of the physical sidelink feedback channel comprises the following steps: acquiring a first distance between a receiving terminal and a sending terminal; and determining the sending power of the receiving terminal in a physical sidelink feedback channel (PSFCH) according to the first distance. According to the scheme, the sending power of each receiving terminal on the PSFCH is determined based on the distance betweenthe receiving terminal and the sending terminal, and the sending terminal is ensured to receive the feedback information of each receiving terminal on the PSFCH at the similar power, so that the interference and IBE interference between UE are reduced, and the receiving success rate of the feedback information is improved.

The embodiment of the invention provides a paging processing method and device, equipment and a storage medium. The method comprises the following steps: receiving a radio resource control (RRC) release message from network equipment; under the condition that the RRC release message does not carry redirection instruction of an inter-system, acquiring a first paging moment of a paging period wherethe first moment is located, setting the first moment to be the moment when the RRC release message is received; determining whether the first paging moment is after the first moment; if so, releasingthe RRC connection according to the first moment and the first paging moment; and if not, acquiring the second paging moment of a next paging period, and releasing the RRC connection according to thefirst moment and the second paging moment. And if the first paging moment is after the first moment, the first paging moment is used as a consideration factor, and if the first paging moment is before the first moment, the second paging moment is used as a consideration factor, so that the operation of releasing the RRC connection at the paging moment is avoided, and the receiving success rate ofthe paging message is improved.

The invention provides a self-adaptive media access control method for car networking. The method comprises the steps that a road is intelligently segmented to form multiple road segments; segment head selection is carried out on each road segment; a self-adaptive time slot allocation plan is determined according to the car density on a road. The network capacity is increased, network congestion is lowered, information transmission delay is lowered, the information receiving success rate is improved, and real-time reliable transmission of safe information is achieved.

The invention discloses a bit error-based low-speed wireless personal area network error data packet recovery method, and relates to the field of wireless communication. In a low-speed wireless personal area network IEEE 802.15. 4 signal receiving device, bit offset and bit mutation may occur to a received signal, so that a data packet goes wrong; by utilizing the rules, an algorithm for recovering the error data packet is designed at a receiving end, and the received error data is restored to correct data through shifting operation, recording and using similar bit error rules, and is enabledto pass CRC. According to the invention, an error data packet does not need to be sent again, the energy consumption of the transceiving equipment is reduced, extra communication time delay is not generated, and the data packet receiving success rate of IEEE 802.15. 4 equipment is greatly improved.