395results about How to "Improve the success rate of switching" patented technology

The present invention discloses a network assisting and UE (user equipment) control type fast cell handover method and device and is used for performing fast cell handover. The fast cell handover method comprises: obtaining one or a plurality of candidate cells by a source base station according to a configured adjacent cell list; interacting the source base station and a base station to which each candidate cell belongs for preparing resources for UE handover; organizing network assisting information by the source base station, and then re-configuring messages to the UE by radio resource control (RRC) connection; and measuring by the UE according to a configured handover manner, optimizing one of the configured candidate cells to be used as a handover target cell during handover judgment, and then synchronizing the selected target cell. According to the method and the device, through the adoption of a network assisting and UE control type handover manner, a handover process is optimized, the handover time delay is reduced, a risk of call drop of the UE during cell handover is reduced, the handover success rate is increased, the continuity of services is ensured, and the use experience is improved. The method and the device are particularly suitable for high-mobility scenes, such as high-speed rails or air line covering places, etc.

The invention discloses a method and a system capable of adjusting parameters according to the moving speed of a terminal. The method comprises the steps: a mobile terminal can detect signal strength of a small serving cell and judge the current moving speed according to speed judgment rulers issued by a base station, system parameters are adjusted according to the moving speed, and the system parameters are small cell reselection threshold parameters or switching trigger duration parameters. The method and the system aim at defects of switching parameters based on user experience (UE) speed dynamic adjustment in the 3rd generation partnership project (3GPP) to provide the method based on UE moving speed judgment according to trend of small cell signal quality change in the current serving cell. By means of the method and the system, accuracy and timeliness of the UE speed judgment are improved, switching success rate of networks is improved, and user experience is improved.

The invention discloses a switch processing method, a serving base station, an adjacent base station and a network communication system. In the switch processing method, the service base station selects a target base station from the adjacent base station which can receive switching request of a mobile terminal, and informs the mobile terminal; if the adjacent base station capable of receiving the switching request of the mobile terminal receives switching information corresponding to the mobile terminal, the adjacent base station is judged as the target base station and matched with the mobile terminal to switch; otherwise, the adjacent base station is judged as a preparation base station, and the resource amount reserved for the mobile terminal by the adjacent base station is reduced. The switch processing method can effectively improve the switching success rate.

The present invention provides high speed mobile terminal cell switchover control method. Said method includes when terminal moves away current service base station at higher set traveling speed and approaches predicted target cell, network side judges target cell signal whether satisfying pre-switching condition, if satisfying then starting up pre-switching and establishing channel in target cell. Said invention realizes high speed mobile terminal switching through predetermining mobile terminal travel direction, pre-applying channel resource in target cell and establishing channel.

The invention provides a switching method used for a group monitoring user and a terminal thereof. The method comprises the following steps that the group monitoring user in an idle state acquires measurement control information and wireless resource configuration information from a system broadcast message; the group monitoring user in the idle state carries out measurement according to the acquired measurement control information and initiates radio resource control (RRC) connection establishment process when a measurement report needs to be reported; according to the acquired wireless resource configuration information, the group monitoring user in the idle state establishes RRC connection with a base station and the idle state is converted into a connected state; the group monitoring user in the connected state uses a switching process of the connected state to switch to a target cell when the switching is needed. By using the method and the terminal of the invention, the group user can be supported to carry out the effective and fast switching.

The utility model discloses an optimization method for the switchover of the base station, comprising that when the switchover sent to a target district by a terminal is refused, the failure information of the switchover can be stored in the terminal historical information of the request message of the switchover by a base station of the present district of the terminal, wherein, the failure information of the switchover comprises the relevant information of the target district refusing the switchover of the terminal; in the situation that the terminal is switched to another target district successfully, the failure information of the switchover is sent to the base station of another target district by the base station of the present district; if the terminal continues switching, the base station of other target district chooses the target district for successive switching based on the failure message. The utility model can choose the most suitable target district for the terminal, realize the optimization of the switching process and increase the success rate of the switchover.

The invention is invention is used for solving the problem of occupying resources when a terminal is switch from a macro-cell to a micro-cell. The method comprises: dividing all micro cells belonging to one macro-cell into several logical cells; all micro cells on one logical cell have same frequency carrier and downlink scrambling code; when making a switch, the logical cells are used as the target cells to select a logical cell with best signal quality; selecting a micro-cell with best signal quality; using the selected micro-cell as the serving cell of the user's terminal.

This invention discloses one multi-load wave communication system channel priority lining method, which comprises the following steps: a, when user sends signal channel requirement, the system gets the user resource demands from the said demands; b, the system finds out the load wave to satisfy the user demands as prepare load wave and selects load wave with maximum priority from the prepare ones; c, selecting the time gap with maximum priority from the load wave and redispatching relative codes materials according code dispatching principle to determine the business signal value.

The invention discloses a multi-vehicle mounted station cooperation cell switching method for train-ground communication under a high-speed moving environment. The first scheme comprises the following steps of: arranging a vehicle mounted station at the front end and the rear end of a train, wherein the two vehicle mounted stations are mutual communication backups; applying a communication resource for the vehicle mounted station at the rear end while switching the vehicle mounted station at the front end; directly switching to the communication resource applied by the vehicle mounted station at the front end while switching the vehicle mounted station at the rear end; or switching the vehicle mounted station at the rear end by directly using available information acquired by the vehicle mounted station at the front end. The second scheme comprises the following steps of: switching with only the vehicle mounted station at the front end and performing data communication with only the vehicle mounted station at the rear end; applying the communication resource for the vehicle mounted station at the rear end and recording the switching position while switching the vehicle mounted station at the front end; and directly switching to the communication resource applied by the vehicle mounted station at the front end while the vehicle mounted station at the rear end reaches the switching position. The method has the advantages of short switching time, uninterrupted communication during the cell switching and capability of meeting the requirements of the train-ground communication under the high-speed moving environment.

A method for synchronizing B node frame number between base stations in wideband CDMA system includes converting out relevant BFN counting value by base station according to GPS absolute time obtained by GPS satellite receiver from GPS signal, using converted out BFN counting value as current BFN counting value and carrying out inspection on it regularly, replacing actual value to be converted out BFN counting value when actual value is not consistent to required value.

The method comprises: a) selecting the first destination switch net element as the destination switch net element; B) sending a terminal switch request to the first destination net element, which carries the information about the a standby destination switch net element; c) if the first destination switch net element allows the terminal to be switched into it; then the terminal is switched into it; otherwise, the first destination net element relays the switch request of the terminal to the standby destination switch net element; the terminal is switched into the standby destination net element. The terminal switch request carries the information of the destination e-NodeB such that when a switch from source e-NodeB to destination e-NodeB fails, the invention can send the terminal switch request to a second or third standby destination e-NodeB.

The invention discloses a method for switching cells, comprising the following steps: firstly, switching judgment conditions and preset preswitching judgment conditions which are preset for determining a single candidate target cell are acquired by a user terminal (UE); secondly, when the UE judges the existence of the candidate target cell according to the wireless signal quality of service cells and adjacent cells, and the preswitching judgment conditions, the UE requests a UMTS (Universal Mobile Telecommunication System) Terrestrial Radio Access Network (UTRAN) to switch the candidate target cell; thirdly, the UE and the UTRAN store the switching result; and fourthly, when the UE judges the existence of a target cell according to the wireless signal quality of the service cells and the adjacent cells, and the switching judgment conditions, the UE and the UTRAN communicate with each other by using the switching result if judgment is made that the target cell is consistent with the candidate target cell. Application of the method can reduce the time of the process of switching the cells, guarantee the switching timeliness and then improve the switching success rate.

The invention discloses a polyester drawn textured yarn, which is continuously produced by polyester. The polyester drawn textured yarn is characterized in that the specification is 75D / 288F, and a product has excellent performance. The invention also discloses production process thereof, which comprises the following steps of: performing esterification reaction on pure terephthalic acid and glycol serving as raw materials; then performing pre-polycondensation and final polycondensation to prepare polyester melt for direct spinning; and adopting a POY-DTY circular blast cooling process route, wherein the viscosity of the prepared polyester melt is 0.650. The production process has the advantages of reasonable process, good fiber spinnability, excellent physical indexes, few broken filaments and broken ends, high switching success ratio, 95 percent of full-package rate, smooth subsequent processing, light and soft texture and good style of woven fabrics, and application in fabrics and linings of high-grade down jackets and fabrics of sportswear and casual wear.

The invention provides a mobility management method based on a clustered superdense small network in a 5G system. The mobility management method comprises the following steps: dividing a superdense cell into a plurality of microcell clusters, wherein each microcell cluster has a common pilot frequency; predicting the channel condition of the cell by using a birth-death model, and according to the quality of a received cell signal, comprehensively considering the business condition and the mobility state of a user terminal and selecting a proper base station as a switching target, wherein the blocking rate of new equipment calling and switching can be obtained, a correct switching strategy is established, the switching success rate is improved, and the call drop rate of the user terminal and the blocking rate of calling are reduced; when equipment is in an idle state and the user terminal is in a low-speed state, switching to a pilot frequency base station of a microcell; when the user terminal is in a medium-speed or high-speed state, switching to a macro base station; when the equipment is in a connection state, namely when a business service exists, if the user terminal is in the low-speed state, switching to a small base station of the microcell; when the user terminal is in the medium-speed or high-speed state, switching to the macro base station.

The invention discloses a dual-mode dual-standby terminal in which both a mode A non-access layer protocol stack and a mode B non-access layer protocol stack can access and update a Number 1 non-access layer information unit and a Number 2 non-access layer information unit, and also can perform a non-access layer processing to data flows and events of the Number 1 and the Number 2; both a mode A access layer protocol stack and a mode B access layer protocol stack can access and update a Number 1 access layer information unit and a Number 2 access layer information unit, and also can perform the access layer processing to the data flows and events of the Number 1 and the Number 2; besides, the mode A access layer protocol stack and the mode B access layer protocol stack can carry out information interaction. Switching between the modes can be accomplished by using the invention. Meanwhile, the invention also provides a method for switching between the modes of the dual-mode dual-standby terminal, and a single-mode dual-standby terminal.

The present invention discloses a method for generating neighbor list, wherein, the terminal reports the information of at least one unknown cell which is not in present neighbor list to the base station. The base station transmits cell information obtainment request information to the network side data base. Furthermore the cell information obtainment request information carries the information of service cell comprising the cell and the information of unknown cell. The network side responds to the cell information obtainment request information, confirms the position of service district according to information of service district through the database and searches the candidate cell according to the confirmed position of service cell for further confirming the selected cell. The network side transmits the cell information obtainment request information to the base station, wherein the cell information obtainment request information carries the information of selected cell. The information of selected cell comprises the global identifier of selected cell. The base station executes neighbor list procession according to the cell information obtainment request information. The invention also discloses a method for obtaining neighbor information. The automatic generation of neighbor list can be realized through the invention.

The invention relates to the field of communication and discloses a method for optimizing switching processes. The method comprises the following steps: generating difference value information of physical layer configuration information of a source base station and the physical layer configuration information of a destination base station according to the physical layer configuration information of the source base station and the physical layer configuration information of the destination base station; and then sending the difference value information to user equipment, wherein the difference value information can be used when the user equipment is switched to the destination base station from the source base station. Meanwhile, the invention also discloses base station equipment. When the method and the base station equipment are adopted, the cost of null signaling messages can be saved, and the switching processes of the user equipment can be optimized.

The invention discloses a method for switching different network systems. The method comprises the following steps of: when a terminal needs to be switched, ordering target cells corresponding to a source cell in accordance with a current leaving cell in the historical records to form a search list, selecting a target cell according to the search list and accessing the target cell. The invention also discloses a device for switching the different network systems. The method and the device improve the switching speed between the different network systems, promote user experience and reduce power consumption of the terminal.

The invention provides a district switching method in a long-term evolution system, which comprises the following steps: a source base station receives a measuring report reported by a terminal, and then, the source base station makes a switching decision and sends a switching preparation request to a destination base station; after receiving the switching preparation request, the destination base station selects a candidate district for resource allocation failure in a destination district to a user and sends a switching preparation failing message to the source base station, wherein the message carries information of the candidate district; and after receiving the switching preparation failing message, the source base station makes a switching decision again according to the information of the candidate district in the message. The district switching method in the long-term evolution system can be used for starting a switching attempt again under the condition that the first switching preparation fails, thereby increasing the opportunity of the switching, shortening the time for the second switching preparation, reducing the outage probability caused by unsuccessful switching, and greatly improving the successful rate of the switching of the whole system.

The invention discloses a network self-organization method and an evolution base station eNB. The method comprises the following steps that: when the eNB is started, the state of a neighborhood relation table in the eNB is set to be pre-valid; the eNB sets up a request message through X2 to send the neighborhood relation table thereof to a neighboring eNB and receive the neighborhood relation table of the neighboring eNB, which is returned by the neighboring eNB; the eNB sets the state of the neighborhood relation table between the eNB and the neighboring eNB to be pre-valid according to the neighborhood relation table of the neighboring eNB; and the eNB evaluates the neighborhood relation represented by the neighborhood relation table in the pre-valid state and changes the pre-valid state of the neighborhood relation table to be valid or invalid according to the evaluation result. The technical scheme of the invention optimizes neighboring configuration, so that switch judgment can use precise neighboring information and a switch success rate of a network is improved.

In order to solve the problem of selection of optimum switching reference points of a high speed railway fixed-point switching algorithm, the invention provides an optimum switching reference point selecting method. The method comprises the steps of firstly utilizing the RSRP and the BLER calculated by the RSRP for conducting initial selection of switching reference points, then, according to the switching reference point recording obtained by a large number of measurements, establishing a probability statistics model, and analyzing and obtaining the optimum switching reference points. According to the algorithm, the rapid switching problem under the high-speed mobile environment can be solved, the times of dropped calls of the communication can be reduced, the switching success rate is improved, the service quality of the high-speed broadband mobile service can be enhanced, conducting of multimedia broadband mobile internet services in high-speed trains is promoted, and the increasingly-growing requirements of passengers for mobile communication services are met.

The embodiment of the invention discloses a method, a system and equipment for communication. The method comprises that: an interface between an evolution base station eNB and an operation support system OSS is configured; and the eNB communicates with the OSS through the interface. The embodiment of the invention also discloses the evolution base station and the operation support system. By defining a signaling interface flow between the eNB and the OSS, the embodiment of the invention maintains a complete and effective adjacent cell list on the eNB, and reduces the probability of leaked allocation of adjacent cells, handover and PHY_ID conflict so as to improve switching success rate.

The invention discloses a configuration switching method of an LTE (Long Term Evolution) system under a high-speed mobile context. The method comprises the following steps that a physical layer of a source base station carries out Doppler frequency offset estimation, carries out statistics and sampling on a Doppler frequency offset value, and reports to a high level before a user terminal measurement report is received; a terminal sends a measurement report message to the source base station; after the source base station receives the user terminal measurement report, the source base station carries out a switching judgment, if switching is allowed, the source base station synchronously initiates a switching request and carries the Doppler frequency offset value; after a target subject receives the switching request, the target subject audits resources, if switching is allowed, the target subject synchronously carries out local configuration, analyzes the Doppler frequency offset value and configures to the physical layer; and after the target subject completes configuration, the target subject replies a switching request response message. According to the method, the condition of failed switching of a target cell, which is caused by carrying out frequency offset estimation again, can be avoided, and the switching success rate is improved. In addition, the additional time caused by difficulty in random access due to poor channel quality of the target cell can be reduced, and the switching delay is reduced.

The invention discloses a mobile robustness optimization method and device based on mobile state information and adjacent region proximity and belongs to the technical field of wireless communication. In the method, a micro base station controller estimates real-time mobile state information of mobile UE according to cyclic measuring reports obtained from the mobile UE; then the mobile UE is subjected to switching control according to an adjacent region deploying environment, and frequent switching between a macrocell and a microcell of the mobile UE is avoided; and finally, during a switching process, switching preparing operation to a preparing target cell is brought forward, and according to the moving speed of the mobile UE and the PDCCH interruption point of the service microcell, the switching condition for avoiding ping-pong switching is computed. Compared with the prior art, the prediction success rate of the preparing target cell is improved, frequency spectrum resource using rate is improved, frequent switching between the macrocell and the microcell of the mobile UE is lowered, then network signaling expenditure is reduced, SToS rate is not increased, meanwhile, the switching success rate of the mobile UE can be improved, and then user experience is improved.

The embodiment of the invention discloses a switching control method, a mobile node and a base station controller. In the switching control method, the mobile node computes the preswitching time and triggers the preswitching operation according to the start point of a switching section. In the prior art, during computing the preswitching time, the switching section is used as a point. Compared with the prior art, the invention has the advantages that the preswitching time computed in the embodiment of the invention is more accurate; and especially under the condition that the switching position is advanced relative to the fixed switching point, the probability that the target cell is identical to the preswitched cell or one of the preswitched cells is increased, thereby increasing the switching success rate of the mobile node and enhancing the communication quality.

The invention discloses a method and a device for switching heterogeneous networks. The method comprises the following steps: determining first weights of parameters in a QoS parameter set, wherein the first weights are subjective weights required by a user; determining second weights of the parameters in the QoS parameter set according to the current QoS parameter value of networks to be evaluated; carrying out fusion of coincidence degree on the first weights and the second weights, and determining third weights of the parameters in the QoS parameter set; and determining a target network according to the third weights so as to switch the networks. According to the embodiment of the invention, when the heterogeneous networks are switched, the method and the device increase the possibility for finding the target network and improve the success ratio of switching so as to enable the terminal to enjoy better service quality of other networks and further improve the satisfaction of the user.

The invention discloses a method for realizing self-optimization of Long Term Evolution (LTE) system, and relates to a mobile communication system. The method provided by the invention comprises the following steps: a base station transmits the state information of a local service subdistrict to an adjacent base station thereof; the adjacent base station updates local information according to the state information; the adjacent base station carries out network self-optimizing processing according to the updated information. The technical scheme in the invention carries out self-optimizing administration on the adjacent subdistrict list, so that the state information of adjacent subdistrict can be fully used as a terminal to choose a suitable target subdistrict by switching and judgement and the success ratio of network switching is improved. In addition, the invention also realizes network coverage and capacity optimizing judgement, thus finally improving network property.

The invention discloses a method for improving the service efficiency of a special leader sequence, comprising the following steps: when a terminal switches from a source cell to a target cell, the target cell sets the special leader sequence and a valid time length using the special leader sequence; the terminal uses the special leader sequence during the period of the valid time length to launch random access in the target cell; and the valid time length is calculated when the terminal firstly launches the random access leader message in the target cell. The method ensures that the time for the terminal to stop using the leader sequence is synchronous with the time for the target cell to release the leader sequence used by the terminal, thereby improving the service efficiency of the leader sequence and the terminal switch success ratio.

The invention is a resources distribution method between base stations in the personal handle system, all the base stations in network can monitor the connecting channel creation application information in the up SCCH channel, when the mobile phone calls one base station, if the base station has idle resources, it distributes the resources normally; if the called base station has no idle resource, it applies to the base station controller, the base station controller controls other base station with idle resources to distribute resource to the mobile phone. The invention reduces the accessing time in the PHS network, upgrades the call achieving rate and the switch achieving rate of the user, upgrades the channel distribution rate of the PHS network greatly, and it uses the wireless resources of the network effectively.