390results about How to "Improve the success rate of switching" patented technology

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 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.

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 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 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.

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 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 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.

The invention provides an adjacent region configuration method and device, and relates to the communication field. The adjacent region configuration method and device can solve the problem that the voice call delay of user equipment in the CSFB technology is long. According to the specific scheme, the method comprises the steps of counting the frequency of switching from a first cell to other cells by one or more sets of user equipment within the preset time, counting the switching success frequency and generating N switching records, wherein the N switching records correspond to N second cells in a one-to-one mode, the switching records comprise the switching frequency, the switching frequency of the nth second cell represents the frequency of switching from the first cell to the nth second cell by one or more sets of user equipment within the preset time for the nth second cell in N second cells, N and n are integers larger than 0, and n is larger than 0 and smaller than or equal to N; deleting the second cells with the switching frequency smaller than a first threshold value in the N second cells in a switching list, wherein the switching list comprises the N second cells. The adjacent region configuration method and device are applied to adjacent region configuration.