36results about How to "Reduce switching rate" patented technology

The invention is a handover determining method in mobile communication system, comprising: 1) network side sends link loss measurement control command to user terminal to appoint the parameters the user terminal needs to measure; 2) the user terminal receives the control common and measures, and reports the measured results in an event triggered mode or periodically, where the measured results include the preset number of larger link loss difference integration values or link loss difference integration values larger than first threshold value, selected from the adjacent cells which require measuring; 3) the network side selects a target cell of local terminal from the reported adjacent cells and switches terminal connected wireless link from service cell to target cell. And it can switch terminal a cell which can provide better link condition.

The invention relates to a wireless communication system and discloses a cell selection method and equipment inside a layered cell structure to ensure that terminals can be more reasonably distributed inside layered cells of different levels. Through taking the duration of a DRX cycle as one of the factors selected within an HCS cell, the invention can more reasonably distribute each terminal in each layer of cells of the HCS. When other factors are not changed, a cell with larger coverage area is selected for a terminal with longer DRX cycle. According to the DRX cycle, cell selecting function can be realized inside network side equipment or a terminal. If the moving speed of a terminal is known, the DRX cycle and the speed of the terminal can be combined and are used as one of the factors selected inside the HCS cell.

The invention discloses a cell selecting and switching method and system in a relay network, used for solving the technical problem of overlong time delay for selecting and switching a cell when a relay station and a user terminal belonging to the relay station perform cell selection and switching in batch under the conditions that the relay station is removed or logged in again and the like. According to the cell selecting and switching method and system disclosed by the invention, by setting selecting and switching identifications, the number of times of signaling interaction negotiated among a service base station or relay station, an anchorage base station or relay station and a user terminal is reduced, thereby reducing the time delay for selection and switching. In the invention, the selecting and switching identifications corresponding to the adjacent base station or relay station other than the anchorage base station or relay station are set to be in an asynchronous or delayed synchronous state, and the inter-cell interference of the adjacent base station or relay station on the user terminal is increased, so that the base station or relay station synchronous with the user terminal in the measurement result of the user terminal is the first choice when the service base station or relay station selects the anchorage base station or relay station, and the probability of wrong selection and switching is reduced.

The invention discloses a user movement-based relay selection method in D2D communication under an overlay working mode. Problems caused by a situation that a user is under a moving state scene are prominent problems which need to be solved urgently in relay selection and encountered by D2D communication in a cell of origin in practical engineering application. The user movement-based relay selection method in D2D communication under an overlay working mode provided by the invention includes the following steps that: a relay-based D2D communication network under a MIMO cellular network is established, the signal coverage overlapping rang of a D2D transmitting end and a D2D receiving end is a relay cooperative region; the number of cellular users which can be selected as relays in the relay cooperative region, the positions and moving directions of the cellular users are put into statistics; and an optimal relay is selected out according to the data provided previously with maximizing relay continuous time and minimizing relay switching rate. According to the method of the invention, based on reasonable relay selection modes, the switching rate of relay nodes is greatly reduced, the duration time of the relay nodes is improved, and system performance is improved.

A memory controller for use in a data storage device is provided. A low-density parity check (LDPC) process performed by the memory controller includes an initial phase, a decoding phase, and an output phase. The memory controller includes a variable-node circuit and a check-node circuit. During each LDPC decoding iterative operation in the decoding phase: the check-node circuit obtains a codeword difference from the variable-node circuit, and calculates a syndrome according to the codeword difference. The variable-node circuit is configured to: determine a syndrome weight according to the syndrome from the check-node circuit; obtain a previous codeword from a variable-node memory without obtaining a channel value from a channel-value memory; perform bit-flipping on one or more codeword bits in the previous codeword according to the calculated syndrome weight to generate an updated codeword; and subtract the previous codeword from the updated codeword to obtain the codeword difference.

A method for transmitting image data to a driver of a display is provided, in which the image data include pixel values each represented by a number of bits. The method includes the steps of sequentially transmitting at least two bits of one of the pixel values during a first period through a data line; and sequentially transmitting at least two bits of another one of the pixel values during a second period next to the first period through the data line, in which an order of the last bit transmitted during the first period is the same as that of the first bit transmitted during the second period.

The invention discloses a message pushing method and device, electronic equipment and a computer readable storage medium, and the message pushing method comprises the steps: generating a first window in response to a condition that a system is in a picture-in-picture mode and first application software enters a system background; inserting the first window into an operation interface of second application software currently displayed on the display interface in a picture-in-picture mode, wherein the first window is arranged on the upper layer of the second application software; and receiving a message corresponding to the first application software by using the first window. According to the scheme, the convenience of receiving the message by the user can be improved, and the probability of switching between the application software due to mistaken touch is reduced.

The invention relates to a flow path control system and method of an automatic analyzer. A first multi-way valve and a second multi-way valve are arranged for cooperation, when liquid is pumped into a reaction container from a corresponding liquid storage container or liquid is pumped into a corresponding liquid storage container from the reaction container, branch pipelines of the first multi-way valve can be kept to be communicated with the liquid storage container all the time, the first multi-way valve connected with the liquid storage container does not need to be switched many times, the conversion rate of the first multi-way valve is easily reduced, the service life of the system is prolonged, and maintenance cost is reduced. Besides, after the liquid in the liquid storage container is pumped, liquid in the branch pipelines connected with the liquid storage container can return to the portion below the first multi-way valve, accordingly when the first multi-way valve is switched later, no liquid exists in the branch pipelines of the first multi-way valve and an interface at a public end, cross pollution of the liquid in the branch pipelines and the liquid in the public end can be avoided, and analysis precision is easily improved.

The invention discloses a highway overload control off-site law enforcement intelligent operation and maintenance cloud platform in the field of highway overload control, and the platform comprises a cloud server and an operation and maintenance management platform which are connected through a data transmission line. The operation and maintenance management platform comprises a main fixed frame body, first folding frames arranged on the two opposite sides of the main fixed frame body, and second folding frames arranged on one sides of the first folding frames. The folding frame II can be driven to rotate along the folding frame I and the folding frame I can be driven to rotate along the main fixing frame by pulling the opening and closing handle, so that the auxiliary display screen can be opened, and only the auxiliary display screen on one side can be opened according to actual requirements; therefore, the screen of the operation and maintenance management platform can be adjusted to three sizes according to actual requirements, the requirements of highway overload control off-site law enforcement at different stages are met, electric energy can be saved, the switching rate of face changing can be reduced, and the timeliness and accuracy of highway overload control off-site law enforcement operation and maintenance can be ensured.

The invention provides a retrofit LED lamp driver having a shunt switch to alternately shunt (for a first duration) and not shunt (for a second duration) received AC power. The first duration is concurring with a first polarity of each AC cycle of the AC power, for a first period comprising at least one AC cycle, and the first duration is concurring in a second, opposite polarity of the AC power, for a second period comprising another at least one AC cycle not overlapping with the first duration. Alternating the first and second periods are provided. Any DC offset in the current drawn caused by the shunting operation is thereby cancelled over time.