48results about How to "Improve access bandwidth" patented technology

Embodiments of the present disclosure disclose a multi-interface solid state disk, and a processing method and system of the multi-interface solid state disk. The multi-interface solid state disk according to the present disclosure includes: plurality of interface control units, a command scheduling unit, a flash control unit and a flash chip. Each interface control unit corresponds to a communication interface respectively. The interface control unit receives an operating command through the communication interface. The command scheduling unit obtains, according to a scheduling rule, operating commands from the plurality of interface control units, puts the operating commands in a command queue, takes an operating command from the command queue, and sends the operating command to the flash control unit. The flash control unit converts the operating command into a flash operating command to operate the flash chip.

The invention provides a distributed network address translation system. The distributed network address translation system comprises an access layer, a multiplex layer and a control layer; middle nodes of the access layer are APs (Access Point); middle nodes of the multiplex layer are MPs (Multiplex Point); middle nodes of the control layer are CPs (Control Point); every AP is an access server; the functions of every AP comprise communicating with an internal network host, selecting public IP (Internet Protocol) resources for the internal network host, communicating with the MP owning the selected public IP resources and performing address translation; every MP is a multiplex server; the respectively owned public IP resources are maintained through every MP and meanwhile every MP is communicated with an external network through the respectively owned public IP resources; every CP comprises an IPS (IP Selector) and a CC (Control Center); every IPS is used for maintaining the public IP address resources of the MPs in the system; every CC is used for performing configuration on every layer of nodes; the APs, the MPs and the CPs are connected with each other through a tunnel which is a transmission layer connecting tunnel. The distributed network address translation system is used for performing the distributed network address translation and accordingly the utilization rate of the IP resources in the NAT (Network Address Translation) system can be improved.

The invention provides a solid state disk and an access control method thereof, and a solid state disk controller. The solid state disk controller comprises a host interface unit, a buffer unit, a storage interface unit and a compression/decompression unit, wherein the host interface unit is connected to a host, receives data from the host and sends data to the host; the buffer unit is connected to the host interface unit, and provides buffer for data transmission between the host interface unit and the compression/decompression unit; the compression/decompression unit is connected to the buffer unit, compresses data transmitted by the host to a storage unit, and decompresses data transmitted by the storage unit to the host; and one end of the storage interface unit is connected to the compression/decompression unit, while the other end is connected to the storage unit of the solid state disk for read-write operation on the storage unit. The effective capacity of the solid state disk is increased under the condition that the physical capacity of the solid state disk is fixed.

The invention discloses a method for designing an open type fused EOC. The open type fused EOC comprises a high-frequency submodule, a low-frequency submodule, an ONU submodule and the like. An IP data signal is modulated into a high-frequency signal and a low-frequency signal through the high-frequency submodule and the low-frequency submodule respectively after entering an open type fused EOC device through the ONU submodule, and the high-frequency signal, the low-frequency signal and a CATV signal are transmitted to a user side through the same cable. The open type fused EOC integrates the technical advantages of a high-frequency module, a low-frequency module and other modules, and fuses high-frequency technical standards and low-frequency technical standards, as a result, equipment cost is reduced, the access bandwidth is increased, the number of access users is increased, design work at an earlier stage and project implementation difficulty at a middle stage are reduced, operation and maintenance management, expansion and upgrading at a later stage are facilitated, and the open type fused EOC is applicable to the situation that distance between a photoreceiver and a user is different and other complex HFC network environments.

The invention of large-capacity high-speed cache memory comprises the high-speed cache memory controller and the high-speed cache memory units composed of DDR SDRAM array, and the address of the DDR SDRAM memory space changes in turn according array sequence. The invention uses DDR SDRAM memory array as a high-speed interface of cache memory, and provides greater access bandwidth and larger cache memory capacity for the high-speed interface, and also provides a relatively small delay for read and write access of the high-speed interface.

The invention provides a multichannel RAM (random-access memory) reading/writing circuit and method. A plurality of RAMs are added in the circuit, a bus bridge, an arbiter and multiplexer cooperates, simpler circuit control logic is used to allow access bandwidth of RAM is increased greatly while system clock frequency is unchanged, and average system power consumption is unchanged. The multichannel RAM reading/writing circuit is simple, low in cost and easy to implement in a system.

The present invention discloses a software defined optical access network-based method and system for time-based bandwidth customization. The system comprises an application layer, a control plane and a data plane. The application layer receives and analyzes a bandwidth customization request of a user, and sends the bandwidth customization request through a northbound interface. The control plane receives and analyzes the bandwidth customization request, reserves network bandwidth resources according to a fact that a network bandwidth margin meets the bandwidth customization request, updates a bandwidth calendar, writes a to-be-delivered flow table into a node flow table and updates the node flow table, determines a flow table delivery time and starts a timer, reads the updated flow table when the time arrives, and sends an open flow message through a southbound interface. The data plane receives and analyzes the open flow message, sends the open flow message to a data abstraction layer according to the effective time of the open flow message, and completes configuration from the flow table to a forwarding device. Through adoption of the software defined optical access network-based method and system for time-based bandwidth customization, the access bandwidth is open to the user and is customized according to needs, actual network demands are met so as to improve the use experience, a network operator can develop a value added service, and the network flow can be smoothed by referring to a reasonable pricing policy.

The invention provides an afterglow generation method of a spectrum analyzer and the spectrum analyzer. The method comprises the steps that orthogonal mixing processing is carried out on an input signal of the spectrum analyzer to acquire a complex baseband signal; FFT calculation is carried out on the complex baseband signal to generate FFT calculation result data; according to preset integers Gand P, G FFT calculation results are in a group; P FFT calculation data in each FFT calculation result are in one piece, and FFT calculation result data are divided into A groups and B pieces; displayinterpolation processing is carried out on each FFT calculation result datum; the display interpolation processing result of each group in the same piece are subjected to histogram statistical accumulation to generate the histogram statistics of each piece of FFT calculation result data; and according to a predefined color mapping value and the histogram statistics of each piece in afterglow time, an afterglow display image is generated. According to the invention, the FFT calculation data are grouped and fragmented; the feature of high bandwidth efficiency of DRAM sequential access is fullyutilized; and a large number of calculations of display interpolation are completed in a short time.

An embodiment of the invention provides a storage device and an executive system and method of access operations. The device comprises an interlaced busbar, N memory banks and K direct-attached bus banks, wherein the letter K is smaller than or equal to the letter N, the interlaced busbar comprises M main interfaces and S auxiliary interfaces, the letter M is smaller than or equal to the letter S, and each of the M main interfaces is used for receiving continuous address access operations. Each of the N memory banks comprises S memories connected with the S auxiliary interfaces respectively. The interlaced busbar is used for encoding the continuous address access operations to at least one of the N memory banks by means of interlacing. The first one of the K direct-attached bus banks is used for receiving discrete address access operations and connecting the discrete address access operations to at least one of the N memory banks. Through the storage device and the executive system and method of access operations, the efficiency of access operations is guaranteed.

The invention relates to full-duplex radio-over-fiber systems. A system comprises a first link and a second link. The first link is used for radio-over-fiber of a W band from a first end to a second end. The first link comprises a first transmitting device and a first receiving device. The first transmitting device sets a central wavelength of a light source, generates a W band millimeter wave through utilization of a beat frequency, modulates a first original signal to the W band millimeter wave, obtains a first modulation signal and sends the first modulation signal to the first receiving device. The first receiving device is used for receiving and demodulating the firs modulation signal, thereby obtaining the first original signal. The second link is used for the radio-over-fiber of theW band from the second end to the first end. The second link and the first link are consistent in network topology structure. According to the scheme, the W band millimeter wave is generated throughutilization of the beat frequency, network configuration operation is simple, cost is greatly reduced, and relatively high access bandwidths are realized.