32results about How to "Solve capacity constraints" patented technology

The invention relates to a transmission method and a device of control messages. The method includes the steps as follows: UE (user equipment) in one cell is grouped, and a second control message of each grouped UE group is obtained; the second control message of each UE group is subjected to combined channel coding; a first control message is obtained and transmitted to the UE in the cell, wherein the first control message comprises an indicating message of the second control message of each UE group after the combined channel coding of the second control message, and the second control message is obtained according to the indicating message; and the second control message of each UE group after the combined channel coding of the second control message is transmitted to the UE in the cell. The method groups the UE in the cell, and the UE-level control message in each group is subjected to combined coding and transmission, so that the transmission efficiency of the control message can be obviously improved, the system capacity of a network is enlarged, and the problem that the capacity of a control channel is limited is solved.

A distributed multimedia conference system based on IP network includes multimedia conference terminals, a multipoint control unit and gates characterizing that the said gates are divided into a junction gate and multiple user gates, each user gate is connected with its belonging multimedia conference terminals and the multipoint control unit, the junction gate is connected with and coordinates with each user gate to manage the entire system. Each of the multimedia conference terminal attending the meeting is connected with the multipoint control unit controlling the conference, having the control unit controlling the conference, having the control function only and the multipoint process function is separated from the multipoint control unit and realized at each multimedia conference terminal. This invention supports the multimedia conference function of image, phone and data to transmit the said signals to save network bandwidth by multicast.

The invention relates to a dynamic distributed antenna deployment method for enhancing the network capacity and coverage. The method comprises the following steps: deploying distributed antenna nodes on crossroads in a city network, wherein remote radio head nodes of distributed antennas can be clustered into distributed antenna cells of different forms in different ways; and when loads in the clustered cells are light, executing a radio frequency receiving-transmitting functional module of a remote radio head to transmit the same data under the configuration of a central processing server module in a center cluster head station of the clustered cells through network nodes in the same distributed antenna cell in order to enhance signal receiving intensity of users within a service range. Compared with a method for separately deploying hot-spot base stations, the dynamic distributed antenna deployment method has the advantages that the influence of interference between adjacent base stations under dense network deployment can be lowered, and the mobility problems of excessive switching times, high switching failure rate and the like due to dense deployment under the situation of a narrowed cell range are solved.

The invention discloses a carrier wave configuration method, device and system. The method is applied in a narrow-band Internet of Things NBIoT system. The method comprises the steps of configuring non-anchor carrier wave information other than anchor carrier wave information; issuing the non-anchor carrier wave information.

The invention provides a transmission method and device for downlink control information (DCI). The method comprises the steps of obtaining to-be-transmitted DCI in a downlink control channel; sendingfirst-level DCI to user equipment, wherein the first-level DCI comprises format information of second-level DCI and downlink resource allocation information; and sending the second-level DCI to the user equipment. According to the embodiment of the invention, the to-be-transmitted DCI in the downlink control channel is divided into two levels for transmission and the bit number of the first-levelDCI is fixed, so blind test times of the first-level DCI is relatively low, and transmission reliability is improved under the same control channel resource; the first-level DCI comprises the formatinformation of the second-level DCI, so a type of the second-level DCI can be determined, and the transmission reliability is improved; and the second-level DCI is transmitted in a physical downlinkshared data channel scheduled by a user, so downlink transmission resources can be dynamically multiplexed, and the problem that capacity of the control channel is limited is effectively solved.

The invention discloses a large scale MIMO channel simulation apparatus under time evolution. According to the invention, a user inputs communication scenario parameters to a master control PC subsystem, and a parameter computing unit computes fading factors of each MIMO sub-channel. A channel fading matrix is separately transmitted to a channel fading RAM of each channel simulation unit. A channel input signal undergoes a signal decomposition unit of a signal decomposition sub-system to obtain a plurality group of simulation signals. The simulation signals undergo an AD conversion unit of a signal processing sub-system and convert to digital signals, and the digital signals are transmitted to the channel simulation units, and at the same time a filter RAM is read through different sampling rates to obtain MIMO channel fading under time evolution. The channel simulation units conduct multiplication, adding and outputting on the digital signals and the channel fading. Each component of a channel output signal undergoes the AD conversion unit of the signal processing sub-system, is connected to a signal synthesizing sub-system, and then undergoes a noise superposing unit to obtain a final channel output signal.

The invention relates to a method for showing real live-action space by a navigation map. A storing and processing mode of data is that: a part of the data is inputted from the external part, the data needs to be compressed after being inputted in order to solve a problem that the amount of original data is too large. Basic ideas of the solution provided by the invention are that: the original data is organized and ranked again, and the data is ensured not to be damaged; the data is mainly composed of two parts which are object models and model textures, wherein the object models are divided into two parts, one part is single models having no commonality, and the other part is common models having the commonality; original vertex coordinates and texture coordinates are stored by floating-point numbers. The method provided by the invention has the advantages that a problem that the storage medium capacity is restricted is solved through compression of the data, and the utilization rate of the storage medium is improved. The method improves the efficiency of data reading of programs, has an especially obvious effect on guidance and prompts for a complex intersection, and is an essential live-action display technology for navigation in metropolis in the future.

The invention relates to the field of lithium ion batteries, and discloses a button type lithium ion battery and a shell. The shell comprises: a negative electrode shell comprising a negative electrode top cover and a negative electrode shell wall, and the negative electrode shell wall surrounds the edge of the negative electrode top cover, is perpendicular to the negative electrode top cover andis located on one surface of the negative electrode top cover; the sealing ring is sleeved on the negative electrode shell; the positive electrode shell comprises a positive electrode top cover and apositive electrode shell wall, and the positive electrode shell wall surrounds the edge of the lower bottom shell, is perpendicular to the positive electrode top cover and is located on one surface ofthe positive electrode top cover; wherein the anode shell wall is sleeved outside the cathode shell wall, the sealing ring is arranged between the anode shell and the cathode shell at intervals, thetail end of the anode shell wall is an anode shell thick-wall annular section, the anode shell thick-wall annular section is bent and pressed outside the anode shell to form an annular seal, and the wall thickness of the anode shell thick-wall annular section is greater than that of other positions of the anode shell. By adopting the technical scheme, the air tightness of the shell is ensured on the basis of improving the capacity of the button lithium ion battery.

Embodiments of the present invention provide a method and device for transmitting control signaling, the method comprising: a base station sends control signaling transmission location indication information to a mobile station configured in an open-loop multi-antenna mode; if the control signaling transmits If the sending location of the control signaling indicated by the location indication information is located in the data area, the base station sends the control signaling in the data area by using an open-loop multi-antenna or transmit diversity mode. Through the method and device of the embodiment of the present invention, when the number of mobile stations that need to be scheduled in a cell increases, resulting in an increase in the scheduling information that needs to be sent in a subframe, the control of the mobile station that is configured as an open-loop multi-antenna transmission mode Signaling is transmitted in the data area, which increases user scheduling, thereby improving system throughput and solving the problem of limited PDCCH capacity.

The invention relates to a video monitoring technology. The invention particularly relates to a bus monitoring video wireless high-speed networking storage system and method. The system comprises a client, an in-station storage server, a wireless router and a plurality of wireless monitoring devices, the plurality of wireless monitoring devices are connected with the in-station storage server through the wireless router, the wireless router is arranged in a bus master station, and the wireless monitoring devices are arranged on buses; after a bus runs into the parking lot of the bus master station, the wireless monitoring devices and the in-station storage server form a wireless network through the wireless router, and bus equipment information and video data are uploaded in a TCP connection mode; the in-station storage server is provided with a database, and the client uploads and reads bus equipment information and video data by accessing the database of the in-station storage server. The video data is uploaded to the in-station storage server device, data backup is achieved, the video recording duration is prolonged, and the video data extraction efficiency is improved.

The invention provides a group calling method, a communication device and a storage medium. The method comprises the steps that downlink loads of a base station are counted periodically, and a one-way mode in the ROHC is controlled according to the downlink loads. According to the method provided by the invention, the unidirectional mode is controlled according to the downlink load, so that the downlink group capacity is improved.

The invention discloses a method for expanding capacity of register files of a processor and mainly solves the problem of register capacity limitation. The method includes: judging whether an instruction is a conditional instruction or a non-conditional instruction; if the instruction is a conditional instruction and the condition is AL, selecting an expanding register file S1; if the instruction is a non-conditional instruction, selecting an expanding register file S0; if the instruction is the conditional instruction but the condition is not AL, selecting the expanding register file S0. The method for expanding the capacity of the register files of the processor aims at instruction sets supportive to conditional execution and is completely compatible to applications of an original processor with no modification of original instruction sets.

The invention provides an access method, a terminal and network side equipment, and belongs to the technical field of wireless communication, and the access method applied to the terminal comprises the step of initiating random access to a target cell according to the related information of the target cell associated with a first cell when the terminal residing in the first cell needs to initiaterandom access. According to the invention, the problem of limited capacity caused by limited bandwidth of the first cell can be solved, and the capacity of the communication system corresponding to the first cell is improved.

The invention provides a group calling method, a communication device and a storage medium. The method comprises the following steps of receiving indication information sent by the core network equipment, wherein the indication information is used for indicating whether the user terminals belonging to the group in the coverage range of the base station support robust header compression (ROHC) or not; and when all the user terminals belonging to the group in the coverage range of the base station support ROHC, compressing the data to be sent according to the ROHC, and sending the compressed data to the user terminals belonging to the group in the coverage range of the base station. According to the method provided by the invention, the downlink group capacity is improved.