摘要:
This application relates to the field of optical communication technologies. An optical engine assembly (103), an optical interconnection system (1000), and a network device (3000) are provided. The optical engine assembly (103) includes an optical engine (10), a coupling base (30), and a fiber array unit (50). A first guide portion (33) is disposed on the coupling base (30), a second guide portion (515) is disposed on the fiber array unit (50), and one of the first guide portion (33) and the second guide portion (515) is a guide rod. The other of the first guide portion (33) and the second guide portion (515) is a guide hole, and the guide rod is pluggably connected to the guide hole. The optical engine (10) is configured to implement conversion between an optical signal and an electrical signal. The coupling base (30) is pluggably connected to the fiber array unit (50), so that passive coupling between the fiber array unit (50) and the coupling base (30) is implemented, and assembly efficiency of the optical engine assembly (103) is increased. In addition, if an optical fiber cut occurs in the fiber array unit (50), the faulty fiber array unit (50) may be removed and replaced with a new fiber array unit (50). This improves maintainability of the optical engine assembly (103).
摘要:
An application interface layout method and an electronic device are provided, relate to the field of electronic technologies, and can reduce workload of an application developer in developing and maintaining a layout file of an application interface. The method specifically includes: A developer sets a layout container having an adaptive layout capability in a layout file of an application, where the adaptive layout capability includes at least one of an extension capability, a proportion capability, an equalization capability, a wrapping capability, a hiding capability, a stretching capability, or a scaling capability. In this way, when running the application, the electronic device arranges, based on a screen parameter of the electronic device and the adaptive layout capability of the layout container in the layout file, a size and a location of a child view in the layout container on a display interface.
摘要:
This application discloses a digital reconstruction method for a traffic road, and relates to the field of smart transportation. The method includes: obtaining video data shot by a camera disposed on the traffic road, where the video data records a plurality of targets on the traffic road; determining a running track of each target on the traffic road based on the video data; and establishing a digital view of the traffic road. The digital view includes a plurality of models. Each model represents each target on the traffic road. Each model in the digital view runs based on a running track of a target that corresponds to the model and that is on the traffic road. The established digital view of the traffic road may conveniently and truly reflect a running status of the traffic road, and the digital view of the traffic road does not need to consume a large number of memory resources and communication resources.
摘要:
This application relates to the field of advertisement technologies, and discloses a method for displaying an advertisement picture, a method for uploading an advertisement picture, and an apparatus, to reduce a loss rate of key information in an advertisement picture, improve a success rate of advertisement recommendation, and improve viewing experience of a user. The method includes: obtaining, by a terminal, location information of a key information area in a first advertisement picture from an advertisement server, where the first advertisement picture includes at least one key information area; obtaining, by the terminal, the first advertisement picture; cropping, by the terminal, the first advertisement picture based on the location information; and displaying, by the terminal, a second advertisement picture in an advertisement display area of a display, where the second advertisement picture includes at least one key information area, and the second advertisement picture is obtained after the first advertisement picture is cropped, or the second advertisement picture is a picture obtained by scaling the cropped first advertisement picture.
摘要:
Embodiments of the present invention provide an information transmission method and device. The method includes: reporting, by a UE, a CQI value to an eNB; receiving, by the UE, an MCS value sent by the eNB, where the MCS value is determined by the eNB according to the CQI value; and receiving, by the UE, PDSCH data according to the MCS value, where the CQI value and the MCS value are determined according to a second set of tables, where a modulation scheme that can be supported by the second set of tables is higher than 64QAM. The embodiments of the present invention can improve system performance and reduce waste of feedback resources.
摘要:
Embodiments of the present invention provide an information transmission method and device. The method includes: reporting, by a UE, a CQI value to an eNB; receiving, by the UE, an MCS value sent by the eNB, where the MCS value is determined by the eNB according to the CQI value; and receiving, by the UE, PDSCH data according to the MCS value, where the CQI value and the MCS value are determined according to a second set of tables, where a modulation scheme that can be supported by the second set of tables is higher than 64QAM. The embodiments of the present invention can improve system performance and reduce waste of feedback resources.
摘要:
The present invention provides a method for sending and receiving control information, an apparatus and a communication system. The method for sending control information includes: setting respective control bits in a downlink control information (DCI) format to generate control information applied by a network side to a terminal, where the control bits include validity indication bits and transmission control bits, indication information indicating whether transmission control exercised by the network side on a transmission block is valid relative to the terminal is written into the validity indication bits, and the validity indication bits are located outside the transmission control bits; and sending the generated control information to the terminal. In the embodiments of the present invention, a network side device extends or changes functions of some control bits in the DCI format of the control information, so as to improve efficiency of using a resource overhead occupied by the control bits in the DCI format of the control information, and improve efficiency of using an overhead required for transmitting the control information.
摘要:
According to an optical network-on-chip and a method and an apparatus for dynamically adjusting optical link bandwidth that are provided in embodiments of the present invention, each fixedly interconnected optical transceiver in a cluster in the optical network-on-chip is configured to establish, by using an optical router, a link between the cluster and one cluster in other n-x clusters except the cluster, to exchange an optical signal; and a main controller in the cluster is configured to: allocate x adaptively interconnected transceivers to k fixed links with the heaviest communication traffic according to a set rule and communication traffic of fixed links established by n-x fixedly interconnected optical transceivers in the cluster; and for an adaptively interconnected optical transceiver in the x adaptively interconnected optical transceivers, control, after the adaptively interconnected optical transceiver is allocated to a link in the k fixed links with the heaviest communication traffic, the adaptively interconnected optical transceiver to establish a link, except the fixed link, between two clusters connected by the fixed link.
摘要:
An interference coordination method in TDD systems, an apparatus, and a system are disclosed in embodiments of this invention, which relate to the communication field. A interfered cell may distinguish uplink-downlink interference based on the uplink-downlink configuration of the interfering cell, and send the uplink-downlink interference indication information to the interfering cell, so that interference coordination can be performed on uplink-downlink interference by the interfering cell. The method provided in the embodiment of this invention comprises: receiving by an interfered cell a uplink-downlink configuration of an interfering cell sent from the interfering cell; generating by the interfered cell interference indication information for subframes in the interfered cell in a direction opposite to the signal transmission direction in the interfering cell, according to a uplink-downlink configuration of the interfered cell and the uplink-downlink configuration of the interfering cell; sending by the interfered cell the uplink-downlink configuration of the interfered cell and the interference indication information to the interfering cell, to enable the interfering cell to perform interference coordination according to the uplink-downlink configuration of the interfered cell and the interference indication information.
摘要:
The present invention relates to the field of communications, and in particular, to an interleaving and de-interleaving method, an interleaver and a de-interleaver. The interleaving method includes: receiving N×M frames of data, and sequentially storing, with each frame as a unit, the N×M frames of data in storage space indicated by N×M addresses of a first storage unit ; transferring the data stored in the storage space indicated by an ((X-1)×M+Y+1) th address of the first storage unit to the storage space indicated by a (Y×N+X) th address of a second storage unit, where the second storage unit includes the storage space indicated by the N×M addresses, and the storage space indicated by each address in the second storage unit is capable of storing one frame of data; and according to an address sequence, outputting the data stored in the space indicated by the N×M addresses of the second storage unit frame by frame. The interleaving and de-interleaving solutions of the present invention have low implementation complexity, and high capacity of correcting a burst bit error.