Abstract: Provided are a method and device for processing a service crossing the master node, which relate to the communications field, and solve a problem of a resource conflict caused by the service crossing the master node in the OBTN. The method comprises: when assigning a bandwidth for a service requested by each node within the present DBA period, a master node selects a processing strategy; the master node eliminates, according to the selected processing strategy, a resource conflict caused by the service crossing the master node, and assigns a bandwidth to the service requested by each node. The technical solution provided by the present disclosure is applicable to the OBTN, thereby implementing highly reliable OBTN resource scheduling.

Abstract: A camera module includes a lens assembly, a voice coil motor assembly for receiving and driving the lens assembly, and an image sensor assembly located below the voice coil motor assembly. The voice coil motor assembly comprises a bottom unit that is hollow and a color filter supported by the bottom unit, the color filter, the lens assembly and the image sensor assembly are coaxial, the bottom unit has an upper portion and a lower portion that are integrated together, the upper portion is configured around the lens assembly, and the bottom unit is configured below the lens assembly and supports the color filter. The camera module has simple structure and convenient assembly, can reduce total assembly tolerances of the camera module, achieve an accurate optical axis alignment between the lens and the image sensor, and reduce manufacturing cost to benefit the popularization in industries.

Abstract: A lens assembly includes a lens holder and a lens barrel that are coaxial and integrated in a unity, a cavity is defined therein to receive at least one lens, at least three guiding legs are extended from a bottom of the lens holder, and the guiding legs define a plane that is parallel to an installation plane of the lens. It can achieve an accurate optical axis alignment between the lens and the image sensor, reduce total assembly tolerances of the camera module thereby improving imaging quality, and reduce manufacturing cost to benefit the popularization in industries.

Abstract: A camera module includes a lens assembly, a voice coil motor assembly for receiving and driving the lens assembly, and an image sensor assembly located below the voice coil motor assembly. The voice coil motor assembly comprises a bottom unit that is hollow and a color filter supported by the bottom unit, the color filter, the lens assembly and the image sensor assembly are coaxial, the bottom unit has an upper portion and a lower portion that are integrated together, the upper portion is configured around the lens assembly, and the bottom unit is configured below the lens assembly and supports the color filter. The camera module has simple structure and convenient assembly, can reduce total assembly tolerances of the camera module, achieve an accurate optical axis alignment between the lens and the image sensor, and reduce manufacturing cost to benefit the popularization in industries.

Abstract: Provided are service sending, receiving methods and devices.

Abstract: A lens assembly includes a lens holder and a lens barrel that are coaxial and integrated in a unity, a cavity is defined therein to receive at least one lens, at least three guiding legs are extended from a bottom of the lens holder, and the guiding legs define a plane that is parallel to an installation plane of the lens. It can achieve an accurate optical axis alignment between the lens and the image sensor, reduce total assembly tolerances of the camera module thereby improving imaging quality, and reduce manufacturing cost to benefit the popularization in industries.

Abstract: A method for bandwidth map update includes: after receiving a bandwidth report carried by a control frame, a master node newly establishing a bandwidth map, newly establishing a resource state table, and setting all resource states in the newly established resource state table to be available; adding a cross-master node transport channel drop allocation structure of the newly established bandwidth map in accordance with a cross-master node transport channel add allocation structure of a bandwidth map to be updated, and updating the resource state table; according to the bandwidth report carried by the control frame, allocating a wavelength and an optical burst timeslot one by one to a current bandwidth request, adding wavelengths and optical burst timeslots to the newly established bandwidth map, generating a new bandwidth map, and updating the resource state table; and distributing the control frame carrying the new bandwidth map to slave nodes hop by hop.

Abstract: Provided are service sending, receiving methods and devices.

Abstract: Provided are a method and device for processing a service crossing the master node, which relate to the communications field, and solve a problem of a resource conflict caused by the service crossing the master node in the OBTN. The method comprises: when assigning a bandwidth for a service requested by each node within the present DBA period, a master node selects a processing strategy; the master node eliminates, according to the selected processing strategy, a resource conflict caused by the service crossing the master node, and assigns a bandwidth to the service requested by each node. The technical solution provided by the present disclosure is applicable to the OBTN, thereby implementing highly reliable OBTN resource scheduling.

Abstract: A method for bandwidth map update includes: after receiving a bandwidth report carried by a control frame, a master node newly establishing a bandwidth map, newly establishing a resource state table, and setting all resource states in the newly established resource state table to be available; adding a cross-master node transport channel drop allocation structure of the newly established bandwidth map in accordance with a cross-master node transport channel add allocation structure of a bandwidth map to be updated, and updating the resource state table; according to the bandwidth report carried by the control frame, allocating a wavelength and an optical burst timeslot one by one to a current bandwidth request, adding wavelengths and optical burst timeslots to the newly established bandwidth map, generating a new bandwidth map, and updating the resource state table; and distributing the control frame carrying the new bandwidth map to slave nodes hop by hop.