Patent application number | Description | Published |
20080304830 | PASSIVE OPTICAL NETWORK, EQUIPMENT AND METHOD FOR SUPPORTING MULTICAST SERVICE - A Wavelength Division Multiplexed Passive Optical Network (WDM-PON), an Optical Line Terminal, an Optical Network Unit, a multiplexer/demultiplexer, and a method for realizing multicast service in the WDM-PON are disclosed. The WDM-PON and the method for realizing multicast service according to the present invention can transmit multicast service to be multicasted or broadcasted using a single wavelength, and thus the bandwidth resource of the system can be effectively saved and complexity of the system can be reduced. | 12-11-2008 |
20090175303 | LIGHT SOURCE MODE ALIGNMENT DEVICE AND METHOD, PASSIVE OPTICAL NETWORK SYSTEM - A light source mode alignment device and method and a passive optical network system are provided. The device includes a laser and a temperature control unit connected to each other and further includes a signal processing unit. The laser converts an incident light into a current signal. The current signal is amplified and converted into a voltage signal via a transimpedance amplifier. Together with a modulation signal generated by the signal processing unit, the voltage signal adjusts a bias voltage of the temperature control unit. | 07-09-2009 |
20110026422 | METHOD AND APPARATUS FOR CONTROLLING CARRIER FREQUENCY IN MULTI-CARRIER/CELL SYSTEM - A method and an apparatus for controlling a carrier frequency in a multi-carrier/cell system are provided. The method includes receiving Channel Quality Indicator (CQI) information of a carrier frequency reported by a terminal, determining whether to deactivate or activate the carrier frequency according to the CQI information, and instructing the terminal to deactivate or activate the carrier frequency according to a result of the determining. Thus, a certain carrier frequency is flexibly activated or deactivated in the multi-carrier/cell system through carrier frequency quality reporting and threshold comparison. | 02-03-2011 |
20120089741 | Media link establishment method for transmitting large message mode CPM messages to groups - The present invention provides a method of establishing a media transmission link for transmitting a large message mode Converged IP Messaging (CPM) message to a group. The method comprises the following steps: Session Description Protocol (SDP) media parameter negotiation is accomplished through session invite messages and success response messages among a transmitter CPM client, a source participation function entity, a controlling function entity, a destination participation function entity and a receiver CPM client; according to the negotiation result, media transmission links are respectively established between the transmitter CPM client and the source participation function entity, between the source participation function entity and the controlling function entity, between the controlling function entity and the destination participation function entity, and between the destination participation function entity and the receiver CPM client. The present invention solves the problem that there is a lack of the MSRP transmission link in the large message mode in the prior art. | 04-12-2012 |
20120140750 | Device, method and related device for obtaining service content for personal network equipment - The present disclosure relates to a device and a method for a personal network equipment to obtain content, as well as related devices. In the technical solution of the present disclosure, the requests for the same content from multiple personal network equipments in the same WPAN within the set period of time are combined into a single request, the content is correspondingly sent one time according to the combined single request, and the requested content is distributed to each of the personal network equipments, such that the corresponding content only needs to be sent one time rather than multiple times when the multiple personal network equipments in the WPAN request the same content, thereby saving the transmission resources significantly. Since the same requests are processed in the set period of time, the real-time requirement for the personal network equipment to obtain content is basically not affected while the transmission resources are saved. Furthermore, the request processing unit provided in the present disclosure may be located either at a personal network gateway or at a system side, which provides a flexible choice for specific applications and thus has great practicality. | 06-07-2012 |
20120296937 | METHOD AND DEVICE FOR SEARCHING PERSONAL NETWORK SERVICE - A method and a device for searching a personal network service are provided. The method includes: obtaining a primary keyword used for searching a service content by a Personal Network Equipment (PNE), generating an auxiliary keyword according to configuration information of the PNE, transmitting the auxiliary keyword generated and the primary keyword to a personal network server; and searching the service content by the personal network server according to the auxiliary keyword and the primary keyword, and providing a search result to the PNE; or, obtaining a search result generated by performing a search by a personal network server according to a keyword used for searching a service content by a PNE, generating a filtering condition according to configuration information of the PNE, filtering the search result generated by the personal network server and providing the search result filtered to the PNE. By means of the method, the PNE can rapidly and effectively search the service content interested by a user, and a higher searching accuracy can be obtained. | 11-22-2012 |
20130041995 | Method and System for Managing Service Group - The disclosure discloses a method for managing a service group, which comprises: managing the service group by establishing the service group and an information table thereof and updating the service group and the information table thereof. The disclosure also discloses a system for managing a service group, which comprises: a management unit configured to manage a service group by establishing the service group and the information table thereof and updating the service group and the information table thereof. A service group can be managed conveniently and effectively by using the method and system provided in the disclosure. | 02-14-2013 |
20130041996 | Method and system for managing personal network - The disclosure discloses a method for managing a Personal Network (PN), which includes: realizing a management for the PN by any one of management ways including establishing the PN, releasing the PN, adding a PN device in the PN and enabling the PN device to leave the PN or a combination thereof. The disclosure also discloses a system for managing a PN, which includes a management unit for realizing a management for the PN by any one of management ways including establishing the PN, releasing the PN, adding a PN device in the PN and enabling the PN device to leave the PN or a combination thereof. By adopting the method and system of the disclosure, the management for the PN consisting of a large number of PN devices can be realized. | 02-14-2013 |
20130077521 | METHOD AND DEVICE FOR UPDATING COORDINATED MULTI-POINT TRANSMISSION SET - A method and a device for updating a coordinated multipoint (CoMP) transmission set are provided by the embodiments of the present invention. The embodiments of the present invention can update the CoMP transmission set, and adjust the CoMP coordinated cells flexibly, which is conducive to further improving the overall performance of the cell and the performance of the users at the edge of the cell. | 03-28-2013 |
20130100231 | Method and Meeting Terminal for Adjusting Meeting Place Cameras in a Remote Presentation Meeting System - A method and a meeting terminal for adjusting meeting place cameras in a remote presentation meeting system are disclosed. The method includes: determining a site to be tested in a meeting place (S | 04-25-2013 |
20130181856 | DIGITAL-TO-ANALOG CONVERTER - An embodiment of the present invention provides a digital-to-analog converter including: a primary modulator; a secondary modulator, connected to the primary modulator; a delay unit, connected to the primary modulator; a subtractor, connected to the delay unit and the secondary modulator separately; a first processing module, configured to perform decoding, dynamic matching, and digital-to-analog conversion in sequence on a B-bit digital signal output by the secondary modulator, so as to obtain a first analog signal; a second processing module, configured to perform decoding, dynamic matching, and digital-to-analog conversion in sequence on an (N−B+1) -bit quantization noise signal output by the subtractor, so as to obtain an analog noise signal; and an adder, connected to the first processing module and the second processing module separately, and configured to add the first analog signal and the analog noise signal, so as to obtain and output a second analog signal. | 07-18-2013 |
20140047094 | Method and apparatus for personal-network merging and splitting - The embodiments of the present disclosure disclose technical solutions for a method and apparatus for personal-network merging and splitting, wherein the method for personal-network merging includes that: a user, a server, a service, a personal network device, a personal network gateway or a particular event triggers a personal-network merging; a new personal network gateway is selected for a merged personal network; a personal network device is enrolled in the merged personal network; and the merged personal network is registered on a personal network server. The method for personal-network splitting includes that: a user, a server, a service, a personal network device, a personal network gateway or a particular event triggers a personal-network splitting; a new personal network gateway is selected for a personal network after the splitting; personal network devices are enrolled in personal networks after the splitting respectively; and the personal networks after the splitting are registered on a personal network server. With the method and apparatus of the present disclosure, the problem of personal area network (PN) merging and splitting and in particular merging and splitting of multiple personal networks in a PN can be solved effectively when there are a large number of PNs. | 02-13-2014 |
20140126543 | Method and device for personal-network based seamless handover - An embodiment of the disclosure discloses a method for personal-network based seamless handover, wherein when a personal network gateway receives a service handover request or needs to hand over a service, a target personal network device is selected; and when the target personal network device agrees to perform a service handover, the service handover from an original personal network device to the target personal network device is performed. An embodiment of the disclosure further discloses a device for personal-network based seamless handover, wherein a target selecting unit is configured to select a target personal network device; and a service handover unit is configured to perform a service handover from an original personal network device to the target personal network device when the target personal network device agrees to perform the service handover. With the method and device according to embodiments of the disclosure, it is possible to provide an effective solution for implementing seamless handover of a service within a personal network when service handover needs to be performed. | 05-08-2014 |
20140380052 | Message filtering method and system - A message filtering method and system is provided for enabling a terminal to determine whether a message is true or false. A message server and a mobile network server perform mutual authentication and negotiate with each other for a sequence code for message verification; when transmitting a message to a terminal, the message server contains the sequence code in the message; after receiving the message, the terminal transmits the sequence code to the mobile network server for verification, presents the message for the user if the verification is passed, or rejects the message if the verification is not passed. By verifying the source of a message received using a sequence code, a false message server can be prevented from spreading a false message to terminals. | 12-25-2014 |
20150067741 | METHOD AND DEVICE FOR RECEIVING TELEVISION WIRELESS BROADCAST SIGNAL - The disclosure provides a method and a device for receiving a television wireless broadcast signal. A mobile terminal acquires a geographical location where the mobile terminal is located; the mobile terminal acquires a signal strength corresponding to the geographical location of the mobile terminal from correspondence between a preset geographical location and the signal strength of a television wireless broadcast signal; and the mobile terminal receives the television wireless broadcast signal by using the acquired signal strength. By means of the technical solution, the user experience when the user receives the television wireless broadcast signal is improved. | 03-05-2015 |