48results about How to "Implement roaming" patented technology

The invention provides a wireless fetus monitoring probe network system, which comprises a central station, a router, base stations, a wireless local area network and a client, wherein the central station manages the data of a user, performs monitoring operation, management of a probe sensor and uniform management and setting of the base stations manages and receives data from the base stations through routing, performs centralized display, stores monitoring data, processes monitoring data, and is responsible for giving an alarm in case of data error or other abnormal conditions; and the basestations are distributed in a hospital to form a cellular network, signals cover the required areas between the stations seamlessly, the client comprises at least one probe, the coverage of the base stations forms the wireless local area network together with the probe, the probe transmits data to the base stations through the wireless local area network, and the base stations transmit the data to the central station through the router.

The invention discloses an ocean vessel meteorological information service system based on WEB, which is characterized of comprising a vessel position information server, an electronic ocean map server, an observatory meteorological information publishing server, an ocean meteorological information data server, a WEB server and a customer end; wherein the WEB server is connected with the vessel position information server, the electronic ocean map server and the observatory meteorological information publishing server, is used for reading the ocean map information, the vessel position information and the ocean meteorological information, and is used for distributing the ocean map information, the vessel position information and the ocean meteorological information to the local area network or the internetwork by the means of WEB page; and the customer end is used for browsing, checking and obtaining the ocean vessel position information, the ocean map information and the various meteorological information around the ocean map information distributed by the WEB server with a web browser. The WEB electronic ocean map is a platform which can be added with the vessel information, and is convenient for customers to know the vessel position and the correlative information, thereby being very suitable for being widely popularized in the shipping industry.

The invention discloses a terminal roaming method and system in a narrowband wireless digital communication system. The method comprises the steps of detecting signal strength in an idle state; determining whether a terminal initiates a transmission service, if yes, starting active roaming, and if not, starting passive roaming; searching, based on a roaming list, a channel with signal strength greater than or equal to a weak signal threshold, locking the channel and residing; failing to find an instruction indicating transmission failure, and switching to passive roaming; scanning the roaminglist circularly, determining whether a channel with signal strength greater than a strong signal threshold exists, if yes, locking the channel and residing; if not, finding out a channel with highestsignal strength in the roaming list and determining whether the signal strength of the channel is greater than the weak signal threshold, if yes, locking the channel in which the signal is and residing, circularly scanning whether the signal strength of the channel is greater than the weak signal threshold in residing period, if yes, recalculating the residing period, and if not, re-switching to passive roaming when the residing period expires. Through adoption of the method, a base station does not need to broadcast information of adjacent base stations, so that the base station does not participate deeply.

The invention discloses a method and a system for sending and receiving a single-card dual-standby service message based on a short message expansion platform. The method for sending the single-card dual-standby service message comprises the steps of: judging whether the number of a called party receiving a first message contains a preset prefix or not by a number attribution information center of a calling party, and if so, sending the first message to a first EMP (Extended Message Platform); acquiring a main number and a second number of the calling part from the first message by the first EMP, and sending the main number and the second number to a single-card dual-standby service system by the first EMP; and converting the main number of the calling party into the second number by the first single-card dual-standby service system to acquire a second message, and sending the second message to the first EMP by the first single-card dual-standby service system. By the adoption of the method and the system for sending and receiving the message, the second number can be used for sending or receiving the message no matter where the calling part and the called part are, so that message sending and receiving in roaming is realized.

The invention relates to a realization method of circuit domain falling and double-mode terminals. The method comprises the following steps that the double-mode terminal which is in an idle state and supports a LTE network / mobile voice network constructs a PAN network; the double-mode terminal served as a PAN network coordination node pairs the double-mode terminal itself and the double-mode terminal served as a coordination node so that connection is established for the two double-mode terminals, and the two double-mode terminals in a pair are ensured to be registered to the LTE network and the mobile voice network respectively; one party of the double-mode terminals in the pair agents another party to complete an adhesion process in the network registered by one party, agents the another party to receive and forwards a received system message and a paging message to the another party; if the double-mode terminal which is in the pair and is registered in the LTE network receives a voice service paging message forwarded by the another party in the pair of double-mode terminals, the mobile voice network is switched to so as to realize circuit domain falling. By using the method and the terminals, roaming of CSFB double-mode terminals among different networks is supported.