57 results about "Public safety network" patented technology

Public safety networks, such as long term evolution (LTE) based public safety networks, can benefit from device to device enhanced voice group call. A method can include serving at least one user equipment. The method can also include controlling device-to-device cluster establishing for the at least one user equipment based on at least one reference signal. This use of device-to-cluster establishment based on at least one reference signal can be applied in various ways, including being applied to group calls.

A communications infrastructure is upgraded to a public safety network that supports wireless communications of emergency information. Communities have installed public safety communications systems such as community warning siren systems that rely on point-to-point communications systems. Each site in the system is upgraded to a node in a wireless network that provides the communications infrastructure for a network-enabled public safety communications system that enables trusted resources such as warning sirens to access the network and communicate with other trusted resources across the network. Additionally, the public safety network may be patched using mobile transceivers to form an ad hoc network in the event part of the infrastructure supporting the emergency response network is lost. Additionally, the upgrading of the communications system may include a public access network that relies on at least some of the same communications sites or nodes employed by the public safety network.

A method and apparatus are provided, for accessing a data-capture device in a different domain, by public safety wireless communications equipment, for the purpose of obtaining information at an incident. A dispatch controller of a public safety wireless communications system receives an access token from a server of a non-public-safety network, when an incident occurs. The token allows access to a data-capture device, and is associated with the incident. The dispatch controller sends the token to the data-capture device, receives a data stream, and forwards the data stream to a public safety wireless communication device. The public safety wireless communication device may itself discover and access the data-capture device, and may receive the data stream directly from the data-capture device. The public safety wireless communication device may forward the data stream and / or the access token to other public safety wireless communication devices.

A communications system for one or more of a community's public safety resources is upgraded to include a public safety network. Assets owned by one of the public safety resources may be controlled over the network from a remote command center that compiles information from the network-enabled resources in the community to enhance the ability of the assets to effectively deployed in an emergency situation. The upgraded communications system at the public safety resources also enables trusted resources, such as the assets owned by the public safety resources, to access the network and communicate with additional trusted resources throughout the community. Additionally, the public safety network may be extended using mobile transceivers to form an ad hoc network in the event part of the infrastructure supporting the network is lost.

The invention discloses a method for connecting a mobile terminal to multiple PDNs (public data networks) through a fixed network and a related device. The method includes that after the mobile terminal is connected to a first PDN through a gateway of the fixed network and when the mobile terminal needs to be connected to a second PDN through the gateway of the fixed network, the mobile terminal sends a DHCP (dynamic host configuration protocol) request to the gateway of the fixed network, the DHCP request carries an identity of the second PDN, and the first PDN is different from the second PDN; the mobile terminal receives DHCP response information sent by the gateway of the fixed network, and the DHCP response information carries an IP (internet protocol) address of the mobile terminal in the second PDN. By the method and the related device, the mobile terminal can be simultaneously accessed to multiple networks through the fixed network, two-layer processing logic of the mobile terminal does not need to be changed, a large amount of configuration work is not needed, and easiness in maintenance is realized.

A method and mobile device are provided that manage a relay service in a public safety wireless communication system. When the mobile device determines one or more of: another mobile device has exited or is exiting a public safety vehicle or another first mobile device is not receiving a signal from a wide area network of acceptable signal quality, the mobile device activates a relay service. In response to activating the relay service, the mobile device announces an availability of the relay service at the mobile device, receives a registration of the another mobile device for the relay service, and, in response to receiving the registration, relays communications between the another mobile device and an access node. In another embodiment, a method is provided for negotiating a provision of a relay service among multiple mobile devices, wherein each such mobile device currently is providing a relay service.

Provided are a method and system for processing a public safety communication. The method comprises: a source D2D device sending a public safety communication request to a target D2D device over a public safety spectrum; the source D2D device and the target D2D device performing mutual authentication / authorization over the public safety spectrum; and in the case where mutual authentication / authorization has been passed, the source D2D device and the target D2D device performing public safety communication over the public safety spectrum. By means of the present invention, the problems of non-uniform technologies for realizing public safety networks, poor interoperability, and high network loads which exist in the related art are solved, thereby achieving an effect that using D2D to realize public safety communication can not only reduce the network load, but can also improve the robustness of public safety communication.

Methods and system are provided for managing and monitoring allocation of RF spectrum resources based on time, space and frequency. A network may be enabled to allocate excess spectrum resources for use by other network providers on a real-time basis. Allocated resources may be transferred from one provider with excess resources to another in need of additional resources based on contractual terms or on a real-time purchase negotiations and settlements. A network may be enabled to monitor the use of allocated resources on real-time basis and off-load or allow additional users depending on the spectrum resources availability. Public safety networks may be enabled to make spectrum resources available to general public by allocating spectrum resources and monitoring the use of those resources. During an emergency, when traffic increases on a public safety network, the public safety networks may off-load bandwidth traffic to make available necessary resources for public safety users.

The present disclosure provides a method of performing up-link transmission at a reduced power. According to the method, system information may be received from a base station. The system information may include one or more of first information on an operating band and second information on an up-link bandwidth. Also, according to the method, a network signal for an additional power reduction may be received from the base station. Also, according to the method, when an operating band indicated by the first information is within a range of 777 MHz to 787 MHz and a bandwidth indicated by the second information is 5 MHz, namely, 777 MHz to 782 MHz, an additionally required power reduction may be determined in order to decrease interference to the band of an adjacently located public safety network according to the network signal, and up-link transmission at the reduced power may be performed.

The invention discloses a safety controllable method for accessing virtual resources by a public network and mainly solves the problems of large potential safety hazard, low reliability, cumbersome work and difficulty in management in the process of accessing the virtual resources by the public network in the prior art. The safety controllable method for accessing the virtual resources by the public network comprises the following steps: a physical node creates more than one virtual network with a private network segment; when a user requests to create a virtual machine, the physical node distributes a fixed IP (Internet Protocol) for the virtual machine in the private network segment of a certain virtual network, adds the created virtual machine into the virtual network and acquires the designated IP; after the virtual machine user designates a network port which needs to be opened, the physical node distributes an idle port from a local port pool and the idle port transmits a network port access request onto the designated port in the virtual network to implement accessing. By the scheme, the safety controllable method for accessing the virtual resources by the public network fulfills the aims of safety, reliability and convenience for implementation and management, and has very high practical value and popularization value.

A communication system is provided that alerts a public safety officer to missed Push-to-Talk (PTT) group calls. The communication system allows a public safety officer's radio to record a last stop working time. A public safety network then can search a missed call list associated with the public safety officer and automatically push a notification of missed PTT group calls to the public safety officer's radio when the radio re-joins the public safety network. Based on the notification, the public safety officer can choose to review or replay any missed calls to avoid missing important information.

According to an information service system and method in the invention, low-power-consumption wireless communication capable of not relaying on mobile base stations or other wireless networks is realized between the existing mobile phone and mobile phone as well as the mobile phone and an object around the mobile phone by utilizing a set of low-power-consumption wireless communication system, thereby enabling a mobile phone user to be able to find friends with common interests easily and quickly within a visible and touchable range through radio frequency identification and communication with other mobile phone users around. According to the information service system and method, position-relevant real-time service information needed by the users and pushed directly to the mobile phone users by a back-stage management computer is directly obtained in a manner that the mobile phone uploads the ID of fixation position labels to the back-stage management computer directly, so that only by utilizing the mobile phones owned by every person, but not by relaying on common show service equipment which needs a huge sum of construction cost and network and power connection, various position information services can be obtained very easily, thereby greatly reducing city intelligentizing and public safety network construction cost.

Methods and system are provided for managing and monitoring allocation of RF spectrum resources based on time, space and frequency. A network may be enabled to allocate excess spectrum resources for use by other network providers on a real-time basis. Allocated resources may be transferred from one provider with excess resources to another in need of additional resources based on contractual terms or on a real-time purchase negotiations and settlements. A network may be enabled to monitor the use of allocated resources on real-time basis and off-load or allow additional users depending on the spectrum resources availability. Public safety networks may be enabled to make spectrum resources available to general public by allocating spectrum resources and monitoring the use of those resources. During an emergency, when traffic increases on a public safety network, the public safety networks may off-load bandwidth traffic to make available necessary resources for public safety users.

A special data splitter and data combiner is shown for low latency emergency and data intensive services so that multiple broadband and wireless networks can be utilized along with public safety networks. Any data session, multimedia or non-multimedia, is split into multiple packet streams with each stream having an identifier wherein some packet streams are sent via the secure public safety network and other streams are sent via other networks of varying characteristics and performance, and a combiner at the other end receiving multiple streams from different networks combines them into a single session.

In an emergency, a gateway application, which has been installed on a mobile communications device, is actuated to advise a public safety answering point (PSAP) in a public safety (PS) network of the emergency, and to disable restrictions on application downloading to the mobile device. Once the emergency has been confirmed by the PSAP, an emergency application, which has been selected by the PSAP, is downloaded to the mobile device. The downloaded emergency application can be executed by the PSAP and / or by a PS person, to remotely control the mobile device to help remedy the emergency. The downloaded emergency application can be removed from the mobile device upon closing of the emergency.

The invention discloses a housing security network supervision system and a supervision method thereof, which are installed in a community, a street, a civil administration department and a housing security department and is connected to the banking system and the public security network. Grass-roots communities collect and publicize basic conditions of security objects and report the same to thestreet, the civil administration department and the housing security management department level by level; the deportments at all levels perform review, identification, materials supplementation, etc.Finally, the housing security management department publicizes and supervises the results of the review and identification, and audits the identification condition and transmits the same to the police and the bank, and the police and the bank respectively feedback the law violation, deposit and credit information of the security objects. The invention has the advantages that the efficiency of housing security management can be greatly improved, the security object can be fully covered for management, and the openness, fairness and notarization of housing security can be realized to a greaterextent.

Described herein are systems and methods for sharing public safety network resources between public safety devices and commercial devices. A request for network resources is received from a commercial device for an application running on the commercial device. It is determined that the request is for a first type of traffic that is tolerant to time delays caused by resource fluctuations. Resources are allocated from a public safety network instead of resources from a commercial network, so that the commercial device can use resources from the public safety network.

The invention discloses a networking method of an LTE private network in the public security field. The method comprises the following steps: independently deploying the LTE private network; deployinga broadband application service in a networking service sub-platform; deploying a security boundary between the LTE private network and a video private network; deploying a firewall between the LTE private network and the networking service sub-platform; deploying a security boundary between the video private network and the networking service sub-platform; deploying a security boundary between the video private network and a police intranet; and deploying a mobile security access sub-platform between the networking service sub-platform and the police intranet. The invention also discloses acorresponding networking system of the LTE private network in the public security field. According to the technical scheme, the networking method and system, under the premise of meeting public safetynetwork isolation requirements, can support new service applications efficiently, comprising but not limited to requirement of service integration of public and private networks and requirement of deployment of police-related APP of private network terminals and the like.

The invention provides a composite identity authentication-based network trading system. The system comprises a verification device and multiple terminals. The system further comprises a privacy database used for recording privacy information of a user, a first private network which records multiple pieces of authentication encryption information, a second private network which records a mapping relationship linked with the privacy database, and a public network; the terminals are linked with the first private network, the second private network and the public network, and corresponding network nodes are formed; the terminals accessing the private network become nodes in the private network, and the application of the multiple nodes further ensures the security of data storage in the private network; and by applying settings of the first private network and the second private network, the universality and security of an information obtaining mode are taken into account while the terminal authentication requirements of different security level settings are met.

A method and mobile device are provided that manage a relay service in a public safety wireless communication system. When the mobile device determines one or more of: another mobile device has exited or is exiting a public safety vehicle or another first mobile device is not receiving a signal from a wide area network of acceptable signal quality, the mobile device activates a relay service. In response to activating the relay service, the mobile device announces an availability of the relay service at the mobile device, receives a registration of the another mobile device for the relay service, and, in response to receiving the registration, relays communications between the another mobile device and an access node. In another embodiment, a method is provided for negotiating a provision of a relay service among multiple mobile devices, wherein each such mobile device currently is providing a relay service.

The invention relates to an interoperability system of cellular network and public security network as well as a blocking rate determining method. A wireless cellular network is provided with an IP multimedia subsystem, and a public security land wireless network includes an access control module and an initial session proxy module. The access control module is connected with an enquiry call session control function node through the initial session proxy module. The method includes: ensuring the state space of the interoperability system and the system current state, ensuring the equilibrium probability of the system, ensuring the session blocking probability of the interoperability system, and carrying out post-treatment according to the conditions for satisfying the session blocking probability. The interoperability system of cellular network and public security network as well as the blocking rate determining method are applied, thereby being capable of performing interoperability between cellular network and public security network, the public security network being capable of fully utilizing the existing cellular network resources, obviously improving the service usability and continuity of the network, and greatly guaranteeing the service quality.

Methods and system are provided for managing and monitoring allocation of RF spectrum resources based on time, space and frequency. A network may be enabled to allocate excess spectrum resources for use by other network providers on a real-time basis. Allocated resources may be transferred from one provider with excess resources to another in need of additional resources based on contractual terms or on a real-time purchase negotiations and settlements. A network may be enabled to monitor the use of allocated resources on real-time basis and off-load or allow additional users depending on the spectrum resources availability. Public safety networks may be enabled to make spectrum resources available to general public by allocating spectrum resources and monitoring the use of those resources. During an emergency, when traffic increases on a public safety network, the public safety networks may off-load bandwidth traffic to make available necessary resources for public safety users.