摘要:
The present invention relates to a method for a user equipment for operating in a first cellular network supporting unlicensed spectrum access, the user equipment camping on a first base station of the first cellular network, the user equipment maintaining a first set of configuration parameter of the cellular network, the method comprising for the user equipment the steps of: - measuring strength of signals transmitted by the first base station, - measuring strength of signal transmitted by at least one of a set of neighbor base stations operating in unlicensed spectrum, - determining a second set of configuration parameter corresponding to the cellular network that at least one second base station out of the set of neighbor base stations is part of, by retrieving said set of configuration parameter from said second base station, - considering said at least one second base station for cell re-selection under the conditions: - the measured signal strength for said at least one second base station is higher than said measured signal strength of first base station, and - said determined second set of configuration parameter corresponds to said maintained first set of configuration parameter, - carrying out a cell selection to said second base station when said conditions apply.
摘要:
The present invention relates to a method for securing a direct communication connection between a first and a second user equipment, both configured to operate with at least one of a plurality of base stations of a wireless network, the first user equipment maintaining an authentication code received from a first security center accessible via the wireless network, said first security center being assigned to a first area, the method comprising the steps for the first user equipment of: -maintaining a trust level of the authentication code, -reducing the trust level relating to the time of last access to one of the base stations of the wireless network, -submitting to the second user equipment the authentication code and the trust level, for setting up the direct communication connection, in case of reception of a confirmation transmission from the second user equipment: -setting up the direct communication connection with the second user equipment.
摘要:
The present invention relates to a method for operating a wireless communication device in a cellular network, the wireless communication device comprising a communication unit comprising a radio mode decision unit and a transceiver unit, the radio mode decision unit further maintaining a set of network operation modes, the method comprising the steps of, for the communication unit: ascertaining at least one communication behavior parameterization conforming to a preconfigured communication behavior demand of the cellular network, for the radio mode decision unit: determining for an imminent data exchange session of the wireless communication device with the cellular network by means of the transceiver unit, one of said network operation modes by taking into account said at least one communication behavior parameterization.
摘要:
The present invention relates to a method for data transmission in a cellular network from a wireless device, the cellular network comprising a plurality of base nodes, the plurality of base nodes comprising an active base node, which is the base node the wireless device is currently associated to, the wireless device being configured to transmit data according to a periodicity related transmission mode to the active base node, the method comprises the steps of: - providing information from wireless device to the active base node relating to periodicity of said data transmission, - responding at the active base node to the wireless device comprising an indication relative to assigned resources for multiple transmissions, - setting a timer at the active base node relating to said periodicity, - upon expiration of the timer, reserving resources at the active base node for reception of the data transmission from the wireless device, - transmitting data from the wireless device to the active base node according to the periodicity, - receiving transmitted data at active base node, - conducting an acknowledging procedure at the active base node in response to said data reception.
摘要:
The present invention relates to a method for operating a wireless device (1) in a wireless network (5), the wireless network (5) being configured to transmit signalling intended to be decoded by wireless devices (1) according to a periodic time pattern, wherein the operating method is such that the wireless device (1) is configured to communicate with at least one remote device (6) by means of the wireless network (5) according to a predefined schedule defining realtime windows (23), this communication according to the predefined schedule comprising the steps of: - when operating inside said realtime window (23) - decoding signalling originated from the wireless network (5) according to the periodic time pattern and - when operating outside said realtime window (23) - ignoring signalling originated from the wireless network (5) and - whenever operating inside or outside of said realtime window (23), when information to be sent to the remote device (6) is available initiating communication to said remote device (6).
摘要:
The invention comprises an operating method of a terminal device, which is configured for radio communication via different frequency bands, in performing a network scan, the method comprising: receiving a command for starting a network scan (S10); in response to receiving the command, attempting a synchronization with predefined control channels on all frequency bands receivable by the terminal device or on a subset thereof comprising a plurality of the frequency bands (S20), and, upon successful synchronization with a respective one of the control channels, ascertaining respective network-configuration information provided via the respective control channel by a respective network (S22); determining (S24), using the network-configuration information ascertained, an estimate of a quantity indicative of an achievable data throughput, hereinafter throughput estimate, associated with the respective ascertained network-configuration information; generating and providing an output, which is indicative of at least one of the determined throughput estimates for the respective network configurations (S28).
摘要:
The invention relates to a radio device, comprising: -a communication unit, which is configured to communicate with an allocated access-cell node of an access cell of a cellular radio access network; -a transmission scheduling unit, which is configured -to initiate transmissions of application data between the radio device and the access-cell node in accordance with a predetermined application transmission schedule defining at least one allowed transmission time span, in terms of a week, a day or a time of day for the transmission of the application data, -to select a point in time for initiating the transmission of the application data within the respective current allowed transmission time span in dependence on a traffic condition to be fulfilled.
摘要:
This invention related to a method for sharing by a wireless communication network a security context with a plurality of connected devices belonging to a group, the security context comprising at least one data element used to secure data exchanges between the connected devices and the wireless communication network, the security context being broadcasted enciphered by the wireless communication network using a broadcast channel such that only the connected devices belonging to the same group are able to read it, the method comprising the steps: authenticating (200) a subscription used; providing (204) the registered connected device CD with a set KRG of at least one security key associated to this group G, allowing the connected device G to decipher the security context associated to group G, and to use the security context to exchange data with the network without requiring further authentication.
摘要:
The present invention relates to a network node for a cellular network, the cellular network being configured to support at least two radio access technologies in an interworking relationship,wherein the network node is configured to support a first of said radio access technology to at least one user equipment camping on the network node, and to interwork with at least one network node of the second of said radio access technologies, upon reception of a request message from said user equipment, said request message comprising at least one service related criterion,the network node is configured to determine the service suitability based on said at least one service related criterion for the first and the second radio access technology, and if the service suitability of the second radio access technology is higher than the service suitability of the first radio access technology, redirect the user equipment to a second network node of the cellular network supporting said second radio access technology.
摘要:
The present invention relates to a method for data transmission between a user equipment operating in a cellular network for wireless communication, and a control terminal accessible from the cellular network, wherein the user equipment operates in a communication connection to the control terminal by means of at least a first and a second wireless carrier, with one of the control terminal and the user equipment acting as transmitting apparatus, the other as receiving apparatus, wherein the transmitting apparatus is sending a content record at least as at least a first data packet over the first wireless carrier and as at least a second data packet over the second wireless carrier,the method comprising the steps for the receiving apparatus of: -attempting to receive the first data packet over the first wireless carrier and the second data packet over the second wireless carrier, -sending over the first and second wireless carrier each a success indication message to the transmitting apparatus indicating whether at least one of the first and second data packet was successfully received.