摘要:
This invention concerns a process and a system for providing location information for a wireless unit in a wireless network to a location-based service provider, using a data network. In particular, the location information is provided to the location-based service provider without necessarily providing the identity of wireless unit, e.g., a subscriber's wireless identification number, to the service provider. In this regard, a subscriber's identification number may be hidden from the positioning service provider via a process in which an alias is used instead of the subscriber's normal identity. The subscriber's number may further be concealed from the service provider via a process wherein encrypted information is used instead of the subscriber's normal identity.
摘要:
A set top box (50) is enabled to handle in IMS services by providing a script-based IMS application (40) run in a declarative application environment (54) of the set top box (50) to effectuate IPTV session signaling between an IMS gateway (20) and the embedded OITF system (56) of the set top box (50). As a consequence, not only set top boxes (50) preconfigured with and having installed native IMS functionality can provide IMS services to users within a home network (1).
摘要:
A session management involves registering at least one IPTV application (54) in a registration table (170) so that the registration table (170) comprises at least a respective identifier of the IPTV applications (54). The IPTV applications (54) are invokable at a set top box (50) and can be so-called embedded applications and/or browser-based applications. An event requiring the invocation of an IPTV application (54) at the set top box (50) is detected and triggers a look-up in the registration table (170). The registration table (170) is, thus, used as source to indicate those IPTV applications that are potentially available and can be launched at the set top box (50). One of the registered applications (54) and is launched for the purpose of handling the detected event.
摘要:
A method and apparatus for providing a packet switched television guide such as an Electronic Program Guide or an Electronic Service Guide to a user. An Application Server receives and stores preferences relating to a packet switched television guide. When the Application Server subsequently receives a new or updated packet switched television guide from a packet switched television Guide Application Server, the Application Server filters elements of the packet switched television guide according to the preferences to remove information not relevant to a user associated with the preferences. The filtered packet switched television guide is then sent to the user. In this way, only relevant information is sent, which can reduce the bandwidth required in sending packet switched television guides, the frequency at which packet switched television guide updates need to be sent, and also the processing required by the user's receiving equipment in filtering out irrelevant information from the packet switched television guide.
摘要:
A method and system for locating mobile stations within a mobile communication network including at least two mobile stations and at least three base stations. Signal measurements are performed at the mobile stations and/or the base stations. Two or more mobile stations are located simultaneously by minimizing a cost-function, which is achieved by means of a sufficient number of equations, wherein the equations comprises the location of the mobile stations as a function of the location of one of the base stations in the network and the performed signal measurements.
摘要:
A system and method for improving the accuracy of a location estimation measurement within a telecommunication system is disclosed. Transmissions from surrounding base transceiver systems are received by a reference location device and any inter-base transceiver system timing differences resolved. A location estimate of the mobile station within the telecommunications system is then obtained.
摘要:
A method and system for use in determining the position of a mobile terminal in a CDMA mobile communications system is disclosed, whereby a different than usual spreading code is used when TOA measurements are being performed, but information is allowed to be transmitted while those TOA measurements are being performed. In one embodiment, the length of the different spreading codes used is equal to one symbol length. In a second embodiment, a mobile terminal uses a long spreading code and short spreading code prior to making TOA measurements. When TOA measurements are to be made, the serving base station orders the mobile terminal to change the spreading code by terminating the use of the long code and continuing use of the short code. Alternatively, when the TOA measurements are to be made, the serving base station orders the mobile terminal to substitute a second, predetermined short code for the long code being used, and to continue use of the first short code. The TOA measurements are then performed in at least three base stations, and the position of the mobile terminal is derived from this TOA information. The serving base station then orders the mobile terminal to resume normal operations using the long code.