141 results about "Home Node B" patented technology

Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method uses three sets of protocol layers: a security layer, a transport layer, and a layer for transferring Radio Access Network Application Part (RANAP) messages, to communicate between the network controller and one of the access points. The method also uses the Iuh interface for the transport of messages across the three sets of protocol layers.

A method of handing over in a communication system that includes a first wireless communications system that has a core network and a second wireless communications system that includes several short range access points using licensed wireless frequencies and a network controller for communicatively coupling a user equipment to the core network. The method determines, by a first access point, to handover the UE to a second access point. The UE has at least one ongoing session with the core network through the first access point. The method sends a relocation required message to the network controller. The relocation required message includes a domain identifier for said message. The method receives a relocation request message from the network controller. The method receives a relocation command message from the network controller for causing the UE to handover from the first access point to the second access point.

Some embodiments provide methods and systems for integrating a first communication system with a core network of a second communication system that has a licensed wireless radio access network. The first communication system includes one or more user hosted access points that operate using short range licensed wireless frequencies in order to establish service regions of the first communication system and a network controller for communicatively coupling the service regions to the core network. The first communication system includes a Home Node-B (HNB) system where the access points are Home Node-Bs and the network controller is a HNB Gateway (HNB-GW). Some embodiments define multi-layered protocol stacks for implementing management functionality and control plane functionality for the access points and the network controller. The HNB is connected to the HNB-GW via the Iuh interface. The Iuh management functionality is provided via a HNBAP protocol layer and control plane functionality, such as relay of RANAP, is provided via a RUA protocol layer.

Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. Some embodiments provides a method of user equipment registration with a closed subscriber group (CSG) where a network controller receives a registration request for a UE from an access point including an initial non-access stratum (NAS) message from the user equipment and a CSG identifier (CSG-ID). The network controller forwards the NAS and CSG-ID the core network. The method receives, at the network controller, a permanent identifier from the core network and completing registration. The method uses the permanent identity of the UE to complete the ULE registration.

Systems and methods are disclosed that provide femto-based wireless coverage in a communication network. This can involve providing an interworking function that communications with a femto base station or femto cell to provide connectivity to the core network. The interworking function can provide service and mobility management where a femto cell (such as a home node B (HNB)) is served concurrently by an IMS core and a legacy core. The interworking function can also provide service through a femto cell to a variety of mobile nodes such as legacy devices and IMS capable devices. The interworking function also provides the ability for handoffs to occur between the core networks and between a femto cell and a macro cell.

A method of handing over in a communication system that includes a first wireless communications system that has a core network and a second wireless communications system that includes several short range access points using licensed wireless frequencies and a network controller for communicatively coupling a user equipment to the core network. The method receives a relocation required message when a first access point determines to handover the UE to a second access point. The UE has at least one ongoing session with the core network through the first access point, the relocation required message includes a domain identifier for the session. The method sends a relocation request message including the domain identifier to the second access point. The method sends a relocation command message to the first access point for sending to the UE to handover from the first access point to the second access point.

Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method enables an unauthorized user equipment to call from an access point it is not allowed to use for emergency purposes. The method receives at an access point a service request from an unauthorized user equipment with an establishment cause of emergency call. The method sends a registration request to the network controller. The method sends a message to the core network indicating the location of the user equipment.

Systems and methods for performing a cellular call handover from a home node b (HNB) to a macro cellular communication node (e.g., a base station or radio access network) are disclosed. An interworking function (IWF) is provided in the HNB and acts as an anchor mobile switching center (MSC) for a user device served by the HNB, and communicates with a visited MSC for the HNB. The IWF sends a request to a target MSC (which may be the visited MSC) serving the HNB, to handover the call to the macro node. The call is then handed over to the macro communication node by the target MSC. In this manner, the IWF facilitates providing the described handover in conformity with existing 3GPP standards, without requiring additional standards to be generated and without requiring additional system components.

There is proposed a mechanism providing functions of a so-called hybrid home node B (HHNB) where subscribers, depending on their belonging to a specific subscriber group, such as a closed subscriber group or an open subscriber group, are admitted for a connection to the communication network via different connection routes and systems. After a request for connecting a subscriber is received, an identification process is performed whether the subscriber belongs to a first subscriber group (CSG) or to a second subscriber group (OSG). On the basis of this identification, the subscriber is assigned to a first connection route or a second connection route. It is then checked whether available resources on the assigned connection route are sufficient, wherein on the basis of this check the request for connecting is allowed or rejected.

A resource allocation method for reinforcement learning in an ultra-dense network is provided. The invention relates to the field of ultra-dense networks in 5G (fifth generation) mobile communications and provides a method for allocating resources between a home node B and a macro node B, between a home node B and another home node B and between a home node B and a mobile user in a dense deployment network; the method is implemented through power control, each femotcell is considered as an intelligent body to jointly adjust transmitting powers of home node Bs, the densely deployed home node Bs are avoided causing severe jamming to a macro node B and an adjacent B when transmitting at maximum powder, and system throughput is maximized; user delay QoS is considered, and traditional 'Shannon capacity' is replaced with 'available capacity' that may ensure user delay; a supermodular game model is utilized such that whole network power distribution gains Nash equilibrium; the reinforcement learning method Q-learning is utilized such that the home node B has learning function, and optimal power distribution can be achieved; by using the resource allocation method, it is possible to effectively improve the system capacity of an ultra-dense network at the premise of satisfying user delay.

The embodiment of the invention discloses a method, a device and a system for controlling the power of a home Node B. The method for controlling the power of the home base station comprises the following steps of: determining that user equipment (UE) enters a micro-cell under the coverage of signals of the home Node B (HNB); determining that the UE does not have an authority to access to the HNB;acquiring a measurement report of the UE, wherein the measurement report comprises macro-cell signal quality information of the position of the UE; and determining that the signals of the micro-cell generate same frequency interferences to the signals of the macro-cell according to the macro-cell signal quality information, and reducing the transmitting power of the HNB. By applying the technicalscheme of the embodiment of the invention, when the unauthorized UE enters a coverage area of the micro-cell of the HNB, the transmitting power of the HNB is adjusted according to the signal quality of the macro-cell in which the UE is positioned so as to reduce the interferences caused by the HNB to the macro-cell and reduce drop-call phenomena of the unauthorized UE in the coverage area of the micro-cell of the HNB.

A system and method for allowing legacy circuit switch user equipment (CS UE) to operate via a packet switch system, such as an IP Multimedia Subsystem (IMS) system, is provided. The mobility and session control aspects of communications with the legacy CS UE is separated. A user agent is placed in the receiving node (e.g., a home node B) that acts as the SIP agent for the CS UE for session control. An interworking function is provided to allow mobility between the macro CS network and the PS (e.g., IMS) network. Hand-back and hand-in procedures with service continuity are also provided.

A system and method for providing user equipment (UE) mobility between a packet-switched system and a circuit-switched system is provided. In an embodiment, handover from a circuit-switched connection via a 3G Home Node B (3G HNB) to a circuit-switched connection via a Base Station System (BSS) is provided. In another embodiment, handover from a packet-switched connection via the 3G HNB to a circuit-switched connection via a BSS is provided. In yet another embodiment, handover from a packet-switched connection via a Long Term Evolution (LTE) access point to a circuit-switched connection via a 3G HNB is provided. Once handover is completed, an Interworking Function (IWF) is provided that acts as a Session Initiation Protocol (SIP) for translating circuit-switched signaling messages to SIP messages for packet-switched signaling. The bearer path comprises a circuit-switched bearer path to a Media Gateway (MGW), which provides a packet-switched bearer path toward the remote end.

Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method sends a registration request from an access point to a network controller with location information and an identifier for the access point. The method receives at the access point a response when the access point is permitted to access the services of the network controller.

The invention discloses a self-organization system and a method, which are used for achieving safe network access of a home NodeB and have self-organization characteristics. The system comprises a home NodeB; a home NodeB configuration server interacting with the home NodeB for providing a configuration data information and the version information of the home Node B to the home NodeB; a home network controller for receiving scan reports formed by scanning the information of a neighboring region by the home NodeB after the home NodeB achieves the system configuration according to the configuration data information and the version information, and selecting and distributing carrier frequencies, scrambling codes and a neighboring region list for the home NodeB; and a secure gateway for authenticating the home NodeB and for respectively constructing channels between the home NodeB and the home NodeB configuration server and between the home NodeB and the home network controller. The system can achieve safe network access of the home NodeB and has self-organization characteristics.

A system and method for allowing legacy circuit switch user equipment (CS UE) to operate via a packet switch system, such as an IP Multimedia Subsystem (IMS) system, is provided. The mobility and session control aspects of communications with the legacy CS UE is separated. A user agent is placed in the receiving node (e.g., a home node B) that acts as the SIP agent for the CS UE for session control. An interworking function is provided to allow mobility between the macro CS network and the PS (e.g., IMS) network. Hand-back and hand-in procedures with service continuity are also provided.

The invention discloses a method and a system for realizing control of quality of service, wherein the method comprises the following steps that: SeGW reports corresponding relation information between IPsec tunnel information and IP (Internet Protocol) data stream information in the descending direction to a fixed-network element by a second network element; the SeGW or a first network element reports corresponding relation information between IPsec tunnel information and IP data stream information in the ascending direction by the second network element to the fixed-network element by a second network element; and QoS (Quality of Service) control is controlled by the fixed-network element. In the invention, the condition that the QoS separation is realized for different services when a terminal is accessed from a HeNB/HNB (Home Enhanced Node/Home Node B) can be ensured, the QoS requirement of the services with high QoS requirement is preferably met, and the user experience is improved.

Some embodiments are implemented in a communication system that includes a first communication system comprised of a licensed wireless radio access network and a core network, and a second communication system comprising a plurality of user hosted access points and a network controller. In some embodiments, each access point operates using short range licensed wireless frequencies to establish a service region. In some embodiments, the network controller communicatively couples the core network to the plurality of access points. The method creates a data structure comprised of a header with a core network domain identity and a context identifier, and payload data which contains the RANAP message.

The invention discloses a method and a device for positioning a home node B (HeNB), which relates to the field of communication and is used for accurately mastering the position information of the HeNB. The method comprises the following steps that: the HeNB sends a positioning request message to an evolved serving mobile location center (E-SMLC) based on an S1 interface, the E-SMLC instructs theHeNB to perform positioning measurement, and the HeNB is positioned according to a positioning measurement result returned by the HeNB so as to acquire the position information of the HeNB; and the HeNB receives a positioning response message from the E-SMLC based on the S1 interface, and determines the physical position of the HeNB according to the position information carried in the positioningresponse message. Therefore, based on an S1 interface protocol and a lightweight presentation protocol (LPP), the interactive process between the HeNB and the E-SMLC is redefined so as to accurately position the HeNB, perform effective management on the premise of promptly mastering the specific distribution condition of the HeNB, and ensure system performance.

The invention relates to a user access control method comprising the following steps: a home base station sends information to a home base station gateway, wherein the information includes the information on the measurement of surrounding cells by user equipment (UE) and the non-access stratum (NAS) information which is sent to a core network node by the UE; the home base station gateway analyzes the NAS information so as to obtain the user identification contained in the NAS information; the home base station gateway compares the user identification and a user group list and decides if the UE is allowed to be accessed; and the home base station gateway sends the response of NAS information to the home base station and informs the home base station of the UE access indication. The invention simplifies the complexity of a home node B (HNB), improves the safety performance of the HNB and enables the user to reside in the HNB under the condition of the coverage of a micro cell nearby or reside in the micro cell.

A method of cell updating system that includes a first wireless communications system that has a core network and a second wireless communications system that includes several short range access points using licensed wireless frequencies and a network controller for communicatively coupling a user equipment to the core network. The UE has one or more active sessions on a first access point. There is no dedicated radio channel between the ULE and the first access point. The method receives a cell update message from the UE. The method sends a cell update request message from the second access point to the network controller. The cell update request message is for sending from the network controller to the first access point to request information for handling the cell update message received by the second access point. The method receives a cell update response message from the network controller.

The embodiment of the invention relates to wireless communication technologies, in particular to an X2 connection negotiation method, an X2 connection negotiation system and a base station, which are used for solving the problem in the prior art that two home nodes B (eNB) simultaneously transmit X2 establishment request messages to opposite terminals. The method of the embodiment of the invention comprises the following steps of: when one eNB determines a simple control transmission protocol (SCTP) link establishment conflict in an X2 connection establishment process, comparing own comparison identifier with the comparison identifier of the opposite terminal; when the eNB is determined to be a client, transmitting the X2 establishment request message to the opposite terminal according tothe comparison result; and when the eNB is determined to be a server, receiving the X2 establishment request message from the opposite terminal according to the comparison result. The method of the embodiment of the invention can avoid the two eNBs simultaneously transmitting the X2 establishment request message to the opposite terminals to further avoid a conflict between operating modes of the two eNBs causing the condition of X2 connection establishment failure and further increase the success rate of X2 connection establishment.

The invention discloses a method and equipment for controlling interference. The method comprises the following steps: a home base station detects the uplink interference; when the uplink interference is determined to be present according to detecting results, the home base station determines a downlink slot with interference to user equipment (UE); and the home base station controls the interference according to the interference condition of the downlink slot. In the embodiments of the invention, according to the uplink interference measured from a home base station cell or the downlink interference condition measured by the HUE (home user equipment), power can be limited or resources can be adjusted for different downlink slots respectively, so as to reduce or avoid the interference to macro UE by HNB (home node B) downlink. In addition, the influence on the performance of the home base station cell can be reduced as much as possible on the basis of ensuring the performance of the macro UE.