Abstract: A method for supporting a handover on the basis of the distance from an intermediate access point to a user equipment includes receiving uplink message set information of the user equipment from a serving base station of the user equipment; receiving the uplink message transmitted by predetermined transmitting power from the user equipment, and detecting the user equipment which has sent the uplink message on the basis of the uplink message set information; determining the receiving power by which said uplink message is received; calculating the distance between the intermediate access point and the detected user equipment by using said predetermined transmitting power and said receiving power; and performing a subsequent handover based on the distance calculated in the previous step.

Abstract: A method, a device and a system for reporting a Minimization Drive Test (MDT) log result are disclosed by the present invention for ensuring that the MDT log result can be reported in time. The method includes: after a User Equipment (UE) is re-accessed to a target cell from a original cell, if the UE still stores locally an unreported MDT log result, a log available indication can be sent to the target cell by the UE itself or by an Evolved Node Base station (eNB) managing the original cell, and a managing device of the target cell is notified to request the unreported MDT log result from UE. Therefore, the MDT log result is continued reporting in the target cell, and the target cell obtains the log available indication of the UE in time, initiates an acquiring request for the MDT log result to the UE timely and obtains the reported MDT log result in time, thus the collection for the environment information of a network is completed and the environment information is obtained exactly.

Abstract: Systems and methodologies are described that facilitate cell search, selection, and reselection within a wireless communication network that includes a home node base station (home nodeB). A user equipment (UE) can detect a home nodeB and communicate such identification to a macro network that includes at least one node base station (nodeB). The detected home nodeB and nodeB can be hierarchically structured in order to prioritize connectivity with the home nodeB over the nodeB. Such prioritization can be implemented by broadcasting home nodeB parameters and macro nodeB parameters having identification information therewith.

Abstract: A method for network reselection by a wireless communication device is provided. The wireless communication device can have an established connection to a first network. The method can include measuring a signal strength and a signal-to-noise ratio of the first network. The method can further include determining that the signal strength satisfies a signal strength threshold. The method can additionally include comparing the signal-to-noise ratio to a signal-to-noise ratio threshold. The method can also include disconnecting from the first network and reselecting to a second network in an instance in which the signal-to-noise ratio does not satisfy the signal-to-noise ratio threshold even though the signal strength satisfies the signal strength threshold.

Abstract: A first user device receives, from a service provider network, digital media content and presents the digital media content to a user. The first user device receives, from the service provider network, an indication that a second user device, associated with an account of the user and providing a higher quality presentation, is available to present the digital media content. The first user device presents a notice to the user that the second user device is available. In one aspect, the notice to the user is be selected by the user to initiate a switch to the second user device.

Abstract: There are provided measures for a pathloss-based access node wake-up control, more specifically a pathloss-based access node wake-up control in a heterogeneous network environment. Such measures exemplarily include a retrieval of an average handover pathloss level between an access node and a neighboring access node, an estimation of an uplink sounding pathloss level between the access node and a terminal, said terminal being connectable to the access node and the neighboring access node, a comparison of the estimated uplink sounding pathloss level and the retrieved average handover pathloss level, and an enabling of a switch-on of the access node from an inactive state in which a transmitter is switched off to an active state in which the transmitter is switched on, when the estimated uplink sounding pathloss level is smaller than the retrieved average handover.

Abstract: A method is provided in one example embodiment and includes evaluating geolocation information associated with a mobile node and using the geolocation information to identify a femtocell capable of providing network access to the mobile node. A primary scrambling code is provided to the mobile node for operation in an idle mode. The method also includes communicating a secondary scrambling code to initiate access to the femtocell by the mobile node when operating in an active mode. In more particular embodiments, the secondary scrambling code is included in a broadcast message that includes a femtocell identifier associated with the femtocell. The femtocell is identified from a plurality of femtocells based on geolocation information associated with the femtocell. The primary scrambling code is part of a range of primary scrambling codes allocated to a plurality of femtocells within a macro network coverage area.

Abstract: This document discusses a method and device for initiating cell measurement. An initiating condition for initiating the measurement of a Closed Subscriber Group (CSG) cell and/or a Hybrid cell is preset by the network side. The measurement of the CSG cells and/or Hybrid cells is initiated by a User Equipment (UE) when the initiating condition is satisfied. The UE automatically initiates the measurement of the CSG cell and/or Hybrid cell when the UE is close to its own footprint area or fingerprint area.

Abstract: Access control for an access point (e.g., a cell of the access point) may be based on an access mode associated with the access point. For example, depending on the access mode, access control may involve performing a membership check for the access point. Such a membership check may be performed at a network entity, a source access point, or some other suitable location in a network. In some aspects, access control may involve performing a membership check for an access point in conjunction with a context fetch procedure. Such a procedure may be performed, for example, when an access terminal arrives at the access point after experiencing RLF at another access point.

Abstract: A method, server and terminal for providing a Voice Call Continuity (VCC) service, are discussed. According to an embodiment, the terminal includes a storage unit to store operator policy information and user preference information, the user preference information including domain selection information specifying a user-preferred domain to be used when originating the outgoing call from the terminal, the operator policy information including domain selection information specifying a network-preferred domain to be used when originating the outgoing call from the terminal; and a controller to perform a domain selection for the outgoing call based on the user preference information or the operator policy information.

Abstract: A method of transmitting information related to a multicast service in a Mobile Telecommunications network is provided. In one embodiment, the information related to the presence of cells in a registration area which are part of a multicast service area for the multicast service is transmitted between radio network controllers. In another embodiment, the information related to the multicast service one or more user terminals have joined is stored in a radio network controller while the user terminal has joined said one or more multicast services.

Abstract: A mobile communication system and method for managing the base station identifiers is provided. The method includes transmitting macro base station information from a terminal to a first pico base station; transmitting a Neighbor Relation Table (NRT) including the macro base station information from the first pico base station to a Self Organizing Network (SON) server; determining, at the SON server, whether a second pico base station using same Physical Cell Identifier (PCI) as the first pico base station exists by comparing a previously stored NRT with the received NRT; and reallocating, at the SON server, upon determining that the second pico base station uses the same PCI as the first pico base station, new PCIs to the first and second pico base stations.

Abstract: A method, apparatus and computer program product are provided in order to trigger a reselection of a serving cell in an instance in which a mobile terminal may be creating neighbor cell interference. Based upon received reselection data, the mobile terminal may release and/or suspend a network resource, such as an enhanced dedicated channel in order to trigger a reselection of a new serving cell. In this regard, a method is provided that includes determining the presence of a reselection condition based on reselection data. In an instance in which the presence of the reselection condition is determined, the method includes causing a network resource to be modified. The method also includes causing a reselection of a serving cell.

Abstract: A method and system for handover of a User Equipment (UE) from a source packet system to a target packet system in a packet switched domain of a wireless communications network while transferring the UE to a circuit switched domain. The target packet system includes a radio access network portion and a first core network portion. The circuit switched domain includes a second radio access network portion and a second core network portion. The UE performs an attachment/registration/update procedure towards the second core network portion and/or a signaling connection establishment before the handover between the source packet system and the target packet system is executed.

Abstract: A method and system for generating alerts based on predicted wireless connection losses. A message is received that includes a first position of a mobile device, an indication of a service being provided to the mobile device via a wireless connection provided by a first bearer, and an mobile device identifier. A direction and speed of the mobile device is received. An amount of time elapsing before the mobile device moves to a second position at which the mobile device experiences a loss of the wireless connection via the first bearer is predicted. An alert that indicates that the loss is occurring in the amount of time is generated. The alert is sent to the mobile device as a response to the message.

Abstract: Embodiments of the present invention disclose a public land mobile network PLMN selection method, including: when a mobile terminal is about to hand over from a first cell to a neighboring second cell, selecting, by the mobile terminal, a preferred PLMN after handover to the second cell; and sending, by the mobile terminal, identifier ID information of the preferred PLMN to a base station controller to which the first cell belongs. The embodiments of the present invention further disclose a mobile terminal, a base station controller, and a core network device. By applying the present invention, the PLMN to which the mobile terminal intends to hand over can be determined properly.

Abstract: A radio access network (RAN) may be configured to identify a set of wireless coverage areas in which to transmit inter-frequency search directives. Identifying the set of coverage areas may involve determining which of the coverage areas defined by the RAN have threshold weaker coverage on one carrier frequency than on another carrier frequency of that coverage area. For each coverage area of the set, the RAN may identify one or more WCDs operating in the coverage area that are operating on the coverage area's carrier frequency that has the weaker coverage. Based on the identifying of the WCDs, the RAN may send to each identified WCD an inter-frequency search directive to cause the WCD to scan for and report to the RAN a measurement of coverage on one or more carrier frequencies other than the carrier frequency on which the WCD is currently operating.

Abstract: A method of handover of a User Equipment (UE) from first to second Radio Access Network (RANs), the second RAN coupled to a Mobility Controller (MC) and having an association with the first RAN, the UE capable of communication with a Session Transfer Controller (STC) via the first and second RANs, includes receiving a first message at the MC from the first RAN requesting handover of the UE to the second RAN, sending a second message from the MC to the STC subscribing the MC to status updates from the STC, said status updates relating to status of a call, receiving one of said status updates at the MC originated by the STC, dependent on a communication via the first RAN from the UE to the STC of a change in the status, and in response to receipt of said status update, updating a call status indicator of the MC.

Abstract: Method, apparatus, and computer program product embodiments are disclosed for managing coexistence of secondary users in RF spectrum. An example embodiment includes selecting by an apparatus, a candidate network controller to which to transfer from a serving network controller, responsibility for resource allocation for a wireless network served by the serving network controller, based on one or more criteria for selection including characteristics of one or more wireless networks served by the candidate network controller; transmitting by the apparatus, to a selected candidate network controller, a request to transfer the responsibility for resource allocation for the wireless network, based on the one or more criteria for selection; and causing by the apparatus, the serving network controller to relinquish the responsibility for resource allocation for the wireless network, if the selected candidate network controller indicates that it will assume the responsibility.

Abstract: Techniques for supporting handover of an emergency call between wireless networks are described. A UE may communicate with a first wireless network (e.g., a 3GPP E-UTRAN) for an emergency call and may receive an indication to perform handover to a second wireless network (e.g., a CDMA2000 1xRTT network). In an aspect, the UE may send a message including an emergency indication (an emergency global number, or a reserved emergency number, or some other indication) to initiate handover to the second wireless network. A designated network entity may recognize the emergency call based on the emergency indication and may map the emergency indication to a local emergency number or an Emergency Session Transfer Number for SRVCC (E-STN-SR), which may be used to establish a new incoming call leg to a network server anchoring the emergency call. The UE may then communicate with the second wireless network via the network server for the emergency call after handover.

Abstract: A radio network controller is operable in both a unicast signaling mode and a bi-cast signaling mode. In unicast signaling mode, the radio network controller is operable to send radio resource control signals to a mobile station through a serving cell. The radio network controller is operable to go into bi-cast signaling mode during a hard handover. In the bi-cast signaling mode, the radio network controller is operable to send radio resource control messages to the mobile station through both the current serving cell and a target cell. The mobile station is configured to listen to both the current serving cell and the target cell for radio resource control messages. User data, however, is transmitted only from the current serving cell to the mobile station.

Abstract: The invention relates to a method and a system of communication between at least one first communications terminal (13) of a first communications network (10) and at least one second communications terminal (14) of a second communications network (11), said first network (10) and said second network (11) being interconnected via an interface device (12). According to the invention the method includes: a step of dynamically calculating a maximum bit rate of data streams in transit between the first and second terminals (13, 14) taking account of bit rates observed in the first network (10) and the second network (11); and a step of processing a request by said first and second terminals (13, 14) for admission of a new data stream, said interface device (12) being adapted to execute said processing taking account of the result produced in said calculation step.

Abstract: In a mobile station for use in a cellular radio system, the mobile station is adapted to increase radio measurements relating to the currently best cell at times when the user is preparing to set up a call in order to increase the likelihood that a mobile station is camping in the correct cell when setting up a call. This is obtained by adding a third mode to the already existing idle and active modes. The additional mode provides for an increased amount of idle mode measurements compared to the conventional idle mode.

Abstract: A mobile station is assisted to perform a handoff from a current access point in a current extended service set (ESS) to a new access point in a target ESS. A HandOver Mediator, possibly in conjunction with a handover server, performs an authentication process and an association process with an access point in the target ESS while masquerading as the mobile station. Parameters resulting from the authentication process and the association process are then passed to the mobile station and the mobile station can perform a handoff to the new access point.

Abstract: The present invention relates to a first node in a wireless communication network. The first node is arranged to communicate with at least one serving node and comprises a served antenna arrangement that is adapted to communicate with said serving node by means of at least one electrically adjustable antenna radiation lobe. The first node is arranged to evaluate communication properties for said serving node Furthermore, the first node is arranged to include antenna gain of the served antenna arrangement when performing said evaluation.

Abstract: Handover parameter settings are automatically adapted in access points in a system to improve handover performance. Reactive detection techniques are employed for identifying different types of handover-related failures and adapting handover parameters based on this detection. Messaging schemes are also employed for providing handover-related information to access points. Proactive detection techniques also may be used for identifying conditions that may lead to handover-related failures and then adapting handover parameters in an attempt to prevent such handover-related failures. Ping-ponging may be mitigated by adapting handover parameters based on analysis of access terminal visited cell history acquired by access points in the system. In addition, configurable parameters (e.g., timer values) may be used to detect handover-related failures.

Abstract: Disclosed is method for measuring a home cell in a mobile telecommunications system, comprising acquiring, at a network, position data indicative of the position of a first user equipment, determining whether the first user equipment is close to the home cell by using the acquired position data, sending a cell measurement control message from the network to the first user equipment via a base station specifying measurements of said home cell, performing a fine position measurement at the first user equipment, determining at the first user equipment whether the first user equipment is close to the home cell, based on said fine position measurement; and taking measurements of said home cell at the first user equipment when the first user equipment is close to the home cell.

Abstract: The present invention relates to a handover method for a mobile communication system. The handover method according to the present invention informs a current state to a serving base station(BS) when a re-entry process has been delayed or a handover has failed due to an error occurred in the handover procedure during handover, and receives from the serving BS a status information response message containing available interval and unavailable interval reset information and link disconnection time reset information for extending the link disconnection time. So, the present invention minimizes or prevents a handover delay or extend a link disconnection time with the serving BS, thereby allowing a terminal to receive a continuous service even during the handover procedure.

Abstract: A serving cell sends to user equipments (UEs) indications of frequency bands supported by neighbor cells/frequencies, at least one individual neighbor cell/frequency supporting a plurality of frequency bands. The neighbor cells/frequencies are filtered by the UE to retain only those that are indicated to support a frequency band or frequency bands which are also supported by the UE. The sent indications comprise, for each respective neighbor cell/frequency, one absolute radio frequency channel number (ARFCN) associated with the respective neighbor cell/frequency and the frequency band or bands associated with the respective neighbor cell/frequency. Examples are given of various system information blocks for sending the frequency band indications to the UE. In one embodiment they are arranged in an information element IE having an entry for each of the neighbor cells/frequencies and a list of frequency bands for each entry.

Abstract: A management unit manages a plurality of multiservice communication devices capable of communicating via a plurality of networks. The management unit includes a device interface for facilitating a bidirectional data communication with the plurality of multiservice communication devices via a wireless control channel, the bidirectional data communication including outbound control data sent to at least one of the plurality of multiservice communication devices and inbound control data received from at least one of the plurality of multiservice communication devices via either a logical or physical control channel. A network interface receives network resource data from the plurality of networks. A management processing unit includes a local agent that gathers environmental data, wherein the management processing unit processes the inbound control data, the environmental data and the network resource data and that generates the outbound control data in response thereto.

Abstract: Initiating a virtual presence at a physical access point in response to a request for a service from a wireless access device is provided. A particular wireless service may be provided to a subscriber on an on-demand basis according to location and/or type of service requested. The service may be terminated when demand for the service comes to an end whereby a common wireless service infrastructure may be shared amongst service providers thus eliminating the need for radio channel coordination and otherwise enhancing service quality for those service providers.

Abstract: Device, system, and method of phone call placement. A method of placing a phone call from a mobile phone includes: receiving a user command to initiate a phone call from said mobile phone using a cellular network; diverting said phone call to be carried by a detected network element of a non-cellular wireless network, instead of by said cellular network; wherein the diverting is based on at least one of: a Media Access Control (MAC) address of a detected network element of said non-cellular wireless network, an Organizationally Unique Identifier (OUI) of a detected network element of said non-cellular wireless network, or a Session Initiation Protocol (SIP) account configuration data of a detected network element of said non-cellular wireless network.

Abstract: Embodiments of the present invention provide a handover method and system in a relay network, a relay node, a control base station and a base station. The method includes: receiving, by a relay node, a first area identifier that identifies the relay node; sending a system information broadcast message carrying the first area identifier to a terminal in a coverage area; receiving a handover request message forwarded by a control base station; and performing, according to the handover request message, a control operation of accessing the relay node on the terminal. The first area identifier that identifies the relay node is allocated to the relay node, so that the terminal in the relay network can be normally handed over from the base station to the relay node.

Abstract: Method and apparatus for decoding is provided. A decoding channel IDentity (ID) of a Dedicated Physical Control Channel (DPCCH) and a decoding channel ID of an Enhanced DPCCH (E-DPCCH) of a user are acquired according to a user ID of the user; Transport Format Combination Indicator (TFCI) symbols in the DPCCH and Enhanced TFCI (E-TFCI) symbols in the E-DPCCH are de-mapped, and the de-mapped symbols are stored according to the decoding channel ID; and a symbol queue to be decoded is selected according to priorities of symbol queues of the DPCCH and the E-DPCCH, symbols corresponding to the selected symbol queue from the de-mapped symbols, and decoding the read symbols are read out.

Abstract: An acknowledgement technique reduces packet-switched communication delays. The technique may be implemented in a mobile communication device with multiple SIMs. The technique facilitates enhanced communication capability for the mobile communication device. In one implementation, the technique helps reduce delays caused by switching between packet-switched and circuit-switched communications. Specifically, in one aspect, the technique reduces delays caused by exponential backoff that may occur during suspension of a packet-switched communication.

Abstract: A method and terminal for controlling Voice Call Continuity (VCC) functions initiated by a network, are discussed. According to an embodiment, the method includes receiving, by a terminal, a VCC function notification message, the VCC function notification message including VCC enabling information indicating whether a VCC function of the terminal is to be enabled or disabled; and enabling or disabling the VCC function of the terminal based on the VCC function notification message.

Abstract: A random access method, an evolved Node B (eNB), and a terminal equipment are provided. The method includes: determining target component carriers to which a User Equipment (UE) is to be handed over, and notifying the UE of information about the target component carriers through a source eNB; and after receiving a dedicated random access preamble sent by the UE, sending a random access response message on at least one component carrier in the target component carriers. The terminal equipment includes: a handover command receiving unit, a sending unit, and a random response receiving unit. Therefore, in a random access procedure of cell handover, the eNB is capable of determining downlink component carriers that a UE monitors, thereby increasing utilization rate of downlink resources.

Abstract: The present invention facilitates handoffs for a mobile terminal in a wireless access network that is capable of supporting different types of handoffs. The different handoff types may include soft handoffs and fast base station switching (FBSS). In operation, context information associated with supporting wireless communications between the wireless access network and the mobile terminal are determined. Based on whether the context information is shared between base stations involved in the handoff or transferred from one base station to another of the base stations involved in the handoff, a particular handoff type is selected from the different handoff types that are available. Selecting the specific type of handoff to use may also be based on the level of context information that is available, the actual content of the context information, application preferences, channel conditions, base station or mobile terminal capabilities, or any combination thereof.

Abstract: The present invention relates to a method for handover of a mobile terminal from a first network to a second network, a network element, a mobile terminal, a base station and a communications system as well as a computer program product and a storage medium. The method comprises the steps of: determining a WDP including an unnecessary handover probability and a missing handover probability according to conditions of the first network and the second network; detecting at least of the following: whether the unnecessary handover probability is greater than the missing handover probability, whether the unnecessary handover probability is greater than a specific threshold and whether the missing handover probability is smaller than a specific threshold; and making a handover decision based on the detection result. The present invention can select a more suitable target network for handover at a more suitable time, thus ensuring the continuity of a mobile user's call.

Abstract: A method for performing a handoff of an active communication connection for a mobile user station from a macrocell to one or more femtocells. In one aspect, the present invention provides an improved handoff for situations in which the mobile user station is moved into an indoor residential or enterprise environment within which the signal strength of the mobile user station with respect to the macrocell base transceiver station becomes relatively low. In one embodiment, the method efficiently performs a handoff of an active communication connection from a macrocell to one or more femtocells while minimizing the likelihood of dropping the active communication connection during the handoff.

Abstract: A multi-hop wireless, for example cellular, communications system is provided comprising a source equipment which may be one of a base station or an end user terminal for transmitting signals towards a destination equipment which may be the other of a base station or an end user terminal via at least one relay equipment. The relay equipment receives a plurality of signals transmitted from one or more source equipments of the system and from this plurality of signals selects a signal to relay. In this way the decision about which relays are included in which communication paths in the system is distributed to the relay equipments of the system, thus reducing the signalling overhead as compared with link state protocols which are typically used for routing in such multi-hop systems.

Abstract: The invention provides a method and system for third party eavesdropping to communications of a target wireless electronic device. The method comprises: providing a private network system adapted to intercept communications of a target wireless device; obtaining communication characteristics of a target wireless electronic device; instructing the target wireless device to obtain measurements of public network cells in the vicinity of the target device; instructing the target device to report the measurements to the private network system; and activating the private network to eavesdrop on communications occurring on the target wireless electronic device by impersonating the target wireless device. While communication occurs on the target device, a handover is induced to a public network cell, and the handover is followed to continue eavesdropping on the communication.

Abstract: The present invention provides a handover control method in a wireless access system, a relay station and a base station for performing handover control in a mobile multi-hop relay wireless access system such that the wireless access system is enabled to cover a wider area. To achieve the above object, the present invention provides a handover control method in a wireless access system, wherein the wireless access system comprises a mobile station and a base station, which receive and send message via a wireless channel, and further comprises a relay station for forwarding message from the mobile station and the base station under control of the base station, characterized in that the method comprising a relay station measure and arbitration step in which the relay station measures the message and arbitrates whether to relay the message, and a base station measure and handover step in which the base station measures the message and arbitrates whether to perform handover.

Abstract: A base station includes an emulation controller (20) configured to receive signals indicating that another base station in an active mode managing a cell, having a predetermined cell identity and coverage area, will go into an idle mode and no longer manage the cell, and to determine terminal activity in the cell. A baseband processing unit (18) is connected to the emulation controller (20) and configured to emulate the active mode of the other base station by taking over management of the cell, in at least part of its coverage area, using the same cell identity.

Abstract: The present invention relates to a method for a context transfer in a communication network including a plurality of heterogeneous access networks, wherein a mobile terminal is attached to one of the access networks. Further, the present invention relates to a context transfer manager performing the method. Moreover, the present invention relates to a mobile terminal specially adapted to perform the provided method for a context transfer. To facilitate a context transfer between heterogeneous access networks, the present invention introduces a context transfer manager generating at least one context based on capabilities and parameters associated to the mobile terminal and capabilities and parameters of the neighboring access networks taking into account the respective access technology. Further the context transfer manager is common to the heterogeneous access networks in the communication network and performs the context transfers related to a particular mobile terminal.

Abstract: A call connection method and apparatus are disclosed. When a service is released in a portable terminal that supports different communication modes due to a network problem, the call connection method and apparatus reconnects the service to another network. The call connection method includes performing a first service through a first network, analyzing, when the connected first service is released, the cause of disconnection, acquiring, when the cause of disconnection is a problem in the first network, connection information, and attempting to connect a second service through a second network based on the connection information.

Abstract: An enhanced solution for controlling a handover procedure for handing a terminal device over from a source cell to a target cell in a communication network with relay nodes is provided. In the solution, the relay nodes actively assist in the handover procedure by, for instance, initiating the handover procedure, configuring a relayed link and buffering user data at the relay node.

Abstract: In one aspect, the teachings herein provide an enhanced inter-base-station interface and associated processing in which a base station receives a message from a neighboring base station that zero served PLMNs are available in a neighboring cell. In response to receiving that message, the base station removes the neighboring cell from its neighbor list, or otherwise marks the neighboring cell as unavailable, but advantageously does not discard any network performance data accumulated or otherwise generated for that neighboring cell. Correspondingly, should the base station receive a subsequent message indicating that one or more served PLMNs have become available in the neighboring cell, it restores the neighboring cell to its neighbor list and reinstates links or associations, as needed, to the retained network performance data.

Abstract: Disclosed is a method including having an ongoing communication session via a packet switched network, transferring said communication session from the packet switched network to a second network providing both packet and circuit switched access, and informing an application server maintaining said ongoing communication session that the communication session is to be split into a packet switched part and a circuit switched part. Also disclosed is a method in an application server, including receiving, from a first communication device, an indication that a communication session between the first communication device and a second communication device is to be split into a packet switched part and a circuit switched part, waiting for to receive transfer requests of both the packet switched part and the circuit switched part, and informing the second communication device of the split.

Abstract: A method for obtaining an uplink signal quality of a neighbor cell includes: a serving Evolved Node B obtaining a downlink transmission path loss of current user equipment in said neighbor cell according to a reference signal power of said neighbor cell and a measurement report result of said user equipment for said neighbor cell, taking said downlink transmission path loss as an uplink transmission path loss of said user equipment in said neighbor cell, and estimating the uplink signal quality of said user equipment in said neighbor cell according to said uplink transmission path loss. Correspondingly, the present invention further provides a method for optimizing handover and an evolved node B.