Abstract: A mobile device may determine applications that are executed by the mobile device. The mobile device may further determine handoff parameters, relating to performance of a handoff operation in a cellular network. The handoff parameters may be determined based on the applications being executed by the mobile device. A handoff operation may be performed based on the determined handoff parameters.

Abstract: There is provided a method and system for optimizing delivery of data to a mobile device over a network. According to one embodiment, the invention includes a communication stack, such as a TCP/IP stack, which includes an application protocol interface (API) between an application layer and a transport layer. According to this embodiment, the method includes receiving delivery optimization information; determining the priority of the data using the delivery optimization information; providing the priority of the data to a physical layer in the communication stack; and delivering the data to the mobile device based on the priority.

Abstract: Implementations include a method, systems, and computer program products for adaptively configuring codecs to transmit encoded data to better utilize available bandwidth of reachable networks. One implementation is a method of transmitting encoded data from a host to a target. The method includes, selecting a communication network reachable by the host, estimating an available bandwidth from the host to the target via the selected communication network, configuring a codec from a plurality of codecs implemented in the host according to the estimated available bandwidth, encoding data using the configured codec, and transmitting the encoded data to the target.

Abstract: Apparatuses may perform and methods may include: receiving a digital broadcast signal that includes an Electronic Service Guide (ESG); extracting and assembling the ESG; extracting from the ESG signaling information which links one or more services in an upper level layer of a broadcast protocol to a physical layer of the broadcast protocol. Based on the signaling information, one or more services from a broadcast system may be accesses.

Abstract: A mobile wireless terminal includes a first wireless unit, a second wireless unit, an audio codec, and a processor unit. The first wireless unit is configured to connect to a wireless relay coupled between the mobile wireless terminal and a phone network over a short-range wireless link. The second wireless unit is configured to connect to a cellular network over a long-range wireless link. The audio codec is configured to process the voice communication. Further, the processor unit is coupled to the first wireless unit and the second wireless unit, and is configured to make a voice communication using the second wireless unit with an external party via the cellular network over the long-range wireless link. The processor unit is also configured to register with the wireless relay to establish the short-range wireless link and, when the registration is successful, to switch from the second wireless unit to the first wireless unit to carry the voice communication with a phone network via the wireless relay.

Abstract: Handover of a call to a dual-mode phone from cellular to Wi-Fi. When handing over a call mediated by a mobility controller to a dual-mode phone and switching the call from a cellular to a Wi-Fi call, the mobility controller initiates a Wi-Fi connection to the dual mode phone. When the Wi-Fi connection is established, and with the cellular connection through the mobility controller still in place, the mobility controller starts a timer with a predetermined value and the dual-mode phone initiates release of the cellular connection. When the timer expires, the mobility controller switches the call from the cellular connection to the Wi-Fi connection.

Abstract: A mobile station receives forward link signals and transmits reverse link signals for a communication session conducted via a wireless network. A controller maintains a reverse-active set that defines which sectors of the wireless network are used to receive the reverse link signals. When the mobile station transmits a request signal requesting the communication session, the controller may create the reverse-active set to include the sector that received the request signal with the highest signal strength. During the communication session, the signal strengths of the reverse link signals may be monitored in each of a plurality of sectors to obtain reverse-link signal strengths. The controller may maintain the reverse-active set based on the reverse-link signal strengths, adding sectors that report reverse-link signal strengths greater than an add threshold and dropping sectors that report reverse-link signal strengths less than a drop threshold.

Abstract: The present invention provides a method of data path switching. Embodiments of the method include transmitting a packet from a node in a communication system during hand off of a mobile node from a source access network to a target access network. The packet includes an end marker that indicates that the packet is the last packet to be transmitted during the hand off over a source link between the mobile node and an anchor node via the source access network during the hand off. Embodiments of the method also include switching, at the node, a transmission data path from the source link to a target link between the mobile node and the anchor node via the target access network following transmission of the packet including the end marker.

Abstract: The present invention provides methods for controlling mobility state evaluation of user equipment and user equipment thereof. The method comprises the following steps: when the user equipment receives different evaluation parameters in a process of mobility state evaluation, the user equipment explicitly defines the currently set mobility state and a method for the following mobility state evaluation so as to avoid the confusion effectively when executing evaluation. The user equipment comprises a comparing module, an evaluation controlling module and an evaluation executing module, wherein the evaluation executing module comprises of a timer, a counter, an evaluation unit and a mobility state setting unit.

Abstract: A communication system of the invention includes a communication terminal correctable to first and second communication networks, and a controller for controlling service provision to the communication terminal according to which one of the first and second communication networks the communication terminal is connected to. The communication terminal includes: a reception determination unit for determining a reception condition of a control signal transmitted from the first communication network; and a notification transmitter for transmitting, to the controller, a notification indicating that the control signal can be received when the reception condition satisfies a certain requirement.

Abstract: For Wireless Communications Networks (WCNs) that support soft handover, cooperator receiver selection for a TDOA, AOA, TDOA/AOA, or hybrid network-based or network-overlay Wireless Location System (WLS) must contend with one or more network base stations as a serving cell. When the active set contains more than one member, two techniques for determining a set of cooperating and demodulating receivers to use in the signal collection for location estimation is disclosed. In one embodiment, the active set members are constructively reduced to a single member that is used as a proxy serving cell. In another embodiment, the information contained in the active set membership is retained and a new set of demodulating and cooperator receivers are generated based on the entire membership of the active set.

Abstract: Systems and methods for dynamic electronic-mail filtering for mobile devices are provided. Incoming e-mail messages are received and provided to an e-mail inbox associated with the intended recipient. Those e-mail messages are evaluated to determine whether they may be desirable to the recipient. Desirability of an e-mail may be determined by such factors as the e-mail address of origin or key words in subject line. E-mail messages determined to be desirable are provided to a mobile device associated with the recipient. The recipient may then be notified concerning the desirable messages.

Abstract: Methods and arrangements for improving the selection of neighbor cells, on which to perform measurements in different situations. The method in a first node involves obtaining information identifying a first and a second set of neighboring cells for a respective first and second measurement category. A third set of neighboring cells is then determined based on at least parts of the obtained information related to the first and second set. Measurements are then performed in a third measurement category on at least part of the cells in the third set of neighboring cells. The methods and arrangements enable combination of information on neighbor cells, obtained in different ways for different measurement categories into a combined set of neighbor cells, which is more suitable for measurements in a certain measurement category than a set of cells previously obtained for performing measurements in said measurement category.

Abstract: A wireless telephone device, a hand-off method in a wireless telephone device and a communication system are provided to enable the occurrence suppression of instant disconnection in a MAHHO as much as possible. A wireless telephone device (1) includes a communication unit (11) for selecting one of a plurality of frequencies to carry out wireless communication with a base station, a control unit (12) for switching a frequency used by the communication unit (11) to control the communication unit (11) and a speaker for outputting a communication voice in accordance with a voice signal received by the communication unit (11). When the communication unit (11) receives a command to carry out a complement processing for a hand-off candidate frequency during a telephone call, the control unit (12) makes the speaker output a pseudo voice and carries out the complement processing of switching the present frequency in use to the hand-off candidate frequency.

Abstract: A adaptive method implemented by a mobile station improves the likelihood of detecting control messages transmitted to the mobile station in band on a shared downlink traffic channel. When the mobile station expects a control message to be transmitted on the shared downlink traffic channel, the mobile station may adapt the receiver configuration and/or receiver parameters to reduce a likelihood of missed detection of control messages. In one embodiment, the mobile station is configured to adjust a correlation threshold used for said scheduled transmission detection to reduce the likelihood of a missed detection.

Abstract: Network selection techniques for use in a mobile device which is configured for voice and packet data communications are described. The mobile device performs a scanning operation to identify one or more communication networks, and consults a network selection list for selecting, in accordance with assigned priorities of the list, one of the identified networks. The mobile device also determines whether a packet data service interconnection to a home network via the selected network is available. If the interconnection to the home network via the selected network is determined to be available, then the mobile device operates with voice and packet data services in the selected network. Otherwise, if the interconnection to the home network via the selected network is determined to be unavailable, then the mobile device repeats the acts of consulting and determining for the next identified network in the list.

Abstract: Network entities such as an access device and a gateway analyze messages exchanged during a communication session to identify information items of interest such as, for example, email addresses, universal resource locators, file paths, and attachments. References to and/or the contents of the identified information items may be stored in a database that associates the identified information items with the participants of the communication session. The participants in the communication session may be identified by conventional caller ID information, or by an Internet protocol address, an electronic serial number, or a variety of other identifiers. Information received at the beginning of a later communication session that identifies participant(s) in that communication session may then be used to select from the database, information items from previous communication session, that are associated with the identified participant in the current communication session.

Abstract: A method and apparatus for providing a cellular zone is disclosed. A communication link connects a cellular base station and a wireless access point. A typical communication link can be a wire-based communication network, such as the Internet, using IP telephony protocol. The wireless access point communicates with a cell phone over a cellular frequency and thereby establishes the cellular zone. Where the area of the cellular zone and the coverage area of the cellular base station overlap, continuous arbitration is performed to select a communications channel. The strength of a first signal received from the cellular base station is compared to the strength of a second signal received from the wireless access point. Selection criteria include signal strength and a time-oriented criteria to maintain continuity of communication channel.

Abstract: In an exemplary embodiment of this invention contexts are transferred at an appropriate time depending on the context type. As a result, link layer (PPP) delay can be substantially eliminated during Mobile IP handoff, without introducing additional packet loss. By way of example, all MS contexts (both static and dynamic) are maintained during the inter-PDSN handoff procedure, and any executing applications are not impacted by the inter-PDSN handoff.

Abstract: A mobile communication method according to the present invention includes a step of notifying, by a radio base station eNB, a mobile station UE of: a condition under which a measurement report is triggered; a measurement-report target CC having a measurement result that should be reported at the same time when the measurement report is performed; and the maximum number of cells, on the measurement-report target CC, having a measurement result that should be reported, and a step of transmitting, by the mobile station UE, a measurement result of a cell of which the number is equal to or less than the notified maximum number, for each notified measurement-report target CC.

Abstract: A handover properties estimation system includes a moving-route extraction unit which extracts moving routes which pass through a handover area or a neighboring area by using map information of the handover area and the neighboring area. The handover area is an area in which a handover process occurs between cells in a mobile communication system. The system further includes a moving-route handover properties calculation unit for calculating handover properties of the moving routes extracted by the moving-route extraction unit, by using radio-wave environment information of the moving routes.

Abstract: A handover method according to the present invention includes the steps of: forwarding, at a handover-source radio base station (eNB), user data (A) for a mobile station (UE) to a handover-target radio base station (eNB) when it is determined that a handover processing is to be performed, the user data (A) being stored in the handover-source radio base station (eNB); activating, at the handover-target radio base station, a predetermined timer when transmitting a path switch request to a path control apparatus, and storing second user data for the mobile station received from the path control apparatus until the predetermined timer expires; and forwarding, at the handover-target radio base station, the stored second user data to the mobile station after the predetermined timer expires.

Abstract: The present invention relates to a method of generating neighbor lists in a radio communication network comprising user terminals and base stations defining sectored or omnidirectional radio cells, where communication between user terminals and base stations is arranged to take place over radio channels. The method comprises the steps of: (a) receiving radio channel measurements from at least some of the user terminals; (b) creating a first table by using the measurements received from the user terminals, the first table comprising for at least some of the user terminals the corresponding radio channel measurement in relation to different radio cells; (c) processing the first table to generate a cell coupling matrix indicative of a radio coupling figure between different pairs of cells in the network; and (d) for a certain cell obtaining a neighbor list by determining the radio channel neighbors to be the cells of which the coupling figure with the cell in question is greater than a given threshold.

Abstract: A method of coverage hole compensation is provided in a wireless telecommunications network including a plurality of base station transmitters, each transmitter providing a coverage area for communication with user equipment, wherein a coverage hole is present within a coverage area provided by a transmitting transmitter; the method comprising selecting transmitters which are to be adjusted, including a first dominant transmitter within the coverage hole, and adjusting a transmission parameter of the selected transmitters, wherein the amount of adjustment of the selected first dominant transmitter in the coverage hole is greater than the amount of adjustment of any other selected transmitter.

Abstract: When communication quality exceeds the first threshold, the radio communication terminal 300 starts connection with the radio communication system 120 and establishes the radio link L2 to the radio communication system 120. Further, a handover from the radio link L1 to the radio link L2 is performed when the communication quality exceeds the second threshold after the establishment of the radio link L2, the second threshold corresponding to communication quality degraded than that indicated by the first threshold.

Abstract: A method of operating a target terminal being serviced by a serving base station is provided. In a downlink case, the target terminal being served by the serving base station may provide a feedback message to a neighboring base station. The feedback message may be used by the neighboring base station to verify channel information between the serving base station and the target terminal, and channel information between the neighboring base station and the target terminal. In an uplink case, the neighboring base station may provide the feedback message to the target terminal. The target terminal may transfer, to the serving base station, channel information between the neighboring base station and a particular terminal, and channel information between the neighboring base station and the target terminal that are verified based on the feedback message. The feedback message may be transferred using a common shared channel or a random access channel.

Abstract: A method and apparatus for expanded cell search and selection in a mobile wireless device. The mobile device locates cells in a first of neighbor cells and in a second list of stored cells and evaluates located cells using suitability criteria. When locating a suitable first cell that uses a first radio access technology (RAT) in the first list, the first cell is selected. When locating a second suitable cell that uses a second RAT in the first list and not locating a suitable cell that uses the first RAT in the second list, the second cell is selected. When locating a third suitable cell that uses the second RAT in the first list and locating a fourth suitable cell that uses the first RAT in the second list, the fourth cell is selected when more suitable than the third cell.

Abstract: Call handoff from an 802.1x network to a cellular network, and vice versa. A wireless device that has both cellular and 802.1x capability detects the strength of a cellular signal and of an 802.1x signal. If a call is taking place over the 802.1x network and the strength of the 802.1x signal drops below a particular level and the strength of the cellular signal is above a certain level, the call is handed off from the 802.1x network to the cellular network. If a call is taking place over the cellular network and the cellular signal strength drops below a certain level while the 802.1x signal strength is above a certain level, the call is handed off from the cellular network to the 802.1x network. In addition, the user of the wireless device can manually initiate the handoff by actuating a handoff selector of the wireless device.

Abstract: A method and apparatus for reducing handover time includes a wireless transmit receive unit receiving cell specific information in a downlink signal. The downlink signal is one of a set of signals included in a handover process.

Abstract: Embodiments of the present invention provide a method, a device, and a system for configuring a component carrier in a carrier aggregation scenario. The method for configuring a component carrier in a carrier aggregation scenario includes: obtaining information about a component carrier supported by a UE; selecting a candidate component carrier according to the information about the component carrier and configuring a resource parameter that is applied to the candidate component carrier to form configuration information about the candidate component carrier; and delivering the configuration information about the candidate component carrier to the UE. In the embodiments of the present invention, a base station may select a candidate component carrier for the UE according to obtained component carrier support information and perform resource configuration, so that the UE can accurately know to which component carrier a resource parameter is applied, and thus a data transmission error may be reduced.

Abstract: A method for acquiring support capability of a mobile terminal by a base station side system is disclosed in the present disclosure, and the method includes: the base station side system applies a co-frequency interference to the mobile terminal, and detects a measurement report which is fed back by the mobile terminal after the co-frequency interference is applied, and determines and acquires the support capability of the mobile terminal for voice services over adaptive multi-user channels on one slot according to associated parameters in the detected measurement report in combination with associated threshold values. A system for acquiring support capability of the mobile terminal by the base station side system is also disclosed in the present disclosure.

Abstract: Systems and methods for providing voice communications and data communications are provided, including: receiving an attach message from a mobile node indicating the mobile node can fallback from a first radio access technology to a second radio access technology and including location information identifying a location of the mobile node, the attach message received via the first radio access technology; sending a translated location updated message to a remote switching device; receiving a service request message from the mobile node, the service request message requesting initiation of a voice call, the service request message received via the first radio access technology; and based on the service request message and the indication that the mobile node can fallback to the second radio access technology, setting up the voice call with the mobile node via the second radio access technology.

Abstract: A method of operation of a mobile telecommunication system includes: measuring a measured target power and a measured server power; predicting a future target power and a future server power for a prediction tap number from when the measured target power and the measured server power are measured; computing an estimation error and a prediction error associated with the future target power and the future server power; determining a handoff hysteresis level based on the estimation error and the prediction error; and sending a handoff trigger for transferring a mobile station from a server station to a target station when the future target power minus both the future server power and the handoff hysteresis level is greater than zero.

Abstract: A method and system for performing re-association in a WLAN mesh network are provided. A mobile node transmits authentication request information to an old node via a new node along with a mesh re-association request message for re-association of the mesh network. Upon receiving the mesh re-association request message, the old node performs re-association and authentication according to the mesh re-association request message, and transmits a mesh re-association reply message to the mobile node via the new node.

Abstract: Systems and methods are provided that allow inter-working between communication networks for the delivery of service to mobile nodes. A gateway is provided that communicates with a femto cell to extend service to an area that otherwise does not receive coverage from a service provider. The femto cell is a small scale base station used to provide coverage over a small area (such as a home or business), and connect to a home or enterprise network. The femto cell provides service for a mobile node and a gateway permits communication over a broadband network. The gateway integrates the mobile nodes connecting via a femto cell into the service provider's network. The gateway also allows provisioning of services and applications, control of service levels, and provides seamless handoffs to marco base stations and other types of access technologies such as Wi-Fi.

Abstract: A femtocell base station 10a suspends transmission and reception of radio waves to and from a radio communication terminal 30 of an accommodation object when the radio communication terminal 30 is not in the neighborhood of the femtocell base station 10a. The femtocell base station 10a determines whether the radio communication terminal 30 is in the neighborhood of the femtocell base station 10a based on information of a UATI update notification provided through another base station in communication with the radio communication terminal 30 and, when the radio communication terminal 30 is in the neighborhood of the femtocell base station 10a, starts receiving the radio waves from the radio communication terminal 30.

Abstract: A method for managing mobility of an Access Terminal (AT) using a Proxy Mobile Internet Protocol in a mobile communication system. Access authentication is performed between the AT and an Authentication, Authorization and Accounting server. The AT sends a Dynamic Host Configuration Protocol (DHCP) Server Discover message including information for authentication check to an Access Gateway (AG) while performing the access authentication. The AG sends a Proxy Registration Request message including information for mobility management for the AT to a Home Agent (HA). The AG receives from the HA a Proxy Registration Response message indicating a successful reception of the Proxy Registration Request message. The AG sends a DHCP Offer message including a Home Address (HoA) of a corresponding AT and sends a DHCP Acknowledgement message for accepting use of the HoA, to the AT, when the AT notifies the AG of its intention to use the HoA.

Abstract: The invention relates to a method for controlling transmission over a radio channel between a sending unit and a group of receiving units in a radio communication system, the method comprising the following steps relating to information aimed at a subgroup of at least one receiving unit of said group of receiving units: transmitting said information over the radio channel from the sending unit; upon reception of said information, transmitting an acknowledgement from at least each receiving unit of the subgroup, which has received said information correctly over said radio channel; and checking whether acknowledgments have been received by the sending unit from each receiving unit of said subgroup.

Abstract: Embodiments of the present invention describe methods for increasing the amount of information available to a mobile transmit diversity transmitter during soft handoff. According to embodiments of the invention, a transmit diversity transmitter may determine substantially when it is in uplink communication with one base station and downlink communication with another base station. The mobile device may transmitting a diversity signal by controlling a value of a transmit diversity parameter based on feedback signals from the downlink base station, and controlling a power level in accordance with a standard protocol, e.g. combination of transmit power control feedbacks provided by the active base stations.

Abstract: A first communication device and a method in a node serving a first cell of a first frequency for controlling transmission power of a user equipment in the first cell, comprising receiving data relating to a second cell of the first frequency from the user equipment and determining to power regulate the user equipment. Determining to power regulate the user equipment is based on determining that the second cell is a cell to which a soft handover cannot be performed and determining that the user equipment is within a range of a cell border of the first cell. That being the case, the method further comprises transmitting a control message to the user equipment to control the transmission power of the user equipment.

Abstract: A method for filtering out a useful signal of a mobile radio terminal from a plurality of superimposed signals having a signal quality received by base stations in a cellular mobile radio network. The superimposed signal of the mobile radio terminal is detected by base stations that are reached and the signal quality of the received and superimposed signal of every base station reached is determined. The signal quality of a selected base station is then transmitted to a decision element and a selection of a selected base station is made by the decision element to decode the useful signal of the mobile radio terminal. The invention also relates to a device for filtering out a useful signal of a mobile radio terminal from a plurality of superimposed signals received by base stations in a cellular mobile radio network.

Abstract: When transmitting data from a data relay apparatus to a mobile station through a plurality of base stations, the plurality of base stations add sequence numbers to the data and transmits the data with the sequence number. The data relay apparatus transfers a first data and second data to the mobile station through different base stations among the plurality of base stations, in which the data relay apparatus transfers the first data received before the second data to one base station and transfers the second data while adding thereto information indicating the reception order of the first and second data. Each of the plurality of base stations, when the data transferred from the data relay apparatus contains the information added thereto, adds the sequence number to the data based on the information and transmits the data with the sequence numbers to the mobile station.

Abstract: When a user equipment (UE) is in a CONNECTED state with a base station of a wireless network and is also in a discontinuous reception (DRX) mode, a DRX parameter such as DRX period for the UE is compared with a threshold. If the DRX parameter is at or below the threshold, the UE applies a network controlled mobility mode with UE assist where the network controls handover of the UE to another cell. If the DRX parameter is above the threshold, the UE applies a UE controlled mobility mode in which the UE is free to select a best cell. In this way, DRX benefit of reduced power consumption is maintained while the time period in which the UE is unreachable is minimized.

Abstract: A method for transmitting a mobility state is provided in the present invention, the method includes: when an source evolved NodeB (eNB) performs a handover of a user equipment (UE) in a connectivity state, it sends the UE historical information to a target eNB; the target eNB decides a mobility state of the UE according to the UE historical information. Alternatively, when the source eNB performs a handover of the UE in a connectivity state, it decides the mobility state of the UE according to the UE historical information, sets the corresponding mobility state instruction information and sends it to the target eNB; the target eNB acquires the mobility state corresponding to the UE according to the received mobility state instruction information. A system for transmitting a mobility state is also provided in the present invention.

Abstract: Disclosed is a method the present method may help to minimize or avoid ping-ponging between coverage areas of a wireless communication system, by having a radio access network (RAN) give special consideration to power control commands after receipt of a wireless communication device's (WCD's) handoff request. After the RAN receives the WCD's request for handoff from a first coverage area to a second coverage area, the RAN evaluates power control commands from the WCD for the first coverage area for a time period after the handoff request and, based on the evaluation, determines whether the WCD continues to experience poor RF conditions in the first coverage area 22. If so, the RAN may then allow the handoff (e.g., if other conditions such as channel resource availability are met). And otherwise, the RAN may abort the handoff.

Abstract: A network controller including processing circuitry may be configured to receive dynamic position information indicative of a three dimensional position of at least one mobile communication node, compare fixed position information indicative of fixed geographic locations of respective access points of a network to the dynamic position information to determine a relative position of the at least one mobile communication node relative to at least one of the access points based on the fixed position information and the dynamic position information, and provide network control instructions to at least one network asset based on the relative position.

Abstract: Aspects of the present disclosure relate to wireless communications and techniques for determining a power save duration for an out of service subscription based, at least in part, on a detected mobility status change of a mobile device. Aspects generally include a mobile device, that shares a single radio resource for establishing connections with a first and second subscription, using a detected mobility status change to determine a power saving duration for an out of service subscription.

Abstract: A method is provided for handing over a user equipment (UE). The method includes a donor access node with which the UE is in communication via a serving relay node receiving UE context information. The method further includes the donor access node using the UE context information to identify data packets that belong to the UE, wherein the data packets are forwarded from the serving relay node to a target relay node.

Abstract: A base station of a first mobile communication mode communicates with a terminal in the first mobile communication mode and transmits a radio signal in a second mobile communication mode, and a base station of the second mobile communication mode communicates with the terminal in the second mobile communication mode and transmits a radio signal in the first mobile communication mode. A first unit of a dual-mode portable terminal communicates with the base station of the first mobile communication mode in the first mobile communication mode, receives the radio signal of the first mobile communication mode transmitted from the base station of the second mobile communication mode and determines based upon this radio signal whether the base station of the second mobile communication mode exists. Similarly, a second unit of the dual-mode portable terminal determines whether the base station of the first mobile communication mode exists.

Abstract: A method of performing a handover between heterogeneous networks and user equipment apparatus for the same are disclosed. The user equipment apparatus includes a first type communication module configured to transceive a signal with a first type base station (BS) using a first wireless communication scheme, a second type communication module configured to transceive a signal with a second type BS using a second wireless communication scheme, and a processor configured to control the handover to be performed on a second type BS operating in an idle state with the second type communication module when a signal is received from a first type BS operating in an active state with the first type communication module, wherein the signal request that the UE performs the handover to the second type BS operating in an idle state with the second type communication module from the first type BS.