Patent application number | Description | Published |
20080201407 | Method and Apparatus For Communicating Messages In a Communications Network - The present invention relates to a method of acquiring interoperability between a push to talk server and a chat server. The invention further relates to a push to talk server comprising an interface adapted to receive requests from another server to send messages to push to talk clients via the push to talk server, and to a chat server comprising an interface adapted to send, to said push to talk server, a request for permission to send chat messages to push to talk clients. The invention further relates to a computer program product for communicating messages in a communication network comprising a push to talk server and a chat server. | 08-21-2008 |
20080233948 | Wireless Communications Systems - A method for controlling uplink transmissions from a user device to an access point in a wireless telecommunications system is described. Each access point defines a communications cell, and the method comprises monitoring interference in an uplink channel at an access point, performing interference control actions at the access point when monitored interference exceeds a first predetermined level, monitoring occurrences of such control actions at the access point, and if a number of such occurrences exceeds a predetermined level, performing interference control actions with reference to a plurality of cells at a central controller of the telecommunications system, which central controller is operable to control a plurality of access points. | 09-25-2008 |
20080304416 | Method and Apparatus for Solving Data Packet Traffic Congestion - The present invention relates to data packet traffic congestion solving mechanism in a node of a Radio Access Network (RAN), said mechanism is capable of blocking the transmission of data packets between a user terminal (UT) and said node in both uplink and downlink directions, if a created blocking table indicates for a scheduler that said user terminal has been determined to have been idle for more than a pre-determined time. | 12-11-2008 |
20090196193 | METHOD IN A SCHEDULER FOR REDUCING INTER-CELL INTERFERENCE - The present invention relates to a method for reducing inter-cell interference in a cellular radio system in which said scheduler controls a set of shared radio resources. The method comprises the steps of—assigning cell specific resource priority weights (RPW) to the different radio resources of a cell, said assignment differs from the assignment of the same radio resources in at least one neighboring cell utilizing the resource priority weights for selection of radio resources. The resource priority weights can furthermore be combined with channel quality indication reports (CQI) to form weighted quality indexes (WCQI) for the radio resources that are available to the scheduler. The invention also relates to a scheduler performing said method and a radio network node comprising such scheduler. | 08-06-2009 |
20090201810 | METHOD FOR GENERATING A CONGESTION FLAG BASED ON MEASURED SYSTEM LOAD - A radio base station generates a congestion status flag, based on measured resource usage in its cell, and based on performance of sessions in the cell. The flag may be a one bit, or a small number of bits, indicating whether the base station is congested. The flag can be sent to neighbouring radio base stations, for use in determining whether to perform handovers to that radio base station. The flag generated in a radio base station, and the flags generated in neighbouring radio base stations, can also be sent to user equipment in a cell. | 08-13-2009 |
20090252084 | METHOD AND APPARATUS FOR BROADCASTING PUSH-TO-TALK GROUP SESSIONS - The present invention relates to a method of communicating a push-to data packet within a communications system, where the push-to packet originates from a push-to client participating in a push-to user group comprising at least two push-to clients. The method comprises receiving the push-to data packet from a push-to server and broadcasting the push-to data packet over a broadcast distribution network to broadcasting clients which are not part of the push-to user group. A communications interface arranged to communicate push-to data packets, originating from a push-to client participating in a push-to user group comprising at least two push-to clients, from a push-to server to a broadcast node arranged to broadcast the push-to data packets to broadcasting clients which are not part of the push-to user group is also disclosed. | 10-08-2009 |
20100067418 | METHOD AND ARRANGEMENT FOR REDUCING POWER CONSUMPTION IN USER EQUIPMENTS IN MULTI-CARRIER RADIO SYSTEMS - The present invention relates to a method and an arrangement for reducing power consumption in the user equipments in power saving mode in a communication network, comprising a communication network node transmitting information on shared control channels (SCCH) to one or more user equipments. The information is transmitted over either a narrow or a wide bandwidth depending on which mode said one or more user equipments are, either a power saving mode or an active mode. | 03-18-2010 |
20100184458 | Method and Arrangement for Reducing Battery Power Consumption of a User Equipment - The present invention relates to a method and arrangements for saving battery power consumption of a UE in mobile telecommunication system. The method comprises the step of checking whether the UE fulfills at least one of the pre-determined criteria that a subscriber explicitly requests to receive paging at extended DRX cycle and that a new cell is not reselected during a pre-determined time. If the at least one of the pre-determined criteria is fulfilled the step of applying an extended DRX cycle is performed. | 07-22-2010 |
20100203882 | Method and Arrangement for Managing Inter-Cell Interference in a Communications Network - The present invention relates to a method in a base station ( | 08-12-2010 |
20100216468 | Selecting a Cell Associated with a Radio Access Technology - Method in a user equipment for selecting a cell associated with a radio access technology. The method comprises the steps of obtaining an instruction to select a cell to be used among cells using a radio access technology being associated with a specific service class. Also comprising receiving a broadcast, which broadcast uses a radio access technology being associated with a respective service class and being associated with a respective priority level within that service class. Also comprising selecting a cell, which cell is using a radio access technology being associated with the specific service class in accordance with the obtained instruction and which cell is associated with the highest priority level. An arrangement in a user equipment, a method in a base station, an arrangement in a base station, a method in a core network node and an arrangement in a core network node is also provided. | 08-26-2010 |
20100304747 | METHOD FOR LOAD BALANCING OF DEVICES IN IDLE MODE - The invention discloses a method for a cellular communications system, in which there is a first plurality of cells and a second plurality of base stations, each base station controlling the traffic to and from user terminals in a cell. User terminals can assume an idle mode, where a user terminal when in an idle mode performs cell reselection, comprising an evaluation of the cells which are available to the user terminal. The base stations of a number of cells in the system transmit a set of reselection probabilities, each probability in said set being the probability with which a terminal when in idle mode may carry out a reselection from its present cell to the cell to which the probability refers. | 12-02-2010 |
20100309798 | Discontinuous Transmission and Reception - There is provided a method of determining a discontinuous reception and/or transmission cycle length, the method comprising determining information relevant to the cycle length from a high layer in a protocol stack; providing the information to a lower layer in the protocol stack; and in the lower layer of the protocol stack, determining the cycle length from the information. | 12-09-2010 |
20100317385 | Method and System for Mitigating Inter-Cell Interference - A method for processing transmission power level related data includes obtaining channel gain data from at least a served first user equipment and providing performance related data for at least the served first user equipment. The method also includes obtaining determined transmission power level data per group of resource blocks, as determined at a super frame level, and providing transmission power related pilot signals to the served first user equipment. Additionally the method includes obtaining channel quality related information from at least the served first user equipment and adapting the transmission power level per resource block on the frame level, wherein adapting the transmission power level comprises altering the determined transmission power level as determined per group of resource blocks at the super frame level, in dependence on the obtained channel quality related information related to at least the served first user equipment and the obtained channel gain data. | 12-16-2010 |
20110021232 | Semi-Distributed, Quality-of-Service-Based Scheduling Protocols, with Minimum Control Plane Signaling - Methods and apparatus for scheduling link resources in a wireless communication system ( | 01-27-2011 |
20110032898 | OPTIMIZING THE USAGE OF RADIO RESOURCES BY CROSS-LAYER READING OF INFORMATION FROM HIGHER LEVEL CONTROL PLANE PROTOCOL LAYER - Methods and apparatuses relating to optimization of radio network resources between user equipments operating in a cell and nodes in a cellular radio communication network are provided. Cross-layer information is read from higher level control plane protocol layer packets being transported, before or during lower level control plane protocol layer procedures being performed between a user equipment and a node or between two nodes The lower level control plane protocol layer procedures are optimized by using the analyzed control plane information received. | 02-10-2011 |
20110134890 | METHOD AND APPARATUS FOR ALLOCATING RADIO RESOURCES IN A MOBILE RADIO NETWORK - A method and apparatus for allocating radio resources to an elastic session in a cell in a CDMA network is presented. The method comprises allocating, to the elastic session, a radio resource share corresponding to a reduced transmission rate wherein the reduction in transmission rate corresponds to a peak transmission rate of the elastic session being slowed down by a first slowdown rate. The first slow down rate is determined in dependency of the transmission rate requirements of the ongoing sessions in the cell in a manner so that the radio resource share allocated is not lower than a radio resource share corresponding to the maximum transmission rate if a total amount of resources available for allocation to ongoing sessions in the cell is sufficient for all ongoing sessions to transmit at a respective peak transmission rate. | 06-09-2011 |
20110182256 | Method and Arrangement in a Wireless Communication System - The present invention relates to a method for enabling intercell interference coordination in a network node | 07-28-2011 |
20110188485 | METHODS AND ARRANGEMENTS IN A CELLULAR COMMUNICATION NETWORK - The present invention relates to methods and arrangements for resolving radio resource conflicts occurring in radio networks supporting both local ad-hoc communication and cellular communication. The conflicts are resolved by informing the cellular network about radio resource management restrictions due to the local ad-hoc communication needs and resources that are reserved for local ad-hoc communications. | 08-04-2011 |
20110217989 | METHOD AND ARRANGEMENT IN A COMMUNICATION SYSTEM - A first user terminal and method of operating the first user terminal so as to provide location information associated with the first user terminal to a second user terminal are disclosed. The first user terminal and the second user terminal are comprised within a wireless communication system, which wireless communication system further comprises a plurality of radio base stations of which a first one of the plurality of radio base stations is serving the first user terminal. A signal is received from one of the radio base stations comprising the absolute geographical coordinates corresponding to the location of that radio base station. Pilot signal measurements are performed on the received signal. The absolute geographical coordinates corresponding to the location of the first user terminal are determined based on the performed pilot signal measurements and the received absolute geographical coordinates of the radio base station. The determined absolute geographical coordinates are transmitted to the second user terminal. | 09-08-2011 |
20110237289 | Method and Arrangement for Controlling Uplink Transmit Power - The present invention relates to methods and arrangements for controlling uplink transmit power to be used by the UE. The UE comprises multiple radio interfaces wherein at least one of the multiple interfaces is a cellular radio interface. The UE stores information comprising a total transmit power budget set aside for use over the multiple radio interfaces of the UE and receives transmit power control commands from a network node on the cellular radio interface indicating whether the UE should increase or decrease or maintain the uplink transmit power on the cellular radio interface. Transmit power levels to be used for uplink transmissions over the multiple radio interfaces based on the received transmit power control commands are calculated, wherein the said total transmit power budget for the multiple radio interfaces is taken into account. | 09-29-2011 |
20110244874 | Integrated Multi-Radio Access Technology Multi-Frequency Admission Control - A node of a multi-radio access technology (RAT) system acquires resource status information associated with each RAT of the multi-RAT system. The resource status information of the RATs of the multi-RAT system can be acquired by sniffing higher layer protocol information pertaining to call setup requests and/or call terminated messages. The node further maintains a flag representing overall resource availability associated with the RATs of the multi-RAT system, based on the acquired resource status information, for use in admission control and/or load balancing. The flag is associated with a pre-defined set of overall resource availability states of the multi-RAT system, where the availability states are defined in terms of admission control decisions. The availability states comprise at least one of the following admission control decisions: i) unconditional acceptance of all services; ii) conditional acceptance of broadband guaranteed bit rate (GBR) services and unconditional acceptance of all other services; iii) conditional acceptance of broadband GBR services, conditional acceptance of narrowband GBR services, and unconditional acceptance of other services; or iv) unconditional rejection of all services. | 10-06-2011 |
20110256884 | Controlling Radio Emission from a Mobile Terminal in a Critical Area - Methods and arrangements ( | 10-20-2011 |
20120157095 | CLOSED SUBSCRIBER GROUP (CSG) HANDLING FOR SUPPORTING NETWORK SHARING OF HOME BASE STATIONS - A system and method for enhanced support for handling of Closed Subscriber Groups (CSGs) and sharing of Radio Access Network (RAN) for home base stations and other small cells. An enhanced System Information (SI) structure indicates multiple CSG IDs and CSG Indications, thereby making it possible to support different CSG IDs and CSG Indications for every Public Land Mobile Network Identity (PLMN-ID) and also to support a PLMN-ID with multiple associated CSG IDs and CSG Indications. The enhanced SI makes it possible to have different CSG IDs for different operators, to have multiple CSG IDs for one operator (i.e., a single PLMN), and to selectively use the CSG concept for some PLMNs (as given by their respective CSG Indications), but not for all. A network of base stations (e.g., a RAN) thus can be effectively shared by multiple operators, leading to better cellular coverage, peak rates, and capacity. | 06-21-2012 |
20120163293 | MULTIPLE GATEWAY HANDLING FOR SUPPORTING NETWORK SHARING OF HOME BASE STATIONS - A home base station receives from a wireless user equipment an identification of a selected Public Land Mobile Network, PLMN, among multiple available PLMNs to which the wireless user equipment is to be connected. The home base station identifies a communication path to a home base station gateway is associated with the selected PLMN and communicates with the selected PLMN that was identified over the communication path that was identified. The home base station may thereby be shared among multiple PLMNs. Related networks, methods and home base stations are described. | 06-28-2012 |
20120282922 | Methods and Arrangements in a Cellular Network - The present invention relates to a user equipment and a network node, and to related methods of supporting resource efficient ad hoc networking between user equipments (UEs) of a cellular network. This is addressed by a solution where the network node is supporting the ad hoc networking between UEs. The network node is capable of | 11-08-2012 |
20120294149 | Method For Generating A Congestion Flag Based On Measured System Load - A radio base station generates a congestion status flag, based on measured resource usage in its cell, and based on performance of sessions in the cell. The flag may be a one bit, or a small number of bits, indicating whether the base station is congested. The flag can be sent to neighbouring radio base stations, for use in determining whether to perform handovers to that radio base station. The flag generated in a radio base station, and the flags generated in neighbouring radio base stations, can also be sent to user equipment in a cell. | 11-22-2012 |
20120295619 | Selecting a Cell Associated with a Radio Access Technology - Embodiments herein include a method in a base station serving a cell for assisting a user equipment to select a cell. The method comprises the step of sending a message comprising a reference to a service class and a priority level associated with a radio access technology used by the cell that the base station serves. Embodiments herein also include a corresponding arrangement in a base station. Embodiments herein further include a method in a core network node for configuring service classes in a network. The method comprises associating a radio access technology with a service class and a priority level. The method further comprises sending to a base station a reference to the service class and the priority level associated with the radio access technology used by the base station. Embodiments herein finally include a corresponding arrangement in a core network node. | 11-22-2012 |
20130027247 | Coverage Extension of Position Services - The present solution relates to a method in a user equipment ( | 01-31-2013 |
20130034035 | METHODS AND ARRANGEMENTS FOR AD-HOC WIRELESS NETWORKS - A method, User Equipment (UE), and network node in an ad-hoc network. The UE determines a node in the ad-hoc network that is able to provide a reference signal comprising a pattern that can be used for synchronization purposes when the UE is in DRX mode in the ad-hoc network. The node is determined by requesting the node to indicate whether the node is able to provide the reference signal, and receiving an accept signal or message from the node. The UE then receives the reference signal from the determined node, enters DRX mode, and uses the received reference signal to maintain synchronization while in the DRX mode. | 02-07-2013 |
20130143502 | Dual Operation of User Equipment in Licensed and Unlicensed Spectrum - Parameters that define the frequency raster points to be used in an unlicensed band are used to support operation of wireless devices in both licensed and unlicensed frequency bands. Corresponding signaling messages are used to exchange information regarding the device's capabilities, preferences, transmission power, etc. In one method, implemented in a wireless communication device ( | 06-06-2013 |
20130155991 | Method and Network Node in a Communications System - The present disclosure relates to a method and a network node | 06-20-2013 |
20130172036 | Method and Network Node for Handling Beacon Signal Transmission - According to a first aspect of embodiments herein, the object is achieved by a method in a method in a network node for handling beacon signal transmission. The beacon signal transmission is for discovering devices for Device to Device, D2D, transmission. The network node is associated with a cellular communications network. The network node obtains ( | 07-04-2013 |
20130188552 | RELAYING IN MIXED LICENSED AND UNLICENSED CARRIER AGGREGATION - A radio access network comprises a radio access network node and plural wireless terminals. At least a first wireless terminal is configured to utilize mixed carrier aggregation. A relay node transmits an unlicensed component carrier allocated to the first wireless terminal between the radio access network node and the first wireless terminal. The relay node may relay uplink data, downlink data, or both. | 07-25-2013 |
20130229962 | METHOD AND ARRANGEMENT IN A COMMUNICATION SYSTEM - The present invention relates to a method and an arrangement of efficiently utilizing radio resources in a communication network, comprising a communication network node transmitting information on shared control channels (SCCH) to one or more user equipments. The information is transmitted over either a narrow or a wide bandwidth depending on which mode said one or more user equipments are, either a power saving mode or an active mode. | 09-05-2013 |
20130252621 | DYNAMIC RESOURCE SELECTION TO REDUCE INTERFERENCE THAT RESULTS FROM DIRECT DEVICE TO DEVICE COMMUNICATIONS - Systems and methods are disclosed for selecting resources for direct device to device (D2D) communications in a cellular communication network. In one embodiment, a downlink resource is selected as a resource for a direct D2D communication link between a first wireless device and a second wireless device if a base station serving each of the first and second wireless devices is equipped with an interference cancellation receiver and both the first and second wireless devices are less than a predefined threshold radio distance from their serving base station. An uplink resource is selected as a resource for the direct D2D communication link if the base station serving each of the first and second wireless devices is equipped with an interference cancellation receiver and at least one of the first and second wireless devices is more than the predefined threshold radio distance from its serving base station. | 09-26-2013 |
20130252654 | DYNAMIC RESOURCE SELECTION TO REDUCE INTERFERENCE RESULTING FROM DIRECT DEVICE TO DEVICE COMMUNICATIONS - Systems and methods are disclosed for selecting resources for direct device to device communications in a cellular communication network. Preferably, resources for the direct device to device communications are selected to minimize, or at least substantially reduce, interference that results from the direct device to device communications in the cellular communication network. In one embodiment, a downlink resource of the cellular communication network is selected as a resource for a direct device to device communication link between a first wireless device and a second wireless device if at least one of the first and second wireless devices is less than a predefined threshold radio distance from a closest base station in the cellular communication network. Otherwise, an uplink resource of the cellular communication network is selected as a resource for the direct device to device communication link between the first and second wireless devices. | 09-26-2013 |
20130272294 | Methods and User Equipments for Providing Information About a Connection State - A method in a first user equipment ( | 10-17-2013 |
20130273907 | Methods and User Equipments for Device to Device Communication - A method in a first user equipment for communicating with a second user equipment over a D2D radio link in a D2D radio network is provided. The first user equipment and the second user equipment are comprised in the D2D radio network. The first user equipment is further comprised in a cellular communications network. The first user equipment obtains ( | 10-17-2013 |
20130281064 | Methods and User Equipments for Granting a First User Equipment Access to a Service - Methods, a radio base station, and a second user equipment are provided. The second user equipment is served by the radio base station and sends a first request for granting a first user equipment access to at least one service. A transfer of a first access code between the second user equipment-and the radio base station-takes place. The radio base station-receives, from the first user equipment, a second request for access to said at least one service and the code information based on the first access code. Then, the radio base station-sends, to the first user equipment, an access grant for granting the first user equipment-access to the at least one service in response to the second request and the code information, when the code information matches the first access code. | 10-24-2013 |
20130294296 | DYNAMIC BAND SELECTION FOR INTERFERENCE MINIMIZATION IN DIRECT DEVICE TO DEVICE COMMUNICATIONS - Systems and methods are disclosed for selecting resources for direct device to device (D2D) communications in a cellular communication network. Preferably, resources for the direct D2D communications are selected to minimize, or at least substantially reduce, interference that results from the direct D2D communications in the cellular communication network. In general, either an uplink resource or a downlink resource of the cellular communication network is selected for a direct D2D communication link between a first wireless device and a second wireless device in order to minimize, or at least substantially reduce, interference caused to a third wireless device that uses the same uplink and downlink resources in the same and/or a neighboring cell of the cellular communication network. | 11-07-2013 |
20140023016 | Method and Apparatus for Sharing Radio Network Infrastructure Using Carrier Aggregation - This disclosure relates a method and a base station for network sharing using carrier aggregation. The base station of a multi-carrier system comprises a multiple of cells, where each cell corresponds to a carrier that is associated with a PLMN. The base station receives ( | 01-23-2014 |
20140038653 | RADIO BASE STATIONS AND METHODS THEREIN FOR HANDLING INTERFERENCE AND SCHEDULING RADIO RESOURCES ACCORDINGLY - Embodiments herein relate to a first radio base station ( | 02-06-2014 |
20140099950 | METHOD AND USER EQUIPMENT FOR PEER-TO-PEER COMMUNICATION - The exemplary embodiments relate to a method for use in a user equipment (UE), and a cellular infrastructure, for achieving synchronization between UEs for a peer-to-peer or device-to-device (D2D) communication. The method comprising: receiving at a UE a synchronization message from a cell or a RAT or a source of the cellular infrastructure; assembling a message including a list comprising information on the source or cell or RAT, sending the assembled message to a another UE and initiate synchronization between involved UEs based on the information in the assembled message. | 04-10-2014 |
20140112403 | MEASURING SIGNAL INTERFERENCE USING USER EQUIPMENT MEASUREMENTS - The invention relates to a method for measuring signal interference from an interfering transceiver node of a mobile communications network to a user equipment served by a serving transceiver node. The interfering transceiver node uses a plurality of defined radiation patterns for signal transmission, wherein a transmission of a sequence of the defined radiation patterns by the interfering transceiver node is triggered. Furthermore, signal measurements of the signal transmitted by the interfering transceiver node that uses the sequence of the defined radiation patterns are triggered at the user equipment and an interference level of the signals received at the user equipment is estimated from the interfering transceiver node in dependence on the sequence of the defined radiation patterns, wherein the interference level is estimated based on the triggered signal measurements received from the user equipment. | 04-24-2014 |
20140122607 | Method and Radio Base Station in a Cellular Communications Network for Device-to-Device Communications - A method in a radio base station for establishing user equipment candidates for a wireless direct device to device connection is provided. The radio base station is comprised in a wireless communication network. The radio base station detects ( | 05-01-2014 |
20140146780 | Multiple Gateway Handling for Supporting Network Sharing of Home Base Stations - A home base station receives from a wireless user equipment an identification of a selected cellular core network among multiple available cellular core networks to which the wireless user equipment is to be connected. The home base station identifies a communication path to a home base station gateway is associated with the selected cellular core network and communicates with the selected cellular core network that was identified over the communication path that was identified. The home base station may thereby be shared among multiple cellular core networks. Related networks, methods and home base stations are described. | 05-29-2014 |
20140171062 | Wireless Devices, Network Node and Methods for Handling Relay Assistance in a Wireless Communications Network - A method in a second wireless device for handling relay assistance from a first wireless device in a wireless network is provided. The second wireless device sends ( | 06-19-2014 |
20140256334 | METHOD AND ARRANGEMENT FOR HANDLING DEVICE-TO-DEVICE COMMUNICATION IN A WIRELESS COMMUNICATIONS NETWORK - A method in a radio network node for handling a Device-to-Device, D2D, communication is provided. The D2D communication is wireless, and the radio network node is comprised in a wireless communication system. After receiving ( | 09-11-2014 |
20140274066 | User Equipment and a Radio Network Node, and Methods Therein for Device-to-Device Communication - Embodiments relate to device-to-device (D2D) communications in a communications network ( | 09-18-2014 |
20140308916 | Method For Generating A Congestion Flag Based On Measured System Load - A radio base station generates a congestion status flag, based on measured resource usage in its cell, and based on performance of sessions in the cell. The flag may be a one bit, or a small number of bits, indicating whether the base station is congested. The flag can be sent to neighbouring radio base stations, for use in determining whether to perform handovers to that radio base station. The flag generated in a radio base station, and the flags generated in neighbouring radio base stations, can also be sent to user equipment in a cell. | 10-16-2014 |
20140321314 | USER EQUIPMENT AND A RADIO NETWORK NODE, AND METHODS THEREIN - Embodiments herein relate to a user equipment and a radio network node, as well as to methods therein. The method in the radio network node relates to the control of resource allocation for device-to-device (D2D) communications in a communications network. The network comprises the network node, a first user equipment (UE), and a second UE, wherein at least one of the first and second UEs is a first D2D capable UE. The method comprises configuring the second UE to transmit a reference signal, transmitting configuration information relating to the second UE to the first UE, receiving a measurement result of the measurement performed by the first UE on the transmitted reference signal, and performing one or more radio operation task for a D2D communication between the first D2D capable UE and a second D2D communication capable UE based on the received measurement result. | 10-30-2014 |
20150078156 | Integrated Multi-Radio Access Technology Multi-Frequency Admission Control - A node of a multiple radio access technology (multi-RAT) system acquires resource status information associated with each RAT of the multi-RAT system. The resource status information of the RATs of the multi-RAT system can be acquired by sniffing higher layer protocol information pertaining to call setup requests and/or call terminated messages. The node further maintains a flag representing overall resource availability associated with the RATs of the multi-RAT system, based on the acquired resource status information, for use in admission control and/or load balancing. The flag is associated with a pre-defined set of overall resource availability states of the multi-RAT system, where the availability states are defined in terms of admission control decisions. | 03-19-2015 |