Patent application number | Description | Published |
20090003485 | Mimo Transmitting Apparatus And Mimo Transmitting Method - A MIMO transmitting apparatus wherein a low power consumption and a high performance can be achieved by taking the influence of variation in communication distance into account. In this apparatus, a low power consumption design part ( | 01-01-2009 |
20090122887 | CARRIER ALLOCATION METHOD IN MULTI CELL ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM - Provided is a carrier allocation method in a multi cell OFDMA system capable of improving the system capacity and the bit error rate performance. The method includes a step (S | 05-14-2009 |
20120140638 | Method, System and Device for Using Terminal Identifier - The embodiments of the present invention disclose a method, a system and a device for using a user equipment identity, and the method includes: the network side configures, for a user equipment performing carrier aggregation, the uniform Radio Network Temporary Identity (RNTI)(s) in the cell where the carrier aggregation is performed; the network side and the user equipment perform data reception and transmission using the uniform RNTI(s) configured in the cell where the carrier aggregation is performed. By the invention, a user equipment with carrier aggregation technology is able to perform the data reception and transmission with each cell using the RNTI(s). | 06-07-2012 |
20120188975 | METHOD AND DEVICE FOR DETERMINING CARRIER SCHEDULING MODE - A method for indicating and determining a carrier scheduling mode in a Long Term Evolution-Advanced (LTE-A) system is disclosed in the present invention. The method is that: a network device determines whether a component carrier adopts a cross-carrier scheduling mode to perform resource scheduling, and transmits first indication information that indicating whether the component carrier adopts the cross-carrier scheduling mode to perform the resource scheduling to a User Equipment (UE), so as to indicate the UE to determine whether adopting the cross-carrier scheduling mode to perform the resource scheduling on a component carrier supported by the UE itself according to the received first indication information. By adopting the present solution, the UE supporting multi-carriers in the LTE-A system is able to determine which mode one certain component carrier or several certain component carriers adopt to perform the resource scheduling, thereby performing data reception/transmission correctly. | 07-26-2012 |
20120250562 | MEASUREMENT EVALUATION METHOD, SYSTEM AND DEVICE FOR MULTI-CARRIER SYSTEM - The embodiments of the present invention provide a measurement evaluation method, system and device for a multi-carrier system. The method includes that: UE receives measurement configuration information transmitted by an eNB, where the measurement configuration information comprises a to-be-measured frequency and report configuration; the UE determines signal quality of a measurement reference cell according to the measurement configuration information and current aggregated cells of the UE; the UE performs measurement for signal quality of a target cell on the to-be-measured frequency, and based on the signal quality of the measurement reference cell, performs evaluation for the target cell according to the report configuration; and if an evaluation result indicates that the signal quality of the target cell fulfills a report condition contained in the report configuration, the UE reports the signal quality of the target cell to the eNB. | 10-04-2012 |
20120294178 | MEASUREMENT CONTROL METHOD, SYSTEM AND DEVICE FOR MULTI-CARRIER SYSTEM - A measurement control method, system and device for a multi-carrier system are disclosed. The method includes that: UE selects the channel quality of a serving carrier or serving carrier group as a reference value, uniformly starts measurement on carriers except serving carriers or serving carrier groups when the reference value is smaller than a measurement starting threshold, s-Measure, configured by an eNB for the serving carriers or serving carrier groups, and uniformly closes the measurement on the carriers except the serving carriers or serving carrier groups when the reference value is larger than or equal to the s-Measure. Through referring to the channel quality of one serving carrier or one serving carrier group, measurement on the carriers except the serving carriers or serving carrier groups is uniformly started and closed, so as to solve the problem that the UE controls measurement according to multi-carrier signal quality in multiple serving cells. | 11-22-2012 |
20130016702 | METHOD, APPARATUS AND SYSTEM FOR REPORTING MDT LOG RESULTAANM Yan; NanAACI BeijingAACO CNAAGP Yan; Nan Beijing CNAANM Li; HaitaoAACI BeijingAACO CNAAGP Li; Haitao Beijing CN - 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. | 01-17-2013 |
20130100841 | MEASUREMENT CONFIGURATION METHOD OF MULTI-CARRIER SYSTEM AND EQUIPMENT THEREOF - The present invention discloses Measurement configuration method of multi-carrier system and equipment thereof, and the method comprises the following steps: the terminal determines whether the frequency of target PCC exists in the measurement configuration after inter-frequency handover or inter-frequency RRC connection re-establishment is completed successfully, exchanges relevant measurement configuration of source PCC with that of target PCC when that of target PCC exists in the determined measurement configuration; and, deletes or reserves relevant measurement configuration of SCC, or exchanges relevant measurement configuration of source SCC with that of target SCC. The present invention solves the problem of measurement exchange and configuration of terminal under CA working condition when RRC connection re-establishment and handover of inter-frequency are completed successfully, saves air interface signaling and reduces the realization complexity. | 04-25-2013 |
20130163454 | MEASUREMENT CONFIGURATION AND REPORTING METHOD FOR MULTI-CARRIER SYSTEM AND DEVICE THEREOF - The present invention discloses a measurement configuration and reporting method for multi-carrier system and device thereof, and the method comprises the following steps: eNB sends RRC signaling carrying multi-carrier measurement configuration information to the terminal; said terminal measures according to said multi-carrier measurement configuration information and carries multi-carrier measurement results in measurement report message. In the embodiments of the present invention, the terminal carries multi-carrier measurement results in measurement report message according to RRC signaling sent by eNB to quickly provide measurement results required during eNB handover, thus facilitating source eNB to perform multi-carrier handover for UE under CA. | 06-27-2013 |
20130165124 | CELL DEPLOYMENT METHOD AND DEVICE FOR REPLACING PCELLS - A cell deployment method and device for replacing PCells, used for enabling PCell replacement in a carrier aggregation system. Said method comprises: a User Equipment (UE) obtains PCell and SCell deployment information via a PCell replacement command; UE obtains target PCell and target SCell deployment information by combining the obtained PCell and SCell deployment information with saved original PCell and SCell deployment information, and hands over from the original PCell and original SCell to the target PCell and target SCell. A device used to carry out the method is also disclosed. | 06-27-2013 |
20130183972 | METHOD, SYSTEM AND DEVICE FOR TRANSMITTING HANDOVER INFORMATION - The present invention discloses method, system and equipment for transmitting handover information. The method comprises: source eNB sends handover request to target eNB, and distinguished the carried primary cell (Pcell) candidate set and secondary cell (Scell) candidate set through the identification information carried by said handover request. That carrying indication information of target eNB is used for selecting Pcell and Scell through handover request information during multicarrier handover is realized through the embodiments of the present invention. | 07-18-2013 |
20130237229 | INTERFERENCE INFORMATION PROCESSING METHOD AND DEVICE - Disclosed are an interference information processing method and device. The method comprises: a user terminal determining completion of reestablishment of an RRC connection; and the user terminal reporting interference indication information to a target cell. In the embodiment of the present invention, after a connection is established between the user terminal and a target cell except a source cell, the target cell may obtain interference indication information of the user terminal through the user terminal or the source cell, so as to avoid in-device interference of the user terminal according to the interference indication information of the user terminal. | 09-12-2013 |
20130329715 | Methods, Apparatuses and Computer Program Products for Configuration of Signaling Radio Bearers - Methods, corresponding apparatuses, and computer program products for configuring one or more signaling radio bearers are disclosed. A method comprises sending a configuration request for configuring one or more signaling radio bearers to a local area access point by which a user equipment is connected to a wide area base station, wherein the one or more signaling radio bearers are used for communication between the user equipment and the wide area base station. The method also comprises receiving configuration information with respect to the one or more signaling radio bearers from the local area access point. The method additionally comprises sending the configuration information with respect to the one or more signaling radio bearers to the user equipment via a radio resource control message. With the claimed inventions, the wide area base station is capable of efficiently configuring the signaling radio bearers for use between the wide area base station and the user equipment via the local area access point. | 12-12-2013 |
20140171085 | METHOD AND APPARATUS FOR HANDOVER PROCESSING - In accordance with an example embodiment of the present invention, there is provided an apparatus such as a user equipment configured to receive a handover command from a network element, such as a base station, and to determine identities of a plurality of cells from the handover command, and to consider the cell identities as identities of cells prepared to accept the apparatus. The apparatus may be further configured to use one of the cells for re-establishment following a handover failure. | 06-19-2014 |
20140248919 | PICOCELL RANGE EXPANSION CONFIGURATION ON AUTHORIZED SHARED ACCESS - An apparatus, system, and method for a communication network that includes a picocell range expansion configuration on authorized shared access. A method may include determining, in a controller, at least one allowable maximal range expansion bias value for at least one picocell within a coverage area of a macrocell. The method may also include sending the determined allowable maximal range expansion bias value for the at least one picocell from the controller to the macrocell. A further method may include receiving at least one allowable maximal range expansion bias value for at least one picocell from a controller. The method may also include updating, by a macrocell, a range expansion bias value for each picocell within a macrocell based on the received allowable maximal range expansion bias value. | 09-04-2014 |
20140287693 | SPECTRUM SENSING - Provided are methods, corresponding apparatuses, and computer program products for performing spectrum sensing on a spectrum. A method comprises receiving, at a user equipment, information regarding performing spectrum sensing from a base station; performing, based upon the information, the spectrum sensing by the user equipment in an idle mode; and transmitting, by the user equipment out of the idle mode, to the base station a result of the spectrum sensing. With the claimed inventions, transmission interruption caused by non-idle user equipments performing the spectrum sensing would be eliminated. | 09-25-2014 |
20140321432 | PROVIDING SERVICE CONTINUITY FOR LOCAL AREA NETWORKS - Provided are methods, corresponding apparatuses, and computer program products for providing service continuity for local area networks. A method comprises receiving, during a handover procedure between local area networks, service information that relates to one or more services supported by one or more neighbor base stations; determining, based upon the service information, which one of the one or more neighbor base stations supports an ongoing service provided by a source base station to a user equipment; and handing over the user equipment from the source base station to the determined neighbor base station. With the claimed inventions, an inter-LAN handover procedure would not impact service continuity, resulting in a more robust user experience. | 10-30-2014 |
20140337935 | FAST-ACCESSING METHOD AND APPARATUS - A fast-accessing method may comprise: establishing a first security connection between a first network node and a user equipment; obtaining first information from a second network node, wherein the first information comprises at least one of system information of the second network node and an identifier of a security algorithm selected by the second network node for the user equipment; providing second information to the second network node, in response to an indication of the second network node from the user equipment, wherein the second information comprises security information related to the user equipment; and sending the first information to the user equipment for establishing a second security connection between the user equipment and the second network node. | 11-13-2014 |
20140362691 | METHOD AND APPARATUS FOR AUTONOMOUS OPERATION IN CELLULAR-BASED LOCAL AREA NETWORKS - In accordance with an example embodiment of the present invention, a method comprises configuring an autonomous mode for traffic offloading; and indicating the autonomous mode towards at least one terminal, wherein said autonomous mode supports local area radio access connectivity by internet protocols to reduce control from a core network. Related apparatus and computer program product are also described. | 12-11-2014 |
20140362798 | SHIFTING HARQ FEEDBACK FOR COGNITIVE-RADIO-BASED TD-LTE SYSTEMS - A method includes, in response to a determination one or more quiet periods conflict with specified hybrid automatic repeat request feedback timing, sending one or more indicators to one or more user equipment to indicate to the user equipment to shift the specified hybrid automatic repeat request feedback timing to a shifted hybrid automatic repeat request feedback timing. The method includes communicating hybrid automatic repeat request feedback based on the shifted hybrid automatic repeat request feed-back timing. Another method includes receiving at a user equipment one or more indicators indicating to the user equipment to shift specified hybrid automatic repeat request feedback timing to a shifted hybrid automatic repeat request timing, and communicating hybrid automatic repeat request feedback based on the shifted hybrid automatic repeat request timing. Apparatus, computer program product, and computer programs are also disclosed. | 12-11-2014 |
20140369313 | METHOD AND APPARATUS FOR ENABLING RE-ESTABLISHMENT PROCEDURE IN A HETEROGENEOUS NETWORK - The present invention relates to method and apparatus for enabling re-establishment procedure in a heterogeneous network. According to an embodiment of the present invention, a method for a master node working with inter-site carrier aggregation in a heterogeneous network is provided. The method comprises: performing detection for whether there is a trigger for transferring UE context which is indispensable for a successful re-establishment procedure for a user equipment to at least one slave node; transferring, once said trigger is detected, said UE context to said at least one slave node. According to an embodiment of the present invention, there is also provided an apparatus of a master node, and corresponding computer program product. | 12-18-2014 |
20140370897 | Providing Mobility Control for Local Area Networks - Provided are methods, corresponding apparatuses, and computer program products for providing mobility control for local area networks. A method includes connecting a user equipment to a first base station, wherein the first base station and the use equipment are connected with a second base station; and disconnecting the first base station from the second base station and connecting the first base station to a third base station during a handover of the user equipment from the second base station to the third base station. With the claimed inventions, mobility of a user equipment in local area networks can be well controlled and thus service continuity would be maintained, resulting in a robust user experience. | 12-18-2014 |
20140376515 | METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR WLAN DISCOVERY AND HANDOVER IN COEXISTED LTE AND WLAN NETWORKS - Provided are methods, corresponding apparatuses, and computer program products for triggering WLAN discovery and handover procedures in coexisted LTE and WLAN networks. A method comprises receiving, from a first base station, information that has been exchanged 5 between the first evolve Node B and a second base station and that relates to at least one wireless local area network access point connected or co-located with the first base station or the second base station; and performing a wireless local area network discovery procedure with the at least one wireless local area network access point based upon the received information. With the claimed inventions, signaling cost and power consumption by those unnecessary WLAN 10 discovery procedures could be avoided, acquiring a longer battery life for a user equipment. | 12-25-2014 |
20150017976 | METHOD AND APPARATUS FOR ENHANCED CONNECTION CONTROL - A method for enhanced connection control may comprise: maintaining a first connection between a first network node and a user equipment which has a second connection with a second network node; determining a third network node for re-establishing a third connection between the third network node and the user equipment, in response to a link failure of the second connection; and transferring context information of the user equipment from the first network node to the third network node. | 01-15-2015 |
20150036659 | Local Networks - The invention relates to an apparatus including at least one processor and at least one memory including a computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: provide access to a network and needed bearers locally, and obtain offload bearer traffic from an umbrella node under control of the umbrella node in such a manner that a core network sees the offload bearer traffic as internal umbrella node traffic. | 02-05-2015 |
20150063091 | RECOVERING CONNECTION IN LTE LOCAL AREA NETWORK FOR EPS AND LOCAL SERVICES - A method is disclosed, comprising sending a local connection re-establishment request to a local access apparatus in response to a failure of a radio link by which a user equipment was connected to a local network and operated in a single radio mode to use bearer services provided by a macro network; and recovering local signalling radio bearer in response to successfully verifying, by the local access apparatus, local context of the user equipment. | 03-05-2015 |
20150092696 | METHOD AND APPARATUS FOR MANAGING RADIO BEARER FOR USER EQUIPMENT - Methods, a first network node, a second network node, computer program products and apparatuses for managing radio bearer for user equipment are disclosed. In an exemplary embodiment, a method for managing radio bearer for user equipment in a first network node comprises: sending a radio bearer management request; receiving a radio bearer management response, the radio bearer management response indicating a radio bearer to be managed and comprising radio resource configuration information; generating a radio bearer management message based on the radio bearer to be managed; including the received radio resource configuration information into the generated radio bearer management message; ciphering and integrity protecting the radio bearer management message; and sending the secured radio bearer management message. | 04-02-2015 |
20150133121 | METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR AUTONOMOUS CELL CHANGE BY UE IN NETWORK - A method, an apparatus and a corresponding computer program product are proposed. Wherein one of the method according to one embodiment of the invention determines at least one cell in a network sharing context of at least one user equipment with at least one other cell within the network. Then creates at least one measurement configuration being used by the at least one user equipment, wherein the at least one measurement configuration indicates at least to the at least one user equipment that it can decide whether to perform cell change without transmitting back its measurement report to its serving cell. Then method further transmits the created at least one measurement configuration to the at least one user equipment. | 05-14-2015 |
20150139189 | METHOD AND APPARATUS FOR MANAGING INFORMATION IN A COMMUNICATION SYSTEM - In accordance with an example embodiment of the present invention in a heterogeneous network, there is provided an apparatus, comprising a receiver configured to receive information from a local access point, the information comprising system information of a macro base station associated with the local access point. The information may be received responsive to a request and/or the information may comprise full system information. The at least one processing core may cause the apparatus to participate in a procedure with the macro base station based at least in part on the information. | 05-21-2015 |
20150156650 | METHODS, APPARATUSES, AND COMPUTER PROGRAM PRODUCTS FOR OUT-OF-BAND SENSING IN A COGNITIVE LTE SYSTEM - Provided are methods, corresponding apparatuses, and computer program products for performing out-of-band sensing on an unlicensed frequency band. A method comprises sending a configuration message for configuring measurement on at least one channel in a frequency band of a primary system; receiving a measurement report made based upon the configuration message; and determining the usability of the at least one channel based upon the measurement report, wherein the configuration message includes information regarding a respective predetermined threshold of energy detection or primary-system-feature detection, and the measurement report is for reception when a measured energy detection value or a measured primary-system-feature detection value of a received signal on the at least one channel is less than the respective predetermined threshold. With the claimed inventions, the spectrum efficiency would be improved and interference between a secondary system and an LTE system could be alleviated. | 06-04-2015 |
20150189558 | METHOD AND APPARATUS FOR WIRELESS COMMUNICATION IN A HETEROGENOUS NETWORK - A method, corresponding apparatuses, and a computer program product for wireless communication in a heterogeneous network are provided. The method comprises detecting, by a user equipment in a wireless wide area network, availability of a wireless local area network. The method also comprises transferring into a wireless local area network available state if the wireless local area network is available. The method additionally comprises transferring into a wireless local area network unavailable state if the wireless local area network is unavailable. In the method, the transferring into the wireless local area network available or unavailable state is independent of a concurrent radio resource control state of the user equipment. With the claimed inventions, good coordination of the radio resource control states in the heterogeneous network can be realized without affecting radio resource control of legacy networks. | 07-02-2015 |
20150203374 | METHOD AND REACTOR FOR REMOVING ORGANIC MATTERS BY IMMOBILIZED-ENZYMATIC ELECTRODE COUPLED ELECTRO-COAGULATION - The present invention provides a method and a reactor for removing organic matters by immobilized-enzymatic electrode coupled electro-coagulation. In the method, in a single electrochemical system, an enzyme-modified electrode is combined with electro-coagulation to synergistically remove organic matters from water. Certain electrochemical parameters are controlled such that a polymerization reaction is performed between hydrogen peroxide generated by a cathode reaction and organic matters catalyzed by the immobilized-enzymatic electrode. After the polymerization reaction, the organic product enters an anode chamber through a pump. The organic product is precipitated and removed by performing a reaction between the organic product and different hydrolysis products from the electro-coagulation through a coagulating/flocculating effect of compression of a double electric layer, adsorption and electric neutralization as well as precipitation capture. Ultimately, the object of removing the organic matters synergistically through the enzymatic catalyzed polymerization at the cathode and the electro-coagulation at the anode is achieved. The present invention has a strong selectivity for low-concentration toxic organic pollutants and a good effect in removing small-molecular hydrophilic organic matters, the addition amount of enzyme is low, the cathode and the anode are fully used, the cost is reduced, the operation is simple, and the applicable is wide, therefore, the present invention is applicable to a variety of water and wastewater containing organic matters, and the contaminated water. | 07-23-2015 |
20150215838 | METHOD AND APPARATUS FOR MOBILITY CONTROL IN HETEROGENOUS NETWORK - Methods, corresponding apparatuses, and computer program products for mobility control in a heterogeneous network are provided. The method comprises sending, by a source local area base station (e.g., a source access point), a handover request for handing over a user equipment to a target local area base station (e.g., a target access point), wherein the source and target local area base stations are connected with a same wide area base station and the user equipment is connected with the same wide area base station via the source local area base station. The method also comprises handing over, based on a handover request acknowledgement from the target local area base station, the user equipment to the target local area base station for continuing with at least one of an ongoing local area service and an ongoing wide area service without changing security keys of the same wide area base station. With the claimed inventions, the handover latency and service continuity during the inter-AP mobility would be efficiently improved in a secure manner. | 07-30-2015 |
20150223221 | METHODS AND APPARATUSES FOR SIGNALING RADIO BEARER TRANSMISSION IN A HETEROGENOUS NETWORK - Methods, corresponding apparatuses, and computer program products for signaling radio bearer transmission in a heterogeneous network are provided. The method comprises performing, by a user equipment, as least one of the following: a local area radio resource control connection procedure with a local area base station over a local area specific signaling radio bearer; and a wide area radio resource control connection procedure with a wide area base station over a wide area specific signaling radio bearer via the local area base station. With the claimed inventions, the transmission of the specific signaling radio bearer (e.g., SRBO) in the heterogeneous network can be efficiently managed and implemented. | 08-06-2015 |
20150230098 | METHOD AND APPARATUS FOR SCHEDULING RADIO RESOURCES - Embodiments of the disclosure provide methods and apparatuses for scheduling radio resources in a communication system. According to the method, in response to receiving a request for accessing a target frequency band utilized by a Macro BS and a LPN from a frequency-shared system, a first notification is transmitted to the Macro BS, such that the Macro BS deactivates the target frequency band, and a second notification is transmitted to the LPN, such that the LPN extends its coverage. Then, information on the extended coverage is received from the LPN. | 08-13-2015 |
20150271733 | METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PATH SWITCH IN DEVICE-TO-DEVICE COMMUNICATION - Methods, corresponding apparatuses, and computer program products for path switch in the D2D communication are provided. The method comprises receiving, from a network element, a path switch command which is generated when a pair of user equipments in device-to-device communication over a default data path is served by the same base station. The method further comprises switching, based at least in part upon the path switch command, a data path of the pair of user equipments in the device-to-device communication from the default data path to an optimized data path. With the claimed inventions, smooth switching could be realized without degradation to the user experience. | 09-24-2015 |
20150282243 | METHODS AND APPARATUSES OF RADIO RESOURCE CONTROL CONNECTION RECOVERY - A method and related user equipment for radio resource control connection recovery are disclosed. In an exemplary embodiment, the method comprises: detecting a RLF of a radio link between a first user equipment and a radio access node; informing a second user equipment which communicates with the radio access node via the first user equipment to suspend a radio resource control connection state; executing a radio resource control connection reestablishment procedure with the radio access node; and informing the second user equipment to resume the radio resource control connection state if the radio resource control connection reestablishment is successful. In addition, a method and related user equipment used with radio resource control connection recovery are disclosed. | 10-01-2015 |
20150289244 | METHOD AND APPARATUS FOR SIGNALLING TRANSMISSIONS - A method, corresponding apparatuses, and a computer program product for signalling transmissions are provided. A method comprises generating a radio resource control message relating to a local service between a user equipment and a local area network access point which is connected to a wide area base station. The method further comprises sending the radio resource control message over a dedicated signalling radio bearer. With the claimed invention, the local area network access point is able to map different radio resource control messages for local or EPS services to different signalling radio bearers correctly. | 10-08-2015 |
20150289307 | Method and apparatus for device-to-device communication - In accordance with an example embodiment of the present invention, there is provided an apparatus, comprising at least one processing core configured to determine an opportunity for device-to-device, D2D, communication, and at least one transmitter configured to cause transmitting of a D2D communication request, wherein the D2D communication request at least one of comprises a radio resource control signaling message and comprises an indication of a type of D2D communication that is requested. The indicated type may comprise D2D communication with no fallback to cellular connectivity, wherein such a D2D communication can be established without involving a core network, CN. | 10-08-2015 |
20150296431 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR PERFORM HANDOVER IN A HETEROGENOUS NETWORK - A method, a corresponding apparatus, and a computer program product for performing a handover in a heterogeneous network. The method comprises sending, by a source local area base station, one or more handover requests with respect to an ongoing local area an ongoing local area service to one or more neighbor local area base stations and one or more handover requests with respect to an ongoing wide area service to a wide area base station. The method also comprises receiving one or more handover commands with respect to the ongoing local area service from the one or more neighbor local area base stations and one or more messages from the wide area base station, each message including information regarding one of the one or more neighbor local area base stations. The method additionally comprises selecting, based upon the one or more received handover commands and messages, one of the one or more neighbor local area base stations as a target local area base station for service continuity of at least one of the ongoing local area service and the ongoing wide area service. With the claimed inventions, the service continuity of at least one of the ongoing local area service and the ongoing wide area service could be maintained and handover can be completed in a seamless manner. | 10-15-2015 |
20150312811 | METHOD AND APPARATUS FOR HANDOVER IN HETEROGENEOUS SYSTEM - Embodiments of the disclosure provide methods and apparatuses for handover in a heterogeneous network. According to the method, a candidate radio connectivity mode for use after handover from a source BS to a first target BS and/or a second target BS is determined; a first handover related message which comprises the candidate radio connectivity mode is sent to the source BS; and in response to receiving a second handover related message, the first target BS and/or the second target BS may be accessed, wherein the source BS is not associated with the first target BS, and wherein the first target BS is a LPN and is associated with the second target BS. | 10-29-2015 |
20150312892 | METHODS FOR DEVICE-TO-DEVICE CONNECTION RE-ESTABLISHMENT AND RELATED USER EQUIPMENTS AND RADIO ACCESS NODE - Methods for D2D connection re-establishment and related user equipments and radio access node are disclosed, wherein the D2D connection is established between a first user equipment and a second user equipment under the control of a radio access node. In one embodiment, the method comprises: receiving, by the first user equipments, a first message from the second user equipments, the first message comprising a first credential which is calculated by the second user equipment; verifying the first credential by the first user equipment; and sending a second message indicating acknowledgement of the D2D connection re-establishment from the first user equipment to the second user equipment upon successful verification of the first credential. | 10-29-2015 |
20150327144 | METHOD AND APPARATUS FOR CELL RESELECTION - Various embodiments of the present invention provide a method for cell reselection, comprising: receiving, at a user equipment, system information from a network node that is shared by two or more operator networks, wherein the system information comprises first information associated with at least one operator network related to one or more neighboring cells for the user equipment; determining whether there is an operator network accessible to the user equipment in the at least one operator network, based at least in part on the first information; and performing a cell re-selection procedure only when one or more accessible operator networks are determined. | 11-12-2015 |
20150334754 | METHOD AND NETWORK ELEMENT FOR CONTROLLING UE'S STATE TRANSITION IN PROXIMITY WIRELESS COMMUNICATION - Disclosed are methods and apparatus for controlling state transition of a user equipment UE in proximity wireless communication. A method can comprise: learning about an associated agent's context of a connected UE and said UE's capability; deciding to put the connected UE into virtual associated state; sending to said UE a message with indication of putting said UE into said virtual associated state as well as the UE's context; and maintaining said associated agent's context of the UE. | 11-19-2015 |
20150373764 | Management of Radio Resource Control for Device-to-Device Communication - Measures are provided for management of RRC for D2D communication. Such measures include setting a connected state of RRC for device(s) of a pair of devices. For the devices(s), both a D2D communication service between the pair of devices and a core network communication service between the device(s) and a core network entity are active. The setting enables radio resource management for the device(s) for the D2D communication service and the core network communication service. Termination of the core network communication service is detected for the device(s). A connection towards the core network entity is reconfigured for disabling the core network communication service of the device(s). The connected state of RRC is maintained for the devices(s) of the pair of devices, for which the device(s) only the device-to-device communication service is active. The maintaining enables radio resource management for the device(s) for the D2D communication service. | 12-24-2015 |
20160029265 | METHOD AND APPARATUS FOR MOBILITY CONTROL IN A HETEROGENOUS NETWORK - A method, corresponding apparatuses, and a computer program product for enhancing small cell mobility are provided. The method comprises measuring a first channel quality level in a primary serving cell over a primary component carrier. The method also comprises measuring a second channel quality level in a secondary serving cell over a secondary component carrier. The method further comprises performing neighbor cell measurement on a list of frequency carriers if the first channel quality level is higher than a first threshold value and the second channel quality level is lower than a second threshold value. With the claimed inventions, small cell layer's neighbor cell measurement would be also triggered by SCell's quality degradation, which may result in less UE power consumption. Further, measurement gap is used more economically and causes less impact on UE's data rate and throughput. | 01-28-2016 |
20160037399 | ENHANCED REPORTING FOR HANDOVER IN DEVICE-TO-DEVICE COMMUNICATION - A method, user equipment and a base station for handover in device-to-device communication are disclosed. To maintain continuity of the ongoing device-to-device communication after the handover, an enhanced reporting mechanism is introduced such that the user equipment with the ongoing device-to-device communication would be handed over to a cell of a neighbor base station that supports the device-to-device communication. In this manner, the device-to-device communication continuity may be maintained. | 02-04-2016 |
20160037440 | CELL DISCOVERY - This disclosure generally relates to cell discovery. In one embodiment, an association between a cell and an indicator index corresponding to one of a set of scrambling sequence indicators may be predefined. A first base station may transmit the set of scrambling sequence indicators to a second base station. The second base station may select an indicator from the indicators according to the predefined association, for generating a reference signal to be transmitted to user equipment. The user equipment may determine identification information of the cell based on the received reference signal and the predefined association, and transmit the identification information to the first base station. In this way, the user equipment may determine the identification information of the cell based on the received reference signal, and then transmit the identification information to the base station, such that the load on the base station may be reduced in the procedure of cell discovery. | 02-04-2016 |
20160037488 | RADIO RESOURCE CONTROL FOR D2D COMMUNICATION - This disclosure generally relates to radio resource control for D2D communication. In one embodiment, a master UE of the D2D communication may obtain radio resource information of a slave UE before performing radio resource configuration for the D2D communication between the master UE and the slave UE. Based on the radio resource information, the master UE may configure radio resource for the D2D communication. In this way, radio resource configuration may be performed for both the D2D communication and cellular communication without violating the slave UE's radio capability. | 02-04-2016 |
20160037513 | DISCOVERY REFERENCE SIGNAL OCCASION CONFIGURATION - This disclosure generally relates to a discovery reference signal occasion configuration. In one embodiment, a time period for transmission of a discovery reference signal may be obtained, which comprises a plurality of consecutive subframes. Furthermore, at least one first subframe of the time period may be configured for transmission of discovery reference signals from activated small cells, and at least one second subframe of the time period may be configured for transmission of discovery reference signals from deactivated small cells, wherein the at least one second subframe is different from the at least one first subframe. In this way, the activated small cells and the deactivated small cells may transmit discovery reference signals in different subframes within the discovery reference signal occasion such that the interferences of transmission of discovery reference signals may be significantly reduced. | 02-04-2016 |
20160050603 | INTERFERENCE INFORMATION PROCESSING METHOD AND DEVICE - Disclosed are an interference information processing method and device. The method comprises: a user terminal determining completion of reestablishment of an RRC connection; and the user terminal reporting interference indication information to a target cell. In the embodiment of the present invention, after a connection is established between the user terminal and a target cell except a source cell, the target cell may obtain interference indication information of the user terminal through the user terminal or the source cell, so as to avoid in-device interference of the user terminal according to the interference indication information of the user terminal. | 02-18-2016 |
20160050707 | METHOD AND APPARATUS FOR DATA RADIO BEARER CONFIGURATION IN A HETEROGENEOUS NETWORK - In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: receive information on data radio bearer transmission configuration from a primary serving cell or a secondary serving cell which indicates configuration of data radio bearer transmission in at least one serving cell; and transmit data according to the configuration. | 02-18-2016 |
20160073247 | METHOD AND APPARATUS FOR DYNAMIC CHARGING OVER MULTIPLE NETWORK NODES - A method, a corresponding apparatus, and a computer program product for dynamic charging over multiple network nodes. The method comprises collecting, at a first network node which has a first connection with a user equipment, charging information with respect to a second connection established between the user equipment and a second network node, wherein the second network node is connected with the first network node. The method also comprises combining charging information with respect to the first connection and the charging information with respect to the second connection. The method additionally comprises sending the combined charging information from the first network node to a core network entity for charging the user equipment. With the claimed inventions, the core network and wireless operators could be able to bill the services based on specific offloaded bearers considering associated QoS information, regarding to the case of multi-PLMN scenarios under network sharing. | 03-10-2016 |
20160135246 | HANDLING OF DEVICE-TO-DEVICE COMMUNICATIONS INTEREST INDICATION - This disclosure generally relates to handling of device-to-device communication interest indication. In one embodiment, a D2D UE may receive at its lower layer one or more first indicator for D2D communication interest indication from its higher layer during a time period of disconnection with its serving base station. The UE generates a second indicator for D2D communication interest indication based on the received first indicator(s). The second indicator is used to record or represent the latest first indicator for the UE's D2D communication interest indication received during the time period of disconnection. Once the connection with a base station is successfully reestablished, the UE reports to the re-established base station the generated second indicator to inform its D2D communication interest. | 05-12-2016 |
20160143052 | ADAPTIVE RESOURCE ALLOCATION FOR SIMULTANEOUS OPERATION OF CELLULAR AND DEVICE TO DEVICE COMMUNICATIONS - In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: detect that a mode change is required; and in response to the detection that a mode change is required, select a mode for resource allocation, wherein the mode is selected based on a command received by the apparatus or the mode is selected from a plurality of modes which comprises a first mode and a second mode, and wherein in the first mode the cellular communication and device to device communication are separated in time, and in the second mode the cellular communication and device to device communication take place simultaneously. | 05-19-2016 |