Abstract: Methods and devices are disclosed for enabling improved performance on a multi-subscriber identification module (multi-SIM) wireless communication device. The wireless communication device may detect transmit activity on a modem stack associated with the first SIM, and detect a communication activity scheduled on a modem stack associated with the second SIM having a higher priority. If the transmit activity on the modem stack of the first SIM will impede the communication activity, the wireless device may identify subframes on the modem stack associated with the first SIM that overlap in time with the communication activity and for each identified subframe, blank symbols that conflict with the communication activity to develop a partially blanked subframe. The partially blanked subframe may be transmitted according to a blanking policy.

Abstract: It is described a method for controlling a modulation and coding scheme for a transmission between a base station and a user equipment, wherein the modulation and coding scheme is selectable based on a first modulation and coding scheme table including entries corresponding to a plurality of modulation and coding schemes with a first maximum modulation order or based on a second modulation and coding scheme table including entries corresponding to a plurality of modulation and coding schemes with a second maximum modulation order. The method comprises selecting, by the base station, the first modulation and coding scheme table or the second modulation and coding scheme table, and controlling, by the base station, the modulation and coding scheme for the transmission between the base station and the user equipment based on the selected modulation and coding scheme table.

Abstract: The present invention provides a user scheduling method, a master base station, a user equipment, and a heterogeneous network. The method includes: receiving, by a master base station, a downlink interference indicator DII forwarded by a serving slave base station serving a user equipment UE, where the DII is sent to the serving slave base station by the UE attached to the serving slave base station, and when the DII is greater than a preset threshold, the DII indicates that the UE is in a high DII region; determining, according to the DII, whether the UE is in a high DII region; and if the UE is in a high DII region, allocating, when performing scheduling, fewer resources that may interfere with the UE.

Abstract: The present invention relates to an energy saving method and a centralized control device for receiving load information and SRS (Sounding Reference Signal) information of a cell from a base station, identifying whether an energy saving trigger condition is satisfied by using the received load information, identifying whether an energy saving condition is satisfied by using the received SRS information if the energy saving trigger condition is satisfied, and transmitting a transmission power management request message to the base station if the energy saving condition is satisfied. Further, the present invention provides a base station and a transmission power management method for the base station which manages a transmission power of a cell corresponding to a transmission power management request message received from the centralized control device.

Abstract: Embodiments of the present invention provide a method for assisting in uplink transmission and a base station. The method for assisting in uplink transmission includes: acquiring, by a first base station, auxiliary uplink control information of a user equipment; sending, by the first base station, the auxiliary uplink control information to a second base station; and performing, by the second base station, uplink data scheduling for the user equipment according to the auxiliary uplink control information. Therefore, a problem in which the second base station cannot acquire or correctly demodulate uplink information sent by the user equipment and consequently cannot schedule uplink data from the user equipment is solved.

Abstract: A mobile communication system supports cellular communication in which data communication is performed between a network and a user terminal and D2D communication in which data communication is directly performed among two or more user terminals. The mobile communication system comprises: a cellular communication terminal that is a user terminal that performs the cellular communication; a D2D communication terminal that is a user terminal that performs the D2D communication; and a base station that assigns a radio resource that is used by the cellular communication terminal for the cellular communication. The base station transmits assignment information indicating a radio resource that may possibly be used by the cellular communication terminal from among D2D radio resources available in the D2D communication to the D2D communication terminal.

Abstract: A method to reduce interference between a macro cell and a small cell in a radio communication system in which the macro cell and the small cell are allocated to overlap at least in part is disclosed. The interference reduction method includes the steps in which a small base station transmits macro cell identification information that identifies the macro cell, to a user terminal in a small cell, allocates a downlink control signal for the user terminal to a radio resource unit having a different index number from that of a radio resource unit where a downlink control signal to be transmitted from the macro base station is allocated, and interleaves the downlink control signal for the user terminal using an interleaving pattern that is generated based on the macro cell identification information and that is the same as an interleaving pattern used in macro base station.

Abstract: A system and method to implement a scheduling algorithm in a communication network using time division multiple access (TDMA) are described. The system includes a plurality of devices, each device transmitting a packet of data in the communication network, and a memory device to store the scheduling algorithm. The system also includes a processor to execute the scheduling algorithm to form a deterministic packet scheduling scheme, the deterministic packet scheduling scheme being based on a base unit representing a minimum among maximum packet intervals corresponding to the plurality of devices in the communication network.

Abstract: A method and apparatus for controlling energy expended by sensor network nodes is disclosed. The method comprises steps of acquiring energy information that is indicative of an energy status of a node in the network and adjusting at least one data transmission parameter according to the energy information. In a wireless network where the communication capacity and power energy of sensor nodes are limited, the invention provides the capability of efficiently utilizing the network resources, conserving power consumption of sensor nodes, and prolonging the life of the sensor network.

Abstract: System and method for characterizing a geographical location by finding the behavioral patterns of groups of users of mobile devices being in the vicinity of the geographical location. Accordingly, after an examined Point of Interest is determined, signaling data related to the users is aggregated over a limited period of time, from the cellular network they use. The location, including change in the location of the users, is continuously calculated and cross-checked with anonymous multi-sensors with data records from external data sources. Then the mobility patterns of users are derived and the users are classified to groups according to the cross-checking results. Finally, the geographical location is characterized according to the mobility patterns and the classification.

Abstract: Systems and methods for dynamically modifying neighbor lists for cells within telecommunications networks and/or modifying neighbor lists based on determined radio frequency coupling between cells are described. In some embodiments, the systems and methods access a neighbor list associated with a target cell or associated with one or more neighbor cells of the target cell within a network, apply one or more dynamic optimization rule sets to the target cell, and modify a neighbor list associated with the target cell or with neighbor cells to the target cell based on the applied rule sets.

Abstract: Provided are a communication method and apparatus for device-to-device (D2D). More particularly, the communication method for D2D includes configuring a network topology using at least one cooperating base station to communicate among devices included in multiple heterogeneous cells, creating an association between multiple device pairs and at least one base station based on configuring the network topology, and determining a cooperation context for communication among the multiple device pairs is provided. The communication apparatus carries out such a method.

Abstract: The present invention provides a wireless communication terminal which can flexibly select a base station according to communication quality and a load status and improve communication quality which a user experiences in a wireless communication system which does not include a handover mechanism and is not notified of availability of radio resources from each base station.

Abstract: A method of operating a wireless communication system (FIG. 4) is disclosed. The method includes receiving a plurality of reference signals from a respective plurality of transceivers (402). Each of the plurality of reference signals is measured to produce a respective plurality of channel state information (CSI) measurements (404). An aggregated channel quality indicator (CQI) is calculated from measuring the plurality of reference signals (406). The aggregated CQI is transmitted to at least one transceiver of the respective plurality of transceivers (408).

Abstract: A method, system, and computer-readable media for automatically detecting an abnormal data transfer rate in a channel instance. The method includes determining a normal data transfer rate for a particular channel instance and then monitoring data transfer rates for a channel instance. Corrective action may be taken when the data transfer rate in a channel instances deviates more than a threshold amount from the normal rate.

Abstract: At one node of a series of nodes supporting a series of wireless links to at least one communication device, transmitting information to assist the selection at at least one other node of said series of nodes of one or more carriers for the wireless link between said at least one other node and said communication device and/or a wireless link between said at least one other node and a further node of said series of nodes between said at least one other node and said communication device.

Abstract: The embodiments described herein provide a method and system for improve link adoption performance in wireless networks. The method for modifying the MCS index for transmission using a computed offset is provided. The offset is calculated based on HARQ feedback of transmissions. A transition probability matrix with plurality of MCS indices is used for selecting the MCS index for transmission based on the highest probability of transition. A pattern sequence of MCS indices is formed and the presence of the pattern is determined in the history of the HARQ transmissions. The frequency of the pattern presence is also determined and the MCS index is selected for the HARQ transmissions. A frequency database of MCS indices is built using source encoding techniques. The transition probabilities that are estimated from the frequency database along with a cost function associated with each MCS index will be used to compute next MCS index.

Abstract: Provided are a system for implementing multiple Radio Access Networks (RANs) convergence and a method thereof in the present invention. The method includes: an anchor RAN establishes a connection with a User Equipment (UE); the anchor receives a RAB establishment request from a Core Network (CN); the anchor RAN selects an auxiliary RAN; the anchor RAN sends quality of service (QoS) parameters to the auxiliary RAN, so that the auxiliary RAN establishes a connection with the UE according to the QoS parameters, while the anchor RAN keep the connection with the UE. With the methods provided in embodiments for the present invention, multiple RANs convergence is implemented, and the UE establishes connections with the anchor RAN and the auxiliary RAN at the same time, so as to improve the peak rate of the UE.

Abstract: A method and apparatus for multiplexing reference signals in a predetermined number of Code Division Multiplexing (CDM) groups to balance power across Orthogonal Frequency Division Multiplexing (OFDM) symbols are disclosed. In a wireless communication system, orthogonal sequences used for spreading the reference signals are allocated such that the order of orthogonal sequences allocated to a subcarrier of one CDM group has a predetermined offset with respect to the order of orthogonal sequences allocated to a subcarrier of another CDM group, adjacent to the subcarrier of the one CDM group.

Abstract: Provided are a method and apparatus for measuring interference in a wireless communication system. A terminal receives, from a base station, a zero-power channel state information (CSI) reference signal (RS) indicator that indicates whether or not to estimate interference using a zero-power CSI RS signal, and, according to the zero-power CSI RS indicator, measures interference on the basis of the zero-power CSI RS.

Abstract: Interference mitigation methods and systems are provided. A base station obtains physical channel information of a transmission signaled in a first frequency band between the base station and at least one user equipment (UE) associated with the base station. The transmission corresponds to at least one of an uplink communication or a downlink communication. An interference mitigation controller compares the obtained physical channel information to a predetermined interference condition, to identify a presence of interference in the transmission. A second frequency band different from the first frequency band is selected, responsive to the identified presence of interference. The base station sends an instruction to the at least one UE associated with the base station to signal using the selected second frequency band. At least one of the first frequency band and the second frequency band includes a Long Term Evolution (LTE) band.

Abstract: A radio communication system includes a network and a user terminal, wherein the network includes a plurality of radio stations and a controller which controls the plurality of radio stations, wherein at least two of the plurality of radio stations communicate with the user terminal, wherein the controller notifies the user terminal of information about resource for interference measurement, wherein the user terminal calculates and reports channel quality information based on the information.

Abstract: Methods and devices for synchronizing various independent wireless systems are disclosed. For example, an exemplary first base-station (120) capable of communicating with a first set of remote customer devices using a first wireless protocol and a first spectrum is configured to co-exist with a remote base-station capable of communicating with a second set of remote customer devices using the first wireless protocol and the first spectrum. The first base-station includes a physical layer (PHY) device (250) configured to transmit and receive wireless signals of the first protocol and the first spectrum, a suppression device (240) coupled to the PHY device, and a media access control (MAC) device (230) coupled to the PHY device configured to receive the remote set of wireless signals from the PHY device.

Abstract: The present disclosure provides methods and apparatuses for setting properties of a forwarding node. The forwarding node represents a relay or a repeater. The method includes establishing a connection for sending Direct Transfer messages between the forwarding node and a radio network node and sending to the radio network node a first Direct Transfer message. The first Direct Transfer message includes a relay indication, indicating to the radio network node that the first Direct Transfer message was sent from a forwarding node. The method also includes receiving from the radio network node a second Direct Transfer message, comprising setting information for setting properties of the forwarding node and setting the properties of the forwarding node based on the setting information.

Abstract: The invention relates to apparatuses, a method, computer program and computer-readable medium.

Abstract: Examples are disclosed for conducting an Internet Protocol (IP) communication session between a computer device and a communications server with the assistance of an intermediate communication device. A first communication channel between the computer device and the communications server is established for sending and receiving an IP packet data media stream representative of the IP communication session. The quality of service (QoS) for the IP packet data media stream is monitored to determine whether the they are sufficient to sustain a minimum QoS. A second communication channel that includes the intermediate communication device is established.

Abstract: A system and method for dynamically improving or optimizing the performance and robustness of a wireless communication network such as a mobile communication system or cellular telephony network are disclosed. In some aspects, a plurality of time and space dependent key performance indicators (KPI) are used as part of a statistical determination of a pattern and schedule for optimizing the design, configuration and operation of the network. By dynamically applying a method of multiple KPI deviations (MKD) the system and method improves handover execution in cellular or similar systems and reduces radio link failures and improves overall subscriber service quality.

Abstract: A smoothed transport block size is forecasted by predicting future value information based on historical time series data obtained at an e-Node B. The historical time series data includes historical transport block size information and historical modulation and coding scheme information. A mapping function is used to correlate the future value information with historical transport block size information. Once the mapping function is determined, the mapping function forecasts the average transport block sizes by inputting the future value information into the mapping function. The smoothed transport block sizes and the future value information is then transmitted to an application server and/or an application client at a user equipment to control an operation of an application.

Abstract: Embodiments are provided for uplink measurement based mechanism and control using user equipment (UE) centric sounding signals. The mechanism provides an alternative to DL-measurement dominated system control. Based on UL-measurements at TPs, the network obtains knowledge of users' channel and timing information, traffic, and interference, and is thus able to perform better control, including TP and UE clustering and optimization, and power control and link adaptation. In an embodiment method, a TP receives one-to-one mapping information indicating a plurality of UE IDs and a plurality of sounding channels assigned to the corresponding UE IDs. When the TP detects a sounding reference signal (SRS) from a UE, the TP is able to identify the UE using the detected SRS and the one-to-one mapping information. The TP then obtains measurement information for the identified UE, enabling better control and communications for uplink and downlink transmissions between multiple TPs and the UE.

Abstract: The invention relates to a method for supporting cell change between frequency layers. The method is performed in a Radio Network node of a wireless communication network deploying two frequency layers. The Radio Network node serves a User Equipment in a cell of a first of the two frequency layers. The User Equipment is configured to perform measurements on the first frequency layer, and to exclude measurements on a second of the two frequency layers. The method comprises receiving information from the User Equipment related to a coverage of a target cell of the second frequency layer, and determining whether to change to the target cell based on the received information.

Abstract: Embodiments of the present invention provide a mobility control method and apparatus. The method includes: receiving a first message sent by a network-side device. The first message includes first information used to indicate a measurement parameter, where the measurement parameter includes an extended-cell individual offset and/or a range extension. The extended-cell individual offset is used for measurement reporting. A range of the extended-cell individual offset is greater than a range of a cell individual offset. The range extension is used for a cell reselection and measurement reporting. The method also includes determining the measurement parameter according to the first information and performing mobility control for the target cell according to measured quality of a target cell and the measurement parameter.

Abstract: This document discloses a solution for reducing interference between wireless networks. According to an aspect, a method comprises: acquiring, by an access node of a first wireless network from at least one node of the first wireless network, information on at least one interfering node of a second wireless network; generating, by the access node, mapping information between the node of the first wireless network and said at least one interfering node; and causing, by the access node, transmission of the mapping information to another access node of the second wireless network.

Abstract: A wireless communication system is provided including a first base station, and a second base station having a coverage area at least one part of which overlaps a coverage area of the first base station. The communication system includes a measurer that measures a utilization degree of at least one mobile station connected to the second base station, and an adjuster that adjusts a wireless resource allocation of the at least one mobile station connected to the second base station based upon the utilization degree.

Abstract: A method includes: reporting a scheduling parameter to a centralized control node, where the scheduling parameter includes information of a cell which interferes a serving cell of a user equipment and/or load information of the serving cell of the user equipment, the information of the cell which interferes the serving cell of the user equipment is generated from a measured result reported by the user equipment, and the measured result is obtained by performing a measurement on a cell adjacent to the serving cell of the user equipment; receiving scheduling control information sent by the centralized control node, where the scheduling control information is determined according to the scheduling parameter; and scheduling resources according to the scheduling control information.

Abstract: Embodiments relate to systems and methods for establishing upload channels to a cloud data distribution (CDD) service. In particular, an administrator of a user network can desire to migrate data to a cloud-based network via the CDD service. The administrator can provide specifications for transferring the data to the CDD service via a connection between the CDD service and the user network. The CDD service can generate a set of options for transferring the data based on the specifications and a specification of the connection. The set of options can be provided to the administrator, the administrator can select one of the options, and the transfer of the data can be initiated according to the selected option.

Abstract: A method routes data packets especially in wireless communication network formed by a plurality of network nodes.

Abstract: The present invention relates to a method for determining a precoding matrix for downlink signal transmission in a base station cooperative wireless communication system. The method includes receiving from a first terminal first channel information between the first base station and the first terminal, and second channel information between a second base station and the first terminal, transferring the first and the second channel informations to the second base station, determining a first precoding matrix for a first channel maximizing the efficiency of transmission to the first terminal, and determining, by the second base station, a second precoding matrix for a third channel between the second base station and the first terminal in order for a signal transmitted from the second base station to the first terminal to be arranged in an area where a signal transmitted from the first base station to the first terminal is not used.

Abstract: Systems and methods for identifying interference that warrants dynamic frequency selection (DFS) are provided. In one example, a wireless data radio system includes a radio frequency receiver and thresholding circuitry. The radio frequency receiver may provide a received signal strength indicator. The thresholding circuitry may compare the received signal strength indicator to a threshold value associated with radio interference, determine whether a dynamic frequency selection operation is warranted based at least in part on the comparison, and output a dynamic frequency selection signal indicating whether the dynamic frequency selection operation is warranted.

Abstract: A method and an apparatus are described for a cooperative scheduling using interference between multiple points. For each link, a cooperation set is set including cooperation links for a cooperative scheduling. A cooperation session map is generated that defines a cooperation link selected from the cooperation set for each link in each session of a network. A cooperation group is determined to be scheduled simultaneously using the cooperation session map.

Abstract: A method of operating a wireless communication system (FIG. 4) is disclosed. The method includes receiving a plurality of reference signals from a respective plurality of transceivers (402). Each, of the plurality of reference signals is measured to produce a respective plurality of channel state information (CSI) measurements (404). An aggregated channel quality indicator (CQI) is calculated from measuring the plurality of reference signals (406). The aggregated CQI is transmitted to at least one transceiver of the respective plurality of transceivers (408).

Abstract: A communication method for a wireless communication network comprises: providing a femto base station configured to communicate wirelessly with one or more wireless communication devices within the coverage area of the femto base station, wherein the femto base station may communicate on a plurality of different carrier frequencies; monitoring each communication device within the coverage area; and activating and/or deactivating one or more main carrier frequencies of the femto base station, in accordance with communication requirements of the communication devices; wherein a communication device, which is within the coverage area of the femto base station but is not being served by an active main carrier frequency of the femto base station, is served by a macro base station, having a coverage area within the coverage area of the femto base station, or, if the femto base station is also capable of communicating on auxiliary carrier frequencies, an auxiliary carrier frequency.

Abstract: Disclosed herein are systems, methods, and computer readable-media for adaptive media playback based on destination. The method for adaptive media playback comprises determining one or more destinations, collecting media content that is relevant to or describes the one or more destinations, assembling the media content into a program, and outputting the program. In various embodiments, media content may be advertising, consumer-generated, based on real-time events, based on a schedule, or assembled to fit within an estimated available time. Media content may be assembled using an adaptation engine that selects a plurality of media segments that fit in the estimated available time, orders the plurality of media segments, alters at least one of the plurality of media segments to fit the estimated available time, if necessary, and creates a playlist of selected media content containing the plurality of media segments.

Abstract: A method is provided for operating a radio network node of a radio communications network. A wireless device in a cell of a first radio network node may be identified as having at least one transmission-specific property that affects a sensitivity to interference. Data identifying the at least one transmission-specific property corresponding to the wireless device in the cell of the first radio network node is sent from the first radio network node to a second radio network node that includes at least a portion of an overlapping cell relative to the first radio network node. Related methods in radio network nodes and apparatuses are disclosed.

Abstract: A power control system and method to mitigate interference in a heterogeneous network is provided. A power control method to mitigate interference may include: receiving a link connection request from a femto terminal; transmitting a downlink signal when the link connection request is allowed; receiving information of a macro terminal present around a femto base station; controlling a power of the downlink signal in response to a high interference indicator (HII) report being included in the received information of the macro terminal; and controlling the power of the downlink signal based on a priority of service while satisfying predetermined constraints, in response to the HII report in a state in which the power of the downlink signal is decreased up to a predetermined required power.

Abstract: A system and method dynamically scale power consumed by the circuitry of an electronic device based on channel state and/or data rate. The electronic device then operates according to the power scaling. The scaling may be in accordance with an effective data rate, a number of multiple input multiple output (MIMO) layers, receiver type, a cell scenario, or a number of carriers. A number of MIMO layers can be predicted based on at least one of channel conditions or a channel quality index (CQI).

Abstract: The present invention relates to a method and apparatus for transmitting and receiving data in a wireless communication. In a communication performed by a user equipment supporting a multi-RAT (multi-radio access technology), the present invention includes receiving a 1st information for identifying a 1st cooperative user equipment candidate from the 1st cooperative user equipment candidate corresponding to at least one of a plurality of cooperative user equipment candidates, transmitting the 1st information to a base station, receiving an information on at least one 2nd cooperative user equipment candidate determined among the at least one 1st cooperative user equipment candidate using the 1st information from the base station, and performing a communication of a 1st data with the base station in cooperation with the at least one 2nd cooperative user equipment candidate.

Abstract: A method for allowing a relay node (RN) to transmit and receive in a wireless communication system is disclosed. A method for transmitting and receiving a signal at a relay node in a wireless communication system includes transmitting and receiving a relay-User Equipment (UE) link signal through an access subframe, switching a communication link from a relay-UE link to a relay-base station (BS) link during a predetermined time, and transmitting and receiving a relay?BS link signal through a backhaul subframe. A timing edge of the access subframe is located ahead of a timing edge of an uplink subframe of the backhaul subframe by an offset value.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in which channel quality indicator (CQI) requirements for reporting a CQI are received, whether the CQI is to be reported periodically is determined based on the CQI requirements, and a wake-up time based on the determination is scheduled. CQI reporting requirements, such as CQI scheduling information may be used to plan a UE discontinuous reception (DRX) wake-up time and adaptively shorten a duration the UE is awake when transmission of a CQI report is not required at a first subframe of a DRX on-duration. The shorter UE awake duration results in reduced power consumption.

Abstract: A 3GPP LTE protocol enhancement realizes the full benefit of dynamic frequency sharing systems by enhancing current Secondary-Cell (SCell) release mechanisms to support Licensed Shared Access (LSA) when LSA frequency bands are reclaimed. An enhanced signaling mechanism to reduces over-the-air signaling overhead in Carrier Aggregated enabled Evolved Node Bs by using broadcast messages rather than generating individual message exchanges with each User Equipment (UE) for release of SCells.

Abstract: A method for managing channel selection in a dynamic spectrum management network includes receiving a spectrum allocation request; based on the source of the spectrum allocation request, checking for available channels; based on the source of the spectrum allocation request, collecting sensing and usage data for the available channels; providing the channel usage data to an entity that transmitted the spectrum allocation request.