Abstract: A wireless communication device includes at least one wireless communication transceiver, and a processor coupled to the transceiver. The processor executes program code that enables the device to: determine whether the wireless communication device is camped within a coverage area of an accessible wireless connection point while the wireless communication device is in motion. The program code further enables the wireless communication device to: in response to determining the wireless communication device is camped within the coverage area of an accessible wireless connection point, selectively connect the transceiver to the accessible wireless connection point. The program code further enables the wireless communication device to: in response to determining the wireless communication device is not camped within the coverage area of an accessible wireless connection point, defer connecting the transceiver to the accessible wireless connection point.

Abstract: Systems, methods, apparatuses, and computer program products for mobility failure evidence-related operations. A UE may measure, record, and report a channel access waiting (CAW) time period that elapsed from having a handover-related message in a transmission buffer until a channel for transmission of the handover-related message was obtained or until an acknowledgement or negative acknowledgement from a receiver of the handover-related message was received. The CAW time period information may be provided to a network node, and the network node may control mobility robustness optimization based on the received information.

Abstract: A radio resource management system in communication with multiple airport communication systems located at different airports is described. The radio resource management system receives a request to transfer data from an aircraft communication system within an aircraft to an airport communication system of the multiple ground communication systems. The radio resource management system determines an availability of radio resources at each airport communication system of the multiple airport communication systems based on the request. The radio resource management system selects an airport communication system from the multiple airport communication systems to transfer the data based on the determined availability of radio resources at the airport communication system. The radio resource management system reserves an amount of radio resources of the selected airport communication system of the multiple airport communication systems for the aircraft communication system to transfer the data.

Abstract: Embodiments herein relate to a method performed by a radio network node (12,13) for handling communication of a wireless device (10) in a wireless communication network (1). The radio network node (12,13) is configured to provide a serving cell for the wireless device (10) on a lean carrier where reference signals are transmitted with a bandwidth that is variable between a first bandwidth and a second bandwidth, the second bandwidth being narrower than the first bandwidth, and wherein the wireless device (10) is configured with a discontinuous reception cycle. The radio network node transmits reference signals over a bandwidth that alternates between the first bandwidth and the second bandwidth in accordance with the discontinuous reception cycle configured for the wireless device (10).

Abstract: Embodiments herein describe using a dual assess point (AP) to establish two access points that both are established by two individual radios (e.g., two 5 GHz radios). Generally, APs experience highly degraded performance when two co-located radios operate within the same band. In one embodiment, AP devices can deploy same band radios using a macro-micro cell approach. Thus, the AP may intelligently hand off client devices between the micro and macro cell in a way that optimizes the system for overall throughput and low packet latency while creating minimal oscillation of clients between cells. The embodiments in this disclosure disclose techniques that direct clients in a manner that optimizes these factors.

Abstract: Embodiments of the present invention provide a cell selection and reselection method and apparatus, so as to resolve a problem existing in the prior art that repeated reception of data by using an existing cell selection and reselection method causes a waste of resources and an increase in power consumption. The cell selection method includes: measuring signal quality of a cell, and acquiring a coverage class offset value that is preconfigured by a network side for the cell; and selecting a target cell according to the signal quality of the cell and the acquired coverage class offset value of the cell.

Abstract: The present disclosure relates to a cell access method including: in the process that a terminal accesses a first cell, reporting, by a terminal, its own moving speed to a base station corresponding to the first cell; and if the base station determines that the terminal is not allowed to access the first cell according to the moving speed, sending, by the base station, access rejection indication information to the terminal and selecting, by the terminal, according to the access rejection indication information, a second cell in a second network for access. In response to determining, by the base station, that the terminal is not allowed to access the first cell, the terminal can only access the second cell in the second network.

Abstract: A base station (BS) for a mobile communication system is provided. As for a user equipment (UE), the BS is a primary BS and connects to a secondary BS. The primary BS calculates the time synchronization error between the primary BS and the UE, and the time synchronization error between the secondary BS and the UE. These time synchronization errors are associated with the subcarrier spacings (SCSs) of the primary and secondary BSs, respectively. According to the calculated time synchronization errors, the primary BS transmits a synchronization indication message to instruct the UE to receive the reference time information of one of the primary and secondary BSs.

Abstract: Certain aspects of the present disclosure provide techniques for hierarchical communication for device-to-device (D2D) communications. In certain aspects, a method generally includes determining user equipment (UE) data comprising at least one of one or more parameters about the UE, one or more parameters about objects near the UE, or raw sensor data. The method further includes determining a first level for transmitting a first portion of the UE data based on content of the first portion of the UE data. The method further includes determining a first modulation coding scheme associated with the first level based on a mapping of a plurality of levels to a plurality of modulation coding schemes. The method further includes encoding the first portion of the UE data using the first modulation coding scheme and transmitting the first portion of the UE data from the UE to at least one second UE directly.

Abstract: In some embodiments, a computing system maintains, in a memory, information on one or more terminal devices, a dictionary of beams and information on a spatial grid. The computing system maps each terminal device to the spatial grid based on up-to-date results of radio measurements and calculates, for each spatial element, a load caused by the one or more terminal devices based on the mapping. The computing system evaluates, for each combination of a beam and a terminal device, a reference signal received power, RSRP, based on results of the radio measurements. The computing system calculates a first map of expected spatial distribution of traffic based on the calculated loads and beam-specific second maps of expected RSRP based on the values of the RSRP. Finally, the computing system causes performing beamforming optimization based on the first map and second maps.

Abstract: An access point (100-1) of a wireless communication network serves a connection to a user equipment (50). The access point (100-1) determines a plurality of target access points (100-2, 100-3). Further, the access point (100-1) sends a message (204) to the user equipment (50). The message (204) indicates the plurality of target access points (100-2, 100-3) and authorizes the user equipment (50) to autonomously switch the connection to one or more of the target access points (100-2, 100-3).

Abstract: Methods, systems, and devices for wireless communications are described techniques provide for the identification of a sequence of beamforming parameters that are used for communications between a user equipment (UE) and a base station using a sequence of transmission beams. A UE may measure received reference signals that are transmitted in a series of downlink transmission beams from a base station, and report measurement parameters associated with the downlink transmission beams to the base station as part of a beam tracking and beam refinement procedure. The base station may provide transmission configuration indicator (TCI) states that are associated with each transmission beam. The TCI states may be recorded over a course of a periodic movement of the UE, and may be used deterministically to identify beamforming parameters for transmission and reception of a subsequent series of downlink transmission beams when the UE makes a subsequent same periodic movement.

Abstract: User equipments can achieve quick channel synchronization when establishing a connection to base stations transitioning from a sleep mode to an active mode by using discovery resource signal (DRS) processing results and cell reference signal (CRS) processing results to establish channel synchronization with a CRS antenna port. More specifically, the user equipment may be notified that the CRS antenna port and DRS antenna port are quasi-co-located (QCL), and then use DRS processing results in conjunction with CRS processing results to obtain faster channel synchronization with a CRS antenna port. This may be particularly beneficial when the target BS is transitioned from a sleep mode to an active mode in order to accept a handover of the user equipment.

Abstract: The present invention provides a wireless communication method for rail transit. The method comprises: performing signaling interaction with a source cell base station after entering a source cell and obtaining a handover threshold parameter, the handover threshold parameter comprising distance information between a handover point and the source cell base station and signal intensity information; determining the handoff point based on the handover threshold parameter; and performing channel measurement when the handover point is reached and performing a handover from the source cell to a destination cell.

Abstract: A method for performing handover of a user equipment (UE) from a source base to a target base station is disclosed. The method includes providing, by the UE, a measurement report to the source base station, the measurement report including beam-related measurements of the target base station, providing, by the source base station, a Handover Request message to the target base station, the Handover Request message including the measurement report from the UE, providing, by the target base station, a Handover Request Acknowledgement message to the source base station, the Handover Request Acknowledgement message having a Handover Command, and providing, by the source base station, mobility control information to the UE based on the Handover Command from the target base station.

Abstract: An apparatus comprising at least one processing circuitry, and at least one memory for storing instructions to be executed by the processing circuitry, wherein the at least one memory and the instructions are configured to, with the at least one processing circuitry, cause the apparatus at least: to acquire connection information including at least one of route information and resource requirement information for at least one communication element in a coverage area of a communication network, the communication network comprising a plurality of access points allowing the at least one communication element to communicate with the communication network, to process the acquired connection information for determining at least one candidate for a following access point to be connected to by the at least one communication element following to an access point to which the at least one communication element is currently connected, and to use a result of the determination of the at least one candidate for a following

Abstract: A method for a network node of a wireless communication network is disclosed. The network node is adapted to communicate with wireless communication devices of a first type associated with a first maximum communication distance range and with wireless communication devices of a second type associated with a second maximum communication distance range, the first maximum communication distance range being greater than second maximum communication distance range.

Abstract: Methods and apparatus are disclosed for handing over of a high-speed mobile terminal or user equipment from a source network node to a target network node. Reliable methods for measuring the speed of a moving user equipment are disclosed. Parameters used in a handover procedure are also adjusted in accordance with the speed of the user equipment. For handing over a high-speed user equipment, the present application discloses that the source network node can coordinate with the target network node and other candidate network nodes in transmitting a handover command to prevent handover failures.

Abstract: In one embodiment, the first processors of a mobile device determine an operating condition of the mobile device. These operating conditions are based on a current velocity of the mobile device, and the current time of day. If the operating conditions satisfy an operating criteria for the mobile device, the first processors send a message to second processors of the mobile device, causing one or more of the second processors to wake up from a sleeping state to an active state.

Abstract: This disclosure relates to techniques for dynamic selection of connection attempt throttling algorithms based on user context. According to some embodiments, a wireless device may monitor certain current conditions of the UE, such as battery level, user activity level, motion level, and/or other conditions. Depending at least in part on the current conditions of the UE, cellular connection attempt parameters may be selected. In some conditions the cellular connection attempt parameters may be selected such as to allow more aggressive pursuit of cellular connectivity, while in other conditions the cellular connection attempt parameters may be selected such as to allow less aggressive pursuit of cellular connectivity.

Abstract: Disclosed herein is a station (STA) device of a wireless LAN (WLAN) system. The STA device includes a radio frequency (RF) unit sending and receiving a radio signal and a processor controlling the RF unit. The processor may generate a physical protocol data unit (PPDU) including a physical preamble and a data field and send the PPDU using the RF unit.

Abstract: Base station and User Equipment (UE) and methods to be performed therein for communication using a dynamic transmission parameter. The method to be performed in a base station comprises scheduling of transmission resources to a UE in an OFDM symbol associated with a dynamic parameter value. The base station is assumed to be associated with a carrier where a radio frame comprises at least one OFDM symbol associated with a fixed parameter value and at least one OFDM symbol associated with a dynamic parameter value, where the parameter is a cyclic prefix, CP, or a subcarrier spacing, ?f. The method further comprises determining a value of the parameter based on a characteristic of a radio link associated with the UE, and applying the determined value of the parameter when communicating with the UE in the scheduled transmission resources.

Abstract: The present disclosure discloses a system and a method for displaying mobile trails for mobile client devices. Specifically, a network device obtains a plurality of performance measurements and a corresponding plurality of physical locations for a client device over a period of time. Then the network device generates a plurality of visual representations for the client device over the period of time, each visual representation representing a respective performance measurement and a respective physical location at a respective time during the period of lime. Moreover, the network device can display, store, and/or transmit a map of a physical environment with the plurality of visual representations.

Abstract: This document describes an apparatus for providing an advance indication of channels available for use by a mobile device travelling along a geographic path. The path extends across two or more cells, with each cell defining a particular set of radio channels available for use by the mobile device in that cell. The apparatus is configured to receive predicted geographic path signalling associated with prediction of the geographic path to be taken by the mobile device. The apparatus is also configured to determine radio channels available for use by the mobile device along that path. The apparatus is also configured to provide, in advance, an indication of the radio channels available for use by the mobile device along the geographic path in each respective cell along the path.

Abstract: According to one embodiment of the present disclosure, the method by means of which a mobility management entity (MME) determines the communication mode of a terminal in a communication system includes the steps of: receiving, from the terminal, an access request including information on the position of the terminal; transmitting a message to a home subscriber server (HSS) on the basis of the received access request; receiving, from the HSS, specific position information for setting a first mode; comparing the information on the position of the terminal with the specific position information; and determining the communication mode of the terminal according to the result of the comparison. According to the present disclosure, the frequent transmission of small amounts of data can be supported in an efficient manner.

Abstract: A mobile device mobility state is included in device reporting to a radio access network for mobility event and load balancing purposes. Respective load conditions and respective coverage areas of a first set of devices of a first network and a second set of devices of a second network are analyzed. In addition, a mobility state of a mobile device, a first signal strength associated with the first set of devices, and a second signal strength associated with the second set of devices are also analyzed. The mobility state is a function of a movement pattern of the mobile device and a speed at which the mobile device is being moved. Network traffic of the mobile device is routed to a set of network devices selected from the first set of devices and the second set of devices, as a result of the analysis.

Abstract: Methods and apparatus for mobility control are disclosed. A network entity can generate information promoting at least one cell for selection by at least one mobile device and associate the information with at least one physical cell identity available for selection. The information is then communicated to the at least one mobile device. The at least one mobile device can then take the information into account in cell selection.

Abstract: A method for forming a complete ring network of a plurality of Bluetooth® speakers, the method including populating a configurable speaker register of each of the plurality of Bluetooth® speakers with an address of an upstream Bluetooth® speaker that is in the plurality of Bluetooth® speakers, populating the configurable speaker register of each of the plurality of Bluetooth® speakers with an address of a downstream Bluetooth® speaker that is in the plurality of Bluetooth® speakers, and coupling an audio source to one Bluetooth® speaker of the plurality of Bluetooth® speakers.

Abstract: Methods, systems, and devices for mobility optimization in a heterogeneous network are disclosed herein. A base station includes an anchor module, a context information module, and a transmission point module. The anchor module configures the base station as a virtual anchor cell for a plurality of small cells. The context information module is configured to maintain context information for user equipment (UE). The context information for the UE is maintained by the context information module while any small cell of the plurality of small cells is configured as a TP for the UE. The transmission point (TP) change module is configured to send at least a portion of the context information to a small cell configured as the TP for the UE.

Abstract: A joint optimization module (jointly optimizing MRO and MLB) includes: (a) an interpolator receiving a measurement report containing: signal strength/quality values, other performance indicator values, and load values reported by each base station; identifying one or more time instances that lack measurements (of signal strength/quality, performance indicator, or load values), and interpolating values for such time instances; (b) a storage unit storing the received measurement report and interpolated measurement values; (c) a MLB unit receiving the measurement report and outputting optimized HO parameters from a load balancing perspective to an optimizer; (d) a MRO unit receiving the measurement report and outputting optimized HO parameters based on reducing HO related link failures; and (e) an optimizer optimizing, jointly for both MLB and MRO, one or more HO parameters per user group based on the stored measurement reports and interpolated measurement values, the MLB module output, and the MRO module output

Abstract: A method and apparatus for transmitting information on out-of-coverage (OOC) for a device-to-device (D2D) operation in a wireless communication system is provided. A user equipment (UE) determines that the UE is OOC. OOC may be determined to at least one of a normal OOC or an early OOC based on criteria. Then, the UE transmits information indicating that the UE is OOC to other UEs.

Abstract: The present disclosure relates to a power control method and apparatus, where the method includes: respectively determining, by a base station, error vector magnitude EVM indicator adjustment parameters of n terminals according to terminal types of the n terminals that are currently scheduled; processing, according to the EVM indicator adjustment parameters of the n terminals, to-be-transmitted signals of the n terminals to obtain an output signal, and determining a change of total power of the output signal relative to the to-be-transmitted signals; and dynamically controlling a supply voltage of a power amplifier according to the change of the total power of the output signal relative to the to-be-transmitted signals. According to the power control method and apparatus provided in embodiments of the present disclosure, different processing is performed on signals of different terminals, so that system performance of the OFDM system is improved.

Abstract: A hand over (HO) parameter optimization module includes: (a) an interpolator that receives a measurement report comprising: (1) signal strength or signal quality values as measured by an user equipment (UE), (2) performance indicator values as measured by the UE, and (3) load values associated with at least one base station that serves the UE, identifying one or more time instances that lack signal strength, signal quality, performance indicator, or load values, and interpolating values for the identified one or more time instances; (b) storage that stores the received measurement report and interpolated values; and (c) an optimizer that optimizes one or more HO parameters per group based on stored measurement reports and interpolated values.

Abstract: Disclosed herein is a technology for detecting the location of a mobile computing device. A method for detecting the location of a mobile computing device includes the steps of (a) obtaining time, (b) storing the time and location information including GPS information and base station information associated with the time, and (c) obtaining base station information at the present time and estimating current GPS information without using a GPS if a correlation between the stored time and base station information is a specific reference or more.

Abstract: Methods and systems are provided herein for selecting networks for a mobile communications device. Methods for selecting a network connection for a mobile communications device may include receiving signals that comprise location information of the mobile communications device and selecting a first network type or a second network type for the mobile communications device based upon a magnitude of movement of the mobile communications device determined from the location information, the first network type comprising a network that is capable of handing off active sessions for the mobile communications device, the second network type comprising a network that having a reduced capacity or no capacity to hand off active sessions for the mobile communications device.

Abstract: One or more factors are determined for a target cell, the one or more factors being at least one of a morphology, a band class, a loading, and a MIMO type. A modified target cell signal strength threshold for the target cell is set using the one or more factors. The modified target cell signal strength threshold is utilized to initiate a transfer of the wireless device from the serving cell to the target cell.

Abstract: Disclosed is a method and apparatus for communication in a millimeter band communication system. In a case in which a first terminal obtains a list including members of a cooperative group in which terminals receive a service with the same beam as a first terminal's beam, the first terminal informs a second terminal, corresponding to a member of the list, of communication link failure when the failure occurs, and requests a cooperative service. After that, the first terminal receives information on the service from a base station through the second terminal.

Abstract: In one aspect, a wireless network management component can manage values for the generation of time to trigger parameters to handover requests between small cells and macro cells in a wireless network. In another aspect, a wireless management component can process various information to manage when handovers between small cells and macro cells should be disabled. In still another aspect, a wireless management component can process user equipment speed information and other network information to determine whether user equipment in communication with small cells should initiate a handover to macro cells.

Abstract: A system and method are described for adjusting communication with a first distributed-input-distributed-output (DIDO) client. For example, a method according to one embodiment comprises: sending RF energy to the DIDO client from one or more antennas of a DIDO network; estimating a current velocity of the DIDO client; and assigning the client to a particular DIDO network based on the estimated velocity of the client.

Abstract: Base station and User Equipment (UE) and methods to be performed therein for communication using a dynamic transmission parameter. The method to be performed in a base station comprises scheduling of transmission resources to a UE in an OFDM symbol associated with a dynamic parameter value. The base station is assumed to be associated with a carrier where a radio frame comprises at least one OFDM symbol associated with a fixed parameter value and at least one OFDM symbol associated with a dynamic parameter value, where the parameter is a cyclic prefix, CP, or a subcarrier spacing, ?f. The method further comprises determining a value of the parameter based on a characteristic of a radio link associated with the UE, and applying the determined value of the parameter when communicating with the UE in the scheduled transmission resources.

Abstract: A wireless communication system for a moving vehicle, such as trains, is disclosed. The system includes at least one router in the moving vehicle for receiving and transmitting wireless voice communication and data communication to and from a stationary communication server outside the moving vehicle through an exterior mobile network. Further, the system includes at least one femtocell provided within the moving vehicle, and being connected to the router for wireless transferring of wireless voice communication and data communication between mobile terminals within the moving vehicle and the router. The at least one femtocell is controlled by a femtocell controller directly or indirectly connected to the communication server outside the moving vehicle.

Abstract: Embodiments of the present invention provide a method for controlling UE to access a communications network of a high-speed moving vehicle, a core network control plane node device, a base station, UE, and a communications system. The method includes: determining that UE accessing the communications network is first-type UE, allocating a temporary identifier that includes a first sequence to the UE, and sending the temporary identifier to the UE, where when the UE accesses a public network, the first sequence is used to instruct the base station to transfer the UE to the communications network. In the embodiments of the present invention, user experience of the UE is improved.

Abstract: A communication control method in a mobile communication system including a first base station and at least one second base station having a smaller coverage area than the first base station, comprises: a step A of transmitting location information indicating a location of the second base station from the first base station; and a step B of transmitting proximity notification information to the first base station from a user terminal connected to the first base station after the user terminal receives the location information, the proximity notification information indicating that the user terminal is in proximity of the second base station and being used for making the user terminal use a different carrier from a carrier used by the second base station.

Abstract: A method for reporting mobility information by a terminal in a wireless communication system is provided. The method comprises: determining whether or not mobility information is reported, wherein the mobility information indicates a mobility state of the terminal; and reporting the mobility information to a network if it is determined that the mobility information is reported.

Abstract: The present invention relates to a radio access arrangement for operating a radio cell (C), and comprising at least one wireless transceiver (210) configured to set up and operate radio communication channels with mobile devices. In accordance with an embodiment of the invention, the radio access arrangement further comprises speed determination logic (240) configured to characterize a particular mobile device (320) as belonging to a high-speed or lower-speed category (HS; LS) according to speed information of the particular mobile device, and a radio resource controller (250) configured to assign a particular radio communication channel, for communication with the particular mobile device, within a first or second disjoint radio resource partition of the radio cell (B_DL1; B_UL1; B_DL2; B_UL2) if the particular mobile device is characterized as belonging to the lower-speed or high-speed category.

Abstract: In a wireless communication system, a mobility factor is used to influence handoff. If a subscriber station has been in a low mobility state for some period of time, the system may handoff operation from a first service type to a second service type. If the mobility factor indicates that the subscriber station is moving, the system may handoff operation from the second service type back to the first service type.

Abstract: The techniques described herein enable a commercial cellular service provider to use a repurposed portion of spectrum to provide cellular service to a customer base while ensuring that the use of the repurposed portion of spectrum does not interfere with a previous use of the repurposed portion of spectrum by an incumbent entity. The techniques determine, and manage the use of, forbidden cells and clean cells. A “forbidden” cell is a cell in which a previous use of spectrum by an incumbent entity is protected. A “clean” cell is a cell that can be freely used by the commercial cellular service provider without a possibility of interference with a protected use of the spectrum by the incumbent entity.

Abstract: A system that incorporates the subject disclosure may include, for example, monitoring a speed and an acceleration of a mobile communication device in a serving cell of a wireless network where the mobile communication device has a radio resource control connection with the wireless network, and selecting a first mobility speed group from among a plurality of mobility speed groups based on the speed and the acceleration of the mobile communication device, where handover parameter values are assigned to each speed group of the plurality of mobility speed groups, and where the handover parameters and their associated values are utilized for a handover by the wireless network from the serving cell to a target cell. Other embodiments are disclosed.

Abstract: A potential traffic load imbalance condition associated with sector carriers is detected. The traffic loading for the sector carriers is balanced based, at least, on causing one or more idle mobile devices to select a new sector carrier by adjusting one or more idle mode parameters. Detecting the potential traffic load imbalance condition includes: identifying an overloaded sector carrier; identifying an set of overlaid sector carriers, wherein the set of overlaid sector carriers includes one or more sector carriers in an area surrounding the overloaded sector carrier; and determining a number of idle mobile devices and corresponding signal strengths of mobile devices camping on sector carriers of the set of overlaid sector carriers. Balancing the traffic loading includes: determining the number of mobile devices to shift from the overloaded sector carrier, and initiating the shift by adjusting idle mode parameters.

Abstract: Optimization of mobile telecommunications service during a power outage at one or more base stations, wherein optimization includes identifying one or more of a plurality of base stations to which non-emergency electrical power has been interrupted; determining an initial number of users in areas corresponding to the one or more of the plurality of base stations; generating a user location probability model and a user call probability model; scheduling initial battery power operation for the plurality of base stations; monitoring user calls and user movement after the battery power operation has started; updating the user location probability model and the user call probability model based on the monitoring; and updating battery power operation scheduling for the plurality of base stations.