Abstract: A software-defined radio equipment includes a hardware/module, implements radio equipment functions by downloading radio communication software that controls the hardware/module from an external source, and switches the radio communication software by using a distributed object. The software-defined radio equipment includes a first means that transmits, when a hardware to be used by the radio communication software is selected from the hardware/module, first predetermined information of the selected hardware, a second means that interrupts an execution of the radio communication software before selection when the selection is reselection and transmits second predetermined information of a selected hardware after the reselection, and a third means that transmits predetermined information of a hardware that is currently being selected. Further, if the selected hardware is the hardware that is currently being selected, an error is detected.

Abstract: An information processing apparatus that is capable of making correct settings for wireless communication of which standards are different depending on the country, in conformity to the standards of a country where the information processing apparatus is used. On an image forming apparatus as the information processing apparatus, a wireless LAN module can be mounted which can be used in a plurality of specific countries and stores a country destination group number indicative of the plurality of specific countries in an OTP section. The image forming apparatus acquires the country destination group number as the group identification information from the OTP section of the mounted wireless LAN module. A control unit makes settings for enabling wireless communication using the mounted wireless LAN module, by using setting information on the acquired country destination group number.

Abstract: Devices, systems, and methods for optimizing a mesh network by cloud computing. A cloud network controller may receive from multiple access points (APs) in a mesh network information related to channel quality based on measurements taken by the APs. Based on this information, the cloud network controller may forecast one or more optimal channels based on the information related to channel quality. The cloud network controller my then send to the multiple APs a message including a recommendation to switch to the one or more optimal channels based on the forecasting. The AP may then make a decision to carry out the recommended channel switch.

Abstract: Apparatuses, methods, and systems are disclosed for collision avoidance. One apparatus includes a processor that detects energy in a detection slot within a first time period over a first frequency resource of a transmission resource unit (“TRU”). The TRU includes the first time period, a second time period contiguous in time with the first time period, a second frequency resource, and a third frequency resource contiguous in frequency with the second frequency resource. The energy is below a predetermined threshold. The apparatus also includes a transmitter that transmits a time-contiguous signal after the detection slot until an end of the first time period over the first frequency resource. The transmitter transmits data within the second time period over the third frequency resource. The transmitter transmits a scheduling assignment (“SA”) within the second time period over the second frequency resource. The SA includes information related to the data.

Abstract: A compatibility system for determining a technical compatibility of one or more electronic devices and one or more mobile network operators is disclosed. The compatibility system obtains data from a plurality of data sources and integrate the data to generate a platform that determines ability of at least one of: the electronic devices and the mobile network operators for a communication between each other. The compatibility system determines device attributes and network attributes by integrating the compatibility system with data related to electronic devices and mobile network operators respectively. The compatibility system evaluates radio bands supported by the electronic devices and mobile network operators and identifies potential carriers of the mobile network operators, and a plurality of known potential countries globally, which are compatible with the radio bands of the one or more electronic devices in order to determine the compatibility of the electronic devices and the mobile network operators.

Abstract: Techniques are provided for accurately determining actual and prospective location(s) of radio(s) located in a structure and controlled by a shared spectrum system. By more accurately knowing the location(s) of the radios, the shared spectrum system can more efficiently allocate maximum transmission power(s) to the radio(s), enhance corresponding radio coverage area(s), and/or diminish interference to other radio(s) and/or primary user(s).

Abstract: Technologies directed to multi-tier coordinated dynamic frequency selection (DFS) service in a multi-tier wireless network are described. One method includes receiving, by a first wireless device, first data associated with a first set of DFS channels. The first wireless device performs a CAC on each DFS channel of the first set of DFS channels in a specified order. The first wireless device identifies a second set of DFS channels in which no radar event is found during the respective CAC and generates second data associated with the second set of DFS channels. The first wireless device receives a first request for the second data from a second wireless device.

Abstract: The present invention relates to a communication node, a method of operating the same, and a collaborative system.

Abstract: A large-scale radio frequency signal information processing and analysis system that provides advanced signal analysis for telecommunication applications, including band capacity and geographical density determinations and detection, classification, identification, and geolocation of signals across a wide range of frequencies and across broad geographical areas. The system may utilize a range of novel algorithms for bin-wise processing, Rayleigh distribution analysis, telecommunication signal classification, receiver anomaly detection, transmitter density estimation, transmitter detection and location, geolocation analysis, telecommunication activity estimation, telecommunication utilization estimation, frequency utilization estimation, and data interpolation.

Abstract: According to an aspect of the present invention, there is provided a method for providing additional bandwidth to receivers that can decode a higher modulation comprising trading a peak-to-average power ratio (PAPR) reduction induced constellation noise of all or a subset of in-band on-channel (IBOC) carriers within an orthogonal frequency division multiplexing (ODFM) waveform with data carrying superposition modulation.

Abstract: A system and related method sends Dynamic Spectrum Access (DSA) control traffic via an Over the Air (OTA) waveform in a variety of military voice radios. The system employs a voice to Internet Protocol (IP) conversion to create voice sized frames and redundancy DSA frames recognizable and transmittable by the voice radio. The system dynamically adapts to different types of military waveforms including those which implement: (1) an encoded digitized voice to be divided into frames, (2) an encoded digitized voice to a continual bit stream, (3) direct analog modulation of voice samples, and (4) transmission of voice and data over a single channel. The system adapts to an available channel being voice or non-voice in the military radio enabling DSA control traffic to run with data (in-band) channel or in a voice channel.

Abstract: A policy conflict system includes a determining unit that determines, according to an instruction for application of a second polity from a second network provider to a first network provider that performs policy control based on a set of first policies, presence or absence of a third policy conflicting with the second policy, a calculating unit that, when the determining unit determines that the third policy is present, concerning each of the second policy and the third policy, calculates priority levels different from each other referring to a storing unit storing information indicating a target that should be prioritized concerning an item relating to a policy, and an imparting unit that imparts the priority levels calculated by the calculating unit to each of the second policy and the third policy. Consequently, the policy conflict resolution system enables a conflict between policies to be resolved.

Abstract: A terminal is disclosed that includes a receiver that receives a downlink (DL) signal transmitted from each of a plurality of component carriers (CC) in dual connectivity and a processor that makes measurement of the DL signal based on a measurement requirement. The terminal further includes a first measurement requirement of a first secondary CC to which listening before transmission is applied is different from a second measurement requirement of a second secondary CC to which the listening before transmission is not applied.

Abstract: Systems, methods, and processing nodes for performing carrier aggregation in a wireless network including obtaining, at a relay access node, a control channel load level of a first carrier deployed by a donor access node, determining, at the relay access node, that the control channel load level is within an acceptable load level, and aggregating the first carrier with a second carrier deployed by the relay access node to communicate with a wireless device attached to the relay access node.

Abstract: Provided are methods and systems for, in some aspects, mitigating interference over a communication channel. In an aspect, a device can be configured to detect interference and to dynamically reconfigure to avoid interference. Such a device can be configured to receive content over various communication channels and can intelligently select a communication channel to avoid interference.

Abstract: A communication method applied to an communication device comprising M first type antenna following a first communication standard and N second type antennas following a second communication standard, M and N are positive integers. The communication method comprises: (a) measuring usage time of the second type antennas; and (b) controlling a number of the antennas that the communication device use according to the usage time of the second type antennas.

Abstract: A mobile radio testing device for protocol testing of a device under test is provided. The mobile radio testing device comprises a downlink path and an uplink path, wherein the uplink path comprises at least a first analysis mode and a second analysis mode. In this context, the mobile radio testing device includes a demodulation processing unit for analyzing signals from the device under test in the first analysis mode. In addition, the second analysis mode analyzes signals from the device under test without using the demodulation processing unit.

Abstract: An RF detection system includes a signal routing processor and a dynamically reconfigurable channelizer. The signal routing processor selects an operating mode of the RF detection system among a plurality of different operating mode. The dynamically reconfigurable channelizer invokes the selected operating mode in response to a routing control signal output by the signal routing processor. The dynamically reconfigurable channelizer includes a plurality of signal processing resources and a crossbar switching circuit. The crossbar switching circuit includes a signal input to receive an input signal and a signal output to output a final processed signal indicating a detected object. The crossbar switching circuit selectively establishes a plurality of different signal routing paths that connect the plurality of signal processing resources to the signal input and signal output.

Abstract: In various implementations, a method includes receiving a set of time series data that corresponds to a metric. A seasonal pattern is extracted from the set of time series data and the extracted seasonal pattern is filtered from the set of time series data. A predictive model is generated from the filtered set of data. The extracted seasonal pattern is filtered from another set of time series data where the second set of time series data corresponds to the metric. The filtered second set of time series data is compared to the predictive model. An alert is generated to a user for a value within the filtered second set of time series data which falls outside of the predictive model.

Abstract: A method for selecting at least one channel for a network element in a shared spectrum communication system is provided. The method includes identifying a plurality of candidate channels of a frequency band of the shared spectrum communication system. For each channel of the plurality of channels, the method further includes: evaluating the channel based on one or more of a plurality of criteria for the network element; scoring the channel based on the evaluation of the channel for the network element; and ranking the plurality of candidate channels based on the assigned scores for each of the plurality of channels. The method further includes selecting at least one channel based on the ranking of the plurality of candidate channels.

Abstract: For example, an apparatus may include logic and circuitry configured to cause a wireless communication device to maintain active scan configuration information defining a plurality of active scan configurations corresponding to a respective plurality of predefined environment types; to classify a wireless communication channel as a selected environment type from the plurality of predefined environment types based on scan results of at least one first active scan over the wireless communication channel; and to perform at least one second active scan over the wireless communication channel according to a selected active scan configuration corresponding to the selected environment type.

Abstract: An electronic device in a wireless communication system, and a wireless communication method. The electronic device at a user equipment side, performs a device-to-device (D2D) communication with a target user equipment, and the electronic device includes: processing circuitry configured to acquire information on a first power parameter from a base station device, the first power parameter indicates a D2D nominal power for the electronic device to perform D2D communication, the D2D nominal power different from a cellular nominal power for the electronic device to perform a cellular communication with the base station device; and determine, irrelevant to a path loss between the electronic device and the target user equipment, based on the first power parameter, a D2D transmission power for performing the D2D communication between the electronic device and the target user equipment.

Abstract: The disclosure concerns a communication system where adaptive antenna systems with algorithm are used to provide improved channel selection management in Wireless Local Area Network (WLAN) and other multi-node communication systems. The adaptive antenna systems can be integrated into multiple nodes of a communication network, such as access points used in WLAN, and multiple radiation modes generated and tracked to determine optimal mode for access point to client communication links to assist in channel selection across the nodes in the network. Adaptive antenna system modes are selected and Signal to Noise Ratio (SNR) is measured across available frequency channels to determine channels to assign per access point along with radiation modes to be implemented that results in improved SNR for the communication links established in the network.

Abstract: Apparatuses, systems, and methods to perform attachment of a wireless device to substantially concurrent connections with a next generation network node and a legacy network node. The wireless device may be configured to transmit a request to attach to a first network node operating according to the first RAT and transmit an indication that the wireless device is capable of maintaining substantially concurrent connections with the first network node and a second network node that operates according to the second RAT. The wireless device may also be configured transmit a request to attach to the second network node. The request may include an indication that the wireless device is capable of maintaining substantially concurrent connections with the first and second network nodes. Further, the wireless device may be configured to receive an indication that dual connectivity with the first and second network nodes has been established.

Abstract: A method includes determining, at an access point, that a channel used to communicate with a device is experiencing interference. The method also includes, in response to the access point detecting that the channel used to communicate with the device is experiencing interference, switching, at the access point to a second channel. The second channel is selected from available channels associated with a set of candidate frequency bands. The set of candidate frequency bands is selected based on a signal quality of a particular device in communication with the access point. The particular device is a communication device in communication with the access point that has a lowest signal quality of signal qualities of communication devices in communication with the access point.

Abstract: A multiplexer (1) includes a plurality of filters connected to a common terminal (110). The multiplexer (1) includes: a low-frequency filter (11L) that is formed of at least one surface acoustic wave resonator arranged between the common terminal (110) and the input/output terminal (120) and has a first pass band; a high-frequency filter (12H) that is connected between the common terminal (110) and the input/output terminal (130) and has a second pass band located at a higher frequency than the first pass band; and a capacitor (CB1) that is serially arranged in a connection path between the common terminal (110) and the low-frequency filter (11L). The Q value of the capacitor (CB1) in the second pass band is higher than the Q value in the second pass band of a capacitance obtained by treating the at least one surface acoustic wave resonator of the low-frequency filter (11L) as a capacitance.

Abstract: A spectrum management system to allocate frequencies in a plurality of wireless communication systems in geographical proximity includes a spectrum manager to allocate a pool of frequencies among the wireless communication systems. Each system is allocated a set of frequencies for selecting on which frequency to operate with at least one of the sets of frequencies including more than one frequency, and at least two of the allocated sets different from each other. The system additionally includes a database to store and organize information used by the spectrum manager to perform the allocation.

Abstract: Disclosed herein are a method and apparatus for sending and receiving data in a wireless communication system. More specifically, a method for sending and receiving, by UE, data in an unlicensed band in a wireless communication system may include performing blind detection for detecting a predetermined specific signal transmitted by an eNB in a cell of an unlicensed band and determining a period in which the signal is detected through the blind detection to be a reserved resource period (RRP) which is a time period secured for the transmission and reception of data in the cell of the unlicensed band.

Abstract: A wireless communication apparatus comprises: a search unit that searches, by using a plurality of frequency bandwidths, for an access point to perform wireless communication; a display unit that displays, based on pieces of predetermined information corresponding to a plurality of access points detected by a search, display items corresponding to the pieces of predetermined information; and a processing unit that performs, when the display items are displayed and a user selects one of the display items, connection processing to an access point specified by the selection of the display item, wherein when a display item corresponding to a first access point and a second access point is selected, the processing unit performs the connection processing to an access point that satisfies a predetermined condition, among the first access point and the second access point.

Abstract: A method of control information transmission for a terminal in a mobile communication system, and an apparatus therefor are provided. In the method of control information transmission, the terminal acquires unlicensed frequency channel occupancy information based on the control information received from a base station and transmits the unlicensed frequency channel occupancy information to other terminals operating on the same unlicensed frequency. The method of control information transmission includes receiving a first control information from a base station using a first radio communication protocol, acquiring channel occupancy information based on the first control information, and transmitting a second control information including the channel occupancy information to another terminal using a second radio communication protocol.

Abstract: The present disclosure relates to an electronic device in a wireless communication system, and a wireless communication method. The electronic device at a user equipment side, according to the present disclosure, performs a device-to-device (D2D) communication with a target user equipment, and the electronic device comprises: a path loss reporting unit configured to acquire the path loss between the electronic device and the target user equipment and report information about the path loss to a base station device; and a power determination unit configured to acquire information about a first power parameter from the base station device, wherein the first power parameter is related to the path loss; and is configured to determine a D2D transmission power for performing D2D communication between the electronic device and the target user equipment based on the first power parameter.

Abstract: Various aspects of the disclosure relate to wireless communication that is synchronized across different wireless communication spectrum. For example, communication on an unlicensed spectrum may, in response to a particular trigger, switch to a licensed spectrum. Here, the switch may occur in a time synchronized manner (e.g., according to a frame structure). In addition, communication across such spectrum may be synchronized among multiple systems. For example, a controller may specify a reuse pattern to be used by the different systems for communication across unlicensed spectrum and licensed spectrum.

Abstract: A method is shown for allocating a plurality of channels to a plurality of radio nodes (RNs) in a radio access network (RAN). In accordance with the method, an initial RN is selected from among the plurality of RNs. A first of the plurality of channels is assigned to the initial RN. The first channel is selected such that external interference experienced by the initial RN from sources other than the RAN on the first channel is minimized. A second RN is selected from among the plurality of RNs. A second of the plurality of channels is assigned to the second RN. The second channel is selected such that a metric reflective of an information carrying capacity of the RNs that have already been assigned one of the plurality of channels is maximized. The assigned channels are allocated to the respective RNs to which they have been assigned.

Abstract: The described technology is generally directed towards reducing the complexity for finding the precoding matrix index/rank information channel state information in New Radio wireless systems. Described is using the beam characteristics of X1 (wideband component index) and X2 (subband component index) such that a user equipment first determines a best chosen X2 for only one X1 index. Thereafter, the user equipment uses the chosen index of X2 for the other X1 indices, thereby reducing the complexity of the precoding matrix index/rank information search by reducing the search space in the codebook, which reduces the number of computations at the user equipment side without significantly impacting the performance.

Abstract: A dynamic broadcast system and a spectrum management device for use in a dynamic broadcast system. A dynamic white space database unit stores and dynamically updates a dynamic white space database of frequency resources that are assigned for broadcasting broadcast content but can locally not be used for broadcasting. One or more white space devices can access the frequency resources included in the dynamic white space database. A spectrum server dynamically manages the frequency resources included in the dynamic white space database for access by the one or more white space devices.

Abstract: A Channel State Information (CSI) feedback method and a User Equipment (UE) are disclosed. The method comprises the following steps of: determining a set of coordinated Base Stations (BSs) participating multi-BS coordination, the set of coordination BSs containing a serving BS and at least one non-serving BS; for each BS in the set of coordinated BSs: calculating a Signal to Interference and Noise Ratio (SINR) for a channel between a UE and the BS based on a hypothetical BS coordination mode corresponding to the BS; and deriving a Channel Quality Index (CQI) corresponding to the calculated SINR and feeding back the derived CQI to the serving BS.

Abstract: Systems and methods for determining hardware requirements for a wireless network event are disclosed. In embodiments, a method comprises obtaining, by a computing device, social user data over a period of time from a plurality of mobile devices associated with a social event at a location; obtaining, by the computing device, bandwidth usage data for each of the plurality of mobile devices based on the social user data; obtaining, by the computing device, crowd density and traffic pattern data related to the social event; determining, by the computing device, participant movement data for the social event based on the crowd density and traffic pattern data; deriving, by the computing device, a social bandwidth density model based on the bandwidth usage data and the participant movement data; and determining, by the computing device, bandwidth requirements within a geo-spatial boundary associated with the social event from the social bandwidth density model.

Abstract: A communication module includes a first input terminal to which a first signal of a first frequency band is input, a second input terminal to which a second signal of a second frequency band is input, an amplifier that outputs an amplified signal which is obtained by amplifying the first signal, a diplexer that receives the amplified signal and/or the second signal and that outputs an output signal of the first and/or second frequency band, and a harmonic termination circuit that short-circuits a harmonic of the second signal. The harmonic termination circuit has an end connected between the second input terminal and the diplexer, and another end grounded at a ground position. A distance in plan view between the first input terminal and the ground position of the harmonic termination circuit is longer than a distance in plan view between the first input terminal and the second input terminal.

Abstract: Provided is a channel communication quality estimating method of a wireless communication technology. A method for estimating a channel communication quality of a second wireless communication technology whose frequency band entirely or partially overlaps a frequency band of a first wireless communication technology includes: transmitting predetermined data to an external device through each of a plurality of first channels which forms a frequency band of the first wireless communication technology; generating a channel map which represents a communication quality for each of the plurality of first channels based on a data transmission result through each of the plurality of first channels; and calculating a communication quality index for each of a plurality of second channels which forms a frequency band of the second wireless communication technology, based on the channel map.

Abstract: Generation and use of geographic databases of frequency spectral information within an operating frequency band. Described herein are methods of making databases of geospectral information and using these databases to optimize performance of wireless networks. For example, a network of wireless radio devices that monitor the frequency spectrum of the operating frequency band may provide this geographically marked information to a central database to create a database of geospectral frequency information. This geospectral frequency information may be used to characterize, optimize or modify a network of wireless radio device, or to modify an individual wireless radio device.

Abstract: Embodiments are directed towards collecting information regarding the implementation of dynamic frequency selection and automatic channel selection by one or more wireless communication devices using the U-NII radio band. And to use the collected information to determine if other communication devices are coupled to communicate with each other via a wireless connection or a wired connection, or to modify the automatic channel selection mechanism used by one or more wireless communication devices.

Abstract: A method of controlling a clock frequency of an electronic device and an electronic device using the same is provided. The electronic device includes a check module that is configured to check a clock frequency of at least one Radio Frequency (RF) band, and a control module that is configured to shift a clock frequency of a high speed signal such that a noise generation clock frequency and the clock frequency of the at least one RF band checked by the check module are not identical, when an interface of the high speed signal is used.

Abstract: A base station including: a memory, and a processor configured to: determine whether each random access signal is detected or not by comparing each of specified characteristics of each of radio resources prepared for each random access signal with a detection threshold, each of the specified characteristics relating to each reception power of each of the radio resources prepared for each random access signal, the radio resources being divided into first radio resources and second radio resources, the first radio resource being prepared for dedicated random access signals each transmitted from each terminal in response to each request signal transmitted from the base station, and determine the detection threshold based on each of the specified characteristics of each of unused first radio resources, each of the unused first radio resource being each of the first radio resources for which each request signal has not been transmitted from the base station.

Abstract: Described features are directed to staggered frequency channel changing for cells of spectrum sharing networks. In some examples users communicating on one or more frequency channels of a spectrum sharing network may receive an indication that those channels are to be vacated, for example that the frequency channels are not to be transmitted on, or otherwise used for communications. Cells of the spectrum sharing network may receive the indication and perform staggered (e.g., sequential or randomly-timed) channel changes. The staggered channel changes may facilitate handover of user devices of the spectrum sharing network by, for example, reducing a number of cells that are simultaneously undergoing a channel change procedure. Thus, staggered frequency channel changing may reduce user service interruptions and radio link failures in a spectrum sharing network.

Abstract: Systems and methods for automatically configuring a distributed antenna system are provided. A configuration sub-system of the distributed antenna system can identify signal parameters for downlink signals received from one or more base stations via inputs of a unit in the distributed antenna system. The configuration sub-system can automatically determine a configuration plan for the distributed antenna system based on the automatically identified signal parameters. The configuration plan specifies how to combine subsets of the downlink signals for routing to remote antenna units of the distributed antenna system.

Abstract: A specific multi-band antenna impedance matching circuit and a tire-pressure monitoring device using same are disclosed. The antenna impedance matching circuit includes at least one first, one second and one third inductance unit and at least one first, one second and one third capacitance unit. The first capacitance unit is connected at a first end to first ends of the first and the second inductance unit and at a second end to a ground; the second inductance unit and the second capacitance unit are connected in series; the third inductance unit and the third capacitance unit are connected in parallel; and the third inductance unit is connected at a first end to a first end of the second capacitance unit and at a second end to the ground.

Abstract: Disclosed is a method for scanning for an access point. An active scan method comprises the steps of: generating a probe request frame including information on the signal strength of a terminal; and transmitting the probe request frame to an access point. Thus, a waste of time and radio resources can be prevented.

Abstract: [Object] To allow a wireless communication system to more appropriately use a frequency band to be shared between wireless communication of the wireless communication system and another wireless communication. [Solution] Provided is an apparatus including: an acquiring unit configured to acquire information regarding another wireless communication performed by a wireless communication apparatus using a frequency band to be shared between wireless communication of a wireless communication system and the another wireless communication, the information being provided by the wireless communication apparatus; and a control unit configured to determine an additional band available for the wireless communication of the wireless communication system in addition to a frequency band for the wireless communication system among the frequency band to be shared based on the information regarding the another wireless communication.

Abstract: Methods described herein are for wireless communication systems. One aspect of the invention is directed to a method for a HARQ process, in which the HARQ process includes a first transmission of an encoder packet and at least one retransmission. The method involves allocating a transmission resource for each respective transmission. The method involves transmitting control information from a base station to a mobile station for each respective transmission. The control information includes information to uniquely identify the HARQ process and an identification of one of a time resource, a frequency resource and a time and frequency resource that is allocated for the transmission. In some embodiments of the invention, specific control information is signalled from a base station to a mobile station to enable RAS-HARQ operation. In some embodiments of the invention, retransmission signaling in included as part of regular unicast signaling used for both first transmission and retransmissions.

Abstract: A communication system using hierarchical modulation and capable of flexibly adjusting line quality includes a transmission apparatus that hierarchically modulates and transmits signal sequences, a reception apparatus that hierarchically demodulates a received signal, and a hierarchization-parameter setting unit that sets hierarchization parameters. The transmission apparatus includes a hierarchical modulation unit that superimposes signals from layers while maintaining gray codes. The reception apparatus includes a hierarchical demodulation unit that demodulates and separates hierarchically modulated signals and detects signals from layers. The hierarchization-parameter setting unit sets a hierarchization ratio which is a signal power ratio used for superimposing a higher layer and a lower layer, a mapping pattern capable of selecting two patterns, and a mapping pattern mixing ratio indicating a ratio with which two mapping patterns are mixed.