Abstract: An apparatus is provided for measuring the performance of a mobile communication system. The apparatus includes two measurement mobile interfaces and a measurement probe. The probe is connected to the backhauling interface of a base station of the system. Then, one measurement mobile interface transmits packets to the other measurement mobile interface via the base station. These packets are received at the base station, forwarded to the packet gateway of the system, sent back to the same base station, and finally received at the destination measurement mobile interface. Since the measurement probe belongs to the same apparatus as the mobile interfaces, it may detect the packets as transmitted/received at the backhauling interface. The probe then generates performance parameters relating to the packets as transmitted/received by the mobile interfaces and/or as detected at the backhauling interface. The system performance is then measured based on such parameters.

Abstract: Methods and apparatuses are provided for establishing time alignment by a User Equipment (UE) in a wireless communication system. Information for identifying a dedicated preamble on a downlink control channel is received from a base station. The dedicated preamble is transmitted to the base station based on the information. A response message to the transmitted dedicated preamble is received from the base station on a downlink shared channel. The response message includes a timing adjustment information and information for a Channel Quality Indicator (CQI) report. Time alignment is established based on the timing adjustment information included in the response message. The CQI report based on the information for CQI report is transmitted to the base station.

Abstract: A satellite communication system may include a terrestrial station and a satellite having a communication link therebetween. The terrestrial station may include a controller and a transceiver cooperating therewith and configured to determine a degradation of the communication link, obtain satellite-derived, rainfall rate and rainfall height data, and determine a rain fade for the communication link based upon the satellite-derived, rainfall rate and rainfall height data. When the degradation of the communication link is caused by the rain fade, the controller determines a mitigation action for the satellite and communicates the mitigation action to the satellite.

Abstract: The present invention relates to a method for channel state reporting in a wireless communication system, wherein the method is performed by a terminal and includes the steps of: receiving a setting for a limited measurement resource, a first set of CSI subframes, or a second set of CSI subframes for channel state measurement; calculating the value of a channel state of a specific type according to whether a reference resource for the channel state measurement corresponds to the first set of CSI subframes or the second set of CSI subframes; and transmitting the calculating value of the channel state to a serving base station, wherein the value of the channel state may be one of a first type of channel quality indicator (CQI) that is not affected by the interference base station in the cannel are partially removed, or a third type of CQI from which the effects of the interference signal of the main interference base station are not removed.

Abstract: The present invention provides a signal sending method and device. The method includes: sending a first discovery reference signal to first user equipment by using a first transmit power and a first transmit period, where the first discovery reference signal is used by the first user equipment for signal quality measurement; sending a second discovery reference signal to second user equipment by using a second transmit power and a second transmit period, where the second discovery reference signal is used by the second user equipment for signal quality measurement; and receiving a first signal measurement result of the first user equipment for the first discovery reference signal, and receiving a second signal measurement result of the second user equipment for the second discovery reference signal.

Abstract: Aspects of the disclosure relate to communication systems. In particular aspects relate to internet enabled wireless mobile devices, computer program products, non-transitory storage mediums, methods and systems for improving access to the internet.

Abstract: A method for multi-objective optimization, preferably including: evaluating objective functions at a point, determining a plurality of initial points, and/or determining a final point. A method for wireless power delivery, preferably including performing the method for multi-objective optimization to optimize wireless power delivery. A system for multi-objective optimization, preferably including one or more computation modules and one or more objective function evaluation modules, such as one or more wireless power transmitters and/or receivers.

Abstract: A digital computing device controlling the access to encrypted digital information includes a control unit, peripheral devices connected to the control unit, a hard disk connected to the control unit storing the digital data, and a data encryption key configured for encrypting the digital data. The control unit is configured to detect the peripheral devices, read identification information from the peripheral devices that denotes the respective peripheral device, generate for the peripheral devices a respective key encryption key on the basis of the read identification information, initially store at least one encrypted data encryption key that is generated by encrypting the data encryption key using the respective key encrypt ion key, in a memory area of the nerd disk, and after the initial storage determine the data encryption key by decrypting the encrypted data encryption key using the respective key encryption key derived from the respective identification information.

Abstract: A broadcast station candidate determination unit (52) compares a reception condition of a radio wave with a first reception condition threshold to determine whether to set a frequency of the radio wave as a frequency of a radio broadcast station candidate. An interference station candidate identification unit (54) calculates and identifies a frequency of an intermodulation interference station candidate using a frequency of a strong electric field station. An interference station determination unit (55) compares a reception condition of a radio broadcast station candidate whose frequency is the same as that of an intermodulation interference station candidate with a second reception condition threshold indicating that a reception condition is better than the first reception condition threshold to determine whether the radio broadcast station candidate is an intermodulation interference station or a radio broadcast station.

Abstract: Provided are a method for requesting, by a user equipment (UE), system information in a wireless communication system and a device supporting the same. The method may include: initiating a random access procedure; requesting system information from a base station (BS) in the initiated random access procedure; receiving, from the BS, a broadcast indication indicating that the requested system information is broadcast in the initiated random access procedure after requesting the system information from the BS; and stopping the initiated random access procedure.

Abstract: In a powerline communications (PLC) network having a first node and at least a second node on a PLC channel utilizing a band including a plurality of tones, based on at least one channel quality indicator (CQI), the first node allocates for a tone map response payload only a single (1) power control bit for each of a plurality of subbands having two or more tones. The power control bit indicates a first power state or a second power state. The first node transmits a frame including the tone map response payload to the second node. The second node transmits a frame having boosted signal power for the tones in the subbands which have the first power state compared to a lower signal power for the tones in the subbands which have the second power state.

Abstract: Apparatuses, methods, and systems are disclosed for determining a maximum power reduction for non-contiguous radio resource allocations. One apparatus includes a processor that identifies a received non-contiguous resource allocation and determines the maximum power reduction for the non-contiguous resource allocation based on whether a fraction of resource blocks punctured from a smallest containing contiguous allocation (“SCCA”) is less than a threshold value. The apparatus includes a transceiver that transmits uplink signals on the non-contiguous resource allocation using the determined maximum power reduction.

Abstract: Disclosed is to properly perform communications even in the coexistence of shortened TTIs and normal TTIs. User equipment performing communications by using a plurality of CCs (Component Carriers) including at least two CCs having different TTI (Transmission Time Interval) lengths, includes: a receiving section receiving downlink control information in a first CC and a control section controlling the communication in a second CC different from the first CC, based on the downlink control information.

Abstract: A user communications device having active and idle states operates in a cellular communications network in which user communications devices communicate via network communications devices of cells of the network. History data identifying the cells in which the user communications device has been present whilst in the idle state is maintained. This history data is used by the user communications device or by a network communications device to enable adjustment of cell selection/reselection parameters for the user communications device in the active state.

Abstract: A radio transmitting device and method enables reduction of an increase of CGI memories for the control channel and an improvement of the throughput of the data channel. When multiplex transmission through the control channel and the data channel is carried out and when adaptive modulation is applied to both channels, an MCS selecting section is provided with one CQI table for the data channel and CQI tables for the control channel, and a table selecting MCS determining section selects one of the tables depending on the transmission bandwidth of the terminal and determines the MCS of the control channel while looking up the selected CQI table.

Abstract: The present invention provides a method, a base station, and a user equipment for feeding back ACK/NACK information for carrier aggregation. The method includes: configuring a common field preset in DCI as at least one type of command field related to ACK/NACK feedback of at least two types of command fields related to ACK/NACK feedback, where the common field can be configured as the command fields related to ACK/NACK feedback; and sending the DCI to a user equipment, so that the user equipment feeds back ACK/NACK information according to the DCI. The present invention may realize backward compatibility of the ACK/NACK information feedback with an LTE system in carrier aggregation.

Abstract: A host processor controls an apparatus by updating all the phase shifter values of a phased array antenna by using “global write” to update these parameters to all phased-array transformation circuits simultaneously via a serial bus. Antenna elements, each controlled by a phased-array transformation circuit, are individually configured to transform phase and gain according to a register array. The register array has a local register group and a central register group, the local registers physically placed close in proximity to RF chains which each correspond to an element of array antenna, whereby each set of local registers control an individual antenna element and a central register controlling overall beam steering function. The apparatus is transformed by the host efficiently elaborating phase shift weights into a submodule of a phase array antenna system with low noise and bandwidth. The host triggers reuse of phase and gain when it can.

Abstract: An LTE mobile radio system to operate a mobile radio station at the edge of a coverage area via relay stations. Even in parked transportation vehicles, communication takes place via LTE for data services or for telephony. The disclosed vehicle-based relay radio station is useful in areas with little or no coverage because the disclosed system eliminates continual operation by providing a sleep/wake cycle for the relay radio station and for the subscriber terminal stations connected thereto increasing efficiency of the communication with regard to the loads on the transportation vehicle battery.

Abstract: A wireless device includes a sleep mode controller circuit (SMC), an RF circuit, and a processor. The SMC is configured to identify from a message that there is no impending data traffic to be received from another wireless device, put the wireless device into a power down mode powering down the processor and the RF circuit, and periodically checking for a another received message. Checking the RF message includes powering on the RF circuit on a periodic basis, determining whether another received message indicates that there is impending data traffic to be received from another wireless device, and, based on a determination that that there is impending data traffic to be received from another wireless device, powering up the processor.

Abstract: The present disclosure relates to a wireless power transmitter for performing communication with a wireless power receiver using a plurality of slots, and the wireless power transmitter may include a power conversion unit configured to transmit a wireless power signal to the wireless power receiver, and a power transmission control unit configured to perform communication with the wireless power receiver using the wireless power signal, wherein the power transmission control unit performs steps including receiving control information from the wireless power receiver within any one of the plurality of slots, transmitting an ACK signal to the wireless power receiver in response to the control information, and allocating the any one slot to the wireless power receiver to perform communication with the wireless power receiver using the any one slot when the ACK signal is received.

Abstract: Technology for a repeater is disclosed. The repeater can include a power amplifier and a controller. The controller can determine whether a load is connected to the repeater. The controller can protect the power amplifier when the load is not connected to the repeater by disabling the power amplifier. The controller can unprotect the power amplifier when the load is connected to the repeater by enabling the power amplifier.

Abstract: Methods and apparatuses pertaining to device-driven power scaling in advanced wireless modem architectures are described. A processor of a communication apparatus with time-varying peak processing capability during active operations negotiates with a wireless network, to which the communication apparatus is communicatively connected, to select one of a plurality of temporary capability states ranging between zero and peak performance of the communication apparatus. The processor initiates a capability state change such that the communication apparatus enters the selected temporary capability state from a current temporary capability state of the plurality of temporary capability states. The lifetime of the selected temporary capability state exceeds a control information period used by the wireless network to dynamically schedule data transmissions with the communication apparatus.

Abstract: In some implementations, a mobile device can analyze motion sensor data and proximity sensor data during a voice call to determine whether the mobile device is on a stationary object or worn on a user's body (e.g., in the lap or pocket of a user of the mobile device). The mobile device can adjust the transmit power level of the telephony transceiver during the voice call based on the determination.

Abstract: An electronic device and method are provided. The electronic device includes a communication module configured to support short-range wireless communication with an external device using a first band and a second band; a processor electrically connected to the communication module; and a memory electrically connected to the processor, wherein the memory, when executed, stores instructions to cause the processor to confirm at least one characteristic of a function and surrounding network environment information in response to a function performance request, and perform the function through one of the first band and the second band of the external device based on at least one of the characteristic of the function and the surrounding network environment information.

Abstract: There is provided a power information management device communicable with at least one another device and being able to perform one of mutual power supply and unidirectional power supply, comprising: a requesting unit configured to send a request for information concerning electric power to the at least one another device; a receiving unit configured to receive the power information from the at least one another device which has received the request; and a generating unit configured to generate power information concerning electric power of a plurality of devices including the power information management device and the at least one another device based on the information received from the at least one another device.

Abstract: A transmitter includes: a frame generator configured to generate a frame including a frame starting symbol, at least one data symbol and a frame closing symbol; a pilot and reserved tone inserter configured to insert pilots and reserved tones in at least one of the frame starting symbol, the data symbol and the frame closing symbol such that positions of the reserved tones do not overlap positions of the pilots in the at least one of the frame starting symbol, the data symbol and the frame closing symbol; and a transmitter configured to transmit the frame in which the pilots and the reserved tones are inserted, wherein the reserved tones are not used to transmit data in the frame.

Abstract: An entity, such as a base station, in a wireless communications network performs power control of a control channel based on one or more characteristics of a message in the control channel. For example, the control channel can be a paging channel. The one or more characteristics include, as examples, the size and/or the type of message in the control channel.

Abstract: A method for operating a user equipment (UE) includes receiving at least one of a configuration of a first group of one or more downlink (DL) signals, a configuration of a second group of one or more open-loop power control (PC) parameters, a configuration of a third group of one or more closed-loop PC parameters, or a configuration of a fourth group of one or more loop states, receiving a configuration of a PC setting, wherein the PC setting is associated with at least one of a subset of the first group, a subset of the second group, a subset of the third group, or a subset of the fourth group, selecting a transmit power level in accordance with the PC setting and a pathloss, wherein the pathloss is determined in accordance with a DL reference signal (SS) and a synchronization signal (SS).

Abstract: A method for operating in a power save mode for a wireless local area network and a device using the same are provided. After waking up, a device receives a frame via a wireless medium to determine that the wireless medium is busy. If a decoding of the frame in a medium access control (MAC) layer is unsuccessful but a decoding of the frame in a physical layer is successful, the device determines an Interframe space (IFS) to defer an access of the wireless medium.

Abstract: Provided are a method for a terminal executing vehicle-to-everything (V2X) communication to determine transmission power in a wireless communication system and a terminal utilizing the method. The method determines the transmission power necessary for a V2X transmission, and transmits a V2X signal to another terminal at the determined transmission power, wherein the transmission power for the V2X transmission is determined by means of a second parameter aggregation independent of a first parameter aggregation utilized when the terminal is transmitting a signal to a base station.

Abstract: In a mobile communication system comprising a base station (100) and a plurality of mobile stations (200) and operating closed loop transmitter power control, power control commands for transmission on an uplink are derived from measurements made on received downlink signals comprising non-predetermined data values. Optionally the non-predetermined data values may comprise power control commands for uplink transmit power control.

Abstract: Some methods for detecting and avoiding radio interference in a wireless sensor network can include an access point device periodically transmitting a beacon message to a plurality of IoT enabled devices via a radio channel, upon receipt of the beacon message, an IoT enabled device attempting to decode the beacon message, the IoT enabled device measuring and storing a signal strength of a successfully decoded beacon message as signal strength data in a memory of the IoT enabled device, the IoT enabled device increasing a missed beacon counter stored in the memory of the IoT enabled device responsive to a beacon message that cannot be decoded, each of the plurality of IoT enabled devices periodically transmitting stored data to the access point device, and the access point device using the received data to identify an interference source, or an interference issue or a fading issue on the radio channel.

Abstract: An apparatus and method for bit number allocation and power allocation of subcarriers and electronic equipment. The apparatus includes: a bit number calculating unit configured to calculate bit numbers to which subcarriers in a multicarrier communications system correspond according to signal to noise ratios of the subcarriers; a bit number allocating unit configured to allocate bit numbers for the subcarriers based on the bit numbers to which the subcarriers correspond calculated by the bit number calculating unit and a phase noise of the multicarrier communications system in communicating; wherein, the allocated bit numbers are related to signal modulation formats of the subcarriers; and a power allocating unit configured to allocate corresponding power for the subcarriers according to the bit numbers allocated by the bit number allocating unit for the subcarriers. With the embodiments, a transmission performance of the multicarrier communications system may be improved.

Abstract: A process for adjusting base station transmit power to reduce power consumption in a wireless radio system, the method includes causing, by a radio controller, a message to be transmitted on a control channel in the wireless radio system proposing a transmit power reduction with respect to a traffic channel in the wireless radio system. Subsequently monitoring, by the radio controller, one or both of the control channel and the traffic channel for an indication from a mobile station affected by the proposed power reduction that the proposed power reduction is unacceptable. And modifying, by the radio controller, as a function of the presence or absence of the indication, the transmit power of the traffic channel.

Abstract: Aspects of the subject disclosure may include, for example, a method, including applying a voice quality model to network performance information associated with a voice over internet protocol call session to generate a measure of voice quality associated with a first wireless radio access network wirelessly coupling a mobile device and a communication network, detecting a trigger condition for a measurement reporting according to the measure of voice quality, a first signal of the first wireless radio access network, and a second signal of a second wireless radio access network, and detecting a trigger condition for a measurement report according to the measure of voice quality, a first signal of the first network, and a second signal of a network. The measurement report can be transmitted to the first wireless radio access network responsive to detecting the trigger condition for the measurement reporting. Other embodiments are disclosed.

Abstract: Disclosed is a method for generating and transmitting system information in a mobile radio cell. In said method, system information is grouped into several information frames, information required for a mobile user device in order to verify if said mobile user device has access to the mobile radio cell being grouped into a single information frame, and the information frames are fed to the data securing layer by the network layer and are transmitted by means of the physical layer.

Abstract: Embodiments of the present invention provide a method and an apparatus for controlling transmit power of user equipment. The method includes: when total uplink transmit power of user equipment UE exceeds maximum allowed transmit power, calculating a first gain factor according to the maximum allowed transmit power; performing quantization processing on the first gain factor according to a gain factor of a first physical channel, to obtain a second gain factor, where the first physical channel includes a DPCCH2; reducing a gain factor of a second physical channel to the second gain factor, to reduce transmit power of the second physical channel, so that the total uplink transmit power of the UE does not exceed the maximum allowed transmit power, where the second physical channel includes an HS-DPCCH. This reduces a calculation error and improves control accuracy of transmit power.

Abstract: An electronic device and a power saving method of an electronic device forming an ad-hoc network are provided. The electronic device includes a communication circuit configured to transmit a beacon frame defining a beacon interval to an external device forming an ad-hoc network with the electronic device; and a processor configured to determine a state of the communication circuit during the beacon interval based on whether an announcement traffic indication message (ATIM) frame is transceived between the electronic device and the external electronic device. The method includes receiving power saving mode support information indicating whether to support a power saving mode function, from at least one external device; and activating or deactivating the power saving mode function of the electronic device based on the power saving mode support information.

Abstract: The present invention relates to a method and an apparatus for a user equipment receiving MBMS service processing a semi-permanent scheduling from an MBSFN subframe. A method for a user equipment receiving the multimedia broadcast multicast service (MBMS) processing a downlink scheduling in a mobile communication system of the present invention comprises: a detection step of detecting the occurrence of the downlink scheduling in a random transmission time interval; a decision step of deciding whether to process the downlink scheduling, depending on whether the user equipment is set to a transmission mode 9 or whether the transmission time interval belongs to a multimedia broadcast multicast service single frequency network (MBSFN) subframe; and a processing step of processing or disregarding the downlink scheduling based on the result of the decision.

Abstract: Systems, methods, and instrumentalities are disclosed for LTE operation in an unlicensed spectrum, LTE-U. A wireless transmit/receive unit, WTRU, may establish a connection with a first cell on a licensed frequency band. The WTRU may receive a first downlink transmission from a second cell operating on an unlicensed frequency band. The WTRU may determine that a synchronization signal transmission from a third cell operating on the unlicensed frequency band is transmitted using one or more resource elements. The WTRU may perform frequency and/or timing estimation based on the synchronization signal transmission. The WTRU may perform rate matching around the one or more resource elements that correspond to the synchronization signal transmission. The WTRU may perform rate matching around the one or more resource elements by de-mapping symbols of the downlink transmission.

Abstract: The various embodiments provide methods implemented in a MSMA communication device for managing a victim subscription's de-sense by proactively implementing an RF coexistence management strategy on the victim subscription when an RF coexistence event starts. In various embodiments, a MSMA communication device may implement an RF coexistence management strategy by determining when an aggressor subscription will de-sense a victim subscription and configuring the victim to anticipate and mitigate de-sense during the aggressor's transmissions. Thus, the various embodiments may provide dramatic improvements to the victim's overall reception performance and overall user experience.

Abstract: A method for ensuring parallel data random access and a user equipment are provided. An embodiment of the present invention includes controlling a random access sequence transmitted by a user equipment through a physical random access channel (PRACH) not to be sent with other uplink transmission in the same subframe, or, when a random access sequence transmitted by a user equipment through a PRACH is sent with other uplink transmission in the same subframe, controlling a priority of power transmission of the PRACH and a priority of power transmission of an uplink channel over which the other uplink transmission is performed, when power is limited.

Abstract: A head-end device according to an embodiment includes: a plurality of base station interfacing units configured to interface each of transmission/reception signals that are exchanged between the head-end device and a plurality of base stations; and a head-end control unit configured to receive an upper interfacing unit signal transmitted from an upper base station interfacing unit from among the plurality of base station interfacing units, and sequentially transmit the received upper interfacing unit signal to a lower base station interfacing unit.

Abstract: The present invention relates to a method and an apparatus for a user equipment receiving MBMS service processing a semi-permanent scheduling from an MBSFN subframe. A method for a user equipment receiving the multimedia broadcast multicast service (MBMS) processing a downlink scheduling in a mobile communication system of the present invention comprises: a detection step of detecting the occurrence of the downlink scheduling in a random transmission time interval; a decision step of deciding whether to process the downlink scheduling, depending on whether the user equipment is set to a transmission mode 9 or whether the transmission time interval belongs to a multimedia broadcast multicast service single frequency network (MBSFN) subframe; and a processing step of processing or disregarding the downlink scheduling based on the result of the decision.

Abstract: A systematic interferences mitigation design for protected satellite communications (SATCOM) is provided. An advanced channel coding is designed to provide coding gain for SATCOM even in the presence of synchronization errors because of unintentional and intentional radio frequency interferences (RFIs). A unified SATCOM system spectrum efficiency and energy efficiency performance model is developed with a unified interference model for SATCOM dynamic resource allocation (DRA). The SATCOM system DRA is designed with a game theoretic engine and link optimizations providing traffic control, power control, frequency hopping pattern selection, beamforming codebook selection, and modulation with coding agile waveform adaptations. The interferences mitigation design is implemented with software defined radio USRP and GNU-radio to maintain communication link quality of services (QoS).

Abstract: According to one embodiment, a wireless communication device includes a receiver configured to receive a plurality of first frames which are transmitted by multiplexing; and a transmitter configured to transmit a second frame containing check results indicating whether the plurality of first frames are successfully received and first information specifying at least one wireless communication device. The receiver is configured to receive a plurality of third frames transmitted by multiplexing in response to the second frame.

Abstract: A mobile device can send and receive signals in a dedicated frequency band and receive signals in a separate frequency band separate from the dedicated frequency band. The mobile device can send one or more frequency band compatibility combinations each including first and second frequency bands, the first frequency band being in the separate frequency band and the second frequency band being in the dedicated frequency. The mobile device can listen, based on a received neighbor list, for a first signal that has a frequency in the first frequency band and for a second signal that has a frequency in the second frequency band. The mobile device can determine, based on the first signal, ranging information indicative of a range from the mobile device to a source of the first signal, e.g., to obtain improved accuracy ranging information.

Abstract: In a communication system of the LPWAN type including a server and a plurality of gateways intended to make wireless communications with terminals in said communication system, the server: obtains a description of a mobility hierarchy in which mobility types are hierarchically defined; obtains a description of a mobility tree in which mobility areas are hierarchically defined, in conformity with the mobility hierarchy; obtains terrain measurements associated with each mobility area defined in the mobility tree; establishes a frequency plan on the basis of the mobility tree and terrain measurements; and configures the gateways and the terminals according to the frequency plan established.

Abstract: Disclosed are a power save mode-based operating method and apparatus in a wireless LAN. The power save mode-based operating method in a wireless LAN comprises the steps of: receiving, by an STA, overheard BSS information from an AP; receiving, by the STA, a PPDU, wherein the PPDU includes information on a BSS having transmitted the PPDU; determining, by the STA, whether the overheard BSS information includes the information on the BSS; and switching an awake state to a doze state when the STA determines whether the overheard BSS information includes the information on the BSS, wherein the overheard BSS information can include the information on at least one overheard BSS for transmitting a frame enabled to be overheard by the AP.

Abstract: Power allocation in NOMA systems for example on the basis Proportional Fairness calculations depends on knowledge of user throughput on a specified sub-band, which implies that users have already been allocated to particular sub-bands. Meanwhile, maximum throughput can generally be achieved where there is the greatest possible difference in transmission power for the users on a given sub-band, so that optimal allocation of users to sub-bands requires knowledge of the power available for each user.