Abstract: A communication system may include a radio frequency (RF) detector and an RF transmitter having a selectable hopping rate and a selectable hopping frequency window. A controller may be configured to operate the RF transmitter at a selected hopping rate and at a selected hopping frequency window based upon the RF detector.

Abstract: Described herein are methods and apparatus for NB-IoT devices to operate in unlicensed spectrum. Frequency hopping patterns are disclosed that enable compliance with applicable regulations. A base station may be configured to operate in Multefire (MF) narrowband internet of things (NB IoT) cell over unlicensed spectrum. The base station may communicate with one or more wireless devices over a specified number N of data channels separate in frequency. The frequencies of the data channels may be specified by a frequency hopping sequence. The base station may be configured to encode an anchor channel for transmission to the one or more wireless devices at a fixed frequency interspersed in time with the data channels.

Abstract: Embodiments of the present disclosure include example device-to-device communication methods and terminal devices. One example method includes determining, by a terminal device, a first resource, where the first resource is some time-frequency resources in a first resource set, where the first resource set is all time-frequency resources that can be used to detect a first transmission resource. The first transmission resource is a spectrum resource used to transmit first data. The terminal device can then perform detection for the first transmission resource in the first resource. In some instances, the terminal device can then send first data on the first transmission resource.

Abstract: A signal generation method is used in a transmission device that transmits a plurality of transmission signals from a plurality of antennas at the same frequency and at the same time, in the case where larger power change is performed on a first transmission signal than on a second transmission signal during generation process of the first transmission signal and the second transmission signal, the first transmission signal and the second transmission signal are mapped before the power change such that a minimum Euclidian distance between possible signal points for the first signal is longer than a minimum Euclidian distance between possible signal points for the second signal.

Abstract: The present invention relates to a method for transmitting a physical uplink control channel, the method comprising: determining a sequence hopping pattern on the basis of a frequency hopping index determined based on whether or not frequency hopping is configured in a slot; and transmitting a first PUCCH including a demodulation reference signal to which the determined sequence hopping pattern is applied, or a second PUCCH to which the determined sequence hopping pattern is applied.

Abstract: A communication control apparatus including: an acquisition unit configured to acquire channel-related information related to a channel state of a terminal apparatus located within a cell, and position-related information related to a position of the terminal apparatus; and a generation unit configured to generate statistical information related to the channel state according to the position in the cell on the basis of the channel-related information and the position-related information. The statistical information is information used for assignment of a wireless resource in the cell. The apparatus can reduce the amount of the control information transmitted/received within the cell.

Abstract: A radio communication device capable of randomizing both inter-cell interference and intra-cell interference. In this device, a spreading section primarily spreads a response signal in a ZAC sequence set by a control unit. A spreading section secondarily spreads the primarily spread response signal in a block-wise spreading code sequence set by the control unit. The control unit controls the cyclic shift amount of the ZAC sequence used for the primary spreading in the spreading section and the block-wise spreading code sequence used for the secondary spreading in the spreading section according to a set hopping pattern. The hopping pattern set by the control unit is made up of two hierarchies. An LB-based hopping pattern different for each cell is defined in the first hierarchy in order to randomize the inter-cell interference. A hopping pattern different for each mobile station is defined in the second hierarchy to randomize the intra-cell interference.

Abstract: Techniques are disclosed relating to distributing software packages among servers in a data storage facility. In various embodiments, a package distribution computer system receives an indication that a software package is to be distributed to a plurality of server systems. In some embodiments, the computer system determines a division of the plurality of server systems into two or more groups for distributing the software package. In some embodiments, for a given group, the computer system selects a server system to retrieve the software package and facilitate peer-to-peer distribution of the software package to remaining server systems within the given group. In some embodiments, the computer system receives metadata specifying one or more files included in the software package. In some embodiments, the computer system provides the metadata to at least one of the remaining server systems in the given group for retrieving the software package from the selected server system.

Abstract: A network includes a first wireless node that communicates over a wireless network connection. The first wireless node includes a first encryption engine that processes a first initialization data set and a current transmit sequence associated with a current communication to generate a next transmit sequence that is employed to communicate with a second wireless node that derives a next received sequence that corresponds to the next transmit sequence to process a subsequent communication.

Abstract: The present invention is designed so that control information for a receiving apparatus can be reported properly in the UL/DL of future radio communication systems. A transmitting apparatus, according to the present invention, has a control section that controls generation of a reference signal using an amount of phase rotation and/or a base sequence that are associated with control information for a receiving apparatus, and a transmission section that transmits the reference signal.

Abstract: A method and device for communication connection are provided. The method may include: sending by a host device, a broadcast connection request to slave device according to a first timer and a broadcast frequency hopping information of the host device; the broadcast connection request being used to set the currently used frequency hopping information by a target slave device as the communication frequency hopping information; receiving by a the host device, a broadcast acknowledgement response sent from the slave device, sending by the host device, a connection request to the slave device having sent the broadcast acknowledgement response, according to the first timer and the communication frequency hopping information; and establishing by the host device, a communication connection with the slave device having sent the broadcast acknowledgement response. This method can reduce the delay of establishing a communication connection between a host device and a slave device.

Abstract: The embodiments of the disclosure provide a method and device for Sounding Reference Signal (SRS) transmission. The method includes that: User Equipment (UE) determines an activated uplink Bandwidth Part (BWP); the UE determines an SRS parameter configuration corresponding to the active uplink BWP; and the UE transmits an SRS on the uplink BWP according to the SRS parameter configuration. With adoption of the embodiments of the disclosure, SRS transmission flexibility can be improved.

Abstract: A test equipment has a signal input/signal output and a use-site calibration unit for determining a user-site compensation function. The user-site compensation function has a compensation magnitude function and a compensation Hilbert phase function. The calibration unit has a level meter and a calculator. The level meter is configured to measure a magnitude characteristic of the electrical signal, the magnitude characteristic being the basis for the determination of the compensation Hilbert phase function. The calculator is configured to determine a Hilbert phase characteristic of the electrical signal based on a Hilbert transformation of a function dependent on the measured magnitude characteristic and to determine the compensation Hilbert phase function on the basis of the Hilbert phase characteristic.

Abstract: A frequency generator is disclosed. The frequency generator is for generating an oscillator clock according to a reference clock, and the frequency generator is used in a frequency hopping system that switches a carrier frequency among a plurality of channels, and the carrier frequency further carries a modulation frequency for data transmission. The frequency generator includes: a frequency hopping and modulation control unit, arranged for generating a current channel according to a channel hopping sequence and a frequency command word (FCW) based on the reference clock, a digital-controlled oscillator (DCO), arranged for to generating the oscillator clock according to an oscillator tuning word (OTW) obtained according to the estimated DCO normalization value. An associated method is also disclosed.

Abstract: Disclosed are a method for transmitting an uplink control channel in a wireless communication system and an apparatus for the same. Particularly, the method comprises the steps of: receiving allocation of a resource region including one or more symbols for transmission of an uplink control channel; and mapping uplink control information and a reference signal to each specific resource group unit in the allocated resource region, wherein the specific resource group unit may comprise a first resource element having the reference signal mapped thereto and second resource elements having the at least one piece of uplink control information mapped thereto, the second resource elements may be arranged adjacent to the first resource element, and the second resource elements may be multiplexed according to orthogonal cover codes in a clockwise or counter-clockwise direction.

Abstract: An apparatus and method for CSI reporting in the unlicensed band are described. CRS-RSs are transmitted from a RAN in narrowband data channels in the unlicensed band to an eMTC UE. The UE determines the CQI and PMI from the CRS-RSs and transmits a periodic CSI report to the RAN that contains the CQI and PMI. The periodic CSI report is received at a nsfrel th subframe of a nmframeth mframe, where nmframe satisfies nmframe mod Npd,mframe=NOFFSET,mframe where Nmframe is a reporting period in terms of mframes and NOFFSET,mframe is a reporting period offset in terms of mframes, and nsfrel satisfies nsfrel?20=NOFFSET,CQI where NOFFSET,CQI is a reporting period offset in subframes.

Abstract: Systems and methods are presented for allocating resources. In particular, the systems and methods may receive and process a requested SP state to identify for first SP channel information regarding (i) signal processing resources required and (ii) state priority, based on a first state table defining for each of a plurality of states for the first SP channel information regarding signal processing resources required and state priority information; and based on the identified information, arbitrating as between a current state and a requested state. Systems and methods are also provided for fast blanking override of a requested signal processing (SP) state. In particular, the systems and methods may receive a blanking input and automatically override a requested SP state for a first SP channel based on using a first state table to determine blank susceptibility information for the requested SP state.

Abstract: Facilitating improvements to the uplink performance in a communications network is provided herein. A system can comprise a processor and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations. The operations can comprise comparing respective metrics of a group of frequency hopping patterns based on a channel response received from a mobile device via uplink reference signals. The operations can also comprise selecting a frequency hopping pattern from the group of frequency hopping patterns based on a result of the comparing. Further, the operations can comprise indicating, to the mobile device, an index of the frequency hopping pattern with scheduling information of a communications network.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines K subsets of a resource pool. Each subset includes K grid elements. Additionally, each grid element includes at least K sub-elements. The apparatus selects one subset of the K subsets of the resource pool. Additionally, the apparatus transmits a message using K sub-elements of the selected subset.

Abstract: In some aspects, a channel hopping sequence for communication on a mesh network is generated. The hopping sequence may include multiple channels assigned to respective positions in the hopping sequence. In some cases, a first channel is assigned to a first position such that the first channel may transmit communications in a first transmission mode, such as a low-bandwidth transmission mode. In addition, an additional channels adjacent to the first channel is also assigned to the first position such that the combination of the first channel and additional channel may transmit communications in a second transmission mode, such as a high-bandwidth transmission mode. In some cases, a whitelist is determined based on the assigned channels. The whitelist may indicate channels that do not conflict with the assigned channels during transmission of a communication. In addition, channels may be assigned to the hopping sequence based on the whitelist.

Abstract: Briefly, the present disclosure is directed to methods and apparatus that allow for the synchronization with, and measurement reporting of, unlicensed frequency carriers. A method and apparatus for synchronizing to an Scell operating on an unlicensed carrier determine, at a UE (108, 116), one or more measurement instances where a discovery signal may be transmitted, for example, by a base station (132), on the Scell from a higher layer configuration message. The method and apparatus may monitor a control channel for a control channel message and determine whether the discovery signal will be transmitted during one or more measurement instances on the Scell. The method and apparatus may detect the discovery signal transmission on the Scell during one or more of the measurement instances. The method and apparatus may also synchronize to and/or measure the Scell based on detected discovery signal transmissions.

Abstract: A signal generation method is used in a transmission device that transmits a plurality of transmission signals from a plurality of antennas at the same frequency and at the same time, in the case where larger power change is performed on a first transmission signal than on a second transmission signal during generation process of the first transmission signal and the second transmission signal, the first transmission signal and the second transmission signal are mapped before the power change such that a minimum Euclidian distance between possible signal points for the first signal is longer than a minimum Euclidian distance between possible signal points for the second signal.

Abstract: A method and apparatus for a first node to establish a wireless connection with a second node includes determining a reception time period of the second node during which a radio of the second node is turned on to receive signals, and an interval time period between commencement of reception periods of the second node, determining an event, in response to determining the event, transmitting a message to the second node a predetermined number of times, wherein a first time between transmission of the message is substantially equal to the reception time period, and the predetermined number of times that the message is transmitted is a positive integer that is equal to a quotient of the interval time period divided by the first time, rounded up to the next larger positive integer if the quotient includes a remainder.

Abstract: A method for determining an attribute of a carrier sense multiple access with collision avoidance (CSMA/CA) scheme, the method may include receiving, by an interface of a wireless communication device, an input signal; calculating, by a processor of the wireless communication device, a strength of the input signal; and determining, by the processor, the attribute of the (CSMA/CA) scheme in response to the strength of the input signal.

Abstract: A receiver performs independent packet detection using synchronization words with orthogonality when multiple signals on which frequency-shift keying is performed coexist. The receiver includes a frequency demodulator generating a quasi-amplitude modulation signal that has a value proportional to frequency shift from the first signal or second signal being received, a sign discriminator discriminating a sign of the generated quasi-amplitude modulation signal, and a multi-binary correlator calculating a first correlation value which is a binary correlation value between the discriminated sign and a first synchronization word and calculating a second correlation value which is a binary correlation value between the discriminated sign and a second synchronization word.

Abstract: The embodiments of the present disclosure provide a method and an apparatus for data processing with structured LDPC codes. The method includes: obtaining a code block size for structured LDPC coding; determining a coding expansion factor z based on at least one of the code block size, a parameter kb of a basic check matrix, a positive integer value p or the basic check matrix having mb rows and nb columns; and encoding a data sequence to be encoded, or decoding a data sequence to be decoded, based on the basic check matrix and the coding expansion factor. The present disclosure is capable of solving the problem in the related art associated with low flexibility in data processing with LDPC coding and improving the flexibility in data processing with LDPC coding.

Abstract: A communication control device, a communication control method, and a program which can reduce interference caused among different radio systems. The communication control device includes: a communication unit configured to communicate with an apparatus belonging to a first radio network; and a control unit configured to control whether or not a radio communication apparatus belonging to the first radio network performs frequency hopping based on information of a second radio network different from the first radio network.

Abstract: There is provided configuration of a secondary network node in a carrier aggregation enabled communications network The secondary network node supports radio transmission using a cellular radio access technology (RAT) for deployment as a network node serving a secondary serving cell associated with a primary serving cell in a carrier aggregation enabled communications network using the cellular RAT and a non-cellular RAT for deployment as a network node serving a non-cellular RAT hotspot using the non-cellular RAT. After receiving an indication from a cellular primary network node associated with the primary serving cell the secondary network node starts scanning an unlicensed frequency band for deployment of the network node. The secondary network node determines at least one frequency interval of the at least one unlicensed frequency band substantially free from transmitting interferers.

Abstract: A method for routing and switching operator RF signals includes providing one or more Digital Remote Units (DRUs) and providing at least one Digital Access Unit (DAU) configured to communicate with at least one of the one or more DRUs. A first DRU is operable to communicate using a first set of frequencies characterized by a first frequency band over a first geographic footprint and a second set of frequencies characterized by a second frequency band different from the first frequency band over a second geographic footprint including and surrounding the first geographic footprint. A second DRU is operable to communicate using the first set of frequencies over a third geographical footprint and a third set of frequencies characterized by a third frequency band different from the first frequency band and the second frequency band over a fourth geographic footprint including and surrounding the third geographic footprint.

Abstract: A method and apparatus are provided for updating a sequence hopping (SH) pattern of an uplink channel during handover from a current cell having a current SH pattern. At least one downlink channel of each neighbor cell of the current cell is monitored. Information indicative of the monitored downlink channels of the neighbor cells is transmitted to the current cell. Prior to receiving a handover command from the current cell a target cell from among the neighbor cells is anticipated and a common downlink channel of the anticipated target cell is monitored to determine information representative of a target SH pattern of the target cell.

Abstract: Various solutions for frequency hopping design for grant-free transmission with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive a frequency hopping pattern from a network node. The apparatus may determine a frequency hopping location according to the frequency hopping pattern. The apparatus may perform an uplink grant-free transmission according to the frequency hopping position. The frequency hopping pattern may comprise user equipment specific information.

Abstract: The disclosure relates to a method and apparatus for real-time transmission in a field broadband bus architecture over an industrial internet, where the field broadband bus architecture over an industrial internet includes: a bus controller, at least one bus terminal, and a two-wire bus over which the bus controller and the bus terminal are connected to constitute a network, the bus controller communicates with any one bus terminal, and the respective bus terminals communicate with each other, using the Orthogonal Frequency Division Multiplexing technology, and sub-carriers occupied by the respective bus terminals do not interfere with each other; and the method includes: the bus controller receives a fixed-rate service transmitted by the bus terminal in an uplink subframe over pre-allocated fixed-rate service resource blocks; and allocates resource blocks for a variable-rate service of the bus terminal in a real-time manner among variable-rate service resource blocks.

Abstract: A network element in a first cell in a wireless telecommunication network is provided. The network element comprises a processor configured such that the network element provides uplink and downlink grants in the first cell, wherein the first cell is a low-power cell within the coverage area of a second, high-power cell, and wherein the first cell acts as a secondary cell and the second cell acts as a primary cell in a carrier aggregation mode, and wherein at least one uplink control signal is received by one of only the first cell or both the first cell and the second cell.

Abstract: Systems and methods for signaling or receiving cell identity, network identity, and/or Frequency Hopping (FH) patterns are disclosed. In some embodiments, a method of operating a wireless device in a wireless communication network includes obtaining a signal transmitted from a network node and determining a physical cell identifier, ID, of the network node based on the signal. The method also includes determining a FH pattern of the network node based on the determined physical cell ID of the network node. In this manner, the wireless device can efficiently determine the FH pattern used and may be able to determine if the wireless device should connect to the network node.

Abstract: A computing device may include an accessory radio that facilitates point-to-point wireless connectivity between the computing device and one or more accessory devices. The accessory radio may periodically broadcast its presence to the one or more accessory devices while operating in an active state. The accessory radio may transition from the active state to a sleep state after a period of inactivity. The computing device may also include a general purpose radio that may facilitate general wireless connectivity between the computing device and other devices. The general purpose radio may listen for any messages that are intended for the accessory radio while the accessory radio is in the sleep state. The general purpose radio may activate the accessory radio in response to the general purpose radio receiving a message, while the accessory radio is in the sleep state, that satisfies at least one activation condition.

Abstract: A device combines filter circuits to be connected to an antenna, enabling carrier aggregation for wireless communications over multiple RF frequency bands in different operational environments. The device includes first, second and third filter circuits having first, second and third matching networks and one or more first, second and third band pass filters with corresponding passbands, respectively. The device further includes multiple individual matching networks not dedicated to any of the first, second or third filter circuits, and a multi-state switch configured to provide different filter circuit combinations by selectively connecting at least two of the first, second and third filter circuits, respectively, and at least one individual matching network of the multiple matching networks. Each filter circuit combination includes a combined matching network having at least two of the first, second and third matching networks and the at least one individual matching network.

Abstract: Methods, systems, and devices are described for wireless communication. Dedicated frequency resources of a physical random access channel (PRACH) may be designated for large and small frequency hops to facilitate the determination of timing offsets for PRACH transmissions. For instance, a frequency hopping pattern within the PRACH channel having a plurality of single tone transmission may include a first number of hops associated with a first frequency hopping distance (e.g., large frequency hops), and a second number of hops associated with a second frequency hopping distance (e.g., small frequency hops).

Abstract: A method of measuring interference to perform efficient data communication is disclosed. A method of measuring interference of neighboring cells comprises allocating one or more first resource elements, to which pilot signals are allocated, to predetermined symbol regions included in a first resource block; allocating one or more second resource elements for measuring interference of the neighboring cells to a first symbol region of the predetermined symbol regions; and measuring interference of the neighboring cells using the one or more second resource elements.

Abstract: The method for a terminal for receiving data for each service from a particular frame in a wireless communication system according to the present invention comprises the steps of: receiving, from a base station, a first control channel comprising first control information associated with a first service; receiving, from the base station and on the basis of the control information, a first data channel utilized for transmitting the first service; receiving, from the base station, a second control channel comprising second control information associated with a second service; and receiving, from the base station and on the basis of the second control information, a second data channel utilized for transmitting the second service, wherein the first and second services are services of mutually different types, and the first control channel is received by means of the full system bandwidth configured on the terminal, and the second control channel and second data channel are received by means of a particular sub-b

Abstract: A wireless communication system of the present disclosure includes a first wireless communication device that performs wireless communication in a first communication scheme, a terminal device that performs wireless communication in the first communication scheme with the first wireless communication device, and a plurality of second wireless communication devices that can perform wireless communication in a second communication scheme different from the first communication scheme, and function as access points.

Abstract: This disclosure relates to antenna switching circuitry and other radio frequency (RF) front-end circuitry. In one embodiment, the antenna switching circuitry includes a multiple throw solid-state transistor switch (MTSTS), a multiple throw microelectromechanical switch (MTMEMS), and a control circuit. The MTSTS is configured to selectively couple a first pole port to any one of a first set of throw ports and to selectively couple a second pole port to any one of a second set of throw ports. The MTMEMS is configured to selectively couple a third pole port to any one of a third set of throw ports. The control circuit is configured to control the selective coupling of the MTSTS and the MTMEMS. In this manner, the control circuit may operate the antenna switching circuitry so that RF signals may be routed in accordance with Long Term Evolution (LTE) Multiple-Input and Multiple-Output (MIMO) and/or LTE diversity specifications.

Abstract: A method may include determining, by a base station, a switching occasion during which at least one connected user equipment will be in a connected off cycle and at least one idle user equipment will be in an idle off cycle, instructing the at least one connected user equipment and at least one idle user equipment to switch, during the switching occasion, from communicating with the base station via a source carrier frequency to communicating with the base station via a target carrier frequency, and switching, during the switching occasion, from communicating with the at least one connected user equipment and the at least one idle user equipment via the source carrier frequency to communicating with the at least one connected user equipment and the at least one idle user equipment via the target carrier frequency.

Abstract: The present disclosure relates to a communication technique for converging a 5G communication system for supporting a higher data rate beyond a 4G system with an IoT technology, and a system therefor. The present disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail, security and safety-related service, and the like) on the basis of a 5G communication technology and an IoT-related technology. The present invention relates to a method for transmitting and receiving data, and a method for receiving data by a terminal according to the present invention comprises: receiving, from a base station, a random sequence generation parameter for generating a random sequence including a random variable in a first band; generating the random sequence using the received parameter; and performing decoding on the basis of the random variable included in the random sequence in a second band.

Abstract: A system and method operating a convertible information handling system comprising a processor executing code instructions for a modular dynamic wireless power control system for detecting an active wireless link operating via an antenna system and a first orientation mode, wherein the transmission power of the antenna system is limited to a regulatory safety maximum depending on orientation, the processor determining the permitted regulatory safety maximum transmission power for the first orientation mode for the information handling system and the processor determining relative transmission activity levels for the information handling system relative to the first active wireless link and the second active wireless link, including a first wireless link data rate transmission level for the first antenna system and a second wireless link data rate transmission level for the second antenna system.

Abstract: A method for transceiving audio data by using Bluetooth low energy in a wireless communication system supporting Bluetooth communication by a first device, includes: establishing at least one isochronous channel for transmitting isochronous data with at least one second device; and transmitting the audio data to at least one second device through at least one established isochronous channel during a first interval.

Abstract: An A/D converter includes: an input unit configured to receive an analog input signal, a preprocessing unit configured to convert the input signal into a digital preprocessing signal based on a dynamic range of the input signal and a first resolution corresponding to a predetermined first bit number, a first conversion unit configured to convert the preprocessing signal into a first output signal based on a second resolution corresponding to a second bit number smaller than the first bit number, and a second conversion unit configured to convert the preprocessing signal into a second output signal based on a third resolution corresponding to a third bit number which is smaller than the first bit number and is different from the second bit number.

Abstract: Example radio frequency (RF) transmitters and associated methods are disclosed. One example RF transmitter includes an RF oscillator, a real-time clock (RTC) oscillator. and a control circuit. The control circuit is configured to determine whether a calibration of the RF oscillator is needed; electrically couple the RF oscillator to the RTC oscillator and initiate calibrating of the RF oscillator using the RTC oscillator when it is determined that the calibration is needed; and activate the RF oscillator to operate in an open-loop mode to generate an RF signal for data transmission. The calibration can be performed in a closed-loop mode before the data transmission or in an open-loop mode during the data transmission.

Abstract: The present disclosure discloses a method and network device for adaptive management of wireless clients based on clients' radio behaviors and capabilities. Specifically, a disclosed network device can dynamically select a location tracking mechanism based on a probing characteristic of a client device. The disclosed network device can also dynamically selects a communication mechanism based on a power saving characteristics of a client device. Moreover, the disclosed network device can determine whether to select a new access point for a client device based on roaming characteristics of the client device. The adaptive management of client devices can be performed on a group of client devices with similar radio behaviors and/or capabilities on a per-radio rather than per-BSSID (basic service set identifier) basis.

Abstract: Embodiments of the present invention include methods and systems for detecting a peak of an ultra-wide-band (UWB) signal in a data stream.

Abstract: Systems and Methods for supporting carrier aggregation with different TDD configurations are proposed. In a first novel aspect, corresponding apparatus structure is described. In a second novel aspect, aggregation constraint is discussed. In a third novel aspect, transceiving mechanisms over multiple component carriers in DL/UL overlapped subframes are proposed. For simultaneous DL/UL transceiving, band combination indication methods are proposed, and HARQ feedback mechanisms are proposed. For non-simultaneous DL/UL transceiving, transceiving configuration methods are proposed, and the same HARQ feedback mechanisms are proposed. In a fourth novel aspect, CQI/RLM/RRM measurement mechanisms are proposed. In a fifth novel aspect, UE capability signaling mechanisms are proposed. The objective is to support flexible aggregation, to enhance DL data throughout, and to improve UL transmit power efficiency.