Abstract: Methods, systems, and devices for wireless communications are described. A transmitter may transmit a payload in transmission to the base station in a wireless communications system. The transmitter may identify a payload to include in the transmission to the base station. The transmitter may determine to transmit the transmission using an orthogonal sequence codebook or a non-orthogonal sequence codebook, based on a size of the payload, a control message from the base station to the transmitter, or a combination of these. The transmitter may then transmit the transmission to the base station based on whether the transmission is to use the orthogonal sequence codebook or the non-orthogonal sequence codebook. The transmission may be a noncoherent transmission. The transmission may be an uplink control information transmission, an uplink data transmission, a downlink control information transmission, or a downlink data transmission.

Abstract: Systems and methods are disclosed for random access in a wireless communication system such as, e.g., a wireless communication system having a non-terrestrial (e.g., satellite-based) radio access network. Embodiments of a method performed by a wireless device and corresponding embodiments of a wireless device are disclosed. In some embodiments, a method performed by a wireless device for random access comprises performing an open-loop timing advance estimation procedure to thereby determine an open-loop timing advance estimate for an uplink between the wireless device and a base station. The method further comprises transmitting a random access preamble using the open-loop timing advance estimate. In this manner, random access can be performed even in the presence of a long propagation delay such as that present in a satellite-based radio access network. Embodiments of a method performed by a base station and corresponding embodiments of a base station are also disclosed.

Abstract: A communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a user equipment (UE) for receiving data is provided. The method includes receiving, from a base station, information on radio resources allocated to the UE, and receiving, from the base station, data based on the information on the radio resources. The radio resources are associated with a plurality of symbols in a time domain and a plurality of resource block groups in a frequency domain.

Abstract: Embodiments of this application provide a signal transmission method and a communication apparatus in a multi-waveform scenario, and are applied to a scenario in which a single-carrier waveform and a multi-carrier waveform coexist. In this method, a network device indicates, via first indication information, a terminal device to transmit a signal by using transmission parameters corresponding to the first indication information, so that the terminal device transmits the signal by using the specified transmission parameters. Transmission parameters includes at least two of a transmission bandwidth, an extended bandwidth, or a total bandwidth. According to the embodiments of this application, a transmit end may perform sending by using the single-carrier waveform, and a receive end may perform receiving by using the multi-carrier waveform; or a transmit end may perform sending by using the multi-carrier waveform, and a receive end may perform receiving by using the single-carrier waveform.

Abstract: Methods, systems, and devices for timing adjustments for data transmissions in mobile communication technology are described. An exemplary method for wireless communication includes determining, by the first device, a distance between the first device and the second device, and performing a transmission based on a timing adjustment that is determined using the distance. Another exemplary method for wireless communication includes broadcasting, by the second device, a location information of the second device, and receiving, from the first device, a transmission, where the first device is configured to communicate the transmission based on a timing adjustment that is determined using the distance, and where the distance is based on a location information of the first device and the location information of the second device.

Abstract: A method of scheduling and transmitting a wireless transmission over an air-interface in a composite network is provided. The composite network comprises a time-sensitive network comprising at least one time-sensitive network entity and a wireless network comprising at least one base station and the air-interface, wherein the air-interface comprises a plurality of slots, wherein each slot has a primary control channel defined at the beginning of the slot, and a number of secondary control channels defined in each slot after the primary control channel, and a plurality of data channels, each primary control channel defining a slot, each secondary channel defining a mini-slot.

Abstract: A signal sending method, a signal receiving method, and an apparatus are provided. The method includes: A network device generates a first sequence, where the network device maps the first sequence to the last 11 orthogonal frequency division multiplexing OFDM symbols in a first subframe, and maps, to the first M OFDM symbols in the first subframe sequentially, a second sequence that belongs to the first sequence, where the second sequence is a sequence that is mapped to M OFDM symbols in a last N OFDM symbols of the first subframe, N is greater than or equal to M, N is an integer greater than 0 and less than 12, and M is an integer greater than 0 and less than 4; and the network device sends the first subframe.

Abstract: This disclosure describes systems, methods, and devices related to an extreme high throughput (EHT) signaling structure. A device may establish a communication channel with one or more station devices (STAs). The device may generate an extreme high throughput signal field (EHT-SIG) of a header, wherein the EHT-SIG field comprises information associated with resource allocations (RUs). The device may generate a frame comprising the header. The device may assign a first RU to a first station device. The device may assign a second RU to the first station device, wherein the first RU or the second RU is an aggregation of a 26-tome RU and a neighboring RU. The device may cause to send the frame to the first station device.

Abstract: A communication system with increased throughput for providing communication between transceivers via a wireless communication channel through multiple, N, single input, single output, SISO, links provided for a corresponding number, N, of data sequences, wherein each transceiver includes a transmitter having spreading units each configured to spread in an operation mode of the communication system a data sequence with an associated predefined unique spreading code sequence to generate a spread data sequence multiplexed to an antenna unit of the respective transceiver configured to transmit the spread data sequences via the wireless communication channel to antenna units of other transceivers of the communication system.

Abstract: In accordance with the example embodiments of the invention there is at least a method an apparatus to perform determining signaling comprising at least one wake-up signal to indicate an occurrence or a non-occurrence of a paging request associated with a next paging occasion of a network device; and sending the signaling comprising the at least one wake-up signal toward a network device in a communication network, wherein the at least one wake-up signal is to cause the network device to determine whether to leave at the next paging occasion an energy saving sleep mode to receive the paging request. Further, there is performing receiving by a network device in a communication network at least one wake-up signal to indicate an occurrence or a non-occurrence of a paging request, wherein the at least one wake-up signal is for use by the network device to determine whether to leave at its next paging occasion an energy saving sleep mode to receive the paging request.

Abstract: A distributed radio frequency communication system facilitates communication between wireless terminals and a core network. The system includes a group of remote radio units (RRUs). Each RRU of the group of RRUs is coupled to an antenna to communicate with at least some of the mobile terminals and includes electronic circuitry to perform at least a first portion of a first-level protocol of a radio access network (RAN) and communicate over a fronthaul link. The system also includes a baseband unit (BBU) coupled to the core network and the fronthaul link, and communicably coupled to the group of RRUs over the fronthaul link. The RRU receives a synchronization-assisting radio-frequency signal and sends information derived from that signal to the BBU. The BBU processes the information to determine synchronization instructions which are then used to adjust a local clock in the RRU.

Abstract: Systems and methods for adaptive beamforming for a mobile satellite system (MSS). Embodiments described herein provide individual-user-optimized, adaptive beamforming. One example system creates a user beam optimized based either on known user locations or the waveforms received from all cochannel users. The user beam maximizes the signal-to-interference-noise relative to the desired user, both in the forward and return links. The optimization process considers the spatial distribution of all cochannel users in the footprint of the satellite. The user beam adapts to the user's location and co-channel interference environment.

Abstract: A communication system is presented in which a base station is provided for communicating with a plurality of mobile communication devices in a cellular communication system. The base station operates one of more communication cells and communicates subframes, with each of the plurality of communication devices within the cell(s), each comprising the communication resources of a control region for communicating a control channel and the communication resources of a data region for communicating a respective data channel. The base station communicates a control channel having a first DMRS sequence in a control region of some subframes and a control channel having a second DMRS sequence in a control region of other subframes. The second control channel may be transmitted in a radio beam focused spatially in a direction of a communication device. The first control channel may be transmitted omnidirectionally throughout the cell(s).

Abstract: A user equipment (UE) may receive information indicating time slots in first channels that the UE is to monitor for control messages, the control messages including control messages that are used to allocate physical resources to the UE. The UE may receive a second channel transmission in a time slot prior to at least one of the indicated time slots, the second channel transmission indicating that the UE is not to monitor for at least one first channel in the at least one of the indicated time slots. The UE may receive a third channel transmission in a time slot prior to at least another one of the indicated time slots, the third channel transmission indicating that the UE is to monitor for at least one first channel in the at least another one of the indicated time slots.

Abstract: In an aspect, a radar controller determines a radar slot format that configures transmission of a reference radar signal on a first symbol over a first link from a first base station to a second base station followed by at least one target radar signal on at least one second symbol over at least one second link from the first base station to the second base station, and transmits an indication of the radar slot format to the first base station and the second base station. The first base station transmits, and the second base station receives, the reference radar signal and the at least one target radar signal in accordance with the radar slot format.

Abstract: A system and method that measures the code non-linearity of a phase mixer (PMIX) during active operation of a clock and data recovery (CDR) circuitry. The PMIX circuitry generates a clock signal based on the PMIX codes. The PMIX circuitry receives a plurality of codes and based on the code value, adjusts the phase of the PMIX output clock signal. A number of times each of the plurality of PMIX codes occurs within a respective time period is determined. Non-linearity values are determined based on the number of times. The non-linearity values are stored in a memory.

Abstract: In a wireless communication device, which is mounted on a vehicle and performs wireless communication with a wireless communication device as a communication target using a plurality of frequency channels, the plurality of frequency channels includes a first channel and a second channel, and the first channel uses at least a radio signal of a polarization plane orthogonal to a polarization plane of a radio signal in the second channel.

Abstract: The technology described herein relates to implementing an adaptive bitrate (ABR) algorithm at edge nodes. A method for implementing an ABR algorithm at an edge node may include receiving at the edge node a request for a video segment from a client according to the client's ABR algorithm, the request indicating a quality. A weighted sum score for each of a set of qualities may be computed based on a quality score and a fairness score using the ABR algorithm at the edge node, the qualities including at least the requested quality and another quality. A modified request may be generated in response to the weighted sum score for the other quality being better than the weighted sum score for the requested quality. The modified request may be sent to a server. The video segment in the other quality may be received from the server and provided to a client.

Abstract: Systems and methods for transmitting data partitioned into a sequence of frames may include transmitting a first packet that includes a primary frame and one or more preceding frames from the sequence of frames of data, wherein the one or more preceding frames of the first packet are separated from the primary frame of the first packet in the sequence of frames by respective multiples of a stride parameter; transmitting a second packet that includes a primary frame and one or more preceding frames from the sequence of frames of data, where the primary frame of the first packet is one of the one or more preceding frames of the second packet; and, prior to transmitting the first packet and the second packet, randomly determining an order of transmission for the first packet and the second packet.

Abstract: Embodiments of the present disclosure relate to mechanism for interactions for entering into the sleep mode. According to embodiments of the present disclosure, the network device transmits the information of go-to-sleep, GTS, to the terminal device on a lower layer (for example, the physical layer). The lower protocol layer informs the higher protocol layer (for example, the MAC layer) of the information of GTS. The terminal device determines how to monitor the physical downlink channel based on the information of GTS. Further, the terminal device may switch bandwidth part based on the information of GTS. In this way, the GTS is able to significantly save power.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may configure a bandwidth part (BWP) switching configuration of a user equipment in connection with a dual active protocol stack (DAPS) handover based at least in part on a BWP switching rule; and perform the DAPS handover. Numerous other aspects are provided.

Abstract: This document describes techniques and systems that enable a base-station-initiated grant revoke. The techniques and systems allow a base station to generate and send a grant-revocation message (GRM) to a user equipment (UE) to revoke a scheduled uplink (UL) or downlink (DL) grant from the base station. The base station can transmit the GRM to the UE using a variety of techniques. For example, based on a trigger event, the base station may assign a UE identifier, such as a specific radio network temporary identifier (RNTI), to the UE and transmit the GRM to the UE using a revoke-physical-downlink-control-channel (R PDCCH) transmission that is associated with the UE identifier. These techniques allow the base station to revoke a scheduled UL or DL grant, which can enable the UE to quickly address timing-critical resource allocation issues and mitigate the effects of adverse operating conditions.

Abstract: An occupant detection system for an interior cabin area of a vehicle includes one or more signal conversion devices including conversion circuitry and a wireless control module including a multi-band transceiver having two or more transceivers. The wireless control module executes instructions to continuously send, by a first transceiver, signals on a first frequency band. The wireless control module executes instructions to receive, by a second transceiver, signals on a second frequency band from a signal conversion device. The wireless control module compares original training symbols from the signals on the first frequency band with training symbols from the signals on the second frequency band to determine a change in value of in one or more channel state information (CSI) parameters, and determines one or more occupants are present within the interior cabin area of the vehicle based on the change in one or more CSI parameters.

Abstract: A method of ranging between a first and a second radio signal transceiver comprises calculating a preliminary estimate of a value proportional to a one-way frequency domain channel response, for a frequency of a plurality of frequencies and for each of a first antenna combination and a second antenna combination of a plurality of antenna combinations; calculating a comparison value for the preliminary estimate, for the frequency and for each of the first antenna combination and the second antenna combination; determining, for the frequency and the first antenna combination, a corrected estimate of the value proportional to the one-way frequency domain channel response based on the preliminary estimate and the comparison value, for the first antenna combination and the second antenna combination; and performing a ranging calculation between the first and the second radio signal transceiver based on a plurality of such corrected estimates.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may identify a first throughput on a first beam of the UE, wherein the first beam is associated with a first number of antenna elements. The UE may identify an estimated maximum throughput of the UE. The UE may communicate, based at least in part on the first throughput being greater than the estimated maximum throughput, using a second beam, the second beam having a second throughput that is greater than the estimated maximum throughput, and the second beam being associated with a second number of antenna elements lesser than the first number of antenna elements. Numerous other aspects are described.

Abstract: A method for configuring a data transmission mode includes generating first configuration information and second configuration information for a preset link, the first configuration information including information indicating whether preset information configured for each logical channel of the preset link is shielded, and/or a data transmission mode of each logical channel, the data transmission mode including a first transmission mode and a second transmission mode, and the second configuration information including a first scheduling mode corresponding to the first transmission mode, a resource pool provided by the first scheduling mode, and a second scheduling mode corresponding to the second transmission mode.

Abstract: A ternary phase shift keying transmitter and receiver can efficiently communicate using ternary encoded data that avoids indistinguishable transition curves for each of the three modulated states in the ternary encoded data. The transmitter is interoperable and can function with different types of receivers including direct detection-based receivers and coherent detection-based receivers.

Abstract: A method and a base station are disclosed for multi-user multiple input multiple output (MU-MIMO). According to an embodiment, a base station obtains historical scheduling characteristic information. The base station reserves resources for MU-MIMO users based at least on the historical scheduling characteristic information. The base station allocates the reserved resources to the MU-MIMO users.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a multi-slot grant for one of uplink communication or downlink communication. The UE may communicate in the multi-slot grant based at least in part on information that provides an indication of one or more time gaps for the multi-slot grant. Numerous other aspects are provided.

Abstract: During an adaptive streaming session of video content, an access latency is obtained by a client device (100A) running the adaptive streaming session in order to adapt the quality of the requested video content when necessary.

Abstract: Implementations of the present disclosure provide a wireless communication method, a terminal device, and a network device. In the method, a terminal device detects first Downlink Control Information (DCI) in a Physical Downlink Control Channel (PDCCH) search space corresponding to a first carrier. A first information field in the first DCI indicates a second carrier. The terminal device activates or deactivates the second carrier in response to the first DCI.

Abstract: A method for transmitting covertly employs three features in a novel combination to create a transmission waveform that has no detectable artifacts. First, the method employs spread spectrum, such as a direct sequence spread spectrum signal, to transmit the power level below the noise floor. Second, the method modulates the phase of each chip in the spread spectrum signal using a chaotic sequence. Third, the method filters the transmission signal using a pulse shaped filter to depress blind detection features in the amplitude modulation and higher order power spectral densities. The novel combination of these features results in a practically invisible and undetectable transmission waveform. Many other features are disclosed herein to optimize this combination.

Abstract: A method and system for minimizing the control overhead in a multi-carrier wireless communication network that utilizes a time-frequency resource is disclosed. In some embodiments, one or more zones in the time-frequency resource are designated for particular applications, such as a zone dedicated for voice-over-IP (VoIP) applications. By grouping applications of a similar type together within a zone, a reduction in the number of bits necessary for mapping a packet stream to a portion of the time-frequency resource can be achieved. In some embodiments, modular coding schemes associated with the packet streams may be selected that further reduce the amount of necessary control information. In some embodiments, packets may be classified for transmission in accordance with application type, QoS parameters, and other properties. In some embodiments, improved control messages may be constructed to facilitate the control process and minimize associated overhead.

Abstract: Apparatuses and methods for frequency selective uplink precoding are provided. The method includes receiving configuration information about resource allocation for an uplink transmission, the configuration information indicating: allocated resources for uplink transmission, and uplink precoding information for G antenna port groups for the uplink transmission on the allocated resources, wherein the uplink precoding information indicates: SD basis vectors, FD basis vectors, coefficients for (SD, FD) basis vector pairs, and two components for the coefficients across the G antenna port groups; based on the uplink precoding information, applying uplink precoding for the G antenna port groups; and performing uplink transmission on the allocated resources according to the configuration information.

Abstract: Wireless communications for selecting an uplink carrier for a random access procedure are described. A base station may configure a wireless device with one or more uplink carriers associated with a downlink carrier of a cell. The one or more uplink carriers may comprise at least a normal uplink (NUL) carrier and a supplemental uplink (SUL) carrier. The wireless device may measure one or more downlink reference signals and channel occupancy level(s) of an NUL and/or an SUL. The wireless device may select one of an NUL or an SUL for a random access procedure, for example, based on a signal strength of the one or more downlink reference signals and/or the channel occupancy level(s).

Abstract: Systems and methods implementing prioritization of network resources in an aeronautical satellite network system, which determines network utilization of a beam of the aeronautical satellite system by a plurality of aircraft using network capacity of the beam, where network demand in the beam indicated by the network utilization is greater than capacity of the beam, share network bandwidth of the beam to the plurality of aircraft based on a service priority factor, where the service priority factor may depend on altitude of the plurality of aircraft in the beam.

Abstract: Systems and methods are described for automated detection of border conflicts in physical radiofrequency (RF) communication network infrastructures. For example, proposed sector antennas in a greenfield physical network deployment may be licensed to radiate in certain spectrum blocks in the mapped licensed geographic regions (mLGR) where they are located, but the licenses may not permit radiated power in those spectrum blocks to cross into adjacent mLGRs. Embodiments compute radiation contours for the sector antennas indicating estimated local power levels computed based on antenna characteristics of the sector antennas and propagation model data that defines geographic morphologies for the mLGRs. The radiation contours are analyzed to detect any border conflict conditions where the estimated local power levels exceed defined threshold radiation levels in unlicensed regions. A culprit set of the sector antennas can be output to indicate those responsible for detected border conflict conditions.

Abstract: A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a feedback error configuration indicating an error threshold associated with a feedback error type of a set of feedback error types, and a time window for feedback error detection per frequency band combination. The UE may detect one or multiple feedback errors for the feedback error type within the time window, and determine that a number of the one or multiple feedback errors for the feedback error type exceeds the error threshold. The UE may transmit a feedback error indication based on the determination that the number of the detected one or multiple feedback errors exceeds the error threshold. The feedback error indication may include an indication of the one or multiple feedback errors and the feedback error type associated with the one or multiple feedback errors.

Abstract: In some examples, in response to determining that a new communication channel is required, a wireless device retrieves information provided from a network node of availability of alternative communication channels for the wireless device. In response to retrieving information that a second communication channel is available for a location within which the wireless device is located, the wireless device removes wireless device specific information and initiates a request to connect to the second communication channel, where the second communication channel is in a frequency range different from a frequency range of the first communication channel.

Abstract: A method includes receiving, by a mobile device, a notification, executing, in response to receiving the notification, a data collection application over a time interval, and requesting, by the data collection application, sensor measurements from an operating system of the mobile device. The sensor measurements are collected prior to receiving the notification and before execution of the data collection application. The method also includes receiving, by the data collection application and from the operating system, a set of sensor measurements and transmitting, by the data collection application, the sensor measurements to a server during the time interval. The data collection application terminates upon expiration of the time interval.

Abstract: The present disclosure relates to delay measurement methods and apparatus. In one example method, a first communications device receives a data unit from a second communications device, where the data unit includes time information, the time information is used to indicate a first moment at which the second communications device sends the data unit, and the time information indicates the first moment based on a part of bits of a frame number. The first communications device determines a delay from the second communications device to the first communications device based on the first moment and a second moment, where the second moment is a moment at which the first communications device receives the data unit.

Abstract: Techniques are disclosed for an adaptive and causal random linear network coding (AC-RLNC) with forward error correction (FEC) for a communication channel with delayed feedback. An example methodology implementing the techniques includes transmitting one or more coded packets in a communication channel, determining a channel behavior of the channel, and adaptively adjusting a transmission of a subsequent coded packet in the first channel based on the determined channel behavior. The communication channel may be a point-to-point communication channel between a sender and a receiver. The channel behavior may be determined based on feedback acknowledgements provided by the receiver. The subsequent coded packet may be a random linear combination of one or more information packets.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may schedule a mini-slot for transmission of unicast data to a particular user equipment. The mini-slot may be scheduled in a portion of a downlink common burst portion of a slot. The apparatus may transmit a signal, including the unicast data, within the mini-slot.

Abstract: A wireless access point (WAP) supports one or more physical layer (PHY) operational parameters which can be restricted from use to lessen congestion within a wireless network (WN). The WAP periodically transmits a management frame to enable one or more communication devices to establish and/or maintain communication with the WAP. The wireless network can restrict one or more of the one or more PHY operational parameters, such as PHY data rates to provide an example, that are supported by the WAP from being utilized for communicating the management frame. This restriction of the one or more PHY operational parameters allows the WAP to periodically transmit the management frame at an increased PHY data rate thereby decreasing time needed for communicating the management frame which can lessen the congestion within the WN.

Abstract: In one aspect, an apparatus comprises a transmit path including a power amplifier to receive, process and output a transmit radio frequency (RF) signal the transmit path comprising a power amplifier. A detection circuit coupled to the transmit path may be configured to: detect, during a first portion of a packet of the transmit RF signal, a level of the transmit RF signal at an input to the power amplifier; and detect, during a second portion of the packet of the transmit RF signal the level of the transmit RF signal at an output of the power amplifier. Based at least in part on the detected level at at least one of the power amplifier input or output, a level of at least one component of the transmit path upstream to the power amplifier is to be updated, to control a transmit power variation of the transmit RF signal.

Abstract: Techniques for signaling varied modulation and coding schemes for wireless communication are discussed. A method of wireless communication may comprise receiving, by a user equipment (UE), an indication to apply a modulation order cap to determine a first modulation and coding scheme for transmission of uplink control information different from a second modulation and coding scheme for transmission of data. The method may further comprise transmitting the uplink control information using the first modulation and coding scheme, wherein the first modulation and coding scheme is determined based, at least in part, on the received indication to apply the modulation order cap.

Abstract: In a wireless access network, a false base station (FBS) may imitate a legitimate base station by repeating the transmissions of the legitimate base station at a higher power level such that one or more user equipment (UEs) synchronize with the FBS instead of the legitimate base station. The present disclosure provides a UE that detects an FBS. The UE may estimate a time of arrival of different multipath components of a downlink signal corresponding to a physical cell identity. The UE may determine an existence of FBS based on a difference between the times of arrival of two of the different multipath components exceeding a threshold amount of time. The UE may perform a mitigation operation in response to determining the existence of the FBS.

Abstract: Embodiments of this application relate to the communications field, and provide a data transmission control method. The method includes: obtaining, by the first communications apparatus, radio frequency signals; processing, by the first communications apparatus, at least two parts of signals in the radio frequency signals in at least two functional split manners, to generate at least two parts of transmission signals, where each part of signals in the radio frequency signals is processed in one functional split manner, and different parts of signals in the radio frequency signals are processed in different functional split manners; and sending, by the first communications apparatus, the at least two parts of transmission signals to the second communications apparatus.

Abstract: A wireless communication system comprises: a setting notifying means for notifying, to a radio terminal, setting information related to at least one of the radio terminal's collection of measurement information and the radio terminal's reporting of the measurement information to a radio network; a status notifying means for notifying, to the radio network, a status related to at least one of the radio terminal's collection of the measurement information and the radio terminal's reporting of the measurement information; and a re-establishing means for receiving the status and determining whether to re-establish the setting information.