Abstract: The present disclosure relates to channel state measurement methods and apparatus. One example method includes selecting, by a network device from N channel state information reference signal (CSI-RS) resources, a target CSI-RS resource and a target channel state information-interference measurement (CSI-IM) resource group associated with the target CSI-RS resource, where an ith CSI-RS resource in the N CSI-RS resources is associated with ni CSI-IM resource groups, and a kth CSI-IM resource group in the ni CSI-IM resource groups includes xik CSI-RS resources in the N CSI-RS resources except the ith CSI-RS resource, and sending, by the network device, first indication information by using first signaling, where the first indication information indicates the target CSI-RS resource and the target CSI-IM resource group.

Abstract: Embodiments of the present disclosure relate to a communication system to generate a waveform by multiplexing multiple user data. The system comprises at least one transceiver, a multiplexer and a processor. The at least one transceiver configured to perform at least one of receiving a plurality of data from a transmitter, and transmitting a generated waveform to a destination. The multiplexer configured to multiplex a plurality of data associated with a plurality of users, to generate multiplexed data. The processor is configured to perform a rotation operation on the multiplexed data to produce a rotated data. Also, the processor is configured to transform the rotated data using Fourier transform to produce transformed data. Further, the processor is configured to map the transformed data using a predefined number of subcarriers to produce a mapped data sequence and thereafter, process the mapped data sequence to generate the waveform.

Abstract: Methods, systems, and devices for wireless communication are described. A first wireless device may receive a clear to send signal based precoded based at least in part on a receive filter at a second wireless device. The first wireless device may calculate a transmit precoder based at least in part on the clear to send signal. For example, the first wireless device may calculate a whitening filter and a second filter based at least in part on the clear to send signal. The first wireless device may transmit a request to send signal precoded by the transmit precoder to initiate communications with a third wireless device without significantly interfering with ongoing communications at the second wireless device.

Abstract: A measurement resource indication method applied to a communication system supporting various signal measurements includes: receiving, by a user device, first measurement resource indication information from a network device, the first measurement resource indication information being used for indicating that a first signal measurement reuses part or all of measurement resources of a second signal measurement; wherein the second signal measurement is a signal measurement configured with the measurement resources, and the first signal measurement is a signal measurement not configured with any measurement resource.

Abstract: Apparatuses, methods, and systems are disclosed for determining mobile network policy freshness. One method (700) includes accessing (702) a first policy associated with a first mobile network, a first policy identifier, and a freshness parameter. The method (700) includes determining (704), based on the freshness parameter, whether the first policy is fresh. The method (700) includes transmitting (706) a registration message to a second mobile network. The registration message includes the first policy identifier in response to determining that the first policy is not fresh.

Abstract: The present disclosure provides a resource mapping and transmission method and a corresponding base station and user equipment. The method comprises: generating radio frames for NB-IoT TDD, and in the radio frames for NB-IoT TDD, mapping a Narrowband Primary Synchronization Signal “NPSS,” a Narrowband Secondary Synchronization Signal “NSSS,” a Narrowband Physical Broadcast Channel “NPBCH,” and a Narrowband System Information Block Type 1 “SIB1-NB” to subframes selected from subframes 0, 4, 5, and 9 of the radio frames, wherein the NPSS, the NSSS, the NPBCH, and the SIB1-NB are respectively mapped into different subframes and are not respectively mapped into the subframes 5, 9, 0, and 4; and transmitting the generated radio frames. According to embodiments of the present invention, user equipment supporting NB-IoT TDD can exit a search for an NB-IoT TDD cell as early as possible.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive configuration information identifying respective rate matching resources of at least two groups and respective transmission configuration indication (TCI) states for the at least two groups. The user equipment may rate match a shared channel transmitted by one or more transmitters based at least in part on the respective rate matching resources and the respective TCI states. Numerous other aspects are provided.

Abstract: A method for managing a radio link in an unlicensed band is provided. An apparatus attempts to receive a discovery reference signal (DRS) in a serving cell that is operated in the unlicensed band. The apparatus determines that a radio link to the serving cell has failed if the DRS is not received for a predetermined time.

Abstract: The present invention provides a wireless communication method, a communication device, and a device having a storage function. The wireless communication method in the embodiment of the present invention comprises: a first device waking up with a predetermined wake-up interval, and receiving data packets from a second device; determining a time interval between two consecutive data packets received; determining whether the time interval is higher than the wake-up interval of the first device; and if the time interval is higher than the wake-up interval, the first device increasing the wake-up interval. In this way, the present invention can reduce the communication power consumption of the wireless device.

Abstract: The present disclosure relates to an information indication method and apparatus, a method and an apparatus for determining a CORESET of RMSI, a base station, user equipment and a computer-readable storage medium. The method includes: configuring, for a CORESET of RMSI corresponding to an SSB, indication information indicating that the base station has not transmitted the CORESET of the RMSI in a current transmission cycle of the SSB; adding the indication information to the SSB; and transmitting the SSB carrying the indication information to user equipment UE in a beam scanning manner.

Abstract: Embodiments are directed to a process and system for avoiding temporary traffic loss in a network having first and second computers and provider edge devices, by retaining, in each provider edge device, path information including a MAC address for the first host computer in a control plane as a dynamic address, and maintaining, in each provider edge device, its own routing table listing network addresses of the other provider edge devices as multi-homed peers. A failure recovery process in each provider edge devices advertises all multi-homed peer network addresses as addresses that each respective provider edge device has dynamically learnt in the control plane such that when a provider edge device receives a route with a locally connected host, it re-advertises the host address on its own.

Abstract: In an embodiment, a computer-implemented method for using virtual tunnel interface teaming to achieve load balance and redundancy in virtual private networks (“VPNs”) is disclosed. In an embodiment, a method comprises: receiving, by a gateway, configuration data from a control plane; based on the configuration data, configuring on the gateway a bonded virtual tunnel interface (“bonded VTI”) having a plurality of slave virtual tunnel interfaces (“slave VTIs”); configuring a plurality of VPN tunnels between the plurality of slave VTIs configured on the gateway and a plurality of slave VTIs configured on a remote gateway; configuring an IPsec VPN tunnel between the bonded VTI configured on the gateway and a corresponding bonded VTI configured on the remote gateway; logically combining the plurality of VPN tunnels into the IPsec VPN tunnel; and enabling communications of IPsec VPN traffic via the IPsec VPN tunnel.

Abstract: Embodiments disclosed herein include systems and methods for locating all synchronization signal blocks on a 5G new radio channel. Such systems and methods can include measuring downlink signal energy over a bandwidth of the 5G new radio channel to identify a center frequency of a signal broadcast on the 5G new radio channel, processing the signal at the center frequency of the signal to identify a first of a plurality of synchronization signal blocks and global OFDM symbol boundaries for the wireless radio channel, and using the global OFDM symbol boundaries for all raster frequencies of the 5G new radio channel to identify remaining ones of the plurality of synchronization signal blocks.

Abstract: Systems, apparatuses, and methods for computing transport block size (TBS) for channels with shortened transmission time interval (sTTI). An initial size may be determined based on one or more TBS tables. The initial size may be scaled by a factor associated with an sTTI channel. A TBS table is selected based on the one or more TBS tables. The scaled size may be rounded based on the selected TBS table to generate a TBS for the sTTI channel.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting a beam recovery request. One apparatus (200) includes a receiver (212) that receives (402) information indicating a resource configured for a beam recovery request. The apparatus (200) includes a transmitter (210) that transmits (404) the beam recovery request on the resource in response to a first trigger condition.

Abstract: An operating method of a terminal performing a cell search using first and second memories for buffering input samples includes detecting a first primary synchronization signal (PSS) group from a first input sample group while buffering the first input sample group in the first memory in a first interval. While buffering a second input sample group in the second memory in a second interval following the first interval, the method detects a second PSS group from the second input sample group, and a first secondary synchronization signal (SSS) group corresponding to the first PSS group from the first input sample group. While buffering a third input sample group in the first memory in a third interval following the second interval, the method detects a third PSS group from the third input sample group, and a second SSS group corresponding to the second PSS group from the second input sample group.

Abstract: The embodiments of the present disclosure disclose a method for determining a parameter of a reference signal, a method for transmitting a parameter of a reference signal, a terminal device and a base station. The determination method includes: obtaining a parameter of a first type of reference signal by a first signaling; and determining a parameter of a second type of reference signal according to the obtained parameter of the first type of reference signal, and the first type of reference signal and/or the second type of reference signal include at least one of: reference signal for data demodulation, reference signal for phase noise compensation, reference signal for Doppler shift compensation, or extended reference signal for data demodulation.

Abstract: A system described herein may provide a technique for the discovery and connection of Mesh Distributed Units (“MDUs”), which may establish a mesh topology and perform wireless backhaul of data between a core network and a User Equipment (“UE”). Multiple MDUs in an MDU network may be connected to establish an MDU route. One or more connected MDUs may broadcast an indication that the MDU is available to connect, one or more performance metrics, or an MDU performance score based on performance metrics. This broadcast may iteratively repeat in order to refine the mesh network topology in an ongoing process.

Abstract: Certain aspects of the disclosure are directed to correlating communication data between a plurality of communication service providers, via a data communications server. According to a specific example, the data communications server receives a selection of a communications service provider to interface with the data communications server. In response to detecting an event associated with a first user of the data communications server, the data communications server identifies a second user associated with the event and a type of interaction for the event. The data communications server provides instructions to the selected communications service provider to retrieve data correlated with the second user, and displays the correlated data received from the server of the communications service provider on a device accessible by the first user.

Abstract: There is provided mechanisms for device-specific beam management of a wireless device in a communications system having a system bandwidth. A method is performed by a network node. The method comprises estimating frequency scheduling of the wireless device. The frequency scheduling is to be used for data communications with the wireless device. The method comprises determining which frequency resources to use for transmission of reference signals to the wireless device. The frequency resources match the estimated frequency scheduling and span less than the entire system bandwidth. The method comprises transmitting the reference signals in the determined frequency resources as part of device-specific beam management of the wireless device.