Abstract: The present disclosure relates to methods and apparatuses timing advance adjustment. According to some embodiments of the disclosure, a method includes: receiving a timing advance command; determining a timing advance adjustment gap based on the received timing advance command, wherein the timing advance adjustment gap is k symbols, and k is a nature number larger than one; applying the corresponding adjustment of uplink transmission timing from k symbols later than the end of the physical channel carrying the timing advance command.

Abstract: Apparatuses, methods, and systems are disclosed for encoding reference signal received powers. One apparatus (200) includes a processor (202) that: determines (402) a reference signal received power corresponding to each beam of multiple beams to result in a set of determined reference signal received powers; orders (406) the set of determined reference signal received powers in descending order to result in an ordered list of reference signal received powers; and encodes (408) a difference between each two adjacent reference signal received powers of the ordered list of reference signal received powers to result in an encoded ordered list of reference signal received powers.

Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: in response to detecting that a channel becomes available, determining a target position from at least one potential position predefined in a subframe; and performing the fractional subframe transmission from the target position.

Abstract: Apparatuses, methods, and systems are disclosed for determining a transmission scheme. One method (400) includes receiving (402) data at a buffer at a first time. The method (400) also includes determining (404) a transmission scheme for transmitting the data based on whether a second time corresponding to a scheduling request resource or a third time corresponding to a grant-free resource is closer in time to the first time. The method (400) includes transmitting (406) the data using the transmission scheme.

Abstract: Apparatuses, methods, and systems are disclosed for transmitting and/or receiving an indication for a transmission scheme. One method (400) includes determining (402) a transmission scheme for transmitting a first channel. The method (400) includes transmitting (404) an indication of the transmission scheme to a base unit. The indication is based on the transmission scheme.

Abstract: Embodiments of the present invention provide method and devices for signaling transmission in unlicensed band. The method comprising determining a signal transmission pattern, which defines time and frequency resources for transmitting at least one signal in a first frequency band; signaling, via a second frequency band, the signal transmission pattern to a first device; and transmitting the at least one signal via the first frequency band, to the first device, according to the signal transmission pattern; wherein a transmission of one of the at least one signal is skipped if time and frequency resource for the transmission defined by the signal transmission pattern is detected as busy. Corresponding methods and devices for receiving a signal which is transmitted using above method are also disclosed.

Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: in response to detecting that a channel becomes available, determining a target position from at least one potential position predefined in a subframe; and performing the fractional subframe transmission from the target position.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses of numerology multiplexing at a serving node and a terminal device in a wireless communication system. The method of numerology multiplexing comprises transmitting information about at least two numerologies in common downlink transmission resource, and multiplexing the at least two numerologies in a same frequency band based on the information about the at least two numerologies. With embodiments of the present disclosure, it is possible to enable the different numerologies to be multiplexed in the same band.

Abstract: The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method includes categorizing a number of synchronization signal (SS) blocks into M groups, each group having N SS blocks, wherein M and N are integers and assigning a power level for P transmitted group (s), wherein P is an integer and 1<=P<=M. The SS blocks in each of the P transmitted groups are transmitted in a same assigned power level.

Abstract: Apparatuses, methods, and systems are disclosed for determining an association between DMRS and PTRS. One apparatus (200) includes a processor (202) that: determines (1402) a scheduled physical resource block position and bandwidth; and determines (1404), based on the scheduled physical resource block position and bandwidth, an associated demodulation reference signal port index within the physical resource block for a phase tracking reference signal.

Abstract: A method for performing transmission between a base station and a terminal device according to a frame structure over an unlicensed spectrum in a wireless network that supports communications over a licensed spectrum and the unlicensed spectrum. The frame structure includes a first set of time resources and at least a first number of consecutive downlink subframes. The method includes determining, during the first set of time resources, availability of an unlicensed carrier in the unlicensed spectrum and reserving a subset in the first set of time resources on the unlicensed carrier upon the unlicensed carrier being determined to be available. The method also includes performing downlink transmission from the base station to the terminal device at least partially within the first number of consecutive downlink subframes on at least the unlicensed carrier in response to a duration of the reserved subset of time resources expiring.

Abstract: Apparatuses, methods, and systems are disclosed for synchronization signal block reception and synchronization signal block transmission. One apparatus (200) for synchronization signal block reception includes a receiver (212) that receives (402) multiple synchronization signal blocks. The multiple synchronization signal blocks have different power levels corresponding to at least two synchronization signal blocks of the multiple synchronization signal blocks.

Abstract: The present disclosure is related to a method and apparatus for DMRS transmission. According an embodiment of the disclosure, a method including determining at least one antenna port for a user equipment (UE); determining a demodulation reference signal (DMRS) resource for each of the at least one antenna port respectively; determining the number of symbols for carrying the determined DMRS resource in time domain; and indicating the determined DMRS resource of each of the at least one antenna port to the UE. Embodiments of the disclosure solve the technical problem of indicating DMRS resource and determining symbol/subcarriers for carrying the DMRS resource during DMRS transmission.

Abstract: Embodiments of the present disclosure relate to methods and apparatuses for downlink control information (DCI) transmission and receiving in a wireless communication system. A DCI configuration parameter can be first transmitted to a terminal device; and then DCI is transmitted to the terminal device, wherein the DCI configuration parameter indicates time-frequency resources for the DCI. With embodiments of the present disclosure, the UE could perform a flexible DCI monitoring according to the DCI configuration parameter and thus it may support the DCI monitoring occasion change due to numerology and scheduling unit size.

Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: determining first temporal information that indicates when a channel becomes available; and determining, based on the first temporal information and transmission opportunity information, second temporal information that indicates an end of the fractional subframe transmission.

Abstract: Embodiments of the disclosure provide a method and device for allocating resource in a wireless communication system. The method comprises: determining a set of user equipment (UEs) requesting for resource allocation based on resource available in the wireless communication system and a resource use requirement; allocating the resource to the set of UEs according to the resource use requirement; and sending information about the allocated resource to each UE in the set of UEs.

Abstract: Apparatuses, methods, and systems are disclosed for demodulation reference signal configuration. One apparatus (200) includes a processor (202) that determines (402) a remaining minimum system information channel demodulation reference signal configuration. The apparatus (200) includes a receiver (212) that receives (404) the demodulation reference signal based on the demodulation reference signal configuration.

Abstract: Apparatuses, methods, and systems are disclosed for demodulation reference signal configuration. One apparatus (200) includes a receiver (212) configured to receive (502) a demodulation reference signal configuration for a physical downlink shared channel. The apparatus (200) also includes the receiver (212) configured to receive (504) a demodulation reference signal based on the demodulation reference signal configuration.

Abstract: Embodiments of the disclosure provide a method and device for allocating resource in a wireless communication system. The method comprises: determining a set of user equipment (UEs) requesting for resource allocation based on resource available in the wireless communication system and a resource use requirement; allocating the resource to the set of UEs according to the resource use requirement; and sending information about the allocated resource to each UE in the set of UEs.

Abstract: Embodiments of the disclosure provide a method and apparatus for performing fractional subframe transmission. The method may comprise: determining first temporal information that indicates when a channel becomes available; and determining, based on the first temporal information and transmission opportunity information, second temporal information that indicates an end of the fractional subframe transmission.