Samsung Electronics Co., Ltd.

Fujitsu Corporation

Fujitsu Connected Technologies Limited

Mythri Hunukumbure

Yinan Qi

Hyunil Yoo

Hyungju Nam

Hyun Il Yoo

Hyung Ju Nam

Michael John Beems Hart

Kevin Power

Soenghun Kim

Jaehyuk Jang

Timothy J Moulsley

Milos Tesanovic

Yanling Lu

Sunil Keshavji Vadgama

Mehrdad Shariat

David Gutierrez Estevez

Hui Xiao

Rajni Agarwal

Luciano Sarperi

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Specifically, the disclosure relates to a method of conducting localisation based on ProSe for a set of UEs in a 5G network comprising the set of UEs, an AMF, LMF, and a ProSe AS by initiating a 5G ProSe direct communication between UEs of the set of UEs and a reference UE, to relay location information from a remote UE, included in the set of UEs, via the reference UE and a 5G core, 5GC, entity for example the LMF. The method includes registering, by the set of UEs, ProSe capabilities thereof with the AMF, wherein the role of the reference UE is fulfilled by a PRU. Further, the method includes starting, by the LMF, localisation procedures.

Method and apparatus for improvements in and relating to localisation in a wireless communication system

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Disclosed is a method of operating a base station in a non-terrestrial network telecommunication system, comprising the steps of: the base station detecting a block fading condition in a communication channel; the base station determining an average spectral efficiency value and reporting this to a user equipment in communication with the base station; and the base station allocating a modulation and coding scheme and activating a pre-emptive HARQ operation wherein the pre-emptive HARQ operation comprises the steps of: the base station determining an average fade duration; and sending multiple copies of a given data packet separated by a time at least equal to the average fade duration, with an MCS level matching a signal level associated with a non-fading condition of the communication channel.

Method and apparatus for improving HARQ in a non-terrestrial network

A method, performed by a base station, for locating a User Equipment (UE), in a wireless communication, is provided. The method may comprise receiving, from a Location Management Function (LMF) or the UE, a positioning request for the UE; identifying whether dynamic TDD (D-TDD) is currently implemented; and when the D-TDD is currently implemented, configuring a resource set configuration of a Position Reference Signal (PRS) and a Sounding Reference Signal (SRS) to align with slot configuration information of the D-TDD, wherein the resource set configuration of the PRS and the SRS comprises at least one of a periodicity, a slot offset and a repetition factor of the PRS and the SRS.

Method and apparatus for positioning enhancements in a wireless communication system

The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term Evolution (LTE). Disclosed is a method of defining a resource block or resource element offset for mapping PTRS to a symbol, wherein the offset is determined based on an identifier of a particular user equipment, UE.

Method and apparatus for configuring and signaling PTRS in a telecommunication system

A method of a first base station in a wireless communication system is provided. The method may include: determining a parameter associated with repeated transmissions of a Sounding Reference Signal (SRS) based on a first sub-carrier spacing and one or more second sub-carrier spacings for the first base station and one or more second base stations, respectively; transmitting the determined parameter associated with the repeated transmissions of the SRS to a terminal; and performing positioning of the terminal based on the SRS transmitted repeatedly from the terminal.

Apparatus and method for positioning in wireless communication system

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method of a first base station for supporting a handover procedure, the method comprising determining to perform a handover of a user equipment, UE, to a second base station; determining whether Hybrid automatic repeat request, HARQ, is to be used after the handover is completed; and based on determining that HARQ is to be used, notifying the UE that HARQ is to be used after the handover is completed and notifying the second base station that HARQ is to be used after the handover is completed.

Methods, apparatus, and systems for supporting a handover

Disclosed is a method of configuring a Positioning Reference Signal, PRS, in each of a plurality of cells in a telecommunication network. The method of a serving base station (BS) may include transmitting a second positioning reference signal (PRS) to a user equipment (UE); receiving, from the UE, a request to request a neighbor BS to configure a first PRS to occupy (1/μ)of slot duration of a Sub Carrier Spacing (SCS) of the neighbor BS; and transmitting the request to the neighbor BS, wherein the neighbor BS having a lower (SCS) than an SCS of the serving BS, and wherein μ is the ratio of the SCS of the serving BS to the SCS of the neighbor BS.

Method and apparatus for positioning reference signal configuration in a wireless communication system

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Disclosed is a method of defining a resource block or resource element offset for mapping PTRS to a symbol, wherein the offset is determined based on an identifier of a particular user equipment, UE.

Method and apparatus for configuring and signalling PTRS in a telecommunication system

Provided are methods and apparatuses for performing a random access of a terminal in a wireless communication system. A method, performed by a terminal, of performing a random access, according to an embodiment, includes receiving preamble configuration information from a base station, obtaining a RACH (random access channel) preamble scaled in length in proportion to a difference between an expected minimum distance and an expected maximum distance to the base station from opposed edges of a cell served by the base station, based on the preamble configuration information and transmitting the obtained RACH preamble to the base station to access a NTN (non-terrestrial network).

Method and apparatus for performing random access in wireless communication system

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure 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. Described is a method of operating a mobile terminal in a wireless communications network, the mobile terminal being arranged to communicate with a base station, the method comprising: one or more of: determining a cause of the Random Access procedure initiation following initiation of a Random Access procedure; and determining one or more transmission priority factors indicating an operating parameter of the network; and based on one or more of the determined cause of Random Access procedure initiation and the determined one or more transmission priority factors, performing one of: prioritising Random Access signal transmission over signal transmission on the uplink shared channel; prioritising signal transmission on the uplink shared channel over Random Access signal transmission; or making no change to the existing signal transmission protocol. Also described is a method of operating a base station in in a wireless communications network, the base station being arranged to communicate with a mobile terminal, the method comprising determining a prioritisation action for the mobile terminal to perform based on one or more of a determined indication and a received indication from the mobile terminal. Also described is a method and apparatus for signalling for group handover or cell re-selection in non-terrestrial networks.

Handling collisions in wireless networks

A first relay node in a wireless communication system receives, from a second relay node via a backhaul link, coordination information including an index indicating a density pattern of a second phase tracking reference signal (PTRS). The first relay node transmits, to a terminal, configuration information including information on a first subcarrier offset for a first PTRS. The first relay node transmits to the terminal the first PTRS based on the coordination information and the information on the first subcarrier offset. The first subcarrier offset for the first PTRS is different from a second subcarrier offset for the second PTRS.

Method and apparatus for improving in and relating to integrated access and backhaul and non terrestrial networks

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). Described is a method for providing a Phase Tracking Reference Signal (PTRS) in a wireless communication system comprising at least a first base station and a second base station, and a mobile device. The first and second base stations cooperate to jointly support the mobile device. The method comprises identifying at least two mutually exclusive sets of frequency resources. The method further comprises mapping, by the first base station, at least a portion of PTRS information of the first base station to a first set of the frequency resources, mapping, by the first base station, a zero-power PTRS to a second set of the frequency resources, or leaving, by the first base station, the second set of frequency resources empty, and transmitting, by the first base station, a signal comprising the PTRS information of the first base station according to the frequency resource mapping. The method further comprises mapping, by the second base station, at least a portion of PTRS information of the second base station to the second set of the frequency resources, mapping, by the second base station, a zero-power PTRS to the first set of the frequency resources, or leaving, by the second base station, the first set of frequency resources empty, and transmitting, by the second base station, a signal comprising the PTRS information of the second base station according to the frequency resource mapping.

Method and apparatus for phase tracking reference signal in a wireless communication system

Provided is a method and apparatus for providing information related to density of a PT-RS in a wireless communication system. The operation method of a base station may include: configuring a phase tracking reference signal (PT-RS) corresponding to a terminal; and transmitting time and frequency density information of the PT-RS to the terminal, and the time and frequency density information of the PT-RS is configured based on threshold values of time and frequency density of the PT-RS which are compressed based on at least one of a uniform sampling grid scheme, a non-uniform sampling grid scheme, a combinational indexing scheme, or a scheme of imposing a limit on a threshold value. Other embodiments may be possible.

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Staines, United Kingdom

Mythri Hunukumbure