Alcatel Lucent

Nokia Technologies Oy

Nokia Solutions and Networks Oy

Jianguo Liu

Tao Tao

Gang Shen

Yan Meng

Zhe Luo

Jun Wang

Junrong Gu

Qi Jiang

Feng Han

Zhuo Wu

Sigen Ye

Zheng Liu

Timo Erkki Lunttila

Vinh Van Phan

Frank Frederiksen

Ling Yu

Matthew Baker

Yong Liu

Nuno Manuel Kiilerich Pratas

Ryan Keating

Jiyong Pang

Torsten Wildschek

Dongyao Wang

Renato Barbosa Abreu

Naizheng Zheng

Laura Luque Sanchez

Dawei Wang

Zhilan Xiong

A method and an apparatus for a second user equipment, that causes the apparatus to perform: determining whether a synchronization signal has been received during a first set of synchronization resources; and when it is determined the synchronization signal was received, determining that the apparatus is allowed to use communication resources during a second set of synchronization resources for a first sidelink communication; and when it is determined the synchronization was not received, abstaining from using the communication resources during the second set of synchronization resources for a first sidelink communication; and monitoring the second set of synchronization resources for a synchronization signal.

Apparatus and method

A method comprises configuring, by a base station, a device with a first mode of performing random access procedure. The method includes configuring the device with a second mode of performing random access procedure. The device is configured to access either the first mode of performing random access procedure or the second mode of performing random access procedure. The method also includes configuring an availability of the second mode of performing random access procedure.

Base station configured hybrid random access procedure

A method for a base station includes sending a request for a report on beamforming capability to a target user equipment; receiving the report on the beamforming capability from the target user equipment; allocating at least one positioning reference signal resource for use by the target user equipment based on at least the capability information included in the report; determining a beam sweeping mle based on the at least one positioning reference signal resource allocated for the target user equipment; and sending the positioning reference signal resource allocation and the beam sweeping mle to the target user equipment. A corresponding method for a user equipment includes receiving a request for a report on beamforming capability from a serving base station; sending the report on the beamforming capability to the serving base station; receiving information relating to at least one positioning reference signal resource and a beam sweeping rule from the serving base station; and performing beam sweeping on uplink positioning reference signal transmissions using the received positioning reference signal resource allocation based on the beam sweeping rule.

Beam sweeping on reference signal transmission for UL positioning

Embodiments of the present disclosure provide apparatus, methods and computer readable storage mediums for configuring resources for positioning reference signals. In one aspect, the apparatus determines a second set of resource configuration for positioning reference signal (PRS) mapping to resource elements in the second set, which is an extension of the first set of resource configuration for PRS mapping with additional resource elements. In another aspect, another apparatus determines configurations of at least one of the first set and the second set, to configure PRS transmission according to the first set or the second set.

Method and apparatus for resource configuration for positioning reference signals

Methods and apparatus for transmitting positioning measurement report are provided. The method includes a step of receiving a location information request from a serving base station or from a location server, a step of determining timing for transmitting a positioning measurement report, a step of generating a report assisted message based on the determined timing for transmitting the positioning measurement report, and a step of transmitting the report assisted message to the serving base station. The key idea of this disclosure is requesting UL resources for positioning measurement report in advance by transmitting a report assisted message. Consequently, the UE can transmit the positioning measurement report just after the measurement data being generated. The disclosure can minimize the delay from positioning measurement data generation to the positioning measurement report.

Method and apparatus for transmitting positioning measurement report

Embodiments of the present disclosure disclose a method and apparatus for determining a channel sensing threshold in uplink channel detection of licensed-assisted access. The method comprises determining one or more parameters associated with the user equipment; and determining a channel sensing threshold for the user equipment based on at least one of the one or more parameters. The threshold determination method may realize suitable threshold determination, flexible channel access, and balance of channel access opportunity among a plurality of radio access points.

Method and apparatus for determining channel sensing threshold in uplink channel access

The method implemented at a network device includes dividing a wireless system bandwidth into a plurality of non-overlapping bandwidth ranges each including a plurality of operating channels available for channel bonding. The method also includes allocating one of the plurality of bandwidth ranges for a wireless communication between the network device and a terminal device served by the network device. The method further includes determining, from the plurality of operating channels for the bandwidth range, one operating channel as a primary channel of the wireless communication. Embodiments of the present disclosure also provide a corresponding network device, a method implemented at a terminal device and a corresponding terminal device, and a non-transitory computer-readable medium.

Method, apparatus, and computer readable medium for channel bonding

In accordance with example embodiments of the invention there is at least a method, device, and computer readable medium for determining a Timing Advance. A method includes, the network device determines an estimation of a timing advance and an error of the timing advance based on a random access preamble received from the terminal device, the network device determines different communication modes with different lengths of overheads for the terminal device based on the error, and the network device can update the estimation of the timing advance based on feedback information from the terminal device. In this way, accuracy of the estimation of the timing advancing is improved.

Methods, device and computer-readable medium for determining timing advance

Embodiments of the disclosure provide a method, device and computer readable medium for transmission scheme. According to embodiments of the present disclosure, the communication device may transmit an initial message to a further communication device via an antenna in an omnidirectional mode if the transmitting power can be achieved by the antenna in the omnidirectional mode. The communication device may transmit the initial message to the further communication device via the antenna in a directional mode if the transmitting power cannot be achieved by the antenna in the omnidirectional mode. In this way, latency for initializing the connection may be reduced and the successful connections are guaranteed at the same time.

Setting directional or non-directional antenna mode based on transmission power

Embodiments of the present disclosure provide a method and apparatus for transmitting uplink grant, the method comprising: transmitting the uplink grant by selecting a downlink subframe from a plurality of candidate downlink subframes each of the plurality of downlink subframes enabling scheduling of at least one user equipment to start transmitting burst data in a uplink subframe.

Method and apparatus for transmission of uplink grant

Embodiments of the present disclosure provide a method and apparatus of obtaining feedback of HARQ acknowledgment information. The method comprises allocating to UE an uplink control channel resource for report of HARQ acknowledgment information related to downlink data transmission on an unlicensed carrier. The method also comprises obtaining feedback of the HARQ acknowledgment information from the UE within a predefined deferral window. The predefined deferral window specifies a minimum delay and a maximum delay for report of the HARQ acknowledgment information. The embodiments of the present disclosure may increase the reliability and reduce the latency of HARQ acknowledgment information feedback. In addition, the embodiments of the present disclosure may not only be for LAA scenarios, but also may be extended to standalone LAA access scenarios on unlicensed carriers.

Method and apparatus of obtaining feedback of HARQ acknowledgment information

The present invention relates to a method and an apparatus for occupying an unlicensed band channel, thereby avoiding misjudgment of an occupied unlicensed band state. A method for occupying an unlicensed band channel includes: a user equipment receiving a power increase rate of a reference signal transmission unit of an unlicensed band channel determined by a secondary cell (Scell) base station; the user equipment receiving, in the unlicensed band channel, a sub-frame of reference signal transmission unit level power distribution sent by the Scell base station; the user equipment decoding the power increase rate; and the user equipment using the power increase rate to process the sub-frame.

Method and apparatus for occupying unlicensed band channel

Embodiments of the present disclosure relates to a communication device working on unlicensed frequency band and a method for executing the same. The method comprises: determining a mapping relationship between multiple quality of service (QoS) priority classes and multiple Listen-Before-Talk (LBT) priority classes, wherein the multiple QoS priority classes are in one-to-one correspondence with multiple QoS requirements; and transmitting radio traffic based on the mapping relationship. Embodiments of the present disclosure proposes the mapping relationship between LBT priority class and various QoS priority classes associated with different radio traffic types and presents signaling design and exchange related to the mapping relationship.

Communication device working on unlicensed frequency band and method performed by the same

The present invention relates to a method and an apparatus for implementing Listen-Before-Talk. According to an embodiment of the present invention, if the channel assessment does not stop at a boundary of the first symbol, the preamble comprises at least a first part, and if the channel assessment stops at the boundary of the first symbol, the preamble comprises a second part. And the first part is transmitted on a remaining portion of the first symbol until the end of the first symbol, and the second part is transmitted on at least one symbol following the first symbol. Besides, the data is transmitted to the receiving device in at least one symbol in the subframe in which the preamble transmission ends.

Method and apparatus for implementing listen-before-talk

Embodiments of the present invention disclose methods and devices for allocating and detecting downlink control channel resources. The method for allocating downlink control channel resources comprises: allocating a resource area for enhanced Physical Downlink Control Channel, ePDCCH, localized transmission in a UE-specific way; and allocating at most one ePDCCH candidate for the ePDCCH localized transmission in each resource allocation granularity within the resource area. According to the embodiments of the present invention, the ePDCCH candidates at each aggregation level are distributed to radio resources sparsely so that sufficient options can be provided for resource allocation.

Growing community of inventors

Shanghai, China

Jianguo Liu