Huawei Technologies Co., Limited

Sharp Kabushiki Kaisha Corporation

Yongming Liang

Renmao Liu

Ming Ding

Zeng Yang

Yingyu Zhang

Jiayin Zhang

Jian Li

Kunpeng Liu

Lei Huang

Peng Li

Wei Ni

Yi Bin Wang

Xiaotao Ren

Yi Luo

Yi Tong Wang

Mingyu Zhou

Waho Oh

Yi Wang

Isao Hirakawa

Chongguang Yan

Jiming Chen

A method of resource allocation for Channel State Information (CSI) feedback is provided, which comprises the following steps of: configuring a downlink transmission approach and a feedback mode for each User Equipment (UE); allocating feedback resources required for CSI feedback by each UE based on the configured downlink transmission approach and feedback mode, such that different types underlying different feedback modes for a single UE will not collide with each other within one sub-frame; and notifying each UE of the corresponding configured downlink transmission approach and feedback mode and allocated feedback resources. Further, a method of Channel State Information (CSI) feedback is provided, which comprises the following steps of: feeding downlink CSI back to a base station (BS) based on a downlink transmission approach and a feedback mode configured by the BS; and solving, when different types underlying different feedback modes collide with each other within one sub-frame, the collision based on a collision solution rule.

Method of resource allocation for channel state information feedback and method of channel state information feedback

A user equipment receives, from the base station apparatus, bit information. The bit information indicates first information indicating one or more antenna ports and second information indicating a number of layers for downlink data symbols.

Method of notifying resource allocation for demodulation reference signals

The present disclosure provides a method to provide signaling support in a hotspot area or a crowded occasion, so as to reduce costs of deploying, by the telecommunications operators, base stations and backhauls. A specific implementation method is: receiving, by a high frequency base station, measurement information sent by low and medium frequency base stations of multiple telecommunications operators or measurement reports sent by first user equipments of multiple telecommunications operators, where the high frequency base station works in a high frequency band, the low and medium frequency base stations work in a low and medium frequency band, and the first user equipments are served by the high frequency base station; allocating, by the high frequency base station, multiple component carriers comprised in high frequency resources to the low and medium frequency base stations according to the measurement information, to obtain an allocation result.

Method for allocating multiple component carriers, base station, and user equipment

The present invention relates to a base station, a small cell, and a method for scheduling a communications link resources. A first small cell reports load information and channel state information of a channel between the first small cell and a neighboring second small cell to a base station. The first small cell receives link pre-scheduling signaling from the base station. The link pre-scheduling signaling includes wireless resource occupation information that indicates an occupancy of a wireless resource of the first small cell by a backhaul link. The first small cell allocates a first wireless resource in available wireless resources to the backhaul link according to the channel state information and the wireless resource occupation information, and allocates a second wireless resource in the remaining available wireless resources to an access link used for data transmission between the first small cell and a user equipment device.

Base station, small cell, and method for scheduling communications link resource

The present disclosure discloses a method, an AP, a server, and an STA used for coordinated transmission. The method includes: an AP receives an uplink preamble training sequence transmitted by an STA; the AP determines uplink quality information according to the uplink preamble training sequence; and the AP transmits the uplink quality information to a server, to enable the server to determine a downlink coordinated transmission set according to the uplink quality information. The method, the AP, the server, and the STA used for coordinated transmission according to embodiments of the present disclosure can realize coordinated transmission among multiple APs, and thus data throughput can be improved.

Method, access point, server and station used for coordinated transmission

A communication method, apparatus, and system is described. The communication method includes sending, by a cellular base station, measurement indication information to a millimeter wave base station and a user equipment, acquiring, by the cellular base station, the measurement result, determining a to-be-accessed millimeter wave base station of the user equipment according to the measurement result, and sending, by the cellular base station, millimeter wave frequency band parameter configuration information of the to-be-accessed millimeter wave base station to the user equipment.

Communication method, apparatus, and system

The present disclosure provides a method and a device for eliminating inter-system neighbor cell interference. The method includes the following steps: receiving, by a first wireless access device, a first interference indication, where the first interference indication is sent by a first terminal when the first terminal detects that neighbor cell interference caused by a second terminal to the first terminal is greater than or equal to a preset threshold, the first interference indication is used for indicating that the first terminal suffers the neighbor cell interference; sending, by the first wireless access device, a decreasing interference indication to a second wireless access device corresponding to the second terminal when determining that the first terminal suffers the neighbor cell interference from the second terminal, so that the second wireless access device executes a decreasing interference strategy to eliminate neighbor cell interference between the first terminal and the second terminal.

Method and device for eliminating inter-system neighbor cell interference

Embodiments of the present invention disclose a communications system, including: a cellular base station, a millimeter wave base station, and user equipment, where the cellular base station includes a first cellular band transceiver; the millimeter wave base station includes a second cellular band transceiver and a millimeter wave band transmitter; and the user equipment includes a third cellular band transceiver and a millimeter wave band receiver, where the third cellular band transceiver is configured to receive control plane data information sent by the first cellular band transceiver or the second cellular band transceiver by using a cellular band, and the millimeter wave band receiver is configured to receive user plane data information sent by the millimeter wave band transmitter by using a millimeter wave band. The embodiments of the present invention may reduce a cost of the user equipment.

Communications system and method, and device in which a cellular network and millimeter wave-cellular communications coexist

A method, an eNodeB and a User Equipment for transmitting Random Access Response messages are provided. The method includes: receiving a random access preamble, wherein the random access preamble is transmitted by a user equipment on a random access channel; determining whether the user equipment belongs to a random access area central group or a random access area edge group according to the random access preamble; if the user equipment belongs to the random access area edge group, transmitting a first random access response (RAR) message to the user equipment, based on the random access preamble and a channel resource information.

Method, eNodeB and user equipment for transmitting random access response messages

A method includes: sending, by a user equipment (UE), uplink test signaling to transceivers for serving the UE, so that the transceivers calculate receive power of the uplink test signaling by testing the uplink test signaling; receiving, by the UE, the receive power of the uplink test signaling and transmit power of a common reference signal (CRS) from the transceivers; receiving and testing, by the UE, the CRS sent by the transceivers to obtain receive power of the CRS; calculating, by the UE, uplink path losses on paths between the UE and the transceivers according to the receive power of the uplink test signaling, the transmit power of the CRS, and the receive power of the CRS; calculating, by the UE, an aggregate path loss according to the uplink path losses on paths between the UE and the transceivers; and calculating, by the UE, uplink transmit power according to the aggregate path loss.

Uplink power control method, base station and user equipment

A method, an eNodeB and a User Equipment for transmitting Random Access Response messages are provided. The method includes: receiving Random Access Preamble transmitted by the UE through the Random Access Channel; according to the RAP, determining whether the UE belongs to the central group or the edge group of the Random Access Area; after determining that the UE belongs to the central group of the RAA, determining the RAA which the UE belongs to; transmitting the first RAR message to the UE according to the RAP, the channel resource information of the RACH, and the RAA. By transmitting the RAR message on the basis of the RAP and the RAA, the method, eNB and UE for transmitting RAR messages enable different RAR messages to be transmitted with respect to identical Random Access requests of different RAAs.

Method, enodeb and user equipment for transmitting random access response messages

A user equipment generates information based on a plurality of values of joint coding of a Rank Index RI and a first Precoding Matrix Index W1 and transmits the information on a physical uplink control channel. The payload size of the information is 5 bits. The first Precoding Matrix Index W1 and a second Precoding Matrix Index W2 correspond to a precoding matrix and 16 values in the plurality of values correspond to the Rank Index RI of 1 or 2 where a part of values in the plurality of values except the 16 values in the plurality of values correspond to the Rank Index RI of more than 2.

Joint coding method based on binary tree and coder

A method, a base station, and a user equipment for PRACH access are provided. The method includes: determining a PRACH sequence group used by multiple base stations, where the multiple base stations use a same cell identity and include a macro base station and at least one pico base station, the PRACH sequence group includes kfirst PRACH sequences, ksecond PRACH sequences, kthird PRACH sequences, kfourth PRACH sequences, kfifth PRACH sequences, and ksixth PRACH sequences, kand kare positive integers, and k, k, k, and kare nonnegative integers; and sending an indication parameter of the PRACH sequence group to the UE for the UE to randomly access a network, where the indication parameter is used for indicating the first PRACH sequences to the sixth PRACH sequences. thereby the fierceness of contention access to a PRACH can be reduced.

Method, base station, and user equipment for accessing physical random access channel

Embodiments of the present invention disclose a path loss compensation method, a base station, and a user equipment to implement calculation for path loss compensation. The method in an embodiment of the present invention includes: obtaining, by a base station, power parameters of a macro site and an RRH in a cell where a UE is located; calculating, by the base station, a path loss adjustment factor for the UE according to the power parameters, where the path loss adjustment factor is an adjustment parameter used by the base station to compensate for an uplink transmit power of the UE; and sending, by the base station, the path loss adjustment factor to the UE, so that the UE can calculate the uplink transmit power according to the path loss adjustment factor.

Growing community of inventors

Shanghai, China

Yongming Liang