Spreadtrum Communications (shanghai) Co., Ltd.

Beijing Spreadtrum Hi-tech Communications Technology Co., Ltd.

Beijing Unisoc Communications Technology Co., Ltd.

Weijie Xu

Huayu Zhou

Yanan Jia

Hualei Wang

Zhengang Pan

Yang Liu

Zhikun Xu

Su Huang

Xinghang Gao

Xu Zhao

Method and device for indicating sub-band configuration, and method and device for accessing sub-band are provided. The method for indicating sub-band configuration includes: configuring a broadcast channel in a basic sub-band which is configured with a synchronization signal; and indicating sub-band configuration of at least one non-basic sub-band directly or indirectly through a master information block carried by the broadcast channel, wherein the sub-band configuration of the non-basic sub-band is used for user equipment accessing the non-basic sub-band, and comprises a frequency position. UE may access different sub-bands efficiently with relatively high flexibility and relatively few signaling overhead.

Method and device for indicating sub-band configuration, and method and device for accessing sub-band

A user equipment, a method for controlling the user equipment, and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels and is continuous in a frequency domain and a time domain. The present disclosure can control the user equipment to access the network.

User equipment, method for controlling the same and network side device

Method and device for indicating sub-band configuration, and method and device for accessing sub-band are provided. The method for indicating sub-band configuration includes: configuring a broadcast channel in a basic sub-band which is configured with a synchronization signal; and indicating sub-band configuration of at least one non-basic sub-band directly or indirectly through a master information block carried by the broadcast channel, wherein the sub-band configuration of the non-basic sub-band is used for user equipment accessing the non-basic sub-band, and comprises a sub-carrier spacing, a Cyclic Prefix (CP) length and a frequency position. UE may access different sub-bands efficiently with relatively high flexibility and relatively few signaling overhead.

A method for transmitting information in a communication system, a base station and a user equipment. The method includes mapping a synchronous signal and a broadcast channel to be transmitted to preset one or more time-frequency resource blocks in a target carrier, where a numerology used by the target carrier is a first numerology group, and the first numerology group includes any one or more numerologies that are allowed to be used by the target carrier; the one or more time-frequency resource blocks are located within an initial access subband of the target carrier and uses a second numerology, where the second numerology is a fixed numerology; the broadcast channel carries at least configuration information of the initial access subband; and the initial access subband is a subband corresponding to a numerology in the first numerology group; and transmitting the one or more time-frequency resource blocks to a user equipment.

Method for transmitting information in communication system, base station and user equipment

A user equipment, a method for controlling the user equipment and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain, wherein the broadcast-type signals and channels comprise at least one of a synchronization signal, a broadcast channel and a common control channel, wherein transmitting the broadcast-type signals and channels through the dedicated resource unit comprises: transmitting the broadcast channel and/or the common control channel to the user equipment by using a preset broadcast reference signal. The present disclosure can control the user equipment to access the network.

A cross-subband or cross-carrier scheduling method, a base station and a user equipment are provided. The method includes: determining a first start symbol and a first end symbol for scheduling a user equipment to transmit and receive data using a time-frequency resource on a second subband or carrier, based on two numerologies corresponding to two subbands or carriers; and transmitting downlink control information to the user equipment on the first subband or carrier, so that the user equipment can transmit and receive data using the time-frequency resource on the second subband or carrier according to the downlink control information, where the downlink control information includes an identification number of the second subband or carrier allocated for the user equipment and the first start symbol and the first end symbol for scheduling the user equipment to transmit and receive data using the time-frequency resource on the second subband or carrier.

Cross-subband or cross-carrier scheduling method, base station and user equipment

Method and device for indicating sub-band configuration, and method and device for accessing sub-band are provided. The method for indicating sub-band configuration includes: configuring a broadcast channel in a basic sub-band which is configured with a synchronization signal; and indicating sub-band configuration of at least one non-basic sub-band directly or indirectly through a master information block carried by the broadcast channel, wherein the sub-band configuration of the non-basic sub-band is used for user equipment accessing the non-basic sub-band. UE may access different sub-bands efficiently with relatively high flexibility and relatively few signaling overhead.

A method and a device for communication based on LAA, the method for communication includes: transmitting cell group information to a terminal, where the cell group information points to multiple carriers, and the multiple carriers comprise an un-licensed carrier and a licensed carrier; and transmitting downlink control information through an activated carrier in the multiple carriers, where the cell group information is used to instruct the terminal to implement a blind detection to the multiple carriers so as to obtain the downlink control information. Technical solutions of the present disclosures can improve communication speed and efficiency of a LAA system.

Method and device for communication based on LAA

A user equipment, a method for controlling the user equipment and a network side device are provided in the present disclosure. The method includes transmitting broadcast-type signals and channels to the user equipment through a dedicated resource unit so that the user equipment can access a network; wherein the dedicated resource unit is only configured to transmit the broadcast-type signals and channels, and is continuous in a frequency domain and a time domain. The present disclosure can control the user equipment to access the network.

Communication control method and device are provided. The method includes: determining M parts of resources for transmitting a control area in N parts of resources, wherein the N parts of resources are acquired by dividing, in a frequency domain, frequency resources of symbols for transmitting the control area in a s-TTI, M and N are integers, 1&#x2264;M&#x2264;N; and transmitting a PDCCH to a terminal through the control area. The method and device may realize communication control of the network to the terminal more flexibly and with less average resource overhead in the s-TTI technology.

Communication control method and device

A method and a device for scheduling and using remaining resources of a synchronization signal block is described. The method includes configuring a mini-slot according to the remaining resources, and transmitting scheduling information for the mini-slot to a user equipment. The method further includes scheduling information that includes downlink control information for the mini-slot. Further, the remaining resources include remaining symbols left after occupation of the last synchronization signal block in a slot where the last synchronization signal block is located, when at least one synchronization signal block is transmitted.

Method and device for scheduling and using remaining resources of synchronization signal block

A user equipment, a control method thereof and a network side device are provided in the present disclosure. The control method includes: indicating configuration information of a subband to be configured to a user equipment via a common control channel of a basic subband, such that the user equipment can use the subband to be configured according to the configuration information, wherein the basic subband is a subband to which the user equipment has access, and the subband to be configured comprises any subband within a bandwidth resource. The above method can support the flexibility of subband configuration.

User equipment, control method thereof and network side device

A user equipment, a network side device and a method for controlling the user equipment. The method includes: generating control information of the user equipment, wherein the control information is adapted to indicate configuration of downlink data reception of the user equipment or configuration of uplink data transmission of the user equipment; adding the generated control information to downlink control signaling; and transmitting the downlink control signaling to the user equipment to instruct the user equipment to configure corresponding parameters according to the control information for data transmission with the network side. The present disclosure can improve configuration flexibility of the user equipment.

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Shanghai, China

Weijie Xu