US Patent No. 10,694,515

SIGNAL PROCESSING METHOD, BASE STATION AND TERMINAL


Patent No. 10,694,515
Issue Date June 23, 2020
Title Signal Processing Method, Base Station And Terminal
Inventorship Yajun Zhao, Shenzhen (CN)
Linmei Mo, Shenzhen (CN)
Hanqing Xu, Shenzhen (CN)
Assignee ZTE CORPORATION, Shenzhen, Guangdong Province (CN)

Claim of US Patent No. 10,694,515

1. A signal processing method, comprising:presetting a subframe structure comprising at least a first time slot and a second time slot, wherein
the first time slot is used for transmission of a downlink signal; or is idle; or is switched to reception of an uplink signal and schedules transmission of the uplink signal or does not schedule transmission of the uplink signal; or is switched to reception of a signal for only performing reception and measurement of other signals except for the uplink signal but does not schedule transmission of the uplink signal;
the second time slot is used for reception of an uplink signal and schedules transmission of the uplink signal; or is idle; or is switched to reception of a signal for only performing measurement but does not schedule the uplink signal; and
a base station performing signal reception and transmission based on the set subframe structure; wherein the subframe structure further comprises:
a fourth time slot which is different from the first time slot and the second time slot and used for transmission of indication information; wherein the fourth time slot of the subframe structure is used for transmission of the following indication information:
indication information for indicating a number of symbols occupied by a control domain;
or indication information for indicating configuration information of a subframe structure of subsequent transmission;
or indication information for indicating scheduling information for transmitting an unlicensed carrier; wherein the step of the base station performing signal reception and transmission based on the set subframe structure comprises:
the base station performing configuration of a subframe pattern based on the set subframe structure;
the base station notifying the UE of the configured subframe pattern; and
the base station performing signal reception and transmission according to the set subframe structure and the configured subframe pattern; wherein, the step of the base station performing configuration of a subframe pattern based on the set subframe structure comprises:
the base station performing configuration of the subframe pattern of the set subframe structure when the base station performs resource awareness and/or preemption for an unlicensed carrier;
or the base station temporarily not performing configuration of the subframe pattern of the set subframe structure during the base station performing measurement awareness and/or preemption on an unlicensed carrier, and performing configuration of the subframe pattern of the set subframe structure on the unlicensed carrier when the base station performs measurement awareness and completes resource preemption for the unlicensed carrier at any time;
or the base station always performing signal transmission and reception according to the set subframe structure when the base station processes an unlicensed carrier;
or indicating whether one subframe is configured to the set frame structure in first i OFDM symbols of the subframe; wherein when the set subframe structure is suitable for an unlicensed carrier,
when the subframe pattern is configured, for carriers managed by the same licensed carrier, subframe types thereof are uniformly configured with the same subframe pattern, and the step of notifying the UE of the set subframe pattern comprises: uniformly notifying the UE once by the licensed carrier; and when a new secondary carrier is added, the UE considers that the subframe configuration of the newly added carrier is the same as the notified configuration by default;
or when the subframe pattern is configured, for the carriers managed by the same licensed carrier, the subframe types thereof are configured with different subframe patterns, and the step of notifying the UE of the set subframe pattern comprises: uniformly performing configuration per a cell set, and notifying the UE; or using a frequency subband as a unit, making a plurality of carriers in a frequency subband have the same configuration, and notifying the UE.