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公开(公告)号：US20220030574A1
公开(公告)日：2022-01-27
申请号：US17275697
申请日：2018-09-19
发明人： Hongmei Liu , Haipeng Lei , Zhennian Sun , Zhi Yan , Lianhai Wu
摘要： Methods and apparatuses for time domain resource allocation are disclosed. A method comprises: receiving a first slot format indicating a first time domain resource; receiving an indicator indicating a second time domain resource allocated for data or control channel transmission; mapping the second time domain resource to a third time domain resource, wherein the third time domain resource is a subset of the first time domain resource; and receiving the data or control channel transmission from the third time domain resource. Although the method may imply that the first slot format is received before the indicator is received, the indicator may be received before the first slot format is received.
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22.发明申请公开(公告)号：US20210385021A1
公开(公告)日：2021-12-09
申请号：US17408974
申请日：2021-08-23
发明人： Haipeng Lei , Chenxi Zhu , Zhi Yan , Zhennian Sun
摘要： The present application is related to a method and apparatus of using redundant bits in semi-statically configured HARQ-ACK feedback. A method of receiving information according to one embodiment comprises receiving a first number of code block groups from a base unit, wherein each code block within a code block group is independently decodable; determining a (HARQ-ACK) codebook size corresponding to the first number of code block groups; and transmitting a HARQ-ACK codebook to the base unit, wherein the HARQ-ACK codebook comprises the first number of HARQ-ACK bits with each bit corresponding to one code block group and a second number of padded bits. The first number plus the second number is equal to the determined HARQ-ACK codebook size. The present application enhances the downlink (DL) transmission performance and the uplink (UL) HARQ-ACK transmission reliability.
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公开(公告)号：US20210344473A1
公开(公告)日：2021-11-04
申请号：US17279920
申请日：2018-11-08
发明人： Zhennian Sun , Xiaodong Yu , Haipeng Lei , Hongmei Liu , Jing Han
摘要： The subject application is related to a method and apparatus for DTX detection for sidelink groupcast transmission. A method for transmitting groupcast includes: transmitting a reference signal which can be received by a user equipment (UE) within a group, transmitting another reference signal which can be received by the UE and another UE outside of the group, transmitting a signal, and monitoring appearance of a hybrid automatic repeat request (HARQ) feedback signal on a HARQ feedback resource, wherein the HARQ feedback signal comprises feedback information corresponding to the signal.
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公开(公告)号：US20210315040A1
公开(公告)日：2021-10-07
申请号：US17265639
申请日：2018-08-03
发明人： Lianhai Wu , Haiming Wang , Jing Han , Haipeng Lei
摘要： The present disclosure relates to methods and apparatuses. According to some embodiments of the disclosure, a method comprises: transmitting, at a communication device, a signaling message indicating a failure in a backhaul link.
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公开(公告)号：US20210250130A1
公开(公告)日：2021-08-12
申请号：US17053625
申请日：2018-05-11
发明人： Haipeng Lei
摘要： Embodiments of the present application relate to a method and apparatus for hybrid automatic repeat request-acknowledge (HARQ-ACK) feedback for carrier aggregation (CA). A method according an embodiment of the present application may include receiving at least one downlink transmission; generating a first HARQ-ACK sub-codebook for the at least one downlink transmission; determining whether to generate a second HARQ-ACK sub-codebook; and transmitting a HARQ-ACK codebook. The HARQ-ACK HARQ-ACK codebook includes the first HARQ-ACK sub-codebook in response to the second HARQ-ACK sub-codebook determined not to be generated, or includes the first HARQ-ACK sub-codebook and the second HARQ-ACK sub-codebook in response to the second HARQ-ACK sub-codebook determined to be generated. The present application avoids misunderstanding between a base unit and a remote unit when generating the HARQ-ACK feedback for CA.
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公开(公告)号：US20210235511A1
公开(公告)日：2021-07-29
申请号：US17267324
申请日：2018-08-09
发明人： Alexander Johann Maria Golitschek Edler von Elbwart , Haipeng Lei , Prateek Basu Mallick , Joachim Lohr
摘要： An apparatus comprises a transmitter for transmitting a first message to a communication device, where the first message is a message within a random access procedure; a receiver for receiving a second message from the communication device in response to the first message; and a processor that increases a contention window value if the second message is not received in a time duration after the first message is transmitted; and that sets the contention window value to an initial value if the second message is received in the time duration after the first message is transmitted.
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公开(公告)号：US20210045089A1
公开(公告)日：2021-02-11
申请号：US16969148
申请日：2018-02-11
发明人： Xiaodong Yu , Haipeng Lei , Jing Han , Lianhai Wu , Haiming Wang
摘要： Method and apparatus for reduction of latency between the time when packets arrive at Layer 1 and the time when resource is selected for transmission are disclosed. One method of the apparatus for latency reduction includes excluding resource from a resource set for packets transmission on SL based on at least one of parameters which are determined according to a latency requirement for the packets, wherein, the parameters comprise a required percentage of the candidate resource in the resource set, maximum power threshold of interference signal, and maximum number of times for increasing power threshold of interference signal.
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公开(公告)号：US20200374048A1
公开(公告)日：2020-11-26
申请号：US16638394
申请日：2017-08-11
发明人： Haipeng Lei , Zhi Yan , Lianhai Wu
摘要： Apparatuses, methods, and systems are disclosed for determining hybrid automatic repeat request acknowledgement (“HARQ-ACK”) feedback timing for semi-persistent scheduling (“SPS”) physical downlink shared channel (“PDSCH”). One apparatus (300) includes a receiver (335) that receives (805) a radio resource control (“RRC”) signal from a base unit and a processor (305) that determines (810) a feedback timing for a SPS PDSCH transmission. The processor (305) uses the RRC signal to determine the feedback timing. The apparatus also includes a transmitter (330) that transmits (815) HARQ-ACK feedback to the base unit in a first slot defined by the feedback timing information. Here, the HARQ-ACK feedback indicating whether the SPS PDSCH transmission was successfully received.
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29.发明申请公开(公告)号：US20200169357A1
公开(公告)日：2020-05-28
申请号：US16638438
申请日：2017-08-11
发明人： Haipeng Lei , Chenxi Zhu , Zhi Yan , Zhennian Sun
摘要： The present application is related to a method and apparatus of using redundant bits in semi-statically configured HARQ-ACK feedback. A method of receiving information according to one embodiment comprises receiving a first number of code block groups from a base unit, wherein each code block within a code block group is independently decodable; determining a (HARQ-ACK) codebook size corresponding to the first number of code block groups; and transmitting a HARQ-ACK codebook to the base unit, wherein the HARQ-ACK codebook comprises the first number of HARQ-ACK bits with each bit corresponding to one code block group and a second number of padded bits. The first number plus the second number is equal to the determined HARQ-ACK codebook size. The present application enhances the downlink (DL) transmission performance and the uplink (UL) HARQ-ACK transmission reliability.
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公开(公告)号：US20240349311A1
公开(公告)日：2024-10-17
申请号：US18580266
申请日：2021-08-25
发明人： Zhennian Sun , Xiaodong Yu , Haipeng Lei , Xin Guo
IPC分类号： H04W72/40 , H04W72/02 , H04W72/044
CPC分类号： H04W72/40 , H04W72/02 , H04W72/044
摘要： The present disclosure relates to methods and apparatus for resource availability determination. An embodiment of the present disclosure provides an apparatus, including: a processor configured to: determine availability of one or more resources for a first sidelink transmission associated with a first radio access technology (RAT) based on at least one of: information on one or more reserved resources for second sidelink transmission(s) associated with a second RAT: information on one or more physical sidelink feedback channel (PSFCH) resources corresponding to the one or more resources: a priority level of the first sidelink transmission: a first sub-carrier spacing of the first RAT: and a first frame structure for the first RAT in one or more slots where the one or more resources are located: and a transceiver coupled to the processor and configured to not perform the first sidelink transmission with at least one resource determined as unavailable for the first sidelink transmission.
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