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公开(公告)号：US11171734B2
公开(公告)日：2021-11-09
申请号：US16908609
申请日：2020-06-22
申请人： ZTE Corporation
发明人： Wei Cao , Li Tian , Yifei Yuan , Tao Lu
摘要： Methods, systems, and devices related to applying a spreading code to reference signals are described. In one exemplary aspect, a method for wireless communication includes receiving a message indicating a set of control options available to the mobile device for data transmissions. The method includes selecting a spreading code sequence from a number of spreading code sequences, wherein the spreading code sequence corresponds to a control option in the set of control options, wherein the number of spreading code sequences is greater than a length of each of the spreading code sequence, and wherein the spreading code sequences are generated using a method when the length of each of the spreading code sequences is greater than or equal to a value. The method also includes generating a plurality of reference signal symbols using the spreading code sequence, and transmitting the plurality of reference signal symbols.
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公开(公告)号：US11082178B2
公开(公告)日：2021-08-03
申请号：US16484098
申请日：2018-02-06
申请人： ZTE CORPORATION
发明人： Kun Liu , Bo Dai , Zhaohua Lu , Xianming Chen , Zhifeng Yuan , Wei Cao , Chunlin Yan
摘要： Provided are a message sending method and device, and an electronic device. The method includes: sending, by a first node, a message to a second node, wherein the message includes at least one of: a first reference signal carried on a first resource, or a data packet carried on a second resource; wherein the first reference signal belongs to a first reference signal set, and the first resource belongs to a first resource set; the second resource belongs to a second resource set; and the first resource set and the second resource set have a gap in a time domain, and the value of the gap is greater than or equal to 0.
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公开(公告)号：US20200287669A1
公开(公告)日：2020-09-10
申请号：US16882311
申请日：2020-05-22
申请人： ZTE Corporation
摘要： Reducing control signaling is an effective technique for increasing resource efficiency when supporting a massive number of connections in an Internet of Things framework. In the presence of sporadic and small data packets, the use of control signaling must be optimized to not overwhelm network resources. In some embodiments, a bit map in a control signaling packet may indicate if certain information elements that correspond to configuration parameters are present or absent. When they are absent, predetermined values for the corresponding configuration parameters may be used, whereas when they are present, predefined values from a set of predefined values may be used. In other embodiments, the predetermined values may be periodically updated.
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公开(公告)号：US11736997B2
公开(公告)日：2023-08-22
申请号：US17298100
申请日：2019-09-02
申请人： ZTE Corporation
发明人： Li Yang , Jianwu Dou , Wei Cao
CPC分类号： H04W36/00837 , H04W36/0069 , H04W36/30 , H04W76/15 , H04W84/06
摘要： A link determination and establishment method and apparatus are provided. In the link determination method, a ground serving base station of User Equipment (UE) receives, from an air serving base station of the UE, link information of a primary link and configuration information of the air serving base station; the ground serving base station determines at least one cooperative base station of the UE and feature information of at least one secondary link according to the link information of the primary link and the configuration information of the air serving base station; and the ground serving base station sends, to the air serving base station and the at least one cooperative base station, indication information for establishing the at least one secondary link, the link information of the primary link, and configuration information of the ground serving base station.
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公开(公告)号：US11375550B2
公开(公告)日：2022-06-28
申请号：US16908525
申请日：2020-06-22
申请人： ZTE Corporation
发明人： Li Tian , Wei Cao , Sha Wang , Yifei Yuan , Zhifeng Yuan
IPC分类号： H04W74/08 , H04W76/27 , H04W4/06 , H04W28/16 , H04L41/142
摘要： Optimizing the resource configuration or selection for grant-free contention-based non-orthogonal multiple access (NOMA) transmissions is an effective way to increase network capacity and reduce multi-user interference at the user equipment (UE). In some embodiments, a network node may determine the current traffic load, select multiple access (MA) sequences for the UE based on the determination, and transmit this selection to the UE for subsequent transmissions. In other embodiments, the UE may receive a message with an indication of the traffic load being experienced by the base station that the UE is attempting to connect to, and then may randomly select an MA sequence for subsequent transmissions.
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公开(公告)号：US20210378024A1
公开(公告)日：2021-12-02
申请号：US17403386
申请日：2021-08-16
申请人： ZTE Corporation
发明人： Wei Cao , Li Tian , Ziyang Li , Junfeng Zhang , Chenchen Zhang
摘要： Methods, systems, and devices for power control for random access protocols in mobile communication technology are described. An exemplary method for wireless communication includes broadcasting, by a network node serving a cell, an indication of a transmit power level that is specific to the cell, wherein the indication is for use by a wireless device operating in the cell for a two-step random access procedure. Another exemplary method for wireless communication includes receiving, by a wireless device operating in a cell served by a network node, an indication of a transmit power level that is specific to the cell for use in a two-step random access procedure, and transmitting, at the transmit power level, a first message of the two-step random access procedure.
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公开(公告)号：US20200322079A1
公开(公告)日：2020-10-08
申请号：US16908609
申请日：2020-06-22
申请人： ZTE Corporation
发明人： Wei Cao , Li Tian , Yifei Yuan , Tao Lu
摘要： Methods, systems, and devices related to applying a spreading code to reference signals are described. In one exemplary aspect, a method for wireless communication includes receiving a message indicating a set of control options available to the mobile device for data transmissions. The method includes selecting a spreading code sequence from a number of spreading code sequences, wherein the spreading code sequence corresponds to a control option in the set of control options, wherein the number of spreading code sequences is greater than a length of each of the spreading code sequence, and wherein the spreading code sequences are generated using a method when the length of each of the spreading code sequences is greater than or equal to a value. The method also includes generating a plurality of reference signal symbols using the spreading code sequence, and transmitting the plurality of reference signal symbols.
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公开(公告)号：US12069735B2
公开(公告)日：2024-08-20
申请号：US17486523
申请日：2021-09-27
申请人： ZTE CORPORATION
发明人： Wei Cao , Nan Zhang , Chenchen Zhang , Zhen Yang , Junfeng Zhang
IPC分类号： H04W74/0833 , H04B7/185 , H04L27/26 , H04W74/00
CPC分类号： H04W74/0833 , H04B7/18513 , H04L27/26132 , H04W74/002
摘要： Methods, systems, and devices for generating preambles in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, by a network node, a configuration for random access comprising a value indicative of a number of Zadoff-Chu (ZC) sequence roots (M) and a number of repetitions (N), and receiving, from a wireless device, a random access preamble, wherein the random access preamble comprises M concatenated ZC sequences with different roots, and wherein each of the M concatenated ZC sequences is repeated based on N.
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公开(公告)号：US11985548B2
公开(公告)日：2024-05-14
申请号：US17387552
申请日：2021-07-28
申请人： ZTE Corporation
发明人： Li Tian , Ziyang Li , Wei Cao , Junfeng Zhang , Jianqiang Dai
IPC分类号： H04W28/26 , H04W48/16 , H04W72/0446
CPC分类号： H04W28/26 , H04W48/16 , H04W72/0446
摘要： Techniques are described to configure a channel structure for a random-access procedure. For example, a wireless communication method includes communicates, by a first device, a channel structure to a second device, where the channel structure includes a first set of resources reserved for a first message (e.g., a preamble), a second set of resources reserved for a second message (e.g., a payload), or a time duration gap between the first set of resources and the second set of resources. The wireless communication method also includes receiving by the first device the first message and the second message at the configured first and second set of resources, respectively.
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公开(公告)号：US11974332B2
公开(公告)日：2024-04-30
申请号：US17571061
申请日：2022-01-07
申请人： ZTE Corporation
发明人： Ziyang Li , Li Tian , Wei Cao , Jianqiang Dai , Yuzhou Hu , Junfeng Zhang
IPC分类号： H04W74/08 , H04L5/00 , H04W74/0833
CPC分类号： H04W74/0841 , H04L5/0051
摘要： Wireless communication includes a user equipment that transmits a message to a base station that includes a preamble and a payload corresponding to the preamble in a random access procedure. A parameter is determined based on the preamble, and a de-modulation reference signal (“DMRS”) sequence that is used for transmitting the payload is generated based on the parameter.
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