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公开(公告)号：US20220109538A1
公开(公告)日：2022-04-07
申请号：US17064098
申请日：2020-10-06
申请人： NUWAN SURESH FERDINAND , MING JIA , JIANGLEI MA , JAVAD ABDOLI
发明人： NUWAN SURESH FERDINAND , MING JIA , JIANGLEI MA , JAVAD ABDOLI
摘要： A reference signaling scheme is provided that is based on the use of a Zadoff Chu sequence with cyclic repetition, optionally code division multiplexing precoding, together with frequency domain spectral shaping (FDSS). A specific pulse shape design for the FDSS part of the reference signal scheme in some embodiments involves the use of a raised cosine pulse raised to the power of β. The new solution for generating reference signals has a Low peak average power ratio that matches the PAPR of SC-OQAM, good channel estimation performance, and the ability to implement CDM in the frequency domain to increase multiplexing gain.
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公开(公告)号：US20230318775A1
公开(公告)日：2023-10-05
申请号：US18324239
申请日：2023-05-26
申请人： NUWAN SURESH FERDINAND , MING JIA , JIANGLEI MA , JAVAD ABDOLI
发明人： NUWAN SURESH FERDINAND , MING JIA , JIANGLEI MA , JAVAD ABDOLI
CPC分类号： H04L5/0048 , H04L25/0202 , H04L27/10
摘要： A reference signaling scheme is provided that is based on the use of a Zadoff Chu sequence with cyclic repetition, optionally code division multiplexing precoding, together with frequency domain spectral shaping (FDSS). A specific pulse shape design for the FDSS part of the reference signal scheme in some embodiments involves the use of a raised cosine pulse raised to the power of β. The new solution for generating reference signals has a Low peak average power ratio that matches the PAPR of SC-OQAM, good channel estimation performance, and the ability to implement CDM in the frequency domain to increase multiplexing gain.
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公开(公告)号：US20180167182A1
公开(公告)日：2018-06-14
申请号：US15374065
申请日：2016-12-09
申请人： YU CAO , JAVAD ABDOLI , JIANGLEI MA
发明人： YU CAO , JAVAD ABDOLI , JIANGLEI MA
摘要： Systems and methods are provided in which uplink transmission of pilot uses time-frequency resources that overlap with time-resources for the uplink transmission of data, by the same UE or different UEs. This can result in a decrease in pilot overhead, or if longer pilot sequences are used, can result in a decrease in collision probability. In a group-based approach, UEs are organized into groups, and each group is allocated the same resources for pilot and data.
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公开(公告)号：US20220158872A1
公开(公告)日：2022-05-19
申请号：US17586957
申请日：2022-01-28
申请人： SANJEEWA HERATH , JAVAD ABDOLI , JIANGLEI MA
发明人： SANJEEWA HERATH , JAVAD ABDOLI , JIANGLEI MA
摘要： Some embodiments of the present disclosure provide control signaling mechanisms to support data transmission by a user equipment (UE) that is in the RRC_INACTIVE state and, more generally, in any inactive state. Beyond simply supporting data transmission by a user equipment that is in the RRC_INACTIVE state, aspects of the present application provide mechanisms for configuring the UE for preamble transmission or sounding reference signal (SRS) transmission and for toggling between such transmissions. Aspects of the present application relate to mechanisms for enabling Timing Advance estimation, which mechanisms are not burdened with high overhead and which allow the UE to remain in the RRC_INACTIVE state.
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公开(公告)号：US20220029734A1
公开(公告)日：2022-01-27
申请号：US16936478
申请日：2020-07-23
摘要： In multi-domain modulation, also known as overlaid modulation, information is transmitted over more than one modulation domain. In such a transmission, different modulation domains are overlaid on top of each other. Signaling that is indicative of multiple modulation domains for overlaid modulation and is indicative of multiple modulation switching intervals is communicated in a wireless communication network, data modulated using the overlaid modulation is also communicated in the wireless communication network. The multiple modulation switching intervals include a respective modulation switching interval for each of the multiple modulation domains, and each respective modulation switching interval is different from other modulation switching intervals in the multiple modulation switching intervals.
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公开(公告)号：US20210194734A1
公开(公告)日：2021-06-24
申请号：US16723403
申请日：2019-12-20
申请人： SANJEEWA HERATH , JAVAD ABDOLI , JIANGLEI MA
发明人： SANJEEWA HERATH , JAVAD ABDOLI , JIANGLEI MA
摘要： Some embodiments of the present disclosure provide control signaling mechanisms to support data transmission by a user equipment (UE) that is in the RRC_INACTIVE state and, more generally, in any inactive state. Beyond simply supporting data transmission by a user equipment that is in the RRC_INACTIVE state, aspects of the present application provide mechanisms for configuring the UE for preamble transmission or sounding reference signal (SRS) transmission and for toggling between such transmissions. Aspects of the present application relate to mechanisms for enabling Timing Advance estimation, which mechanisms are not burdened with high overhead and which allow the UE to remain in the RRC_INACTIVE state.
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公开(公告)号：US20170272278A1
公开(公告)日：2017-09-21
申请号：US15076128
申请日：2016-03-21
申请人： JAVAD ABDOLI , MING JIA
发明人： JAVAD ABDOLI , MING JIA
CPC分类号： H04L25/0202 , H04L5/0048 , H04L25/0226 , H04L25/0256 , H04L27/2647 , H04W74/0833
摘要： Systems and methods for detecting potentially active user equipment (UE) in a network are provided. A set of potentially active UEs is detected using an iterative method. In a first iteration UE detection is performed using compressed sensing (CS) based on first pilot sequences to detect a first set of potentially active UEs. Channel estimation is then performed for the first set of potentially active UEs. In subsequent iterations, UE detection is performed using CS to detect another set, typically reduced in size, of potentially active UEs using results of the channel estimation from the previous iteration. Channel estimation is then again performed for the new set of potentially active UEs. After the last iteration, the set of potentially active UEs detected in the last iteration is output as the determined set of potentially active UEs along with channel estimates for the set of potentially active UEs determined in last iteration.
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公开(公告)号：US20160128088A1
公开(公告)日：2016-05-05
申请号：US14928750
申请日：2015-10-30
申请人： JAVAD ABDOLI , MING JIA
发明人： JAVAD ABDOLI , MING JIA
CPC分类号： H04W72/1289 , H04L5/0037 , H04L5/0053 , H04W52/262 , H04W72/042 , H04W74/00 , H04W88/08
摘要： Control signaling in multiple access communication systems, including apparatus and methods, is disclosed. Multiple access to a wireless communication link is based on power modulation division. Modulation information, capacity information, resource scheduling information, and resource assignment information is determined by a base station. Information is transmitted to user equipment devices in a common control channel in accordance with the determined modulation information, capacity information and resource scheduling information. Information is also transmitted to supporting user equipment, which supports the power modulation division multiple access, in a user equipment-specific control channel in accordance with the determined resource assignment information.
摘要翻译： 公开了包括装置和方法在内的多址通信系统中的控制信令。 对无线通信链路的多路访问基于功率调制分区。 调制信息，容量信息，资源调度信息以及资源分配信息由基站决定。 根据确定的调制信息，容量信息和资源调度信息，将信息发送到公共控制信道中的用户设备设备。 信息还根据所确定的资源分配信息在用户设备专用控制信道中发送到支持用户设备，该用户设备支持功率调制分多址。
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公开(公告)号：US20170346526A1
公开(公告)日：2017-11-30
申请号：US15165249
申请日：2016-05-26
申请人： JAVAD ABDOLI , MING JIA
发明人： JAVAD ABDOLI , MING JIA
摘要： A two-phase approach to machine-type communications is provided. In a first phase, for activity detection, at least one symbol is transmitted using a long signature. During a second phase, for data transmission, information-carrying symbols are transmitted using a short spreading signature. Activity detection performance is enhanced through the use of a longer spreading signature.
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公开(公告)号：US20190052305A1
公开(公告)日：2019-02-14
申请号：US16162621
申请日：2018-10-17
申请人： JAVAD ABDOLI , MING JIA
发明人： JAVAD ABDOLI , MING JIA
摘要： A two-phase approach to machine-type communications is provided. In a first phase, for activity detection, at least one symbol is transmitted using a long signature. During a second phase, for data transmission, information-carrying symbols are transmitted using a short spreading signature. Activity detection performance is enhanced through the use of a longer spreading signature.
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