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1.发明公开公开(公告)号：US20240243861A1
公开(公告)日：2024-07-18
申请号：US18621995
申请日：2024-03-29
发明人： Xiaodong LI , Titus Lo , Kemin Li , Haiming Huang
CPC分类号： H04L5/0007 , H04L5/0028 , H04L5/0041 , H04L5/0044 , H04L5/0064 , H04L5/1469 , H04W72/23 , H04W72/30 , H04L5/0021 , H04L5/0048 , H04L5/0094 , H04L27/2613 , H04W48/16 , H04W72/00 , H04W76/10
摘要： A mobile station using orthogonal frequency division multiple access (OFDMA). The frequency processing circuitry and the processor are configured to scan spectral bands for a first signal, the first signal having synchronization and system information. Wherein, the system information comprises configuration of a first multi-carrier communication structure, wherein the first multi-carrier communication structure comprises allocated subcarriers, a subcarrier bandwidth, and a time duration of an OFDM symbol. Further, the frequency processing circuitry and the processor configured to receive and process signals in the first multi-carrier communication structure and switch to receive and process signals using a second multi-carrier communication structure, the second multi-carrier communication structure having different subcarrier bandwidth than the first multi-carrier communication structure.
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公开(公告)号：US11804882B1
公开(公告)日：2023-10-31
申请号：US17386508
申请日：2021-07-27
发明人： Steve Shattil
IPC分类号： H04B7/0452 , H04B1/00 , H04B7/026 , H04J13/00 , H04L27/26 , H04L45/24 , H04L47/10 , H04L5/00 , H04B7/0456 , H04B7/024 , H04B7/06 , H04L27/01 , H04L27/148 , H04J13/12 , H04W72/044 , H04W84/18
CPC分类号： H04B7/0452 , H04B1/0003 , H04B7/024 , H04B7/026 , H04B7/0456 , H04B7/0697 , H04J13/0003 , H04J13/004 , H04L5/0007 , H04L5/0023 , H04L5/0035 , H04L5/0037 , H04L5/0073 , H04L27/01 , H04L27/148 , H04L27/2602 , H04L27/265 , H04L27/2636 , H04L27/2646 , H04L27/2647 , H04L45/24 , H04L47/10 , H04J13/12 , H04L5/0021 , H04L27/2601 , H04L27/2614 , H04W72/046 , H04W84/18
摘要： Applications of CI processing to ad-hoc and peer-to-peer networking significantly improve throughput, network capacity, range, power efficiency, and spectral efficiency. CI-based subscriber units perform network-control functions to optimize network performance relative to channel conditions, network loads, and subscriber services. CI codes are used to identify and address network transmissions. Channel characteristics of communication links are employed to encode, address, and authenticate network transmissions. CI transceivers used as relays and routers employ unique characteristics of transmission paths to code and decode network transmissions. A central processor is adapted to perform array processing with signals received from, and transmitted by, a plurality of subscriber units in a wireless network.
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公开(公告)号：US11784765B2
公开(公告)日：2023-10-10
申请号：US17721138
申请日：2022-04-14
CPC分类号： H04L5/0021 , H04J11/0023 , H04L5/0048 , H04L5/0073 , H04L27/26 , H04L27/2613 , H04W76/27
摘要： A reference signal sending or receiving method includes: determining, by the network device, a plurality of resource elements REs used to carry a first CSI-RS, where the plurality of REs are distributed in a plurality of resource units, and in each resource unit, a plurality of REs used to carry the first CSI-RS are located on a plurality of subcarriers in a same symbol, values of the first CSI-RS carried on at least two REs are different, and values of the first CSI-RS are loaded to the plurality of REs in the resource unit by using a first multiplex code; and sending, by the network device, the first CSI-RS to the terminal device by using the plurality of REs.
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公开(公告)号：US20230283419A1
公开(公告)日：2023-09-07
申请号：US18196071
申请日：2023-05-11
申请人： NEC Corporation
发明人： Chuangxin JIANG , Yukai GAO , Zhennian SUN , Gang WANG
IPC分类号： H04L5/00 , H04L27/26 , H04W72/23 , H04W76/27 , H04B7/0413
CPC分类号： H04L5/0021 , H04L27/2613 , H04L5/0051 , H04W72/23 , H04W76/27 , H04B7/0413 , H04L5/0048 , H04L5/0007 , H04W88/02
摘要： Embodiments of the present disclosure relate to a method and apparatus of transmitting a reference signal and a method and apparatus of receiving a reference signal. In one embodiment of the present disclosure, the method of transmitting a reference comprises receiving a reference signal configuration indication, wherein reference signal resources are divided into at least two reference signal groups, and the reference signal configuration indication indicates a reference signal configuration including a reference signal group configuration; and transmitting the reference signal using a reference signal sequence in a reference signal group as indicated by the reference signal group configuration, wherein the reference signal sequence can be multiplexed with another layer or another user in different reference signal groups. With embodiments of the present disclosure, reference signals for different layers or users can be multiplexed in different reference signal groups and thus, more mu-users with unequal allocated bandwidths can be supported without significant channel estimation loss and Peak to Average Power Ratio (PAPR) loss.
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公开(公告)号：US20190222372A1
公开(公告)日：2019-07-18
申请号：US16365227
申请日：2019-03-26
发明人： Zhiheng GUO , Xinqian XIE , Wei SUN
CPC分类号： H04L5/0021 , H04L1/1657 , H04L5/0007 , H04L5/0055 , H04L25/0226 , H04W72/02 , H04W72/10
摘要： Example methods and apparatus for sending a signal are described. One method includes determining a to-be-sent first signal by a first terminal and determining a first time-frequency resource. Some or all of the first time-frequency resource are second time-frequency resources, and the second time-frequency resource is a time-frequency resource used to send a second signal. The first signal is sent by the first terminal by using the first time-frequency resource, where the first time-frequency resource includes an idle time-frequency resource that is not occupied by the second signal. The first time-frequency resource can also include a common time-frequency resource occupied by the second signal, and the first signal is orthogonal to the second signal in the common time-frequency resource.
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公开(公告)号：US20180253185A1
公开(公告)日：2018-09-06
申请号：US15449956
申请日：2017-03-04
发明人： Benjamin Imanilov
CPC分类号： G06F3/0418 , G06F3/044 , H03K17/9622 , H04L5/0021 , H04L27/2614 , H04L27/2615 , H04L27/2634
摘要： An electronic device is described which has a sensor panel comprising a plurality of receive electrodes configured to measure signals received from one or more transmit electrodes. The device has a sensor panel control module configured to: receive signals from the plurality of receive electrodes in the presence of at least one tone interferer. The module is configured to convert the received signals from a time domain into a frequency domain; and to process the received signals in the frequency domain in order to mitigate the effect of the tone interferer.
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公开(公告)号：US20180253183A1
公开(公告)日：2018-09-06
申请号：US15449954
申请日：2017-03-04
发明人： Benjamin Imanilov
CPC分类号： G06F3/0418 , H04L5/0021 , H04L27/2614 , H04L27/2615 , H04L27/2634
摘要： An electronic device is described which has a sensor panel comprising a plurality of transmit electrodes configured to form an electric field when driven and a plurality of receive electrodes configured to measure signals received from the transmit electrodes. The electronic device has a sensor panel control module configured to apply a driving signal to each of the transmit electrodes, and to compute the driving signals using orthogonal frequency division multiplexing to obtain a plurality of orthogonal subcarrier signals, and configured to apply a Hadamard matrix transform to the orthogonal subcarrier signals to compute final signals for driving the transmit electrodes.
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8.发明申请公开(公告)号：US20180205591A1
公开(公告)日：2018-07-19
申请号：US15743496
申请日：2016-07-27
发明人： Woo-Wan WANG , Hyeon-Cheol PARK , Seung-Chan LIM , Sang-Wook SUH
IPC分类号： H04L27/34 , H04B7/0452 , H04L5/00 , H04B7/0456
CPC分类号： H04L27/3411 , H04B7/0452 , H04B7/0456 , H04J13/0003 , H04L5/0021 , H04L25/03
摘要： Disclosed is a 5G or pre-5G communication system to be provided so as to support a data transmission rate higher than that of a 4G communication system such as long term evolution (LTE). According to the present disclosure, a method for transmitting a signal in a communication system supporting multi-user access comprises the steps of: transmitting, to a receiving device, information indicating a codebook formed on the basis of at least two signal constellations for sparse code multiple access (SCMA) transmissions; and transmitting signals on the basis of the codebook, wherein the at least two signal constellations are generated on the basis of energy values of symbols of a pre-given mother signal constellation and sizes of the symbols of the mother signal constellation.
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公开(公告)号：US10009209B2
公开(公告)日：2018-06-26
申请号：US14228155
申请日：2014-03-27
发明人： Peiying Zhu , Jianglei Ma , Ming Jia , Wen Tong
CPC分类号： H04L27/2637 , H04L5/0021 , H04L5/0066 , H04L25/03834 , H04L27/2602 , H04L27/264
摘要： A method for operating a device includes determining adaptation criteria for a waveform to be transmitted by a transmitting device over a communications channel towards a receiving device, and adjusting a generalized multi-carrier multiplexing parameter (GMMP) of the waveform in accordance with the adaptation criteria. The method also includes transmitting an indicator of the adjusted GMMP to at least one of the transmitting device and the receiving device.
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公开(公告)号：US10009208B1
公开(公告)日：2018-06-26
申请号：US15644209
申请日：2017-07-07
发明人： Steve Shattil
IPC分类号： H04L27/26 , H04B7/024 , H04J13/12 , H04B7/026 , H04L5/00 , H04B7/06 , H04J11/00 , H04J13/00 , H04B7/0452
CPC分类号： H04L27/2628 , H04B7/024 , H04B7/026 , H04B7/0452 , H04B7/0456 , H04B7/0617 , H04B7/0626 , H04B7/0697 , H04B7/18506 , H04J11/0093 , H04J13/0003 , H04J13/004 , H04J13/12 , H04L5/0007 , H04L5/0021 , H04L5/0023 , H04L5/0035 , H04L5/0037 , H04L5/0073 , H04L12/2854 , H04L27/2601 , H04L27/2602 , H04L27/2614 , H04L27/2633 , H04L41/0226 , H04L45/24 , H04L47/10 , H04W52/42 , H04W72/0413 , H04W72/046 , H04W84/18 , H04W88/02
摘要： An OFDM transmitter spreads original data symbols with a complex-valued spreading matrix derived from a discrete Fourier transform. Spread data symbols are mapped to OFDM subcarriers. Spreading and mapping are configured to produce a transmitted spread-OFDM signal with a low peak-to-average power ratio (PAPR) and orthogonal code spaces. In MIMO systems, the complex-valued spreading matrix can comprise a MIMO precoding matrix, and the code spaces can comprise MIMO subspaces. In Cooperative-MIMO, a combination of low code-space cross correlation and low PAPR can be achieved.
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