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1. 发明授权

US6009129A Device and method for detection and reduction of intermodulation distortion 失效
标题翻译：用于检测和减少互调失真的装置和方法
公开(公告)号：US6009129A
公开(公告)日：1999-12-28
申请号：US808601
申请日：1997-02-28
申请人： Thomas J. Kenney , Ilkka Niva , Steven D. Gray , Joe Dowling
发明人： Thomas J. Kenney , Ilkka Niva , Steven D. Gray , Joe Dowling
IPC分类号： H04B1/10
CPC分类号： H04B1/7102 , H04B1/1027
摘要： In the front end of a CDMA cellular or broadband PCS mobile phone receiver, a switched bypass connection is provided to bypass the low noise amplifier, sending the received signal through an amplifier bypass connection. The amplifier bypass connection may include an attenuator. The switched bypass is activated by a control signal generated by a digital signal processor. The digital signal processor analyzes the received signal to detect and determine the relative contribution of the IMD interference to the total received signal power and, when the IMD interference exceeds a predetermined level, sends a control signal to bypass the low noise amplifier. Identification of the presence of IMD interference is by spectral estimation to discern when the mobile phone is in the presence of large near-band signals from an AMPS or other narrow-band base station which causes in-band IMD. In a preferred embodiment, the spectral estimation is performed by collecting a series of data samples from the received signal and, using a digital signal processor (DSP), computing a Discrete Fourier Transform (DFT) to generate frequency domain data, passing the data through a filter bank, then using a decision algorithm to determine whether or not there is sufficient IMD present in the received signal to bypass the LNA. If the IMD level is high enough to warrant bypass of the LNA, the DSP will provide a signal to an automatic gain control (AGC) block for controlling a variable gain amplifier (VGA) to compensate for gain loss due to bypass of the LNA.
摘要翻译：在CDMA蜂窝或宽带PCS移动电话接收机的前端，提供开关旁路连接以绕过低噪声放大器，通过放大器旁路连接发送接收的信号。放大器旁路连接可以包括衰减器。开关旁路由数字信号处理器产生的控制信号激活。数字信号处理器分析接收到的信号以检测并确定IMD干扰对总接收信号功率的相对贡献，并且当IMD干扰超过预定电平时，发送控制信号以绕过低噪声放大器。识别IMD干扰的存在是通过频谱估计来识别当移动电话在存在来自AMPS或其他导致带内IMD的其他窄带基站的大的近带信号的情况下。在优选实施例中，通过从接收到的信号收集一系列数据采样来执行频谱估计，并且使用数字信号处理器（DSP），计算离散傅立叶变换（DFT）来产生频域数据，将数据传递通过滤波器组，然后使用判定算法来确定接收到的信号中是否存在足够的IMD以绕过LNA。如果IMD电平足够高以保证LNA的旁路，则DSP将为自动增益控制（AGC）模块提供一个信号，用于控制可变增益放大器（VGA），以补偿由于LNA旁路引起的增益损失。

2. 发明公开

US20240292455A1 ENHANCED NON-PRIMARY CHANNEL ACCESS, DYNAMIC SUB-BAND OPERATION, AND NON-DYNAMIC SUB-BAND OPERATION WITH PER-BANDWIDTH VIRTUAL SENSING 审中-公开
公开(公告)号：US20240292455A1
公开(公告)日：2024-08-29
申请号：US18660475
申请日：2024-05-10
申请人： Laurent Cariou , Thomas J. Kenney
发明人： Laurent Cariou , Thomas J. Kenney
IPC分类号： H04W74/0808 , H04W48/08
CPC分类号： H04W74/0808 , H04W48/08
摘要： This disclosure describes systems, methods, and devices for using a per-bandwidth virtual sensing network allocation vector (NAV) for sub-band operations. An access point may send an overlapping basic service set (OBSS) frame using at least a subset of an operating bandwidth of the access point, wherein the OBSS frame signals to a receiving device operating in the at least the subset of the operating bandwidth to set a network allocation vector (NAV) of the receiving device to on only in the at least the subset of the operating bandwidth; send an initial control frame (ICF) using the operating bandwidth; identify an initial control response (ICR) received, based on the ICF and based on the OBSS frame having used the at least the subset of the operating bandwidth; send an in-basic service set (in-BSS) transmission; and identify an acknowledgement to the in-BSS transmission.

3. 发明公开

US20240048269A1 APPARATUS, SYSTEM, AND METHOD OF A PRE FORWARD ERROR CORRECTION (FEC) (PRE-FEC) PADDING 审中-公开
公开(公告)号：US20240048269A1
公开(公告)日：2024-02-08
申请号：US18459185
申请日：2023-08-31
申请人： Juan Fang , Robert Stacey , Qinghua Li , Danny Alexander , Shlomi Vituri , Thomas J. Kenney , Shahrnaz Azizi
发明人： Juan Fang , Robert Stacey , Qinghua Li , Danny Alexander , Shlomi Vituri , Thomas J. Kenney , Shahrnaz Azizi
IPC分类号： H04L1/00
CPC分类号： H04L1/0042 , H04L1/0057 , H04L1/0003 , H04L1/0009
摘要： For example, a wireless communication Station (STA) may be configured to determine a data field processing setting for a data field of a Physical Layer (PHY) Protocol Data Unit (PPDU) such that a padding parameter value corresponding to the data field processing setting does not exceed a padding parameter threshold, wherein the data field processing setting includes at least one of a Modulation and Coding Scheme (MCS) index or a channel Bandwidth (BW) setting, wherein the padding parameter value corresponding to the data field processing setting is based on a number of pre Forward Error Correction (FEC) (pre-FEC) pad bits according to the data field processing setting; and to encode the data field according to a FEC coding using the number of pre-FEC pad bits according to the data field processing setting.

4. 发明公开

US20230148403A1 PREAMBLE FOR EXTENDED RANGE (ER) PPDU TRANSMISSION OVER WIDE CHANNEL BANDWIDTHS 审中-公开
公开(公告)号：US20230148403A1
公开(公告)日：2023-05-11
申请号：US18071811
申请日：2022-11-30
申请人： Juan Fang , Qinghua Li , Po-Kai Huang , Thomas J. Kenney , Robert J. Stacey
发明人： Juan Fang , Qinghua Li , Po-Kai Huang , Thomas J. Kenney , Robert J. Stacey
IPC分类号： H04L5/00 , H04L25/02
CPC分类号： H04L5/0048 , H04L5/0064 , H04L25/0202 , H04L5/006
摘要： A physical layer protocol data unit (PPDU) may include legacy preamble fields followed by a universal signal field (U-SIG). For an extended range (ER) transmission, the U-SIG is encoded to indicate via a bit whether the PPDU is an ER PPDU or a non-ER PPDU. When the U-SIG is encoded to indicate that the PPDU is an ER PPDU, the PPDU may include ER preamble fields following the U-SIG and an ER data field following the ER preamble fields. The ER preamble fields may comprise pre-ER modulated fields followed by ER modulated fields. The pre-ER modulate fields may comprise an ER short training field (ER-STF) followed by an ER long training field (ER-LTF) followed by an ER signal field (ER-SIG). The ER modulated fields may comprise at least the ER data field.

5. 发明申请

US20230096482A1 PRIORITIZED ACCESS FOR PPDU RETRANSMISSIONS AFTER A COLLISION 有权
公开(公告)号：US20230096482A1
公开(公告)日：2023-03-30
申请号：US18073756
申请日：2022-12-02
申请人： Laurent Cariou , Thomas J. Kenney
发明人： Laurent Cariou , Thomas J. Kenney
IPC分类号： H04W74/08
摘要： Embodiments disclosed herein provide favored channel access for STAs whose transmissions have failed or collided. After a first collision or transmission failure, a STA receives prioritized access in order to re-transmit a PPDU. If an initial transmission of the PPDU is unsuccessful (e.g., the initial transmission fails or if the PPDU collides with another transmission), for retransmission of the PPDU, the STA may update the EDCA parameters to EDCA parameters for prioritized access, may determine a backoff for accessing the wireless medium, and may retransmit the PPDU based on the EDCA parameters for prioritized access (i.e., using the updated EDCA parameters). The EDCA parameters for prioritized access may be configured to give the STA a higher probability of accessing the wireless medium for a PPDU retransmission than use of the initial EDCA parameters.

6. 发明申请

US20220116944A1 TRIGGER WITH MULTIPLE START TIMES 有权
公开(公告)号：US20220116944A1
公开(公告)日：2022-04-14
申请号：US17556427
申请日：2021-12-20
申请人： Laurent Cariou , Thomas J. Kenney
发明人： Laurent Cariou , Thomas J. Kenney
IPC分类号： H04W72/04 , H04W74/08
摘要： Methods, apparatuses, and computer readable media for trigger frames or transmission opportunities with multiple start times and delayed uplink start are disclosed. Apparatuses of a station (STA) are disclosed, where the apparatuses comprise processing circuitry configured to decode a trigger frame, the trigger frame indicating a time allocation of a plurality of time allocations and indicating a resource unit (RU) for an uplink transmission for the STA. The processing circuitry is further configured to: encode an uplink (UL) trigger-based (TB) physical (PHY) protocol data unit (PPDU) in accordance with the time allocation and the RU and configure the STA to transmit the UL TB PPDU on the RU during the time allocation. Trigger frames are disclosed that include indications of multiple time allocations for multiple RUs where the STAs are permitted to use delayed transmissions or random access within the time allocations.

7. 发明申请

US20210067976A1 SIGNALING TO AVOID IN-CHANNEL AND ADJACENT CHANNEL INTERFERENCE 有权
公开(公告)号：US20210067976A1
公开(公告)日：2021-03-04
申请号：US17096853
申请日：2020-11-12
申请人： Laurent Cariou , Bahareh Sadeghi , Thomas J. Kenney
发明人： Laurent Cariou , Bahareh Sadeghi , Thomas J. Kenney
IPC分类号： H04W16/14 , H04W74/08 , H04W72/08 , H04W24/10 , H04W84/12
摘要： This disclosure describes systems, methods, and devices related to in-channel and adjacent channel interference avoidance. The device may perform a clear channel assessment (CCA) measurement on a portion of a second operating channel, wherein the portion shares a contiguous edge with a first operating channel that is adjacent to the second operating channel. The device may detect an energy on the portion of the second operating channel based on the CCA measurement. The device may compare the detected energy to an energy detection (ED) threshold. The device may determine to communicate on the second operating channel based on the comparison of the energy to the ED threshold.

8. 发明申请

US20200177319A1 ENHANCED HYBRID AUTOMATIC REPEAT REQUEST FOR WIRELESS COMMUNICATIONS 审中-公开
公开(公告)号：US20200177319A1
公开(公告)日：2020-06-04
申请号：US16784024
申请日：2020-02-06
申请人： Laurent Cariou , Xiaogang Chen , Po-Kai Huang , Feng Jiang , Thomas J. Kenney , Qinghua Li , Robert Stacey
发明人： Laurent Cariou , Xiaogang Chen , Po-Kai Huang , Feng Jiang , Thomas J. Kenney , Qinghua Li , Robert Stacey
IPC分类号： H04L1/18 , H04L1/00 , H04W80/02 , H04W84/12
摘要： This disclosure describes systems, methods, and devices related to an enhanced hybrid automatic repeat request (HARQ). A device may determine two or more HARQ medium access control (MAC) frames. The device may determine a difference between a first number of bits of a physical layer (PHY) codeword and a second number of bits of a first HARQ MAC frame of the two or more HARQ MAC frames. The device may generate, based on the difference, a third number of bits, wherein the first number of bits is equal to a sum of the second number of bits and the third number of bits. The device may generate an aggregated MAC frame comprising the first HARQ MAC frame, the third number of bits, and a second HARQ MAC frame of the two or more HARQ MAC frames. The device may send the aggregated MAC frame.

9. 发明申请

US20190281548A1 WAKE UP RECEIVER TRANSMIT WAVEFORM 审中-公开
公开(公告)号：US20190281548A1
公开(公告)日：2019-09-12
申请号：US16422091
申请日：2019-05-24
申请人： Vinod Kristem , Shahrnaz Azizi , Thomas J. Kenney , Po-Kai Huang
发明人： Vinod Kristem , Shahrnaz Azizi , Thomas J. Kenney , Po-Kai Huang
IPC分类号： H04W52/02 , H04L27/06
摘要： This disclosure describes systems, methods, and devices related to generating a wake up receiver (WUR) transmit waveform. A device may determine one or more symbols bit sequence of a wake up receiver (WUR) frame to be sent to a first station device capable of decoding the bit sequence. The device may determine a first symbol of the one or more symbols, wherein the first symbol is associated with an ON state. The device may determine a second symbol of the one or more symbols, wherein the second symbol is associated with the ON state. The device may generate a first on-off keying (OOK) waveform associated with the first symbol. The device may generate a second OOK waveform associated with the second symbol, wherein the second OOK waveform is different from the first OOK waveform. The device may cause to send the WUR frame to the first station device based on the first OOK waveform and the second OOK waveform.

10. 发明申请

US20190261352A1 METHODS FOR VEHICULAR COMMUNICATION IN ACCORDANCE WITH CO-EXISTENCE BETWEEN NEXT GENERATION VEHICLE-TO-EVERYTHING (NGV) DEVICES AND LEGACY DEVICES 审中-公开
公开(公告)号：US20190261352A1
公开(公告)日：2019-08-22
申请号：US16403046
申请日：2019-05-03
申请人： Laurent Cariou , Bahareh Sadeghi , Thomas J. Kenney
发明人： Laurent Cariou , Bahareh Sadeghi , Thomas J. Kenney
IPC分类号： H04W72/04 , H04W4/40 , H04L29/08 , H04L5/00
摘要： Embodiments of a Next Generation Vehicle-to-Everything (NGV) station (STA) and method of communication are generally described herein. The NGV STA may encode a physical layer convergence procedure (PLCP) protocol data unit (PPDU) for transmission in a dedicated short-range communication (DSRC) frequency band allocated for vehicular communication by NGV STAs and legacy STAs. In some cases, the NGV STA may encode the PPDU in accordance with an NGV enhanced physical (PHY) layer protocol, and includes usage of a mid-amble, space-time block coding (STBC), or low-density parity check (LDPC) coding. In other cases, the NGV STA may encode the PPDU in accordance with a legacy PHY layer protocol that is compatible with the legacy STAs, and excludes usage of the mid-amble, the STBC, and the LDCP coding.

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