Method and system for direct mode communication within a talkgroup
CR Ruelke, RJ Corke, B LoGalbo - US Patent 9,578,469, 2017 - Google Patents
(57) ABSTRACT A method and system for direct mode operation (DMO) of a talkgroup
enables device to device (D2D) DMO operation leveraged from a Land Mobile Radio (LMR) …
enables device to device (D2D) DMO operation leveraged from a Land Mobile Radio (LMR) …
自编码和超混沌映射相结合的图像加密算法
赵锋， 吴成茂 - 计算机辅助设计与图形学学报, 2016 - jcad.cn
为了提高图像加密结果的安全性, 提出一种自编码, 混沌和超混沌相结合的图像加密算法.
该算法利用主控密钥确定改进的离散Henon 映射参数, 并经多次迭代产生图像大小的中间密钥 …
该算法利用主控密钥确定改进的离散Henon 映射参数, 并经多次迭代产生图像大小的中间密钥 …
Informed source location and DOA estimation using acoustic room impulse response parameters
This paper investigates sound source localisation using an ad-hoc microphone array, where
the microphones arbitrarily distributed in a room without knowledge of their locations. The …
the microphones arbitrarily distributed in a room without knowledge of their locations. The …
Chip-interleaved self-encoded multiple access with iterative detection in fading channels
YS Kim, WM Jang, Y Kong… - … of Communications and …, 2007 - ieeexplore.ieee.org
We propose to apply chip interleaving and iterative detection to self-encoded multiple
access (SEMA) communications. In SEMA, the spreading code is obtained from user bit …
access (SEMA) communications. In SEMA, the spreading code is obtained from user bit …
[PDF][PDF] A real orthogonal space-time coded UWB scheme for wireless secure communications
Y Zhang, H Dai - EURASIP Journal on Wireless Communications and …, 2009 - Springer
Recent research reveals that information security and information-hiding capabilities can be
enhanced by proper exploitation of space-time techniques. Meanwhile, intrinsic properties of …
enhanced by proper exploitation of space-time techniques. Meanwhile, intrinsic properties of …
Capacity analysis of m-user self-encoded multiple access system in AWGN channels
WM Jang, L Nguyen - 2000 IEEE Sixth International …, 2000 - ieeexplore.ieee.org
Self-encoded spread spectrum eliminates the need for traditional transmit and receive PN
code generators. The enhanced transmission security arises from the stochastic nature of …
code generators. The enhanced transmission security arises from the stochastic nature of …
Self-encoded TH-PPM UWB system with iterative detection
YS Kim, WM Jang, L Nguyen - IEICE transactions on …, 2007 - search.ieice.org
In this paper, we apply iterative detection to typical time hopping (TH) pulse position
modulation (PPM) ultra wideband (UWB) spread spectrum systems. Unlike a typical TH-PPM …
modulation (PPM) ultra wideband (UWB) spread spectrum systems. Unlike a typical TH-PPM …