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2017 Vol. 39, No. 6
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2017, 39(6): 1271-1277.
doi: 10.11999/JEIT160969
Abstract:
This paper studies physical layer security of the multi-cell cellular networks, where the base stations need to perform cooperation beamforming in selected subcarriers to secure the downlink communication, and eavesdroppers with random location are i...
This paper studies physical layer security of the multi-cell cellular networks, where the base stations need to perform cooperation beamforming in selected subcarriers to secure the downlink communication, and eavesdroppers with random location are i...
2017, 39(6): 1278-1283.
doi: 10.11999/JEIT160967
Abstract:
The self-interference signal to noise ratio in digital domain decreases as the amount of RF self-interference cancellation increases in Co-time Co-frequency Full Duplex (CCFD) communications. The amount of digital self-interference cancellation decre...
The self-interference signal to noise ratio in digital domain decreases as the amount of RF self-interference cancellation increases in Co-time Co-frequency Full Duplex (CCFD) communications. The amount of digital self-interference cancellation decre...
2017, 39(6): 1284-1290.
doi: 10.11999/JEIT160839
Abstract:
Considering the differences in Quality of Service (QoS) requirements of different application classes in heterogeneous wireless networks, this paper proposes an individualization service oriented fuzzy vertical handover algorithm. The handover perfor...
Considering the differences in Quality of Service (QoS) requirements of different application classes in heterogeneous wireless networks, this paper proposes an individualization service oriented fuzzy vertical handover algorithm. The handover perfor...
2017, 39(6): 1291-1297.
doi: 10.11999/JEIT160799
Abstract:
In order to overcome the uncertainty of the reward with long-term relay incentive strategy and the degradation of resource utilization efficiency incurred by the short-term incentive scheme, a Cooperative Compound Relay Incentive (CCRI) mechanism is ...
In order to overcome the uncertainty of the reward with long-term relay incentive strategy and the degradation of resource utilization efficiency incurred by the short-term incentive scheme, a Cooperative Compound Relay Incentive (CCRI) mechanism is ...
2017, 39(6): 1298-1304.
doi: 10.11999/JEIT160745
Abstract:
The existing methods about fine classification of video traffic suffer from a couple of serious limitations: content dependency and feature dependency. Then, theory of fractals is introduced in this paper, and in wavelet domain, a classification mode...
The existing methods about fine classification of video traffic suffer from a couple of serious limitations: content dependency and feature dependency. Then, theory of fractals is introduced in this paper, and in wavelet domain, a classification mode...
2017, 39(6): 1305-1312.
doi: 10.11999/JEIT160821
Abstract:
The order of the modulation used in existing adaptive demodulation schemes is no higher than 16, and the decoding of channel codes is not taken into consideration in the analysis and design. In this paper, an adaptive demodulation algorithm used for ...
The order of the modulation used in existing adaptive demodulation schemes is no higher than 16, and the decoding of channel codes is not taken into consideration in the analysis and design. In this paper, an adaptive demodulation algorithm used for ...
2017, 39(6): 1313-1318.
doi: 10.11999/JEIT160918
Abstract:
With the development of satellite communication technology, the demand for communication capacity is increasing. Broadening existing communication bandwidth is a key technology of satellite communication antenna. In order to extend the C band satelli...
With the development of satellite communication technology, the demand for communication capacity is increasing. Broadening existing communication bandwidth is a key technology of satellite communication antenna. In order to extend the C band satelli...
2017, 39(6): 1319-1325.
doi: 10.11999/JEIT160877
Abstract:
This paper introduces the cross-terms in Wigner-Ville distribution to explore the time-frequency mechanism and regular of interaction between Prolate Spheroidal Wave Function (PSWF). By establishing the relationship between time-frequency characteris...
This paper introduces the cross-terms in Wigner-Ville distribution to explore the time-frequency mechanism and regular of interaction between Prolate Spheroidal Wave Function (PSWF). By establishing the relationship between time-frequency characteris...
2017, 39(6): 1326-1332.
doi: 10.11999/JEIT160776
Abstract:
Based on ray tracing, a real-time method of tropospheric scatter slant delay estimation is proposed to estimate the low-elevation tropospheric delay in the absence of meteorological data. The model uses the UNB3m model to obtain atmospheric meteorolo...
Based on ray tracing, a real-time method of tropospheric scatter slant delay estimation is proposed to estimate the low-elevation tropospheric delay in the absence of meteorological data. The model uses the UNB3m model to obtain atmospheric meteorolo...
2017, 39(6): 1333-1339.
doi: 10.11999/JEIT160750
Abstract:
To solve the problem of time-frequency interference existing in the multicomponent Polynomial Phase Signal (mc-PPS) Wigner-Ville distribution, a new time-frequency analysis method based on the multi-scale Chirplet sparse decomposition and Wigner-Vill...
To solve the problem of time-frequency interference existing in the multicomponent Polynomial Phase Signal (mc-PPS) Wigner-Ville distribution, a new time-frequency analysis method based on the multi-scale Chirplet sparse decomposition and Wigner-Vill...
2017, 39(6): 1340-1347.
doi: 10.11999/JEIT160921
Abstract:
In order to improve underdetermined wideband signals DOA estimation accuracy under low Signal to Noise Ratio (SNR) condition, an off-grid sparse learning via iterative minimization algorithm is proposed. Firstly, the novel algorithm vectorizes the co...
In order to improve underdetermined wideband signals DOA estimation accuracy under low Signal to Noise Ratio (SNR) condition, an off-grid sparse learning via iterative minimization algorithm is proposed. Firstly, the novel algorithm vectorizes the co...
2017, 39(6): 1348-1354.
doi: 10.11999/JEIT160825
Abstract:
To solve the phase-difference ambiguity problem in Ultra-Short BaseLine (USBL) underwater acoustic positioning systems, an ambiguity resolution and localization method based on Multiple Classifier Fusion (MCF) is proposed. Firstly, the multiple class...
To solve the phase-difference ambiguity problem in Ultra-Short BaseLine (USBL) underwater acoustic positioning systems, an ambiguity resolution and localization method based on Multiple Classifier Fusion (MCF) is proposed. Firstly, the multiple class...
2017, 39(6): 1355-1362.
doi: 10.11999/JEIT160727
Abstract:
The receiver array of matched field processing usually needs to cover the whole water column, such a large arrangement of array hinders its application seriously. To overcome this shortcoming, an approach called matched field processing based on leas...
The receiver array of matched field processing usually needs to cover the whole water column, such a large arrangement of array hinders its application seriously. To overcome this shortcoming, an approach called matched field processing based on leas...
2017, 39(6): 1363-1370.
doi: 10.11999/JEIT160892
Abstract:
In order to achieve spatial cognition and autonomous navigation, enlightened by the mechanism for biological navigation, a bio-inspired goal-directed navigation model based on a multi-scale spatial representation is proposed. First, a place cell map ...
In order to achieve spatial cognition and autonomous navigation, enlightened by the mechanism for biological navigation, a bio-inspired goal-directed navigation model based on a multi-scale spatial representation is proposed. First, a place cell map ...
2017, 39(6): 1371-1378.
doi: 10.11999/JEIT160888
Abstract:
The main drawback of sparse representation based Single Channel Blind Source Separation (SCBSS) is the interference between sub-dictionaries. To alleviate this drawback, an extra sub-dictionary, named common sub-dictionary, is proposed to add into tr...
The main drawback of sparse representation based Single Channel Blind Source Separation (SCBSS) is the interference between sub-dictionaries. To alleviate this drawback, an extra sub-dictionary, named common sub-dictionary, is proposed to add into tr...
2017, 39(6): 1379-1386.
doi: 10.11999/JEIT160786
Abstract:
To solve the problems about noise sensitivity and unclosed segmentation object boundaries in Fuzzy C-means Method (FCM), this paper proposes a fast image segmentation model combined with FCM and curve evolution, based on the pseudo level set formulat...
To solve the problems about noise sensitivity and unclosed segmentation object boundaries in Fuzzy C-means Method (FCM), this paper proposes a fast image segmentation model combined with FCM and curve evolution, based on the pseudo level set formulat...
2017, 39(6): 1387-1393.
doi: 10.11999/JEIT160955
Abstract:
The star maps acquired by the ground-based cameras are susceptible to the complex background of the starry sky and thus have high noise levels. In addition, the targets in star maps are similar to the noises due to their punctate shapes. As a result,...
The star maps acquired by the ground-based cameras are susceptible to the complex background of the starry sky and thus have high noise levels. In addition, the targets in star maps are similar to the noises due to their punctate shapes. As a result,...
2017, 39(6): 1394-1400.
doi: 10.11999/JEIT160923
Abstract:
A high stability routing mechanism for the dynamic wireless Ad-hoc network is designed. Firstly, the condition of link existing between the dynamic nodes and the condition that packets can successfully transport across the link are analyzed. Based on...
A high stability routing mechanism for the dynamic wireless Ad-hoc network is designed. Firstly, the condition of link existing between the dynamic nodes and the condition that packets can successfully transport across the link are analyzed. Based on...
2017, 39(6): 1401-1408.
doi: 10.11999/JEIT160974
Abstract:
There are mismatches of transmission rates and different service classifications between optical domain and wireless domain in Wireless-Optical Broadband Access Network (WOBAN). To improve the QoS of the integration network and make full use of netwo...
There are mismatches of transmission rates and different service classifications between optical domain and wireless domain in Wireless-Optical Broadband Access Network (WOBAN). To improve the QoS of the integration network and make full use of netwo...
2017, 39(6): 1409-1416.
doi: 10.11999/JEIT160731
Abstract:
The integration of optical and wireless technologies, denoted as Fiber-Wireless (FiWi) networks, can provide not only high capacity but also flexible wireless access ability with less infrastructure deployment. Since data traffic generated in FiWi ne...
The integration of optical and wireless technologies, denoted as Fiber-Wireless (FiWi) networks, can provide not only high capacity but also flexible wireless access ability with less infrastructure deployment. Since data traffic generated in FiWi ne...
2017, 39(6): 1417-1423.
doi: 10.11999/JEIT160816
Abstract:
As the most important core technology in Content Centric Networking (CCN), caching is widely concerned . In order to improve the network performance and enhance the user satisfaction of data request, a Content-based Level and the Popularity of Cachin...
As the most important core technology in Content Centric Networking (CCN), caching is widely concerned . In order to improve the network performance and enhance the user satisfaction of data request, a Content-based Level and the Popularity of Cachin...
2017, 39(6): 1424-1431.
doi: 10.11999/JEIT160718
Abstract:
It is particularly important to estimate the geometric features of buried pipe cables in urban construction and municipal infrastructure maintenance. For this kind of subsurface thin-wire structure targets, a method for estimation of the length and o...
It is particularly important to estimate the geometric features of buried pipe cables in urban construction and municipal infrastructure maintenance. For this kind of subsurface thin-wire structure targets, a method for estimation of the length and o...
2017, 39(6): 1432-1438.
doi: 10.11999/JEIT160861
Abstract:
The radar technology used in indoor localization prefers wide bandwidth frequency modulated continuous wave for high accuracy, yet this way needs specific device and suffers from clutters. In order to reduce the bandwidth overhead, the indoor human l...
The radar technology used in indoor localization prefers wide bandwidth frequency modulated continuous wave for high accuracy, yet this way needs specific device and suffers from clutters. In order to reduce the bandwidth overhead, the indoor human l...
2017, 39(6): 1439-1445.
doi: 10.11999/JEIT160562
Abstract:
This paper proposes a least-squares registration algorithm using Time Differences Of Arrival (TDOA) and Gain Ratios Of Arrival (GROA) measurements to solve the problem of multiple moving observers passive localization under the influence of system er...
This paper proposes a least-squares registration algorithm using Time Differences Of Arrival (TDOA) and Gain Ratios Of Arrival (GROA) measurements to solve the problem of multiple moving observers passive localization under the influence of system er...
2017, 39(6): 1446-1451.
doi: 10.11999/JEIT160854
Abstract:
A dual stop band Frequency Selective Surface (FSS) in windmill-liked shape is proposed, which achieves wide Rader Cross Section (RCS) reduction by applying FSS on the ground of the dualband microstrip antenna. Each corner of the FSS is formed by comb...
A dual stop band Frequency Selective Surface (FSS) in windmill-liked shape is proposed, which achieves wide Rader Cross Section (RCS) reduction by applying FSS on the ground of the dualband microstrip antenna. Each corner of the FSS is formed by comb...
2017, 39(6): 1452-1457.
doi: 10.11999/JEIT160938
Abstract:
Since the traditional Read-Only Memory (ROM) has the problems of low density and high power consumption, a mask ROM based on diode cells and contact-programming process is proposed. With dual-trench isolation process and borderless contact scheme, th...
Since the traditional Read-Only Memory (ROM) has the problems of low density and high power consumption, a mask ROM based on diode cells and contact-programming process is proposed. With dual-trench isolation process and borderless contact scheme, th...
2017, 39(6): 1458-1463.
doi: 10.11999/JEIT160835
Abstract:
An efficient design of truly random seed generator based on SRAM Physical Unclonable Functions (PUFs) is proposed in this paper. Only the noisy cells of high min-entropy are selected to generate full entropy seeds in this design. Therefore, it can re...
An efficient design of truly random seed generator based on SRAM Physical Unclonable Functions (PUFs) is proposed in this paper. Only the noisy cells of high min-entropy are selected to generate full entropy seeds in this design. Therefore, it can re...
2017, 39(6): 1464-1471.
doi: 10.11999/JEIT160889
Abstract:
To reduce the soft error rate of the circuit, this paper proposes a low power soft error tolerant latch based on time redundancy technology. The proposed latch can fully tolerate the Single Event Upset (SEU) when particles strike on internal nodes. F...
To reduce the soft error rate of the circuit, this paper proposes a low power soft error tolerant latch based on time redundancy technology. The proposed latch can fully tolerate the Single Event Upset (SEU) when particles strike on internal nodes. F...
2017, 39(6): 1472-1478.
doi: 10.11999/JEIT160826
Abstract:
On the basis of the analysis of the structure, operation principle and mechanism of generating spurs of the charge pump, a charge pump with a low static current mismatch and a low timing mismatch is proposed. This charge pump suppresses the jitter an...
On the basis of the analysis of the structure, operation principle and mechanism of generating spurs of the charge pump, a charge pump with a low static current mismatch and a low timing mismatch is proposed. This charge pump suppresses the jitter an...
2017, 39(6): 1479-1486.
doi: 10.11999/JEIT160752
Abstract:
As the advantages of zero-current-switching and zero-voltage-switching, the LCLC resonant converters are widely used in power supplies of Travelling-Wave Tubes (TWT). However, the problems such as the reverse resonant current and the non-zero resonan...
As the advantages of zero-current-switching and zero-voltage-switching, the LCLC resonant converters are widely used in power supplies of Travelling-Wave Tubes (TWT). However, the problems such as the reverse resonant current and the non-zero resonan...
2017, 39(6): 1487-1492.
doi: 10.11999/JEIT160911
Abstract:
Planar transformers are widely used in low-voltage applications because of the advantages of low profile, high power density and excellent thermal characteristics. This paper applies the planar transformer for power supplies to Travelling-Wave Tube A...
Planar transformers are widely used in low-voltage applications because of the advantages of low profile, high power density and excellent thermal characteristics. This paper applies the planar transformer for power supplies to Travelling-Wave Tube A...
2017, 39(6): 1493-1502.
doi: 10.11999/JEIT161299
Abstract:
Given a graphG and a proper vertex coloring ofG, a 2-coloring induced subgraph ofG is a subgraph induced by all the vertices with one of two colors, a component of a 2-coloring induced subgraph is called a 2-coloring component. To make a Kempe change...
Given a graphG and a proper vertex coloring ofG, a 2-coloring induced subgraph ofG is a subgraph induced by all the vertices with one of two colors, a component of a 2-coloring induced subgraph is called a 2-coloring component. To make a Kempe change...
2017, 39(6): 1503-1514.
doi: 10.11999/JEIT161288
Abstract:
Low Density Parity Check (LDPC) codes are employed in several standards and systems, due to their Shannon limit approaching ability. However, in order to satisfy the communication systems requirements at the aspects of error correction ability, compu...
Low Density Parity Check (LDPC) codes are employed in several standards and systems, due to their Shannon limit approaching ability. However, in order to satisfy the communication systems requirements at the aspects of error correction ability, compu...
2017, 39(6): 1515-1519.
doi: 10.11999/JEIT161248
Abstract:
Based on the large scale fading channel model in antenna-array domain, this paper investigates the uplink performance for a massive MIMO system, where each antenna is equipped with one-bit Analog-to-Digital Converters (ADCs). A closed-form expression...
Based on the large scale fading channel model in antenna-array domain, this paper investigates the uplink performance for a massive MIMO system, where each antenna is equipped with one-bit Analog-to-Digital Converters (ADCs). A closed-form expression...
2017, 39(6): 1520-1524.
doi: 10.11999/JEIT160738
Abstract:
A modified Sierpinski fractal Ultra WideBand (UWB) antenna with band notch characteristic is proposed to refrain the interference from WLAN. The radiating path is the modified fourth order Sierpinski fractal structure. The bandwidth of the antenna is...
A modified Sierpinski fractal Ultra WideBand (UWB) antenna with band notch characteristic is proposed to refrain the interference from WLAN. The radiating path is the modified fourth order Sierpinski fractal structure. The bandwidth of the antenna is...
