Architectural trends in military satellite communications systems

Jain, P. C.

doi:10.1109/5.56931

Cited by 12 publications

(3 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Figure 2 shows the relative angles of the jammer/interceptor and the victim communicator on the position (0, 0, R) tilted with the line of sight of the victim communicators, by which they will get the advantages of the victim antenna pattern (mainlobe) to enhance their jamming or interception effects. The well-known parabolic antenna power gain G o (D) and pattern G(ϕ) are given as follows [19]:…”

Section: System Modelmentioning

confidence: 99%

Secure Communications System Through Concurrent AJ and LPD Evaluation

Liao

Tsay

Lee

2008

Wireless Pers Commun

View full text Add to dashboard Cite

In this paper, a systematic approach and their corresponding metrics for concurrent anti-jamming (AJ) and low probability of detection (LPD) performance evaluations of a secure communications system are investigated. In general, it is necessary to deal simultaneously with adversary threats of both active jamming and passive detection for a secure communications system concern. For independent or concurrent AJ and LPD performance evaluations, a single varying paired and multiple paired fixed collocated jammers/interceptors scenario is explored with real sinc type (sin(x)/x) antenna patterns being considered for the communicators. The error probability with both AJ and LPD being considered simultaneously can be derived as system-and geometry-dependent factors and categorized as system metrics related to jammers, interceptors, and communicators themselves only. Whenever multiple collocated jammers/interceptors are considered, we can observe interesting "smoothed" effects for bit energy to jamming density ratio (E b /J o ), when one of these varying jammers/interceptors is approaching or receding. In addition, by means of these system metrics, it is intuitive and straightforward to enhance system performance for the victim or to deteriorate system performance for the adversary, respectively. Moreover, the proposed approach and metrics have also paved one practical way for the developments of the latest emphasized cognitive radio (CR) communications systems, if all the collocated jammers/interceptors on the proposed scenario are replaced with "cooperative" communicators.

show abstract

Section: System Modelmentioning

confidence: 99%

Secure Communications System Through Concurrent AJ and LPD Evaluation

Liao

Tsay

Lee

2008

Wireless Pers Commun

View full text Add to dashboard Cite

show abstract

“…Jammer/interceptor will get the advantages of the victim antenna pattern (mainlobe) to enhance their jamming or interception effects if the relative angles of the jammer/interceptor and the victim communicator on the position (0, 0, R) are tilted with the line of sight of the victim communicators themselves. The well-known parabolic antenna power gain G o (D) and pattern G(φ) are given as follows (Jain, 1990)…”

Section: System Analysis Scenariomentioning

confidence: 99%

Advances in Cognitive Radio Systems

Wang¹,

Mitola²

2012

View full text Add to dashboard Cite

“…Whenever the jamming and interception range is very far away from the victims, e.g., a GEO satellite, the interceptor and jammer will also get the advantage of the main beam gain of the victim communicator on the position (0, 0, R) relatively easier, if no antenna shaping or nulling pattern designs are taken. (Jain, 1990) …”

Section: System Analysis Scenariomentioning

confidence: 99%