By Y.-W. Peter Hong, Pang-Chang Lan, C.-C. Jay Kuo
This e-book introduces a variety of sign processing techniques to reinforce actual layer secrecy in multi-antenna instant structures. instant actual layer secrecy has attracted a lot cognizance lately end result of the broadcast nature of the instant medium and its inherent vulnerability to eavesdropping. whereas such a lot articles on actual layer secrecy specialise in the information-theoretic point, we concentration in particular at the sign processing elements, together with beamforming and precoding concepts for information transmission and discriminatory education schemes for channel estimation. The discussions will disguise instances with collocated and with allotted antennas, i.e., relays. the themes lined might be of curiosity to researchers within the sign processing neighborhood to boot to practitioners and engineers operating during this region. This e-book also will evaluation fresh works that follow those sign processing ways to extra complicated instant platforms, equivalent to OFDM platforms, multicell platforms, cognitive radio, multihop networks and so forth. it will draw curiosity from researchers that desire to pursue the subject extra in those new instructions.
This ebook is split into 3 components: (i) info transmission, (ii) channel estimation and (iii) complex purposes. although many works exist within the literature on those themes, the techniques and views taken have been mostly diversified. This ebook presents a extra geared up and systematic view of those designs and to put an effective beginning for destiny paintings in those components. in addition, through featuring the paintings from a sign processing viewpoint, this e-book also will set off extra study curiosity from the sign processing group and additional enhance the sphere of actual layer secrecy alongside the defined instructions.
This publication permits readers to realize uncomplicated figuring out of works on actual layer secrecy, wisdom of the way sign processing recommendations might be utilized to this quarter, and the applying of those ideas in complicated instant applications.
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Additional info for Signal Processing Approaches to Secure Physical Layer Communications in Multi-Antenna Wireless Systems
If instantaneous knowledge of the destination’s channel is available at the source, power allocation can also be adapted to the realization of hd . 3 Secrecy Beamforming and Precoding with Artificial Noise 49 in this chapter. Readers are referred to  for further discussions on the design of adaptive power control strategies. To derive the power allocation, let us consider the secrecy capacity lower bound which is obtained by assuming that the reception at the eavesdropper is noiseless. In this case, the received signal at the eavesdropper can be written as z = He (fu + a) = Ps He The equivalent noise is now given by v given by Kv = σa2 He In s − hdH hd hd hd hdH u+v .
Oggier F, Hassibi B (2011) The secrecy capacity of the MIMO wiretap channel. IEEE Trans Inf Theory 57(8):4961–4972 16. Bustin R, Liu R, Poor HV, Shamai (Shitz) S (2009) An MMSE approach to the secrecy capacity of the MIMO Gaussian wiretap channel. EURASIP J Wirel Commun Netw 17. Liang Y, Kramer G, Poor HV, Shamai (Shitz) S (2009) Compound wiretap channels. EURASIP J Wirel Commun Netw 2009:1–12 18. Liu T, Prabhakaran V, Vishwanath S (2008) The secrecy capacity of a class of parallel Gaussian compound wiretap channels.
IEEE Trans Inf Theory 56(11):5515–5532 15. Oggier F, Hassibi B (2011) The secrecy capacity of the MIMO wiretap channel. IEEE Trans Inf Theory 57(8):4961–4972 16. Bustin R, Liu R, Poor HV, Shamai (Shitz) S (2009) An MMSE approach to the secrecy capacity of the MIMO Gaussian wiretap channel. EURASIP J Wirel Commun Netw 17. Liang Y, Kramer G, Poor HV, Shamai (Shitz) S (2009) Compound wiretap channels. EURASIP J Wirel Commun Netw 2009:1–12 18. Liu T, Prabhakaran V, Vishwanath S (2008) The secrecy capacity of a class of parallel Gaussian compound wiretap channels.