By Su-Khiong Yong
This e-book addresses 60 GHz know-how for Gbps WLAN and WPAN from thought to perform, protecting key features for profitable deployment.
during this ebook, the authors concentration particularly on 60 GHz instant know-how which has emerged because the so much promising candidate for multi-gigabit instant indoor conversation structures. 60 GHz know-how bargains a number of merits over present or current communications platforms (e.g. large unlicensed bandwidth world wide, excessive transmit strength, excessive frequency reuse and small shape factor), which allows many disruptive functions which are in a different way tricky if now not most unlikely to be learned at reduce frequencies. The publication addresses all features of the cutting-edge in 60 GHz know-how for top information fee instant applications.
Key beneficial properties:
- Comprehensive insurance from concept to perform: offers readers with an intensive technical consultant of 60 GHz expertise improvement
- Brings jointly the total region of 60GHz expertise for Gigabits in step with moment (Gbps) WLAN and WPAN purposes.
- Discusses useful method designs protecting large features equivalent to antenna propagation, beamforming, circuit layout, electronic conversation, sign processing, procedure architectures, and so on.
- Provides up to date standardization actions, regulatory concerns, expertise improvement in addition to destiny traits
- Includes examples and case stories for useful situations
- Contains theoretical, simulation and experimental effects to illustrate and examine the functionality of assorted schemes (or platforms)
This ebook serves as an outstanding reference for approach engineers, procedure architects, IC designers, common engineers, researchers, and seller and producer shoppers. Technical specialists, software program and alertness builders also will locate this e-book of interest.
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Extra info for 60GHz Technology for Gbps WLAN and WPAN: From Theory to Practice
9) where σφ is the standard deviation. UWB measurements and spatial modeling reported in  also proposed that Laplacian distribution can be used to model the AoA information in a wideband channel. Similarly, the AoD can also be modeled using the appropriate pdf but unfortunately no such 60 GHz measurement and modeling are available to date to characterize the AoD. 10) where E[·] and | · | denote the expectation and absolute value, respectively. 11) where P (t), P (φ) and P (θ) are the power delay spectrum (PDS), power AoA spectrum (PAAS), and power AoD spectrum (PADS), respectively.
4) is that the spatial and temporal domains are independent and thus uncorrelated. However, measurement results in  have shown a correlation between these two domains, which can be modeled by two joint pdfs. 4) will experience distortions due to the frequency dependence of the scatterers . Both the frequency dependence and correlation of spatial and temporal domains are so far not taking into consideration in any 60 GHz channel model due to lack of measurement results. 4) can be assumed to remain approximately static over tens to thousands of symbols.
UEP can be achieved in both PHY and MAC layers. UEP at PHY protects the most signiﬁcant bit (MSB) and least signiﬁcant bit (LSB) in a subframe unequally by applying different coding and/or constellation mapping. On the other hand, UEP at MAC protects an aggregated frame which consists of MSB subframes, LSB subframes, or both MSB and LSB subframes, by using either different forward error corrections or different modulation and coding schemes. We will revisit the UEP PHY and MAC in more detail in Chapters 5 and 9, respectively.