By Jelena Misic, Vojislav B. Misic
Before, builders and researchers drawn to the layout, operation, and function of Bluetooth networks have lacked advice approximately power solutions and the relative benefits and downsides of functionality ideas.
Performance Modeling and research of Bluetooth Networks: Polling, Scheduling, and site visitors Control summarizes the learn at the functionality of Bluetooth networks, together with either piconets and scatternets, carried out in view that 2001. The publication presents insights into the functionality of Bluetooth networks via an analytical technique dependent upon queuing concept and discrete occasion simulation. It additionally proposes and validates recommendations for universal difficulties that aren't lined through the respectable Bluetooth standards.
This quantity permits builders and researchers to counterpoint their wisdom of functionality concerns and develop into greater outfitted to resolve difficulties on the topic of the layout, deployment, and operation of Bluetooth networks.
Read or Download Performance modeling and analysis of Bluetooth networks : polling, scheduling, and traffic control PDF
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Before, builders and researchers attracted to the layout, operation, and function of Bluetooth networks have lacked advice approximately strength solutions and the relative benefits and drawbacks of functionality suggestions. functionality Modeling and research of Bluetooth Networks: Polling, Scheduling, and site visitors keep an eye on summarizes the learn at the functionality of Bluetooth networks, together with either piconets and scatternets, carried out considering the fact that 2001.
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Additional info for Performance modeling and analysis of Bluetooth networks : polling, scheduling, and traffic control
F kd l=0 = 1 d kd V ∗ (λiu − λiu G b (z)) kd ! dz kd i z=0 Note that Fis∗ (λiu − λiu G b (z)) and Vi∗ (λiu − λiu G b (z)) denote the PGFs for the number of packet arrivals in the uplink queue during the frame time and vacation time, respectively: ∞ A F,u (z) = = A V,u (z) = = ∞ ak u z k u = ku =0 Fis∗ (λiu ∞ ku =0 ku =0 Vi∗ (λiu ku =0 z uk d ku F ∗ (λiu − λiu G b (z)) ku ! dz ku is − λiu G b (z)) ∞ z ku d ku f ku z ku = V ∗ (λiu − λiu G b (z)) ku ! 22) z=0 − λiu G b (z)) Similar expressions hold for the number of arrivals in the downlink queue.
Under the E-limited service polling, the master stays with a slave until there are no more packets to exchange, or for a fixed number M of frames (M > 1), whichever comes first. ) Packets that arrive during the master’s visit are allowed to enter the uplink queue at the slave, and may even be serviced – provided the total limit of M frames per master’s visit is not exceeded [Takagi, 1991]. , 2001; Lee, Kapoor and Gerla, 2002]. In this case, the piconet cycle can last at most 2M(m − 1) packets. In fact, 1-limited and exhaustive service polling may be considered as special cases of E-limited service, where the limit M equals 1 and ∞, respectively.
M continued on next page . . 27) i,1 (0, w) = © 2006 by Taylor & Francis Group, LLC. . 27), we find i,1 (0, w) . . i,M (0, w) and Q i (0, w). In an analogous fashion, we can find i,1 (z, 0) . . i,M (z, 0) and Q i (z, 0) as functions of i,(µ) i . For clarity, we introduce additional substitutions: π0,0 , µ = 1 . . M, and q0,0 i (1 − z − w) Q 0 (z, w) = (1 − w)Q i (z, 0) + (1 − z)Q i (0, w) − q0,0 µ,0 (z, w) = (1 − w) i,µ (z, 0) i,(µ) +(1 − z) i,µ (0, w)π0,0 (1 − z − w), µ = 1 .. 26) becomes Fis∗ (λiu − λiu G b (z))Fis∗ (λid − λid G b (w)) zw · (Q i (z, w) − Q 0 (z, w)) Fis∗ (λiu − λiu G b (z))Fis∗ (λid − λid G b (w)) i,µ (z, w) = zw · i,µ−1 (z, w) − µ−1,0 (z, w) µ = 2 .