href="#ulink_f7b5ca32-a6bd-5925-aadb-f6f0f1daf64a">Figure 1.1 Communication model used in this chapter, referred to as a collisio...
Figure 1.2 Illustration of two essential wireless features captured by the col...Figure 1.3 The problem of first contact when the mobile device Zoya is in the ...Figure 1.4 Rendezvous protocol for Zoya and Yoshi where both of them use half-...Figure 1.5 Downlink time division multiple access (TDMA). (a) Periodic equal a...Figure 1.6 Introduction of a header in the TDMA frame. (a) Periodic TDMA syste...Figure 1.7 Illustration of several ingredients required in a simple wireless T...Figure 1.8 Uplink transmission with a reservation frame. (a) Case when the all...Figure 1.9 Overlapped downlink and uplink frame for a full-duplex base station... 2 Chapter 2Figure 2.1 Canonical scenario for random access protocols, where a number of u...Figure 2.2 An example of random access with probing. (a) Representation with a...Figure 2.3 A simple scenario for sharing the wireless spectrum between two col...Figure 2.4 Illustration of randomized spectrum sharing between two interfering...Figure 2.5 Transmission of a feedback packet from Yoshi to Zoya for (a) a sl...Figure 2.6 Different multi-hop configurations that can arise if not all nodes ...
3 Chapter 3Figure 3.1 Zoya and Xia communicate simultaneously with Basil. The left side d...Figure 3.2 Enhanced communication model with a strong and weak region. (a) Dep...Figure 3.3 Communication system with a strong/weak region around the base stat...Figure 3.4 Illustration of the use of SIC in the collision model. (a) Collisio...Figure 3.5 Strategies for communication in a collision channel without feedbac...
4 Chapter 4Figure 4.1 Introducing layering for a one-way wireless link. (a) Diagram of a ...Figure 4.2 Illustration of how layering deals with packets that can get out of...Figure 4.3 A simple layered model for two-way communication. Note that the arr...Figure 4.4 Packet exchange when the black box of the lower layer provides (a) ...Figure 4.5 An example of a layered structure for multiple terminals sending da...Figure 4.6 Scenario in which Zoya can establish a multi-hop connection to Xia....Figure 4.7 Protocol stacks: OSI versus TCP/IP.Figure 4.8 Example of clustered wireless networks. Each car represents a clust...Figure 4.9 Illustration of the points of convergence in different types of sys...Figure 4.10 A primer on wireless slicing for two services, broadband and low l...
5 Chapter 5Figure 5.1 A look inside the black boxes of the TXmodule and RXmodule. TXbaseb...Figure 5.2 Effect of the additive noise complex baseband symbols. (a) Three di...Figure 5.3 The QPSK constellation. All constellation points lie on a circle su...Figure 5.4 Bit-to-symbol mapping for two constellations of power
. (a) BPSK. ...Figure 5.5 (a) The noise cloud is a circle in two dimensions and becomes an in...Figure 5.6 Higher-order constellations. Axis labels: I (in-phase) and Q (quadr...Figure 5.7 Received constellation from two interfering transmitters, each usin...Figure 5.8 Curves of the goodput
for three different modulations BPSK, QPSK,...Figure 5.9 Three superposed packets with powers
, and
, while
is the ...Figure 5.10 Received constellations of Zoya and Xia when Basil broadcasts two ...Figure 5.11 Illustration of non-coherent communication with linear sub-spaces....
6 Chapter 6Figure 6.1 The general model of communication system considered by Shannon.Figure 6.2 Three baseband communication channels between Xia and Yoshi with ad...Figure 6.3 Distribution of the received/output signal at Yoshi's side...Figure 6.4 Creating digital channels from Xia to Yoshi by using BPSK or QPSK m...Figure 6.5
-QAM constellation with Gray mapping.Figure 6.6 Difference between Gray mapping and the bit-to-symbol mapping obtai...Figure 6.7 Layered representation of communication channels.Figure 6.8 The binary erasure channel where Yoshi knows for sure if an error h...Figure 6.9 Layered model for asynchronous packet transmission.Figure 6.10 An illustration of the frame synchronization problem with packets ...Figure 6.11 Description of the channel with ternary inputs and outputs, where ...
7 Chapter 7Figure 7.1 Binary symmetric channel (BSC) between Xia and Yoshi and three chan...Figure 7.2 Comparison of the normalized goodput
for each of the four communi...Figure 7.3 Expected number of erased symbols for the
-channel and the
-chann...Figure 7.4 The main plot in error correction coding. (a) The original communic...Figure 7.5 Representation of coding and modulation as a concatenation of two c...Figure 7.6 Example of a trellis code with two states. On the left is the trell...Figure 7.7 Comparison of full and partial retransmission. In both cases the pa...
8 Chapter 8Figure 8.1 Entropy of a binary random variable with probability of
equal to Figure 8.2 Diagram of the source coding problem.Figure 8.3 Communication through a Z-channel. (a) Z-channel with perfectly rel...Figure 8.4 Two wireless communication setups for interpretation of mutual info...Figure 8.5 Illustration of data processing inequality for a layered communicat...Figure 8.6 Illustration of water filling for two channels, where channel
is ...Figure 8.7 Water filling in fading channels with known CSI at the transmitter....Figure 8.8 Representation of the good and the bad states for a binary channel ...Figure 8.9 Equivalent representation of the channel with two states, when the ...Figure 8.10 Illustration of the equivalent fast fading channel between Xia and...
9 Chapter 9Figure 9.1 A simple example that illustrates how to create a discrete communic...Figure 9.2 (a) The periodic waveform with a period of
sent by Zoya. (b) Yosh...Figure 9.3 Zoya uses the frequency
to transmit the complex symbol
at time Figure 9.4 Number of channel uses in a given bandwidth
. Each vertical arrow ...Figure 9.5 Interference between signals with different frequencies. (a) Observ...Figure 9.6 Signals with finite duration and the Fourier Transform. (a) Possibl...Figure 9.7 Illustration of chip synchronous, but not symbol synchronous, trans...Figure 9.8 An illustration
