Giuseppe Cocco

Giuseppe Cocco
University Pompeu Fabra | UPF · Department of Information and Communication Technologies (DTIC)

PhD
Information theory; satellite communications; random access networks; machine learning; IoT

About

48
Publications
10,056
Reads
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442
Citations
Citations since 2016
23 Research Items
338 Citations
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
Additional affiliations
July 2019 - present
University Pompeu Fabra
Position
  • PostDoc Position
July 2017 - June 2019
École Polytechnique Fédérale de Lausanne
Position
  • PostDoc Position
January 2014 - June 2017
German Aerospace Center (DLR)
Position
  • Project Manager
Education
October 2008 - March 2013
Universitat Politècnica de Catalunya
Field of study
  • Telecommunications engineering

Publications

Publications (48)
Conference Paper
We study the convergence in distribution of the error exponent of random codes, defined as the negative normalized logarithm of the probability of error, of both i.i.d. and constant composition ensembles over discrete memoryless channels. For a constant number of messages, the distribution of the error exponent converges to that of the minimum of a...
Article
This paper shows that the probability that the error exponent of a given code randomly generated from a pairwise-independent ensemble is smaller than a lower bound on the typical random-coding exponent tends to zero as the codeword length tends to infinity. This lower bound is known to be tight for i.i.d. ensembles over the binary symmetric channel...
Conference Paper
Full-text available
We derive a lower bound on the typical random coding (TRC) exponent of pairwise-independent codeword ensembles used over a finite-state channel (FSC) at rates below capacity. Under some conditions, we also show that the probability of selecting a code from the ensemble with an error exponent larger than our lower bound tends to one as the codeword...
Preprint
Full-text available
This paper shows that the probability that the error exponent of a given code randomly generated from a pairwise independent ensemble being smaller than a lower bound on the typical random-coding exponent tends to zero as the codeword length tends to infinity. This lower bound is known to be tight for i.i.d. ensembles over the binary symmetric chan...
Preprint
Full-text available
This paper studies the concentration properties of random codes. Specifically, we show that, for discrete memoryless channels, the error exponent of a randomly generated code with pairwise-independent codewords converges in probability to its expectation -- the typical error exponent. For high rates, the result is a consequence of the fact that the...
Conference Paper
Full-text available
For random-coding ensembles with pairwise-independent codewords, we show that the probability that the exponent of a given code from the ensemble being smaller than an upper bound on the typical random-coding exponent is vanishingly small. This upper bound is known to be tight for i.i.d. ensembles over the binary symmetric channel and for constant-...
Preprint
Full-text available
Besides being part of the Internet of Things (IoT), drones can play a relevant role in it as enablers. The 3D mobility of UAVs can be exploited to improve node localization in IoT networks for, e.g., search and rescue or goods localization and tracking. One of the widespread IoT communication technologies is Long Range Wide Area Network (LoRaWAN),...
Conference Paper
Full-text available
Besides being part of the Internet of Things (IoT), drones can play a relevant role in it as enablers. The 3D mobility of UAVs can be exploited to improve node localization in IoT networks for, e.g., search and rescue or goods localization and tracking. One of the widespread IoT communication technologies is Long Range Wide Area Network (LoRaWAN),...
Article
Machine‐to‐machine (M2M) communications being pivotal for internet of things (IoT) networks are characterized by low‐cost, low complexity, and often energy constrained terminals with low traffic duty cycle. Satellite networks provide an attractive low‐cost solution for such application, in particular when the terminals (both fixed and mobile) are d...
Article
Full-text available
Delay-constrained streaming from a moving platform is of paramount importance for applications such as the remote control of drones, where a low-delay video stream is required in order to provide visual feedback to the pilot while providing high quality video at playback. In this letter we propose a scheme based on cross-packet coding for delay-con...
Conference Paper
Full-text available
Video streaming from remotely controlled moving platforms such as drones have stringent constraints in terms of delay. In some applications such videos have to provide real-time visual feedback to the pilot with an acceptable distortion while satisfying high-quality requirements at playback. Furthermore the output rate of the source encoder require...
Article
Full-text available
We study the problem of caching optimization in heterogeneous networks with mutual interference and per-file rate constraints from an energy efficiency perspective. A setup is considered in which two cache-enabled transmitter nodes and a coordinator node serve two users. We analyse and compare two approaches: (i) a cooperative approach where each o...
Preprint
We study the problem of caching optimization in heterogeneous networks with mutual interference and per-file rate constraints from an energy efficiency perspective. A setup is considered in which two cache-enabled transmitter nodes and a coordinator node serve two users. We analyse and compare two approaches: (i) a cooperative approach where each o...
Preprint
Full-text available
We derive the sum-rate-distortion region for a generic number of successive correlated Gauss-Markov sources extending the result result by Ma and Ishwar. Furthermore, we calculate the minimum distortion achievable with a differential predictive coded modulation (DPCM) source encoder for source number t in case only the first t − k sources' reconstr...
Article
Full-text available
We present the results of the performance evaluation of polarization-time coding and soft interference cancellation in multi-beam satellite systems affected by co-channel interference in realistic setups. The standard of Broadband Global Area Network service (BGAN) has been considered as reference for the physical layer and realistic interference a...
Article
Full-text available
The increasing demand for high-rate broadcast and multicast services over satellite networks has pushed for the development of High Throughput Satellites characterized by a large number of beams (e.g., more than 100). This, together with the variable distribution of data traffic request across beams and over time, has called for the design of a new...
Article
The increasing demand for high-rate broadcast and multicast services over satellite networks has pushed for the development of High Throughput Satellites characterized by a large number of beams (e.g., more than 100). This, together with the variable distribution of data traffic request across beams and over time, has called for the design of a new...
Article
Full-text available
We present a novel scheme for Slotted ALOHA random access systems (RAS) that combines physical-layer network coding (PLNC) with multiuser detection (MUD). PLNC and MUD are applied jointly at the physical (PHY) layer in order to extract any linear combination of messages experiencing a collision within a slot. The set of combinations extracted from...
Book
Full-text available
Random access represents possibly the simplest and yet one of the best known approaches for sharing a channel among several users. Since their introduction in the 1970s, random access schemes have been thoroughly studied and small variations of the pioneering Aloha protocol have since then become a key component of many communications standards, ra...
Conference Paper
Full-text available
Small cells will play an important role in the fifth generation mobile networks. As many recent works pointed out, a significant improvement in terms of energy efficiency can be obtained if small base stations (SBSs) are provided with storage capabilities. In this paper we study the problem of caching optimization in the presence of interference wi...
Conference Paper
Full-text available
The increasing demand for high-rate broadcast and multicast services over satellite networks has pushed for the development of High Throughput Satellite (HTS) characterized by a large number of beams (e.g., more than 100). Moreover, the variable distribution of data traffic across beams and over time has called for the design of a new generation of...
Book
Modern day wireless communication systems rely heavily on the random access schemes that were originally developed in the 1970s. The pioneering Aloha protocol has become a key component of many communications standards, ranging from satellite networks to ad hoc and cellular scenarios. Recent developments, however, have seen a fundamental leap forwa...
Article
Full-text available
We study video streaming over a slow fading wireless channel. In a streaming application video packets are required to be decoded and displayed in the order they are transmitted as the transmission goes on. This results in per-packet delay constraints, and the resulting channel can be modeled as a physically degraded fading broadcast channel with a...
Article
Full-text available
We study the applicability of soft interference cancellation in the forward link of multibeam satellite systems with focus on mobile terminals. We adopt a standard currently used in commercial satellite systems as a reference. The multibeam satellite antenna radiation diagram has been generated using a physical optics reflector model while a widely...
Article
Full-text available
We study the application of random linear network coding (RLNC) for cooperative coverage extension in land mobile satellite (LMS) vehicular networks. We perform an analytical assessment of the limits of cooperation in the presence of both a satellite and a terrestrial repeater (gap-filler). Using the Max-flow Min-cut theorem we derive exact express...
Chapter
This chapter is dedicated to the application of cooperative relaying in heterogeneous land mobile satellite (LMS) systems. Vehicular terminals are considered. We focus on a Urban scenario, an environment characterized by intermittent satellite reception due to the shadowing effect of surrounding buildings. We study benefits and limits of the cooper...
Conference Paper
Full-text available
We study the applicability of soft interference cancellation in the forward link of commercial multibeam satellite systems with focus on mobile terminals. We adopt a standard currently used in commercial satellite systems as a reference. The multibeam satellite antenna radiation diagram has been generated using a physical optics reflector model, wh...
Conference Paper
Full-text available
We present a novel decoding scheme for slotted ALOHA which is based on concepts from physical-layer network coding (PNC) and multi-user detection (MUD). In addition to recovering individual user packets from a packet collision as it is usually done with MUD, the receiver applies PNC to decode packet combinations that can be used to retrieve the ori...
Conference Paper
Full-text available
We present a novel random multiple access scheme that combines joint multiuser detection (MUD) with physical-layer network coding (PLNC) over extended Galois fields (EGF). We derive an analytical bound to the throughput at the system level and present simulation results for the decoding at the physical level in both fast fading and block fading cha...
Chapter
This chapter is dedicated to the application of cooperative relaying in heterogeneous land mobile satellite (LMS) systems. Vehicular terminals are considered. We focus on a Urban scenario, an environment characterized by intermittent satellite reception due to the shadowing effect of surrounding buildings. We study benefits and limits of the cooper...
Article
Full-text available
We propose a collision recovery scheme for symbol-synchronous slotted ALOHA based on physical layer network coding over extended Galois fields. Information is extracted from colliding bursts allowing to achieve higher maximum throughput with respect to previously proposed collision recovery schemes. An energy efficiency analysis is also performed,...
Conference Paper
Full-text available
We present the results of the performance evaluation of polarization-time coding and soft interference cancellation in multi-beam satellite systems a�fected by co-channel interference in realistic setups. The standard of Broadband Global Area Network service (BGAN) has been considered as reference for the physical layer and realistic interference a...
Article
Full-text available
Data streaming transmission over a block fading channel is studied. It is assumed that the transmitter receives a new message at each channel block at a constant rate, which is fixed by an underlying application, and tries to deliver the arriving messages by a common deadline. Various transmission schemes are proposed and compared with an informed...
Conference Paper
Full-text available
Video streaming over a slow fading channel is studied. In a streaming application video packets are required to be decoded and displayed in the order they are transmitted as the transmission continues. This results in per-packet delay constraints, and the resulting channel can be modeled as a physically degraded fading broadcast channel with as man...
Conference Paper
Full-text available
We study the limits of cooperative coverage extension for multicast transmission in heterogeneous machine to machine networks. Terminals are equipped with both a long range interface, through which they connect to, e.g., a cellular network or satellite system, and a short range interface, which is used to create an ad-hoc capillary network among th...
Conference Paper
Full-text available
Machine-to-machine (M2M) communications have a very large potential market growth, particularly in the low-end segment. Current satellite systems are not adequate to serve very large populations of low cost devices, with low bandwidth requirements, and severe cost and energy constraints. A satellite system can bring unique advantages in terms of cr...
Conference Paper
Full-text available
We address several implementation issues related to multi-user physical layer network coding, in which the symbol synchronous collision of an arbitrary number of signals is decoded. In particular we study the effect of frequency and phase offsets, the imperfect symbol synchronization of the colliding signals and the estimation of frequency and phas...
Conference Paper
Full-text available
In this paper we propose a cooperative ad-hoc networking approach which leverages on network coding (NC) for enhancing coverage in Digital Video Broadcasting - Satellite Handheld (DVB-SH) systems. Our numerical results, based on physical layer abstraction, show that a cooperative relaying system based on network coding can bring important benefits...
Conference Paper
Full-text available
Broadcast transmission from a base station (BS) to a group of users is studied. It is assumed that the BS receives data at a constant rate and tries to broadcast these messages to the whole set of users within a certain deadline. The channels are assumed to be block fading and independent over blocks and users. Our performance measure is the total...
Conference Paper
Full-text available
We consider the two-way relay channel with random access for the cases of symmetric and asymmetric channel statistics in the low SNR regime. We propose three different schemes implementing different physical layer techniques for collision recovery and channel adaptation and obtain analytical throughput expressions. We compare the proposed schemes w...
Conference Paper
Full-text available
We propose two new protocols based on physical layer network coding for collision resolution in multiple access networks. When a collision occurs the receiver decodes the sum of the collided packets and after a number of transmissions, equal to or slightly higher than the number of original packets, it can recover all of them. One of the proposed p...
Conference Paper
Full-text available
Two new schemes are proposed for collision resolu- tion in slotted ALOHA networks based on multi-user physical- layer network coding (MU PHY NC). In the proposed random access schemes, a collision of a generic number of packets can be recovered decoding the XOR of the original messages, such that the signal resulting from the collision is exploited...
Article
Full-text available
Network coding allows to exploit spatial diversity naturally present in mobile wireless networks and can be seen as an example of cooperative communication at the link layer and above. Such promising technique needs to rely on a suitable physical layer in order to achieve its best performance. In this paper, we present an opportunistic packet sched...
Conference Paper
Full-text available
Considerable efforts are being made in the area of interactive satellite broadcast services to mobiles, which range from the development of specific communication standards to the realization of practical proof-of-concept prototypes. The main reasons for such a big interest lie in the fact that interactive satellite services are a large potential m...
Conference Paper
In this work a new method for resource allocation in TDMA managed wireless mesh networks without energy constraint is studied. In particular two distributed protocols are proposed with the aim to find a trade off between system fairness and global network capacity. Two pre-existing schedulers have been used as terms of comparison: a round robin sch...

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Projects

Projects (5)
Archived project
The project focused on delay-constrained transmissions over wireless channels and specifically: i) typical channel codes, studying how fast the probability of error approaches zero with the codeword length at rates below capacity, ii) streaming over block fading channel with delay constraints with and without interference and iii) communication in the Internet of Things (IoT) such as UAV-aided IoT terminals localization using IoT communication protocols and random access in sensor networks.