The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Low-power test technology has been investigated deeply to achieve an accurate and efficient testing. Although many sophisticated methods are proposed for scan-test, there are not so many for logic BIST because of its uncontrollable randomness. However, logic BIST currently becomes vital for system debug or field test. This paper proposes a novel low power BIST technology that reduces shift-power by...
An overview of test generation approaches to maximize power supply noise is provided and issues related to and research directions for generation of test vectors with representative power are discussed. In particular, to facilitate the early design and validation of the power delivery network (PDN), the need for automatic high-level test generation to create functionally representative vectors that...
In recent years, a number of high level applications have been reported to be tolerant to errors resulting from a sizable fraction of all single stuck-at faults in hardware. Production testing of devices targeted towards such applications calls for a test vector set that is tailored to maximize the coverage of faults that lead to functionally malignant errors while minimizing the coverage of faults...
In order to solve the problem of the lack of fairness and poor security in online games, this paper presents a multi-granularity reputation management model for P2P MMOG. In order to accurately evaluate the reputation of the different roles of the games players, the model assesses the reputation of different roles taken by players respectively and calculates the player's reputation by fuzzy theory...
Cloud gaming now makes any computer game playable on a thin client without the previous worries and frustrations about the hardware requirements. It frees players from the need to frequently upgrade their computers as they can now play games that are hosted on remote servers with a broadband Internet connection and a thin client. However, cloud games are intrinsically more susceptible to latency than...
Test failure data produced during post-silicon validation contain accurate design- and process-specific information about the DUD (design-under-debug). Prior research efforts and industry practice focused on feeding this information back to the design flow via bug root-cause analysis. However, the value of this silicon data for helping further improvement of the post-silicon validation process has...
In this paper, we first introduce the concept of cognitive machine-to-machine (M2M) communications. In cognitive M2M communications, devices generate packets and the packets are transferred to a concentrator. The concentrators are considered to be secondary users in the cognitive radio network opportunistically accessing a channel allocated to primary users. Based on a random access channel (RACH)...
This paper proposes a novel scheme to manage capture power in a pinpoint manner for achieving guaranteed capture power safety, improved small-delay test capability, and minimal test cost impact in at-speed scan test generation. First, switching activity around each long path sensitized by a test vector is checked to characterize it as hot (with excessively-high switching activity), warm (with normal/functional...
In this paper we present an efficient method to detect hardware Trojans under high levels of process variations, by measuring delays for vectors generated using a minimally delay-invasive Trojan model. Our method focuses on various sources of process variations and significantly reduces the effects of variations on delays by calibrating delays measured on each fabricated chip. Using test structures...
High test power in logic BIST is a serious problem not only for production test, but also for board test, system debug or field test. Many low power BIST approaches that focus on scan-shift power or capture power have been proposed. However, it is known that a half of scan-shift power is compensated by test responses, which is difficult to control in those approaches. This paper proposes a novel approach...
We first discuss the dynamic stability of embedded SRAMs in 28-nm high-k/metal-gate (HK/MG) bulk CMOS technology. The good correlation between simulation result and measured data of the SRAM operation voltage Vmin is shown. Second, we introduce the test screening circuitries considering with dynamic stability for not only 6T single-port (SP) SRAM but also 8T dual-port (DP) SRAM. We designed and fabricated...
Wide Area Network monitoring has become increasingly important to deliver QoS demanded by customers of Skype, Facebook, Twitter etc or to detect/prevent attacks on networks carrying out sensitive tasks e.g. SCADA networks controlling the electrical grid. Unfortunately the task of monitoring paths becomes increasingly prohibitive as the size of the network increases. Fortunately, recent research has...
A multiple-input multiple-output (MIMO) channel equalization scheme for time-varying wireless channels is proposed. The proposed equalization technique uses set-membership affine projection (SM-AP) algorithm for updating filter weights of a decision feedback equalizer (DFE). The performance of the proposed scheme is investigated through simulations using wireless channel models recommended by International...
In distributed systems, a group of multiple processes are required to cooperate with each other to achieve some objectives. In this paper, we consider a distributed system where there is o centralized coordinator. Each member process is peer, i.e. each peer has to autonomously make a decision by itself through communicating with other peers in a group. Each peer sends a message to every peer and every...
In this paper, we propose a distributed fault localization protocol for localizing multi-link failures in EPC global networks. the protocol is based on a parallel limited-perimeter vector matching (P-LVM) mechanism, which restricts fault localization within a smaller perimeter area and can thus significantly reduce fault localization time. by performing a fault localization process sequentially in...
Providing integrated network functionality in VHF tactical networks has been problematic for many years. Modern MANET routing techniques can swamp the limited bandwidth of ground-based tactical networks while legacy techniques are inefficient. In this paper, we expand on our previous work using a cross-layered approach and propose a new technique for Multicast Enhanced Opportunistic Routing (MEOR)...
The problem of inferring side information regarding an underwater acoustic (UWA) channel from the environmental signature imprinted on waveforms by the propagation medium, particularly the transmitter/receiver configuration and relative speed vector, is addressed in this paper. The main contribution of this work is to develop techniques to automatically deal with wavefront classification, i.e., to...
Generalized function projective synchronization of coupled chaotic systems with parameter mismatch, time-delay and stochastic perturbation is investigated. The synchronization is realized by analyzing the stochastic stability of the error system. According to the invariance principle of the stochastic differential equation, the unknown parameters update laws and the control laws are proposed. The...
IMS (IP multimedia subsystem) is a main trend of development NGN. The base of IMS is an Internet Protocol which initially did not provide support for quality of service. However, for the transmission of multimedia streams is necessary to ensure a given level of quality of service (QoS). Therefore, IMS QoS estimation is a necessary task but a high complexity of network topologies and a large number...
This paper investigates the consensus problem of multi-agent networks with aperiodic sampled communication and nonuniform time-delays under switching topology. A distributed impulsive algorithm is introduced to achieve consensus, where only position measurements are utilized. It is shown that under certain assumptions upon the sampling intervals, the diagonal elements of Laplace matrix and the control...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.