Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) access licensed spectrum. Market-driven trading an way dynamic accessing/sharing. In this paper, we consider problem with single primary owner (or user, PO) selling his idle multiple SUs. We model process as monopoly market, in which PO acts monopolist who sets qualities and prices for he sells, SUs act consumers choose appropriate...

Providing economic incentives to all parties involved is essential for the success of dynamic spectrum access. Cooperative sharing one effective way achieve this, where secondary users (SUs) relay traffics primary (PUs) in exchange dedicated access time SUs' own communications. In this paper, we study cooperative under incomplete information, wireless characteristics are private information and not known by a PU. We model PU-SU interaction as labor market using contract theory. theory,...

In this article we propose a novel D2D Crowd framework for 5G mobile edge computing, where massive crowd of devices at the network leverage network-assisted collaboration computation and communication resource sharing. A key objective is to achieve energy-efficient collaborative task executions users. Specifically, first introduce system model in detail, then formulate assignment problem by taking into account necessary constraints. We next graph-matching-based optimal policy, further...

The unprecedented growth of mobile data traffic challenges the performance and economic viability today's cellular networks calls for novel network architectures communication solutions. Mobile offloading through third-party Wi-Fi or femtocell access points (APs) can significantly alleviate congestion enhance user quality service (QoS), without requiring costly time-consuming infrastructure investments. This solution has substantial benefits both operators (MNOs) users, but comes with unique...

Providing an adequate long-term user participation incentive is important for a participatory sensing system to maintain enough number of active users (sensors), so as collect sufficient data samples and support desired level service quality. In this work, we consider the sensor selection problem in general time-dependent location-aware system, taking into explicit consideration. We study systematically under different information scenarios, regarding both future current (realization)....

Cognitive radio (CR) is a promising paradigm to achieve efficient utilization of the limited spectrum resource by allowing unlicensed users access licensed spectrum, and dynamic (DSA) one fundamental functions CR networks. Market-driven auction has been recognized as an effective way DSA. In auction, primary owners (POs) act auctioneers who are willing sell idle bands for additional revenue, secondary (SUs) bidders buy from POs their services. However, conventional designs restricted within...

The unprecedented growth of mobile data traffic challenges the performance and economic viability today's cellular networks, calls for novel network architectures communication solutions. Data offloading through third-party WiFi or femtocell access points (APs) can effectively alleviate congestion in a low operational capital expenditure. This solution requires cooperation agreement operators (MNOs) AP owners (APOs). In this paper, we model analyze interaction among one MNO multiple APOs...

Mobile data offloading is a promising approach to alleviate network congestion and enhance quality of service (QoS) in mobile cellular networks. In this paper, we investigate the economics through third-party WiFi or femtocell access points (APs). Specifically, consider market-based solution, where macrocellular base stations (BSs) pay APs for traffic. The key questions arising such marketplace are following: (i) how much traffic should each AP offload BS? (ii) what corresponding payment BS...

Cache-enabled UAVs are widely used as edge servers to provide on-demand content services for ground users. Most of prior works deploy based on user locations and explore the benefits UAV caching under static library. Motivated by this observation, we further consider heterogeneous activity level dynamic We formulate a joint optimization problem deployment placement minimize average request delay, which is proved be NP-hard. To tackle efficiently, decompose into two sub-problems, problem....

We study the pricing issue in a competitive cognitive radio network which secondary users strategically adjust their uplink transmission power levels to maximize own utilities, and primary service provider (e.g., base station) charges on transmitted enhance its revenue. model behavior of as non-cooperative game address existence uniqueness Nash equilibrium (NE). Based unique equilibrium, we formulate problem for non-convex optimization problem. propose sub-optimal scheme terms revenue...

Providing proper economic incentives is essential for the success of dynamic spectrum sharing. Cooperative sharing one effective way to achieve this goal. In cooperative sharing, secondary users (SUs) relay traffics primary (PUs), in exchange dedicated transmission time SUs' own communication needs. paper, we study under incomplete information, where types (which capture channel gains and power costs) are private information not known PU. Inspired by contract theory, model network as a labor...

Providing proper economic incentives to all parties involved is essential for the success of dynamic spectrum access. Market-driven secondary trading an effective way achieve this goal, where primary owners (POs) temporarily lease their licensed bands unlicensed users (SUs). In paper, we consider short-term between one PO (seller) and multiple SUs (buyers) in a hybrid market with both guaranteed contracts (futures market) spot transactions (spot market). particular, focus on PO's expected...

User-provided connectivity (UPC) is a promising paradigm to achieve low-cost ubiquitous connectivity. In this paper, we study network-assisted UPC service model, where mobile virtual network operator (MVNO) enables its subscribers operate as WiFi hotspots (hosts) and provide Internet for others. A unique aspect of model that the MVNO offers some free data quota hosts reimbursements (incentives) sharing. This reimbursing scheme, together with usage-based pricing, constitute revolutionary...

Mobile crowdsensing (MCS) is a new paradigm of sensing by taking advantage the rich embedded sensors mobile user devices. However, traditional server-client MCS architecture often suffers from high operational cost on centralized server (e.g., for storing and processing massive data), hence poor scalability. Peer-to-peer (P2P) data sharing can effectively reduce server's leveraging devices' computation storage resources. In this work, we propose novel P2P-based architecture, where saved...

The increasing mobile data demand and the proliferation of advanced handheld devices place user-provided networks in a conspicuous position for next-generation network architectures. There has been growing consensus that can play crucial role both self-organizing operator-controlled wireless networks, as they enable exploitation diverse communication needs resources different users. However, availability Internet access depend on devices; therefore, success such relies active user...

The surging global mobile data traffic challenges the economic viability of cellular networks and calls for innovative solutions to reduce network congestion improve user experience. In this context, user-provided (UPNs), where users share their Internet access by exploiting diverse resources needs, turn out be very promising. Heterogeneous with advanced handheld devices can form connections in a distributed fashion unleash dormant at edge. However, success such services heavily depends on...

Dynamic spectrum access (DSA) can effectively improve the efficiency and alleviate scarcity, by allowing unlicensed secondary users (SUs) to licensed of primary (PUs) opportunistically. Cooperative sharing is a new promising paradigm provide necessary incentives for both PUs SUs in dynamic access. The key idea that relay traffic exchange time on PUs' spectrum. In this paper, we formulate cooperative between multiple as two-sided market, study market equilibrium under complete incomplete...

Channel allocation was extensively investigated in the framework of cellular networks, but it rarely studied wireless ad-hoc especially multi-hop networks. In this paper, we study competitive multi-radio channel problem networks detail. We model as a static cooperative game, which some players collaborate to achieve high date rate. propose min-max coalition-proof Nash equilibrium (MMCPNE) scheme is aiming max achieved rates communication links. existence MMCPNE and prove necessary conditions...

We consider the problem of cooperative spectrum sharing among a primary user (PU) and multiple secondary users (SUs), where PU selects proper set to serve as relays for its transmission. In return, leases portion channel access time selected SUs their own The decides it will leave (i.e., relays), decide respective power level used help PU's transmission in order achieve proportional channel. assume that are rational selfish, i.e., they only aim at maximizing utility. As SU's utility is term...

Crowd-sourced mobile Internet access services enable users to connect with each other and share their connections. This is a promising solution for addressing users' increasing needs ubiquitous connectivity alleviating network congestion. The success of such heavily depends on willingness contribute resources. In this paper, we consider general model services, design distributed incentive mechanism encouraging participation. bargaining based scheme ensures that the contribution user...

Many advanced vehicle technologies, including electric vehicles (EVs), hybrid (HEVs), and fuel cell (FCVs), are gaining attention throughout the World due to their capability improve efficiencies emissions. When evaluating operational successes of these new fuel-efficient vehicles, it is essential consider energy usage greenhouse gas (GHG) emissions entire lifetimes which comprised two independent cycles: a cycle cycle. This paper intends contribute assessment environmental impacts from...

Tactile Internet often requires: 1) the ultra-reliable and ultra-responsive network connection 2) proactive intelligent actuation at edge devices. A promising approach to address these requirements is enable mobile devices share their communication, computation, caching (3C) resources via device-to-device connections. In this paper, we propose a general 3C resource sharing framework, which includes many existing 1C/2C models in literature as special cases. Comparing with models, proposed...