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With the implementation of the "One Belt, one Road" national strategy, the western region traffic can develop rapidly. This paper aims to improve the service performance in Inner Mongolia cold and heavy-load asphalt pavement through research. The mix design and performance verification of Zhuozi mountain mixture is the main line, in order to get a good fit to the local situation, and draw the key technical indicators of the design.

In this paper, the mechanics equation of the dynamic compaction machine arm frame is established based on the theory of statics, the arm lifting rope force is given, the influence of the wire rope force with relative position parameters changing is also discussed. The critical factors that affect the arm lifting rope force are identified. Compared the simulation and the test results, the major forces errors are less than 8%. The correctness of the theoretical study and simulation are verified. The research results could be used for the arm wire rope type selection of the dynamic compaction.

The glass frits were prepared via high temperature melting and water quenching method and nano zirconia powders were synthesized via coprecipitation method. XRD and SEM were utilized to analyze the phase composition and microstructures. The results revealed that when the additive amount of frits was 5%, the samples sintered at 1400 °C for 1 h had homogeneous microstructure.

The iron oxide anode materials have attracted widespread attention in lithium-ion battery research field. The Fe2O3/C composite was synthesized via hydrothermal method and characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). The XRD confirmed that the main crystallization phases of materials were Fe2O3. The Fe2O3/AC powders showed very uniform cube between 1 and 2 μm. Fe2O3/CNTs composites acted as a three-dimensional network wiring to connect Fe2O3 spheres. The electrochemical investigation indicated that the electrochemical performance of Fe2O3/CNTs materials shows a high specific capacity and an excellent cycling stability. The first reversible capacity of samples is 808.8 mAhg-1 at the current density of 100 mAg-1 between 0.01 and 2.5 V vs. Li/Li+.

In this work, modified fly ash by Na2CO3 was prepared and used to remove the Cr (VI) in simulate wastewater, which was rarely reported in domestic and foreign. In the meantime, every single-factor experiment, which maybe influenced the removal ratio of Cr (VI), was done. The major-minor order of test factors and the optimum combination processing conditions influencing the treatment effects of Cr (VI) were determined according to the orthogonal experiment. The results showed that the major-minor order was initial concentration of Cr (VI), dosage of modified fly ash, adsorption duration, temperature and pH values. And the optimum combination of above discussed factors was 15 mg/L, 5 g, 90 min, 30 oC and 2.5, respectively. Under this optimum condition, the removal rate of Cr (VI) can reach more than 74.86%, approximately 1.35 times compared to that of original fly ash.

Under pseudo-periodic strain, the thermo-effect plays an important role in the fatigue fracture of material. How to construct the related mechanics model is a practical issue. For simple bending of iron wire under pseudo-periodic, based on local rotation concept, the deformation is described by the local rotation angle. Then, the related motion equations are used to obtain the theoretical form of life-strain rate relation. The results show that: (1) The local rotation angle rate can represent thermo-effects well; (2) The fatigue fracture is nucleated at the position of maximum local rotation angle; (3) The intrinsic mechanism of fatigue fracture of the material is the local rotation.

The modularity logistics system is a new concept produced in network era of globalization. The modularity logistics systems have self-organization characteristic. Combining modularity theory with synergetics theory, the association between modularity logistics systems and logistics standardization system was analyzed. And from the self-organization’s point of view, analyzing the internal and external factors of modularity logistics systems, it was identified that the standardization degree and the modularity value of logistics systems are the order parameters among the co-evolutionary of modularity logistics systems. Finally, introducing synergetics to management science, the collaborative management model of modularity logistics systems is put forward based on the public information supporting platform.

As the rapid development of network, the requirement of network measurement becomes various and the results of network measurement are applied in many fields including anomaly detection, accounting, network management etc. But the measurement resources are limit and the measurement tools or algorithms are not flexible. So how to support the diversity of network measurement requirements must be studied. With reference to the SDM, this paper proposes a novel hierarchical measurement structure including three layers and provides the network measurement reconfiguration model (NMRM).The NMRM decouples the measurement requirement from the measurement resources and supplies an ability of reconfiguration of network measurement by composing the measurement resources according to some measurement requirement dynamically. The NMRM can support flexible, dynamic and concurrent measurement in the network.

Double Helix Resistor (DHR) can be used to establish AC resistance standard. Because the short-term stability of the DHR is very important during the process of quantity value dissemination, the DHR should be kept in a temperature-controlled environment. This paper presents a Fuzzy-PID temperature control method based on MSP430F149, the overshoot and adjustment time of the temperature control system can be reduced by using the Fuzzy control rules to adjust PID parameters. A special resistance box is designed to place DHR and decrease the exterior EMI effectively. At last, Fluke 8508A is used to measure the resistance of DHR. The measurement results show that the short-time relative stability of DHR is enhanced to 3×10-7after applying the presented temperature control system.

This paper presents a collision algorithm based on frame slots RFID tag identification and prevention, algorithms on performance is more stable, less total cost of the number of time slots. For the anti-collision algorithm for the simulation, the average number of searches were simulated contrast of the number of tags and the number of slots and different algorithms collision situations relations, research results show that this type of algorithm is effective in reducing the identification number of the reader's request to reduce the energy consumed by the reader, particularly suitable for applications in handheld reader today.

This paper presents a lightweight index does not suspend services online update program, and demonstrate the performance of the index update program from the theoretical analysis and experimental data in two ways. A new method of MapReduce existing index methodology based on this design and further discussion are done in the paper, in the index MapReduce and Hadoop MapReduce feasibility aspects, the design flaws through experimentation.

The principle of domestic seawater technology is to replace fresh water by seawater. This paper introduces the features and demonstration scale of domestic seawater technology. Considering the successful seawater toilet-flushing in Hong Kong, comparison and economic analysis on the cases of seawater, recycled water and tap water are done. The result shows domestic seawater technology is an economical and efficient water saving technology.

The inclusion measure is an important index of fuzzy logic because of its wide application. This paper aims to put forward a new fuzzy inclusion measure. Based on the previous related research results, an axiomatic definition with three axioms is first chosen for the purpose of making the fuzzy inclusion measure in the true spirit of fuzzy logic. A calculation formula is built under the constraints of the chosen definition, that is to say that the calculation formula is consistent with the three axioms. Two properties are discussed. Finally, two examples are used to verify the rationality of the new inclusion measure between fuzzy sets.

We have designed and fabricated 1×2 VCSEL arrays with different inter-element spacing. Then, through the measurement of the near-fields and far-fields of the VCSEL arrays, the in-phase and out-of-phase mode depending on the inter-element spacing have been analyzed. Finally, the simulated far-field profiles by FDTD Solutions software agree well with the experiments.

The development trend of all solid state lithium ion battery and the importance of lithium ion solid electrolyte in all solid state lithium ion batteries is introduced in this paper. The application of rare earth doping in solid electrolyte of lithium ion battery is summarized. We suggest that rare earth doping is favorable for the increase of the lithium ion battery electrolyte conductivity, thus it is beneficial to further improve the overall performance of all solid state lithium ion battery. The development prospect of rare earth doping in solid electrolyte of all solid state lithium ion battery is looked forward. In addition, we deem that the above mentioned technology is an important research aspect of solid state electrolyte.

In order to analyze the stable organic carbon isotope characteristics and the causes of anthrax lite, 14 samples, containing hydrocarbon source rock, rock and anthrax lite, were selected to test the stable organic carbon and organic nitrogen isotope. Results showed that the relations of stable organic carbon isotope between source rock and anthrax lite were that δ13C source rock

Synchronization problem between QCNN (Quantum Cellular Neural Networks) and duffing system was studied in the paper. Not only one new controller with less parameters in QCNN was designed, but it was proved by Lyapunov function that output signal would be convergent to reference signal, and meanwhile, forms of multi-dimension controllers were given. Then the synchronization structure was draw with the corresponding controllers. In the simulation results, the new controller has higher time efficiency, which shows applying the new controller to QCNN is feasible and effective and it can assure the achievement of synchronization. Furthermore, weak periodic signal can be detected in QCNN, which provides one new thought to detection of weak signal.

Electric vehicle is a prominent representative domain in the exploitation of new energy resources, which will be the trend of automotive industry in the future. The purpose of the scheme is to provide a current electric bus battery swapping system based on the Cartesian coordinate robot to solve the pressure of petroleum resources and air pollution. In this paper, the battery swapping robot and battery pack lifting robot are the key of the battery swapping system, which will be discussed in detail. Experiments show that the positioning precision during the swapping process is high, the position is accuracy, and the swapping speed is moderate.

Network technology accelerates the development of educational information, campus portal building is considered as an important part of it in every university, almost all information of teaching and research appeared on the web. Meanwhile, the utilization rate of some websites was lower in university, information was updated slowly, information classifications were complex and not standardized on a platform. They didn’t emphasis on using and sharing but building and developing, and this phenomenon was widespread. So the paper proposed a decision tree model for score sorting information based on C5.0 algorithm, setting up a statistical model for data mining by adding a line weight value for portal information. Finally, the results verify the correctness and science of the model by giving an example.

Recently, Multi-bit flip-flop usage has shown its advantage in dynamic power saving in nowadays commercial electronic design. This paper present a more comprehensive comparison of chip-level synthesis result by using single-bit flip-flop and multi-bit flip-flop standard cell and except for analyzing the power and area benefit from replacement under the maximum speed, this paper give a compromise solution to solve that using multi-bit flip-flop cannot run as the fastest as single-bit with even large area. The trade-off between a multi-bit flip-flop cell driving strength and its area when designing multi-bit standard cell that will greatly influence synthesis result as speed arise are also mentioned. Finally, this research about MBFF further usage improvements may be helpful for designers to know how to take full advantage of multi-bit flip-flops to bring about the wanted benefit.

In recent years, many approaches were proposed to deal with the settlement prediction problem. However, because of the complexity of geography and other conditions, the current solutions still have some deficiencies and do not work well. To improve the accuracy of settlement prediction, the authors of this paper propose an extended BP network-based approach. This method first designed the model of BP network according to the dataset. This network includes one input layer, one output layer, one middle layer and an extended middle layer. After trained by samples, this network is used to predict the settlement value. The experiment indicates that our approach is available and work well in most situations.

To overcome the shortcomings of realizing chaotic system by analog circuits, digital chaotic signal generation circuits based on DSP are designed. Computer simulation of chaotic system is performed firstly, and the discrete equations are obtained using discretization algorithm. On this basis, the design of hardware circuits based on DSP is made, and the corresponding C programs are constructed. Through the debugging of software and hardware, digital design of chaotic system based on DSP is achieved, and chaotic attractor is observed through an oscilloscope by digital-to-analog conversion circuit. The experimental results coincide with the simulation, proving the correctness of the design. The chaotic signal generation circuits can provide rich digital chaotic signals sources for the application of chaotic systems in engineering.

Communication network (CN) is the fundamental supporting network for communications systems, and products massive network resources in its construction and operation. Efficient organization and management of these resources is key issue to improve utilization of network resources and enhance overall performance of the CN. Based on the analysis of applying GIS on CN resources management, this paper studied key technical issues, design and implement the CN resources management system based on GIS, to improve the level of CN resources management and application.

Environmental data transferring method based on cell network is featured with good signal coverage, reliability and without network development, therefore, this method has a large application value and prospect. In order to satisfy the demand of long distance, wirelessly environmental parameters sensing, an environmental parameters sensing system based on SMS (Short Message Service) module is developed. The system can measure environmental parameters, and send them by SMS. And also, this system can connect with PC (Personal Computer) as a remote environmental parameters acquiring terminal. Experiment results show that, the environmental parameters sensing system fulfill sensing environmental parameters and sending by SMS successfully.

For the low management of current collective electricity, this paper designs multi-route intelligent electric system, and introduces the soft and the hardware design of the system in detail. The system uses STC enhanced SCM as the control core and communication, based on BL0932B chip, designs single phase bidirectional power electric energy metering module, and uses 485 bus and GSM module as communication and control methods. The actual application shows that the system has high intelligence, reliable operation, achieving the desired effect.

Asymmetrical accumulative rolling-bond was a new method to achieve AZ31 magnesium alloy sheet. The stress behavior of AZ31 magnesium alloy sheet asymmetrical accumulative rolling-bond was studied by simulation analysis. Test results show that the deformation resistance has a significant reduction in composite rolling, compared to the simple accumulative or asymmetrical rolling alone. And asynchronous ratio of two rolls was discussed in relation to deformation resistance.

Power line inspection especially the super-high voltage four splitting transmission line inspection is of the utmost importance for the reliability and stability of electric power system. Making use of the robot technology to inspect has been a research hotspot in recent years due to its complicated geographical distribution environment. According to the characteristics of the transmission lines and inspection requirements, mechanical structure composition of a new inspection robot with four arms was firstly introduced in this paper. Based on this, the kinematics simulation and movement of the obstacle-navigation process was analyzed by ADAMS. The experiments about obstacle-navigation and climbing ability had also been conducted. Through repeated simulation and experiments, it has been verified that the robot proposed can cross obstacles smoothly, and have the advantages of high efficiency and strong climbing ability, which has great development and application potential.

Energy saving of buildings in our country started from 90’s,which is so late that remaining at a low level .Although certain success has been achieved ,architecture reconstruction moves slowly on the whole ,especially for residential buildings. One of the reasons for this situation is lacking of money for energy saving reconstruction .Considering the enormous number of energy saving reconstruction buildings with the limited funds ,human resource and material resource, it is necessary to make a selection before the reconstruction ,weeding out the projects that are too poor to reconstruct in safety, functionality and energy-saving reconstruction, as well as the ones that have good energy saving performance and meet the energy efficiency design standards, which aren’t built for ages. The key point is to choose the existing buildings which are in urgent need of transformation in performance, economically rational and have feasible technic proceeding in batches with plans. Meanwhile, the reconstruction should use appropriate technology, combining with local climate characteristics.

Under the impact of applied-information technology, the colleges have gradually realized the information management. In recent years, with the continuous expansion of the scale of universities, the security incidents caused by students and external social factors have emerged one after another. Many accidents happen in the dormitory. How to rationally assign dormitories and to reduce the unsafe incidences in schools is an important issue in the management of college students. This paper attempts to combine the personal characteristics of college students and the intelligent algorithms to allocate dormitories for college students from a more scientific and smarter perspective. Our algorithm have achieve excellent results and provided a new theoretical basis for the applied-information technology in management of students.

The simulation optimization platform for fault grey prediction of diesel engine is designed by MATLAB GUI, to ensure a reliable operating environment. The GM (1,1) model and improved models are presented in the platform to solve the optimization problem of prediction precision. The platform sets input, output, simulation calculation and post processing functions as one and is compiled to the executable program at last . As is proved by simulation examples, the platform simplifies the modeling process and improves the efficiency of the simulation, It is confirmed that the simulation platform for fault grey prediction of diesel engine is practical.

This article is to analyse and study the modeling and statistical validation and many other dynamic control technologies, trying to find a balance between the control development and optimize efficiency ,and analyse the application principle of improving the layout of the port resource utilization.This paper puts forward the mode of transport based on the construction of the dry port and multimodal combination of land and sea cargo roll thrown.

Web applications in the Network software system are becoming increasingly important. But it will not work when the Web offline. The Web offline application technology is a new approach proposed for solving the problem. The basic functions of the Web offline and current Web offline technology are summarized; the development method of Web offline application based on HTML5 technology is proposed; finally, the detailed implementation steps of HTML5 Web offline function are given.

This paper extends the polynomial function to double logarithmic function, constructing a class of multi parameters iterative function, and uses this function to calculate the fractal interpolated surface for given interpolation points, and establishes the iterative function mathematical model of multi parameters fractal interpolation. In order to verify the effectiveness and reliability of this proposed model algorithm, this paper uses MATLAB numerical simulation method to calculate, and programs the Newton iterative function of multi parameters fractal interpolation surface, finally gets calculation nephogram of multi parameters fractal interpolation curved surface through calculating. Finally, using iterative method reduces the surface grid size, increasing the smoothness of the surface, so the surface is closer to the actual surface. It provides a new computer method research of fractal interpolation function.

To solve the problem that the change of curve slop was not considered in the common corrosion fatigue crack growth, a new corrosion fatigue crack propagation model based on Pairs formula was established in this paper; which corrected parametersCandnof Paris formula at the same time. Based on the fatigue crack propagation experimental data of X70 pipeline steel in hydrogen sulfide corrosive environment, the key parameters of the model were fitted. Based on the new model, a FRANC3D software was used, and the corrosion fatigue crack propagation processes of X70 pipeline steel in corrosive solution were simulated. It was demonstrated that the simulated fatigue crack growth processes obtained by the boundary element method were very close to the test results, and the maximum error is less than 10%. Therefore, boundary element method can be used to predict the life of corrosion fatigue on the project.

The circular actuators of dielectric elastomer are a type of basic configurations [1]. A pre-stretched polymer film with an annulus electrode will be investigated in this work. The deformation along the radius was be proved to be inhomogeneous [2]. We study the inhomogeneous properties of circular ring actuators based on the ideal dielectric model and meanwhile obtain the failure modes of tension loss which will occur under different geometric parameters. For this type of circular actuator, the loss of tension will occur before electric breakdown. The method illustrated here is generic and can be applied to other complex circular configuration. The results will contribute to the further improvement of DE.

In this paper, we provide a convenient and economical method for configuring data into FPGA serial configuration devices by MCU. We develop an active serial configuration scheme and a XModem protocol by MCU. Experiment results show that our approach is simpler and more convenient to be implemented.

For the capacity and the location of the photovoltaic power generation in the urban distribution network, this paper adopts LSI(Loss sensitivity index) to determine the access to the location of photovoltaic power generation system. At the same time, we put forward a kind of multi-objective programming methods for the distribution network, which adopts three sorts of indices including LOI(Loss optimization index), EOI(Environmental optimization index) and VQI (Voltage quality index) as a multi-objective function. Therefore, an auxiliary search space is built in this paper to improve BPSO(binary particle swarm algorithm), in order to solve the complicated nonlinear optimization problem. And through the simulation verification IEEE-30, the simulation results show that this method can realize the optimization of distribution network system configuration.

A procedure for deriving a dynamic model of an air condition system was described in this paper. The system consisted of a zone, cooling coils and fan. Room thermal balance model and dynamic model of AC control system components including sensor, cooling coils and ducts, were established. This model accurately predicts the effect of inlet air temperature during closed loop control of output air temperature using chilled water flow rate as a control input. Fuzzy adaptive control (FAC) combined with proportional integral derivative (PID) control algorithms (FAC-PID) were used to control the chilled water flow rate. Computational simulations were carried out in toolbox Simulink of Matlab. The fuzzy parameters were carefully tuned to produce less oscillatory responses. The results show that the system based on FAC-PID control is capable of controlling the disturbance efficiently with less time lag and small error than PID control.

An advanced verification platfrom based on UVM architecture is implemented in this paper. This paper presents a hierarchical verification environment that is portable, reusable, and easy to extend, which is constructed based on an object oriented language named System Verilog. The verification platform is applied to verify a RFID (Radio Frequency Identification) tag chip which is compliant with the ISO/IEC15693 standard, communicates with a reader outside through a RF analog circuitry, completes anti-collision flow, selects card, authenticates based on SM7 algorithm and controls the writing and reading of EEPROM inside. According to the instruction supported by the tag chip is wide and variety, and further more it’s very rich in the command frame contents, the advanced verification platform which achieves the constraint-random stimulus generation, functional coverage and self-check mechanism, reduces the verification cycle, improves verification efficiency and ensures verification adequacy.

Superconducting Magnetic Energy Storage (SMES) system use conductive coils made of superconductor wire to store energy, its application entirely depends on the design and development of superconducting magnet, as the magnetic storage element, during the operation of the superconducting magnet generates relatively strong magnetic field. In this paper, a 1MJ class single solenoidal SMES with Bi2223/Ag conductor is presented. On the basis of electromagnetic theory, subsequently infers mathematical model of magnetic field distribution by ANSYS finite element analysis software, modeling a two-dimensional electromagnetic analysis of 44 double pancakes to get the magnetic field distribution patterns. The results of the analysis provide a reference for the structural design, optimization of a superconducting magnet and shielding of stray magnetic field.

By utilizing the fire dynamics simulation software FDS, simulate the fire extinguishing process of the diesel oil fire and gasoline fire with the compressed air foam agent, and compare it with the actual fire extinguishing test. Verify the reliability and the accuracy of the simulation implemented by FDS software on compressed air foam agent fire extinguishing process under the direct injection.

The 2 mm sheet of 6082 - T6 aluminum alloy was carried to develop refill friction stir welding and withdrawing friction stir spot welding,the forming of solder joints , the cross-sectional microstructure and fracture morphology of welding joints were observed and analyzed, the cross-sectional microhardness of welding joints were tested. Tensile shear load and fracture mode were contrasted simultaneously. The results showed that smooth surface and free of macroscopic defects of welding joints could be obtained in both welding type. Tensile shear load of WFSSW was up to 10.28kN under the optimal process parameters greater than RFSSW’s 8.62kN.

Cotton is the foundation for the development of the cotton industry. In the process of cotton production, cotton quality directly affects the benefit of cotton. As the cotton quality and safety problems appear constantly, consumer attention to the security problems of seed industry increasingly, so the importance of the implementation of cotton quality and safety control is becoming more and more protruding. Cotton quality and safety traceability system is the effective methods to control cotton seed product quality and safety. In this paper, starting from the quality and safety of cotton as the research object, and tracing the use of information technology and network technology and other multi-disciplinary knowledge, using radio frequency identification technology (RFID), database technology and network technology in the cotton production, processing, transportation and selling of the whole process of management, can realize the strict control of quality of cotton, so as to guarantee the quality of cotton.

Since the parameters of wireless power transmission system have strong coupling, the efficiency and receiving power can’t be controlled easily. This paper proposes to use improved artificial bee colony algorithm to finish the coils designing. Firstly, it deduces the load current and power expression of the receiver coils and analyses the factors that influence the efficiency and power; then it introduces the constraints of the system and establishes the nonlinear programming model. Secondly, by improving the search method of onlookers, it accelerates the convergence speed and increases the global search ability of artificial bee colony algorithm. Finally, it uses the improved algorithm to design the resonant coils of the system and fulfills the efficiency optimization under the condition of rated power. Then it sets up a simulation experiment platform. The results show the effectiveness of the modified algorithm.

With the rapid development of computer technology, combined with the features of computer-aided English teaching, college English teaching has tremendously challenged the traditional teaching mode. This change, however, provides a new perspective for the research of non-intelligence factors in students’ learning process. Based on the definition and importance of non-intelligence factors, this paper briefly discusses the cultivation of college students’ non-intelligence factors in the computer-aided language learning environments and put forward some suggestions to optimize the non-intelligence factors from the perspectives of interest in learning, communication awareness and teamwork ability in order to update our teaching idea and improve the quality of college English teaching and training methods.

The paper first introduced the magnetic coupling resonance wireless power transfer system principle, the coupling model theory, etc. Through matab program, the paper could get advice system parameters according to the specific load, the needed transmission distance and transmit power of the system. These parameters give guidance to the system design, which is verified through examples.

The traditional reconstruction method of Compressive Sensing (CS) was mostly depended on L1-norm linear regression model. And here we propose Bayesian Compressive Sensing (BCS) to reconstruct the signal. It provides posterior distribution of the parameter rather than point estimate, so we can get the uncertainty of the estimation to optimize the data reconstruction process adaptively. In this paper, we employ hierarchical form of Laplace prior, and aiming at improving the efficiency of reconstruction, we segment image into blocks, employ various sample rates to compress different kinds of block and utilize relevance vector machine (RVM) to sparse signal in the reconstruction process. At last, we provide experimental result of image, and compare with the state-of-the-art CS algorithms, it demonstrating the superior performance of the proposed approach.

Nowadays, Internet has been flooded with spams, which not only disrupts routine network application, but also affects people’s normal life and work. Thus, an accurate and effective spam filtering scheme is indispensable. In this paper, the scalable decision tree is utilized to analyze feature information of email-header to obtain anti-spam rules, which can be further used to filter spams. As is shown in the test result that the proposed scheme has satisfying performance and it is feasible in spam filtering.

Firstly, the importance and necessity of automotive eco-design were introduced. And then, the limit standards, testing methods and weight coefficient of basic indexes in assessment index system were pointed out. A linear-type dimensionless automotive eco-design assessment calculation method of individual index was proposed. Finally, the automotive eco-design assessment results calculation method was illustrated.

Due to the fact that the wireless spectrum is limited but the wireless demand can grow unlimited, how to improve the wireless capacity becomes one of the hot topics in wireless network field. In this paper, we focus on the scenario of busy wireless environment, and present a protocol with multiple user beamforming. The protocol enables a network to scale its uplink throughput with the number of access points. Theoretical and experimental results show that our protocol have higher uplink throughput compared with 802.11. Moreover, our protocol is the first method that shows that linear scaling of uplink throughput with the number of access points is possible.