108results about How to "Achieve coexistence" patented technology

The invention provides a wireless communication method which includes that a base station transmits first authorization information to first user equipment at a sub-frame n1, and the first user equipment transmits first business data at a sub-frame n1+k1 according to the first authorization information; the base station transmits second authorization information to second user equipment at a sub-frame n1+m1, and the second user equipment receives the first business data at the sub-frame n1+k1 according to indication of the second authorization information. The invention further provides the base station and a wireless communication system. By means of the wireless communication method, the wireless communication system and the base station, device-to-device (D2D) communication is achieved.

The invention discloses a coexistence method for a WIA-PA network and an IEEE 802.15.4 network and relates to an industrial wireless sensor network. Gateway equipment in the WIA-PA network learns and acquires the data packet transmission cycle of the IEEE 802.15.4 network by snooping a beacon frame transmitted by an IEEE 802.15.4 interference network; and a WIA-PA network system manager adjusting the scheduling time of the network equipment by redistributing the network resource so as to avoid interference. According to the coexistence method, the spectrum resources of the network can be utilized completely and communication reliability and stability of the WIA-PA network can be improved effectively.

The invention discloses a scheduling method which is used to realize the coexistence of a TD-SCDMA system and a LTE-TDD system in the same geographical area. The method comprises: A. setting measurement periods for LTE-TDD system measurement; B. determining dual-mode terminals requiring the LTE-TDD system measurement; C. when in scheduling, keeping unscheduled time for each dual-mode terminal requiring the LTE-TDD system measurement in each measurement period; and D. conducting the LTE-TDD system measurement to the dual-mode terminals requiring LTE-TDD system measurement in the unscheduled time. By adopting the method, under the condition that the TD-SCDMA system and the LTE-TDD system coexist in the same geographical area, the LTE-TDD system measurement can be conducted to the dual-mode terminals in the kept unscheduled time.

The invention discloses a fusion method and device of an operating system, and is used for solving the problem of low switching efficiency between operating systems in the prior art. The method comprises the following steps: firstly, starting a first operating system and a proxy process of the first operating system, and then, starting a second operating system, wherein the second operating system can call the proxy process to request resources required by the second operating system from the first operating system. Through the above method, the second operating system can directly request required resources from the first operating system so as to realize the coexistence of the first operating system and the second operating system, and mutual switching between the operating systems is not required.

The invention relates to a combined treatment method of 1,4-butanediol production wastewater, which comprises the following steps: carrying out physical and chemical pretreatment on wastewater firstly so as to obtain pre-optimized wastewater; improving the biodegradability of the wastewater and further reducing the COD (chemical oxygen demand) concentration of the wastewater through an upflow anaerobic reactor and an aerobic combined biochemical reaction tank; and after the muddy water separation of the wastewater is realized through a secondary sedimentation tank, sequentially feeding the wastewater into a coagu-flocculation reaction settling pond and a biological filter, carrying out deep treatment on the wastewater, removing substances such as tiny suspended solids and colloids and the like in the wastewater through coagu-flocculation reaction and precipitation, and enabling discharged water to meet the requirements of one-class A standards in the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002) through the synergistic effect of adsorption and biodegradation of the biological filter. The method disclosed by the invention not only has a stable removal effect on COD in 1,4-butanediol production wastewater, but also can effectively resist violent water impacts; and the method has the characteristics of rapid system startup and the like. The method disclosed by the invention also can be applied to the treatment of other high-concentration toxic degradation-resistant organic wastewater with a water quality similar to that of 1,4-butanediol production wastewater.

The invention discloses a data communication method supporting single carrier two types of bandwidth of a multiple input multiple output (MIMO) communication system. A data transmit frame format mainly comprises a Q-band training field supporting two types of bandwidth simultaneously, a signaling field for interpreting basic information required by a data transmit mode, a channel estimation field supporting two types of data bandwidth and a Data field. According to the method, when a basic service set (BSS) established by an access point (AP) is a small bandwidth BSS, an initiator and a responder perform small bandwidth communication; when the BSS established by the AP is a large bandwidth BSS, the initiator and the responder perform small bandwidth communication or large bandwidth communication according to channel detection and bandwidth sustaining power of two communication sides. Compared with conventional multi-carrier MIMO technology, the method not only supports two types of bandwidth of a single carrier system flexibly, but also improves the performance of the system remarkably, while the complexity of the system is not improved obviously.

The invention belongs to wireless communication technical field, and discloses a channel initialization method for a distributed cognitive radio network. The method is characterized in that: through monitoring idle channels, N channel machines capture a Beacon message sent by a root node, and a whole monitoring process is divided into a crude capture phase and a fine capture phase, wherein a preset root node plays a dominant role in whole channel initialization, and other nodes connect with a network through capturing the Beacon message and according to a message in a notification; after connecting with the network, a common node sends an Info message to a superior node to report locally perceptive available channel information, step by step the information is gathered at the root node, thus the root node can calculate available idle channels in the whole network, and a problem of an initial networking difficulty caused by inconsistence of available channels of each node is effectively solved. According to a mechanism of periodically broadcasting Beacon messages, a network access problem of a delayed network node is effectively solved.

The invention discloses a Sub. 6 antenna and millimeter wave antenna coexist structure, method and mobile terminal, the structure comprises a Sub-6 antenna and millimeter wave antenna, the sub-6 antenna and millimeter wave antenna are arranged in an inlaid manner, the millimeter wave antenna is embedded in the Sub-6 antenna, the method comprises th following steps: arranging a Sub-6 antenna on themobile terminal; embedding the millimeter-wave antenna in the Sub-6 antenna without affecting Sub-6 antenna performance, thereby realizing coexistence of the Sub-6 antenna with the millimeter wave antenna. The Sub-6 antenna and millimeter wave antenna are arranged in an inlaid manner, the millimeter wave antenna is embedded in the Sub-6 antenna, coexistence of the Sub-6 antenna with the millimeter wave antenna is realized, and performance of the Sub-6 antenna and millimeter wave antenna is not affected, the space utilization of the mobile terminal is improved, smaller space is effectively utilized to achieve full coverage of 5G frequency band, and the frequency coverage and transceiving performance of the mobile terminal antenna are improved.

The invention discloses a signal processing method, device and system. The signal processing method comprises the steps of: generating a pilot frequency code according to a length of frequency domain resources allocated to a user; mapping the pilot frequency code and data information of the user to a resource block allocated to the user, wherein the quantity of generated user modulation data symbols is M1*(Nsymbol-2*C) / p, wherein Nsymbol represents the quantity of orthogonal frequency division multiplexing (OFDM) symbols in one subframe, M1 represents the length of the frequency domain resources allocated to the user, p represents an integer which is more than or equal to 1, and 2*C represents the quantity of OFDM symbols which are not used for transmitting user data information; converting the mapped frequency domain signal into a time domain signal, and increasing a cyclic prefix; and sending the time domain signal. According to the invention, correct demodulation of over distance (5-25km) can be realized, and coexistence of users in different coverage ranges also can be realized.

The invention discloses a biological treatment method used for realizing simultaneous removing of carbon and nitrogen in sewage via controlling dissolved oxygen. The biological treatment method comprises following steps: S1, sewage is delivered into a sewage treatment system provided with only one biological treatment tank, and the biological treatment tank is inoculated with domesticated active sludge, wherein after inoculation, the concentration of active sludge in the biological treatment tank is controlled to be 0.5 to 100g / L; S2, the concentration of dissolved oxygen in the sewage treatment system is controlled, and staged operation is carried out; S3, the total nitrogen, the total carbon, and the concentrations of negative and positive ions of inlet water and outlet water are detected; and S4, in seven days of continuous operation, the concentration of dissolved oxygen is maintained to be 0.1mg / L<=DO<1.0mg / L, TN removing ratio of the sewage treatment system on TOC of sewage of different carbon nitrogen ratio is measured. According to the biological treatment method, carbon nitrogen removing is completed in a same sewage treatment tank, the bacteria colony structure of anaerobic bacteria is controlled via controlling dissolved oxygen, ammoxidation is realized at first, and simultaneous removing of carbon and nitrogen in sewage is realized by denitrifying bacteria.