Beijing Nufront Mobile Multimedia Technology Co. Ltd.

Nufront Mobile Communications Technology Co., Ltd.

Cypress Semiconductor Corporation

Beijing Nufront Mobile Multimedia Tech. Co., Ltd.

Lijun Pan

Jing Wang

Dongshan Bao

Shenfa Liu

Zhigang Yan

Jun Lei

Yubao Zhou

Feifei Wang

XiaoYan Yu

Huijuan Yao

Yongbo Zeng

Jiaqing Wang

Qamrul Hasan

William Chu

Hongjun Xue

Provided are a resource scheduling method and device; the method comprises: scheduling resource according to the transmission demands; and configuring a frame structure with a non-fixed frame length matching the scheduled resource. The method according to the present invention prevents wastage of wireless resources caused by competition conflict or random back-off, and can better adapt to the demands of different kinds of data services with varied features in the future.

Resource scheduling method and device

Disclosed herein are method, system and computer program product embodiments for improving the verification process of a system on chip (SoC). An embodiment operates by employing an active interconnect (AIC) between a processing subsystem (e.g., a central processing unit or CPU) and a plurality of peripherals, wherein the processing subsystem is linked to a plurality of applications via a plurality of drivers, and implementing a common set of software codes by at least one of the applications for a software development process and a hardware verification process. The AIC includes a plurality of communication protocols. During the software development process, the AIC configures at least one of the communication protocols to not enforce a timing limitation on one or more transactions between the processing subsystem and at least one of the peripherals, and a high-level programming language model is used for the peripherals. During the hardware verification process, the AIC configures at least one of the communication protocols to enforce a timing limitation on one or more transactions between the processing subsystem and at least one of the peripherals, and a register-transfer level model is used for a least one of the plurality of peripherals. The AIC may further configure at least one of the communication protocols to enforce one or more constraints on the transactions to achieve increased hardware verification coverage.

System-on-chip verification

Disclosed in present invention is a wireless communication system, comprising: a CAP, for determining a structure of a current physical frame according to scheduled transmission resources, and sending information for indicating the structure of the current physical frame in the current physical frame; and at least one STA communicating with the CAP, for determining the structure of the current physical frame according to the information for indicating the structure of the current physical frame, the length of each physical frame depending on the structure of the current physical frame and being not fixed. Also disclosed are two devices for wireless communication.

Wireless communication system, network device, and terminal device

Disclosed is a method for implementing link self-adaptation, comprising: sending a downlink sounding channel and a channel quality information CQI feedback resource indication; and receiving CQI information, and selecting a suitable transmission mode for downlink data transmission according to the CQI information. Further disclosed are a network device and a terminal device. By using the method and devices provided in the present invention, the spectrum utilization rate and system performance can be improved.

Method for implementing link self-adaptation, network device and terminal device

Disclosed in the present invention is a method for data transmission. The method comprises the following steps: receiving coded bit streams; mapping said coded bit streams to every spatial stream. A device for implementing stream mapping, a device for implementing rate matching and a transmitter are also disclosed in the present invention. With the method and device in the present invention, compared with the current stream mapping method, the mapping is more uniform with higher gain in high order modulation and multi-streams circumstance in a closed-loop model. And the system performance of a radio communication system could be further improved.

Method and device for data transmission

The present invention provides a method for accessing a wireless network, so as to implement acquisition of system synchronization during the process of accessing the wireless network in the situation that a physical frame structure can be configured dynamically. The method for acquiring system synchronization comprises: searching a physical frame on a current sub-channel; resolving a system information channel (SICH) and a control channel (CCH) in the found physical frame, wherein the SICH indicates a structure of the physical frame, and the CCH indicates allocation of system resources; and acquiring a system parameter from the physical frame by using the resolving result. A device for implementing the above method is further provided.

Method and device for accessing wireless network

A method for open loop uplink access power control comprises: estimating the uplink transmission path loss according to received signal power of a station (STA) and the transmit power of a central access point (CAP); determining the transmission bandwidth allocated by the CAP for uplink transmission and deviation adjustment of the CAP; determining a modulation-coding mode and determining requirements of the carrier-to-noise ratio corresponding to the modulation-coding mode; and calculating a target value for adjusting the transmit power of the STA. Also disclosed is a device for open loop uplink access power control.

Method and device for open loop uplink access power control

Disclosed is a communication method comprising: determining the length, N, of a random access sequence on the basis of system configuration information, where N is less than or equal to the number of available subcarriers; determining a cyclic shift parameter collection and a cyclic prefix on the basis of a system coverage area as designed; acquiring and on the basis of a MAC address of a central access point (CAP), or of a physical layer identifier thereof, and of a predetermined generator polynomial, generating a PN sequence of length N, then constellation-mapping and subcarrier-mapping the PN sequence; cyclically shifting, on the basis of the cyclic shift parameter, the constellation-mapped and subcarrier-mapped sequence, then orthogonally transforming the cyclically shifted sequence; acquiring the sequence needed, adding the cyclic prefix thereto, acquiring a random access signal; and performing subsequent processing then transmitting to a receiving-end. Also provided in the present invention is a corresponding communication system. The present invention provides improved support for wireless communication system random access, and improved system stability and reliability.

Growing community of inventors

Beijing, China

Lijun Pan