System and method for scheduling and sending protocol data unit
A technology of protocol data unit and scheduling method, applied in wireless network protocols, electrical components, power management and other directions, can solve the problems of lack of allocation, inability to handle communication connections, etc., to achieve the effect of improving transmission rate, small delay and improving service quality
Inactive Publication Date: 2005-11-30
BENQ CORP
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Problems solved by technology
[0006] However, although the previous time-based scheduler or power-based scheduler has the concept of scheduling technically, it still lacks a relatively complete and overall allocation. The quality of service is used for scheduling processing, which has nothing to do with the allocation of power resources
The general power-based scheduler only fixes the quality of service to adjust the power of the communication connection of the required service, that is, the prior art only deals with the issues related to the constant bit rate (CBR: Constant Bit Rate), and for the variable bit rate (VBR) : Vbriable Bit Rate) communication connection cannot be processed
Therefore, the present invention aims at the disadvantages of the known technologies, and provides a method in which in the wireless communication system, in the downlink of the communication between the base station and the mobile communication device, the transmitted communication connections are classified according to the power intensity in addition to the quality of service. A system and method for scheduling and selecting transmissions using priority order, applicable to fixed bit rate and variable bit rate systems, so as to solve the problems that cannot be handled by the above-mentioned known technologies
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[0021] see figure 1 , figure 1 It is a schematic diagram of the relationship between the base station 105 , areas A1 , A2 , A3 of different power levels and mobile communication devices 150 , 160 , 170 , 180 in a wireless communication system 100 . Within the communication range of the wireless communication system 100, each mobile communication device 150, 160, 170, 180 sends or receives a corresponding communication connection 110 to the base station 105, and each communication connection 110 includes a plurality of protocol data units, the The figure shows that in an ideal state without the influence of shelters and multiple paths, the base station 105 and each mobile communication device are transmitting in a straight line. If the mobile communication device is closer to the base station, less power can be used for transmission, and at the same time, larger transmission can be used The data rate is used to transmit data, and then the quality of transmission is controlled....
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A system and method for scheduling and transmitting protocol data unit in CDMA system is characterized by that the received protocol data units are classified by base station according to power intensity and the protocol data unit packets are scheduled and selectively transmitted in down link. A schedule unit is provided for receiving the protocol data units to be transmitted, determining their priority sequence, scheduling the collected protocol data units, and transmitting them according the upper limit of power intensity and actual power for each communication linking.
Description
technical field [0001] The present invention relates to a system and method for a base station to schedule and selectively transmit received communication connection data in a wireless communication system, in particular to a code division multiple access wireless communication system, in its downlink, treat The PDUs of the communication link are transmitted, the system and method for classifying the PDUs according to the power strength and scheduling, selecting and transmitting the PDUs according to the power required by the communication link. technical background [0002] Due to the rapid development of wireless communication applications, in addition to the previous voice services, the demand for the transmission of large amounts of data is increasing day by day, thus increasing the average bit transmission rate of communication, the maximum tolerable bit error rate, and the maximum tolerable delay Time, etc., have become the focus of the wireles...
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IPC IPC(8): H04W52/04H04W80/00
Inventor 杨人顺郑瑞光曾建超
Owner BENQ CORP