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    • 5. 发明授权
    • Scheduling in a communication system
    • 在通信系统中进行调度
    • US5307348A
    • 1994-04-26
    • US608867
    • 1990-11-05
    • Dale R. BuchholzBrian J. WesselmanMichael P. Nolan
    • Dale R. BuchholzBrian J. WesselmanMichael P. Nolan
    • H04L12/28H04L12/56H04J3/26
    • H04W72/1278Y10S370/913
    • A CM (105) receives requests for data transfer from a series of UMs (101-103) and from an EM (104). The requests contain the UM (101-103) or EM (104) address and the size of the data packet to be transferred. The CM (105) processes the requests on a FIFO basis, stores the requests in a queue and schedules either a small data channel (415) or a large data channel (420), depending on the packet size to be transferred, an acknowledgement channel (425) and also the corresponding number of required timeslots. The CM (105) picks the first request off the queue and sends a grant to the particular UM (101-103) or EM (104) which receive the grant and immediately access either the assigned small or large data channels (415, 420) in the required number of timeslots and the acknowledgement channel (425).
    • CM(105)从一系列UM(101-103)和EM(104)接收对数据传输的请求。 请求包含UM(101-103)或EM(104)地址和要传输的数据包的大小。 CM(105)以FIFO为基础处理请求,将请求存储在队列中,并根据要传送的分组大小调度小数据信道(415)或大数据信道(420),确认信道 (425)以及相应数量的所需时隙。 CM(105)从队列中选出第一请求,并向接收授权的特定UM(101-103)或EM(104)发送授权,并立即访问所分配的小数据或大数据信道(415,420) 在所需数量的时隙和确认信道(425)中。
    • 6. 发明授权
    • System for scheduling serial message transmission on a bus which is
adoptable for rescheduling prioritized messages using a doubly-linked
list
    • 用于在总线上调度串行消息传输的系统,该总线可用于使用双向链表重新安排优先级消息
    • US4896261A
    • 1990-01-23
    • US934057
    • 1986-11-24
    • Michael P. Nolan
    • Michael P. Nolan
    • G06F13/38
    • G06F13/38
    • A system (10) for scheduling serial message transmission on a single bus (11) having a plurality of messages to be sent stored in memory (21) with each message located between associated start and end message addresses (START, END). A message list or queue (28) of the messages to be sent is formed and stored in memory (22) wherein the list comprises message pointer blocks (27) associated with each of the messages. Each pointer block includes at least the message start and end addresses, the message unique ID code (MID), the message priority (PRI), the address of the message pointer block associated with the next message to be sent (NEXT) and the address of the message pointer block associated with the previous message to be sent (PREV). A message transmission apparatus (16, 17, 18, 19) then sequentially serially transmits the messages on the bus in accordance with the message transmission order specified in the message list. New messages are scheduled for transmission by appropriately linking a new message pointer block to the lift, and previously sent messages are rescheduled for retransmission by delinking the previous message pointer block and relinking it further down the list. The system eliminates the need for storing sent messages in buffer memory in the event a message is improperly sent and must be resent, and no movement of actual messages in memory is required to alter the message transmission sequence since this is accomplished by just appropriately relinking message pointer blocks in the list.
    • 一种用于在具有存储在存储器(21)中的多个消息的单个总线(11)上调度串行消息传输的系统(10),其中每个消息位于相关联的开始和结束消息地址(START,END)之间。 要发送的消息的消息列表或队列(28)被形成并存储在存储器(22)中,其中列表包括与每个消息相关联的消息指针块(27)。 每个指针块至少包括消息开始和结束地址,消息唯一ID代码(MID),消息优先级(PRI),与要发送的下一个消息(NEXT)相关联的消息指针块的地址和地址 与先前要发送的消息相关联的消息指针块(PREV)。 然后,消息发送装置(16,17,18,19)根据消息列表中指定的消息发送顺序顺序地串行地发送总线上的消息。 通过适当地将新的消息指针块与电梯相关联来调度新消息,并且先前发送的消息被重新调度以通过脱离先前的消息指针块来重新排列并重新链接到列表上。 在消息不正确地发送并且必须重新发送的情况下,系统消除了在缓冲存储器中存储发送的消息的需要,并且不需要移动内存中的实际消息来改变消息传输序列,因为这是通过适当地重新链接消息来完成的 列表中的指针块。