×

Method and arrangement for upstream timeslot assignment, and communication system wherein the method is used

  • US 6,298,049 B1
  • Filed: 10/29/1998
  • Issued: 10/02/2001
  • Est. Priority Date: 10/30/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. Method to assign an upstream timeslot to a network terminal (ANT1, ANT2, ANT3, ANT4) via a grant message, said method for use in a communication network wherein a main station (LIM) is coupled to a plurality of network terminals (ANT1, ANT2, ANT3, ANT4) via a cascade connection of a common link (L) and respective individual links (L1, L2, L3, L4), and wherein said network terminals (ANT1, ANT2, ANT3, ANT4) transmit upstream bursts towards said main station (LIM) in a time division multiplexed way over said common link (L) in upstream timeslots assigned thereto, said method comprising the steps of:

  • a. scanning in said main station (LIM) an entry of a grant table (T1) wherein a list of terminal identifiers (ID1, ID2, ID3, ID4) is memorized;

    b. generating said grant message and embedding therein a terminal identifier (ID1) memorized in said entry of said grant table (T1); and

    c. downstream broadcasting said grant message, wherein said method further comprises the steps of;

    d. reading, if said entry of said grant table (T1) is empty, a terminal identifier (ID2) from an exceptional grant queue (Q1); and

    e. embedding said terminal identifier (ID2) read from said exceptional grant queue (Q1) in said grant message before it is broadcasted.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×