sat-teledesic-nodes.tcl
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- # Copyright (c) 1999 Regents of the University of California.
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the MASH Research
- # Group at the University of California Berkeley.
- # 4. Neither the name of the University nor of the Research Group may be
- # used to endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # Contributed by Tom Henderson, UCB Daedalus Research Group, June 1999
- #
- if {![info exists ns]} {
- puts "Error: sat-teledesic-nodes.tcl is a supporting script for the "
- puts " sat-teledesic.tcl script-- run `sat-teledesic.tcl' instead"
- exit
- }
- # 1. Configure initial classifier
- # 2. Label plane that the satellite is in (used to identifying intraplane isl)
- # 3. In each orbital plane, we need to "set_next" (set one-behind in orbit)
- # (this is a mandatory optimization to reduce handoff lookups)
- for {set a 1} {$a <= 12} {incr a} {
- for {set i [expr $a * 100]} {$i < [expr $a * 100 + 24]} {incr i} {
- if {$a % 2} {
- set stagger 0
- } else {
- set stagger 7.5
- }
- set imod [expr $i % 100]
- set n($i) [$ns node]
- $n($i) set-position $alt $inc [expr 15 * ($a - 1)]
- [expr $stagger + $imod * 15] $a
- }
- }
- # Set up next pointer
- for {set a 1} {$a <= 12} {incr a} {
- for {set i [expr $a * 100]} {$i < [expr $a * 100 + 24]} {incr i} {
- if {$i % 100} {
- set next [expr $i - 1]
- } else {
- set next [expr $a * 100 + 23]
- }
- $n($i) set_next $n($next)
- }
- }