Redline Communications Inc. AN100UA 用户手册

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页码 119
 
Red
MAX
 
Base Station
 
User Manual
 
 
 
Doc. #70-00058-01-01 
Proprietary Redline Communications © 2007 
July 13, 2007 
Page 117 of 119
 
Term 
Acronym  Definition 
Unsolicited 
Grant Service 
UGS 
The UGS is designed to support real-time service flows that 
generate fixed size data packets on a periodic basis, such as 
TDM and Voice over IP without silence suppression. The 
service offers fixed size grants on a real-time periodic basis, 
which eliminate the overhead and latency of Subscriber 
requests and assure that grants are available to meet the 
flow’s real-time needs. 
Uplink 
 
The direction from a subscriber to the RedMAX base station. 
Uplink Channel 
Descriptor  
UCD 
A UCD message is transmitted by the RedMAX base station 
at a periodic interval to define the characteristics of an uplink 
physical channel. A separate UCD message is transmitted for 
each active uplink channel associated with the downlink 
channel. 
Uplink Interval 
Usage Code 
UIUC 
An Interval Usage Code specific to an uplink (to RedMAX 
base station from subscriber). 
Uplink Map:  
UL-MAP 
A set of information that defines the entire map for the uplink. 
Based on that, Subscribers send data according to the 
scheduled opportunities. The UL-MAP is composed from 
Information Elements. 
VSWR 
VSWR 
Voltage standing wave ratio (VSWR) is the ratio of the 
amplitude of a partial standing wave at an antinode 
(maximum) to the amplitude at an adjacent node (minimum). 
 
 
Wireless Fidelity 
Wi-Fi 
Wireless fidelity is used generically when referring of any type 
of 802.11 network, whether 802.11b, 802.11a, dual-band, etc 
Worldwide 
Interoperability 
for Microwave 
Access 
WiMAX 
802.16 Interop Consortium.