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4.4

Alarms and Traps

Use the Web Manager to view a summary of the currently generated alarms. You can also
disable irrelevant alarms.

4.4.1

Viewing a Summary of System Alarms

This read-only screen provides a summary of the current system alarms.

To access the Alarms pane

1.

Click the

Admin

menu option and then the

Alarms and Traps

sub-menu option. From the

Alarms and Traps

sub-menus choose

Alarms

. The System Alarms pane is displayed.

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Содержание Sentry 4G-900

Страница 1: ...Sentry4G 900 Pico Base Station Operating Manual 001 9290 000 June 2010 Rev 0 299 Johnson Ave Suite 110 Waseca MN 56093 Phone 800 992 7774 Fax 507 833 6748 www calamp com ...

Страница 2: ...nguage without prior written consent Disclaimer Of Liability We have checked the contents of this manual against the hardware and software described However deviations from the description cannot be completely ruled out shall not be liable for any errors or omissions contained herein or for consequential damages in connection with the furnishing performance or use of this material The information ...

Страница 3: ...Operation Mode 12 3 2 Base Station and ASN Gateway IP Address 13 3 3 Standalone Switching parameters 13 3 3 1 Switching Settings 14 3 3 2 MAC Addresses Table 15 3 4 ASN GW Mode ASN Settings 16 3 4 1 ASN GW Link Settings 16 3 4 2 Keep Alive Settings 17 4 Administration 18 4 1 Viewing Device Status and Information 18 4 1 1 Main Status Pane 18 4 1 2 Device Info 19 4 2 Base Station Identification Info...

Страница 4: ...les to Subscriber Stations 43 5 4 Monitoring and Maintaining Registered SSs Connections 45 6 Wireless WiMAX Parameters 47 6 1 Network Identifiers 47 6 2 Radio and Frame 48 6 2 1 Radio Capabilities read Only 48 6 2 2 Radio Settings 49 6 2 3 Frame 51 6 2 4 ARQ and HARQ 53 6 2 5 Link Adaptation 54 6 2 6 DL Modulation 54 6 2 7 UL Modulation 55 6 2 8 DL Zones 56 6 2 9 Feedback Channel 58 6 3 Security A...

Страница 5: ...e same high quality WiMAX experience is delivered to customers outside or inside his her home or small office The Sentry 4G 900 Pico Base Station Web Manager application is used to provision and control Pico Base Stations and configure QoS for individual Subscriber Stations The application provides Web Access to a single Pico Base Station from any network connection via a standard Browser i e Expl...

Страница 6: ...ystem administrator and to configure basic parameters All the parameters required for initial setup are concentrated in the Quick Start menu NOTE Remote sessions are used during normal operation To open a local session Note The default IP address of the Base Station is 192 168 100 100 1 Verify that your computer is running Windows XP OS 2 Use an Ethernet cross cable to connect your computer i e la...

Страница 7: ...r refer to section 2 3 The Admin menu Current Status sub menu item is displayed by default providing status information on the Base Station Dash Board Main menus Admin menu Sub menus What next To provision the unit before physical mounting define the Quick Start parameters see 2 2 Once the Quick Start parameters have been defined you will be able to access the Base Station remotely via an internet...

Страница 8: ...s NOT include an ASN Gateway It is required to configure the Web Browser to run in this mode The operation mode can be verified and modified through the Web Manager Backbone menu This section describes how to verify and modify the Web Manager mode according to the installation topology and the Quick Start options for each mode 2 2 1 Verifying and Setting Operation Mode ASN Gateway or Standalone Th...

Страница 9: ...e pane To set up the unit via the Quick Start pane 1 Click the Quick Start menu option The Quick Start pane appears Basic communication parameters Corresponding to mode Standalone ASN GW Control options The following operation buttons are available Apply implements changes performed by the user Reboot reboot device and load SW from Preliminary bank Stop Service Start Service two buttons used when ...

Страница 10: ...tor systems Start Base Station begins transmission without waiting for GPS synchronization Used for single sector systems or for testing The Stop option is used to discontinue transmission Stop Used to discontinue transmission initiated by Start NOTE By default GPS operation is enabled To disable GPS i e for operation in the lab or testing refer to section 4 6 2 2 3 Standalone Mode Quick Start Fol...

Страница 11: ... Values 3 5MHz 5MHz 7MHz 10MHz default Authentication Mode o Null authentication if this mode is selected AAA Server parameters are not relevant o PKMv2 0 if this mode is selected configure the AAA Server parameters AAA Server IP Address Server Port Client ID and Client Secret AAA User Defined password 3 Click Apply to save the changes The parameters will not be uploaded to the Base Station until ...

Страница 12: ...ing the Web Manager Screen The Base Station management tool screens consist of four main areas Dash Board Provides Base Station main status indications Alarms Up Down rate registration elapsed time Base Station status Clicking on the status items opens the relevant pane in the Display area Main Menu Options a set of menus where clicking each menu displays the corresponding set of sub menus in the ...

Страница 13: ...mary of the current number of system s raised alarms according to their severity System Alarms screen 2 3 2 Main Menu Options Each of the menu options provides access to sub menus displayed in the left window pane Admin Access to general information on the base station i e bandwidth site details access permissions etc SW upgrade and file management operations and activation settings and Logout opt...

Страница 14: ...ed on the Base Station Some parameters affect the service these are marked by an exclamation mark To update these parameters click Stop Service and then Start Service in the Quick Start panel Some parameters are updated after performing system reboot these are marked by an asterisk For parameters that require reboot or service restart two values are displayed The current value used by the Base Sta...

Страница 15: ...e Station 11 2 4 Logout Logging out from the session is done through the logout pane To access the Logout pane 1 Click the Admin menu option and then the Logout sub menu option 2 In the displayed Logout pane click the Logout button ...

Страница 16: ...eep alive 3 1 Setting the Operation Mode The system can operate in two configurations Standalone mode ASN GW mode Default The operation mode defines whether system operation such as QoS capabilities are performed by the Base Station Standalone mode or by the ASN GW ASN GW mode To access the Operation Mode pane 1 Click the Backbone menu option The Backbone Admin sub menu list is displayed in the Su...

Страница 17: ...equired IP and subnet parameters and click Apply Base Station IP Address Base Station Subnet Mask Base Station Default GW IP Address 4 Restart the service to reset addresses according to the configured values 3 3 Standalone Switching parameters The L2 switching related parameters define the L2 switching method the MAC addresses table used by the switching mechanism and the MAC addresses aging peri...

Страница 18: ...g frames and keeps a table of address information by inspecting the source MAC addresses If the source MAC address is not in the address table already it is recorded in the table As a part of the forwarding decision if destination MAC address is found the frame can be forwarded to that address If the address is not found in the table the frame is flooded to all the CPEs if it s a downlink packet a...

Страница 19: ... Backbone menu option and choose Switching and then MAC Addresses Table from the sub menus The MAC Addresses Table pane is displayed 2 The displayed information details are provided in the following table Field Description Index Unique identifier MAC Address Base Station learned MAC addresses TTL Time to Live for datagrams in the network Interface Type of interface CalAmp Sentry 4G 900 Pico Base S...

Страница 20: ... the ASN GW Settings pane 1 Click the Backbone menu option and choose ASN Settings and then ASN GW Settings from the sub menus The ASN GW settings pane is displayed 2 Define the required parameters according to the following descriptions and click Apply Field Description ASNGW IP Address IP address to be used after configuration flashing or reboot Current R6 Flavor Type of R6 tunneling used betwee...

Страница 21: ...cording to the following descriptions and click Apply Field Description Keep Alive timeout 10000 180000 µs This value indicates the time interval in µSec that a Base Station waits for the keep alive response before keep alive request re transmission Keep Alive Retries 1 10 Max number of keep alive re transmissions Keep Alive Activation Mode Enable Disable Keep Alive activation Values True False 3 ...

Страница 22: ...re version update operations 4 1 Viewing Device Status and Information 4 1 1 Main Status Pane This pane provides status read only information on the Base Station communication parameters To access the Main Status pane 1 Click the Admin menu option From the General sub menus choose Current Status The Main Device Statuses pane is displayed CalAmp Sentry 4G 900 Pico Base Station 18 ...

Страница 23: ... GW IP Address Current ASNGW IP Address GPS Time Time Date in UTC Source is Base Station GPS Uptime sec Running Time sec from last restart Tx Status Shows status of system operation 4 1 2 Device Info This pane provides Base Station hardware identification information read only such as Device Serial Number Manufacturer identifier etc To access the Device Info pane Click the Admin menu option and th...

Страница 24: ...site ID Values 0 1000000 3 Enter more descriptions on the location of the Base Station Choose Installation Description from the Admin menu General sub menus The Installation Description pane appears Define the fields and click Apply o Address of Base Station up to 30 characters o Antenna type Omni Directional or Unknown o Antenna Azimuth in degrees as configured by the installer 0 to 359 o Inclina...

Страница 25: ...nician has access to all Read options and limited access to configuration options 4 3 2 Defining Users and their Access Permissions This pane is used by the system administrator to define Base Station users granted with relevant permissions To view the Access Permissions pane 1 Click the Admin menu option and then the Security sub menu option From the Security sub menus choose Access Permissions T...

Страница 26: ... no password default Private password can be assigned SNMP Write Community can be used as a password to secure performing set commands Public no password default Private password can be assigned SNMP Trap Community You can configure the SNMP service to send a trap when it receives a request for information that does not contain the correct community name and does not match an accepted host name Pu...

Страница 27: ... 1 Viewing a Summary of System Alarms This read only screen provides a summary of the current system alarms To access the Alarms pane 1 Click the Admin menu option and then the Alarms and Traps sub menu option From the Alarms and Traps sub menus choose Alarms The System Alarms pane is displayed CalAmp Sentry 4G 900 Pico Base Station 23 ...

Страница 28: ...ment Two software versions are stored on the Base Station s One in the Main Directory One in the Secondary Directory The Base Station can run software from either the Main or the Secondary directory as determined by the user however software from the Main directory is always run upon Base Station reboot or reset Therefore it is recommended to run the desired software from the Main directory The so...

Страница 29: ...nus choose SW Properties The SW Properties pane is displayed 2 The following information is provided Current Active Bank Primary or Secondary Primary SW version Primary CDC Primary UV Secondary SW version Secondary CDC Secondary UV Service State 3 The following operations can be performed Run Secondary Reboot device and load from secondary Set as Primary Set current running SW as Primary Reboot Re...

Страница 30: ...lick the Admin menu option and then the SW Upgrade sub menu option From the SW Upgrade sub menus choose FTP Server The FTP Server Properties pane is displayed 2 Define the FTP server parameters described below and click Apply Server IP Address Directory directory in which files are located User Name and Password your FTP User Name and Password CalAmp Sentry 4G 900 Pico Base Station 26 ...

Страница 31: ...Admin menu option and then the SW Upgrades sub menu option From the SW Upgrades sub menus choose Downloads The SW Downloads pane is displayed 2 Select the Type of File to be downloaded 3 In the Download File Name enter the name of the file to be downloaded 4 Click Download The specified file will be downloaded from the predefined FTP server to the BTS Secondary SW directory CalAmp Sentry 4G 900 Pi...

Страница 32: ...ary Version Components pane is displayed 2 Update the required parameters in the Pane table according to the following descriptions Field Description Name SW Component Name e g Base Station GUI etc Type Type of the SW component Values Package Application VxWorks Blob Script Web Resource Defaults CDC Regulation UV GUI Version SW Component Version 3 Click one of the buttons Upload File Send selected...

Страница 33: ...ondary Bank Components pane is displayed 2 Update the required parameters in the Pane table according to the following descriptions Field Description Name SW Component Name e g BSP CPLD Type Type of SW component Values Package Application VxWorks Blob Script Web Resource Defaults CDC Regulation UV GUI Version SW Component Version 3 Click one of the buttons Upload File Send selected files to the sp...

Страница 34: ... 1 Loading the New Version to the Secondary Directory 1 Configure FTP server from which the new software file will be downloaded From the Admin menu select SW Uprade and choose FTP Server Type the IP of the FTP server Type the directory on which the software file is stored Type your FTP Server User Name and Password Click Apply 2 Download the files to the Secondary Directory by doing the following...

Страница 35: ...sion is saved into the Secondary Directory Under SW Upgrade choose Secondary Bank Under Secondary Components Table verify that the software components are downloaded to the Secondary directory CalAmp Sentry 4G 900 Pico Base Station 31 ...

Страница 36: ...ion 32 4 5 6 2 Running the New Software Version Run the Secondary software version Under SW Upgrade choose SW Properties Click Run Secondary The Base Station will reset and the Secondary files will be loaded This will take about 2 minutes ...

Страница 37: ...y 4G 900 Pico Base Station 33 4 5 6 3 Setting the Version to Run from the Primary Directory Click Set as Primary The software files will run from the Primary directory The Software Upgrade procedure is now complete ...

Страница 38: ...example for maintenance or installations with a single Base Station Or in cases where GPS is not relevant and we do not want device to continuously attempt to synchronize ON normal operation 3 To troubleshoot or for maintenance use the Link State option used for troubleshooting or for turning off Tx during maintenance Values Stop Start Auto Auto Default Transmission is codependent on GPS and canno...

Страница 39: ...flows are defined and allocated as SS profiles through the Subscribers set of screens 5 1 QoS Definition Flow The steps below summarize the procedure for defining SFs and assigning them to SSs as a QoS profile 1 Define a set of Service Flows SFs for the UL and for the DL 2 For each SF define the relevant attributes Classification Rule Priority Scheduling Min and Max rates Latency etc 3 For each de...

Страница 40: ...ate SS specific profiles To access the Unicast Services pane Click the Subscribers menu option from the Subscribers sub menus choose Services The Unicast Services Settings pane appears The pane lists the two default SFs and provides options adding more SFs The following operation buttons are available Apply implements changes on the selected row Classifiers invokes classifier definition screen rel...

Страница 41: ... CPE is required to re access the network for changes implementation 5 2 2 Defining Service Flows The default SF do not provide QoS to the Subscriber Station QoS is only provided by assigning the SS a profile based on the user defined Service Flows This section describes how to define SFs and the available attributes To define a Service Flow 1 Click the Subscribers menu option from the Subscribers...

Страница 42: ...olerance Jitter tolerance Voice over IP VoIP without silence suppression RT Real Time Polling service Minimum reserved rate Maximum sustained rate Maximum latency tolerance Traffic priority Streaming audio and video MPEG Motion Picture Experts Group encoded nRT Non Real Time Polling service Minimum reserved rate Maximum sustained rate Traffic priority File Transfer Protocol FTP BE Best effort serv...

Страница 43: ... for silence period of VoIP traffic with silence suppression Has Classifiers Read only Displays whether or not this SF is assigned Traffic Classifiers Values True False To configure the SF Classifiers see 5 2 2 2 4 If required define the Traffic classifiers according to the following section 5 Reset the SS Base Station connectivity Resetting the connection of a single SS in case the SF is applied ...

Страница 44: ...g to each of the classifiers logical OR assigned to the SF Each classifier consists of either one or two filtering values e g traffic source from a specific IP address and a specific Port DSCP range of traffic type etc where the classifier is defined according to both logical AND To define Unicast SF Classifiers 1 If you are not already in the Unicast Services pane access the Unicast Services pane...

Страница 45: ...stem after applying the changes Classifier Type 1 2 Type of traffic classifier Values DSCP Range Mask DSCP field providing differentiated services codepoint The DSCP is actually the first six bits of the TOS Type of Service byte of the IP packet header MAC address Source Destination IP address Source Destination Port Range Source Destination IP Protocol IP header field determining the protocol TCP...

Страница 46: ...eset the SS Base Station connectivity Resetting the connection of a single SS in case the SF is applied on a Registration Base Click the Subscribers menu option Choose the Subscriber Management sub menu and then the Registered SS In the displayed Registered SS Information pane select the radio button of the requested SS and click the Deregister button Resetting the connection of all registered SSs...

Страница 47: ... assigning the defined SFs to specific SSs 5 3 1 Assigning Service Profiles to Subscriber Stations Subscriber Stations SS can be assigned a number of pre defined Service Flows SFs where the combined SFs serve to create the Service Profile for the SS To access the Pre Provisioned SS pane 1 Click the Subscribers menu option and from the Subscriber Management sub menu option choose Pre Provisioned SS...

Страница 48: ...ice flows from a SS The following operation buttons are available Subscribe used to assign the selected SF to the SS Unsubscribe used to disassociate the selected SF from the SS Back go back to the Pre Provisioned SS screen to choose another SS 4 Select an SF row and click the Subscribe button The SF is assigned to the SS 5 Reset the SS Base Station connectivity Resetting the connection of a singl...

Страница 49: ...ditional SFs to the SS as required 5 4 Monitoring and Maintaining Registered SSs Connections This pane displays a table summarizing the registered SS units basic operation information and provides basic maintenance operation buttons To access the SS Lists pane 1 Click the Subscribers menu option and then the Subscriber Management sub menu option Choose Registered SS sub menu The Registered SS Info...

Страница 50: ...n Authorization Registration DHCP TOD TFTP Operational Sleep IDLE Aborted Basic CID 3 Use the available buttons to perform additional operations Connections SS connection hidden subtab table will be opened Capabilities SS Capabilities hidden subtab will be opened Security SS Security context hidden subtab will be opened UL Statistics Provides UL Statistics DL Statistics Provides DL Statistics RF S...

Страница 51: ...ss the Network Identifiers pane 1 Click the Wireless menu option and then the Wireless Admin sub menu option The Network Identifiers pane is displayed 2 Enter the Configured Base Station Unique ID keeping the following in mind Current Base Station Unique ID Last 3 octets of Base Station ID TLV as appear in NWG stage 3 This ID should not be part of the MAC address in order to allow mix of vendors 3...

Страница 52: ...e 1 Click the Wireless menu option and then the Radio and Frame sub menu option From the Radio and Frame sub menus choose Radio Capabilities The Radio Capabilities pane is displayed 2 The Pane displays information as follows Field Description Min Max Supported Frequency KHz Min Max supported frequency range Values Min to Max Separated by a comma Example 1350 1450 Supported BW KHz Supported bandwid...

Страница 53: ...ax separated by comma Example 10 36 Number of RF Channels 2x2 Number of RF TX Channels 6 2 2 Radio Settings This pane provides Radio parameters settings To access the Radio Settings pane 1 Click the Wireless menu option and then the Radio and Frame sub menu option From the Radio and Frame sub menus choose Radio The Radio Settings pane is displayed ...

Страница 54: ...ported Transmit Power and Max Supported Transmit Power fields see below Min Max support Transmit Power dBm Min Max supported transmission power by the Base Station read only Values Min and Max separated by a comma Example 10 36 Initial Ranging Power dBm Maximum Initial Ranging Power Look for WiMAX def If received power exceeds the maximum Initial ranging power signal will not be accepted Limits si...

Страница 55: ...d parameters in the Pane according to the following descriptions and click Apply Field Description Bandwidth MHz Configured Bandwidth This value will be in use in the next service Configured BW must be one of the supported BWs Values Default 10 Preamble Index Configured Frame Preamble Index Preamble Index allows the SS to perform frequency and time synchronization The value should be different for...

Страница 56: ...etween DL and UL Values 53 75 Default 66 DL Major Groups Bitmap 0 63 Each bit 1 6 represents one Major or Minor group of DL resources 1 6 correspondingly Note at least one major group shall be selected Values 0 63 Default 63 UL Subchannels Bitmap UL Sub channels Bitmap DCD Count Downlink Channel Descriptor Count UCD Count Uplink Channel Descriptor Count ...

Страница 57: ...ollowing descriptions and click Apply Field Description Type of Service This parameter defines ARQ and HARQ per type of service when operating in local mode Default BE nRT RT eRT UGS ARQ Activation Status This parameter specifies the activation status of ARQ for local mode per type of service Values False True Default False False False False False HARQ Activation Status This parameter specifies th...

Страница 58: ...L and DL adaptation mode 6 2 6 DL Modulation This pane provides a table with DL Coding and Modulation settings To access the DL Modulation pane 1 Click the Wireless menu option and then the Radio and Frame sub menu option From the Radio and Frame sub menus choose DL Modulation The DL Coding and Modulation Settings pane is displayed 2 To Add a row max 11 rows to the table click the sign To Remove t...

Страница 59: ...ovides a table with UL Coding and Modulation settings To access the UL Modulation pane 1 Click the Wireless menu option and then the Radio and Frame sub menu option From the Radio and Frame sub menus choose UL Modulation The UL Coding and Modulation Settings pane is displayed 2 To Add a row max 11 rows to the table click the sign To Remove the last row click the sign To remove a selected row mark ...

Страница 60: ...gs To access the DL Zones pane 1 Click the Wireless menu option and then the Radio and Frame sub menu option From the Radio and Frame sub menus choose DL Zones The DL Zone Settings pane is displayed 2 To Add a row to the table click the sign To Remove the last row click the sign To remove a selected row mark the row and click the sign 3 Update the required parameters in the Pane table according to...

Страница 61: ...ion Type Permutation Type a label showing the permutation type of Zone 0 Values Default PUSC Zone ID Zone ID Values 0 10 Default 1 Min slots Minimal duration in slots Must not exceeds DL UL ratio Values 0 100 Default 0 Max slots Maximal duration in slots Must be greater or equal to of that zone Min Number Of Slots In Time Axis Values 0 100 Default 100 Permutation Permutation Type Base Values 0 PUS...

Страница 62: ...hannel map used by a given cell Values 0 31 Default 0 Use all Sub Channels Use All Sub Channels Disable sub channels rotation Values True False Default False 6 2 9 Feedback Channel This pane provides CQICH setting options To access the Feedback Channel CQICH pane Click the Wireless menu option and then the Radio and Frame sub menu option From the Radio and Frame sub menus choose Feedback Channel T...

Страница 63: ... Wireless Security sub menu option From the Wireless Security sub menus choose Authentication The Authentication configuration pane is displayed 2 Update the required parameters in the Pane according to the following descriptions and click Apply Field Description Current Operation Mode Specifies the operation mode normal mode is ASNGW Standalone mode is designed for demos Values Standalone ASN GW ...

Страница 64: ... the Wireless Security sub menu option From the Wireless Security sub menus choose Authentication The Authentication configuration pane is displayed 2 Update the required parameters in the Pane according to the following descriptions and click Apply Field Description Current Operation Mode Specifies the operation mode normal mode is ASNGW Standalone mode is designed for demos Values Standalone ASN...

Страница 65: ...tings such as MAC messages time intervals formats etc To access the General Info MAC Settings pane 1 Click the Wireless menu option and then the MAC sub menu option From the MAC sub menus choose General Info The General Info MAC Settings pane is displayed 2 Update the required parameters in the Pane according to the following descriptions and click Apply Field Description UCD Period Defines the ti...

Страница 66: ...s 1000 100000 Default 1000 NBR Advertisement Activation Mode Enable Disable Base Station advertisement of NSP in NBR TLV message broadcasting Values False disable True enable Default True 6 4 2 Neighbor Base Station This pane provides a table of the Neighbor Base Station s details used for handover To access the Neighbor Base Station Settings pane 1 Click the Wireless menu option and then the MAC ...

Страница 67: ...on and then the MAC sub menu option From the MAC sub menus choose DCD Triggers The DCD Triggers Settings pane is displayed 2 To Add a row to the table click the sign To Remove the last row click the sign To remove a selected row mark the row and click the sign 3 Update the required parameters in the Pane table according to the following descriptions and click Apply Field Description Number of DCD ...

Страница 68: ...asured metric The value quota measurement depends on the trigger type metric as follows For RSSI 1 4dB For CINR 1 2 dB For RTD 1 Fs frequency sample Default 16 Function This parameter specifies the function used for the metric Values Default Sbs greater abs value Action Action performed upon reaching trigger condition Values Default Report ...

Страница 69: ...ted Throughput Values i e Dropped Packets CRC failures etc To access the Aggregate Throughput pane 1 Click the Wireless menu option and then the Diagnostics sub menu option From the Diagnostics sub menus choose Aggregate Throughput The Aggregated Throughput Values pane is displayed CalAmp Sentry 4G 900 Pico Base Station 65 ...

Страница 70: ...ts Total number of Aggregated DL UL Packets since last reset Aggregated DL UL Bytes Total number of Aggregated DL UL Bytes since last reset Aggregated UL CRC Failures Total number of Aggregated UL CRC Failures since last reset Aggregated UL CRC OK Total number of Aggregated UL CRC OK since last reset UL PER UL Packet Error Rate UL BER 10 6 UL Bit Error Rate UL DL Rate UL DL Rate CalAmp Sentry 4G 9...

Страница 71: ...e Equipment DHCP Dynamic Host Configuration Protocol DNS Domain Name System EAP Extensible Authentication Protocol ErtPS Extended Real Time Polling Service FFT Fast Fourier Transfer FTP File Transfer Protocol FUSC Fully Used Sub Channelization GW Gateway HA Home Agent HTTP Hypertext Transport Protocol ICMP Internet Control Message Protocol IDU Indoor Units IEEE Institute of Electronic and Eclectic...

Страница 72: ...ision Multiplexing OFDMA Orthogonal frequency division multiple access pBS Pico Base Station PDA Personal Digital Assistant PMIP Proxy Media IP POP Point of Presence PPTP Point to Point Tunneling Protocol PUSC Partially used sub channelization QAM Quadrature Amplitude Modulation QoS Quality of Service QPSK Quadrature Phase Shift Keying RF Radio Frequency rtPS Real Time Polling Service SF Service F...

Страница 73: ...00 Pico Base Station 69 Term Description UDP User Datagram Protocol UGS Unsolicited Grant Service VoIP Voice over IP VPN Virtual Private Network WAN Wide Area Network WiMAX Worldwide Interoperability for Microwave Access ...

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