杂技演员
发表于 2025-3-21 17:43:37
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BYRE
发表于 2025-3-21 22:05:06
A Wireless Infrastructure to Support Research Activities Outside the wireless LAN service area, we are using the cellular digital packet data (CDPD) service offered by Bell Atlantic Mobile. With both the CDPD and wireless LAN networks operational, properly equipped mobile computers will be able to use both networks.
创造性
发表于 2025-3-22 01:16:32
A CDPD Performance Model for an Intelligent Transportation System Architecture Evaluationthat were run to predict performance for an urban scenario in the year 2012. The results indicate that current CDPD technology can handle the required loads, which are primarily associated with route guidance.
Visual-Field
发表于 2025-3-22 07:20:44
Minimization of Outage Probability in Cellular Communication Systems by Antenna Beam Tilting important especially for interference limited cells. For an antenna height in excess of 50m, missing the optimum tilt angle by 1° leads to an increase in the outage probability by a factor of up to seven.
peptic-ulcer
发表于 2025-3-22 08:42:40
On the Performance of 4-Phase Sequences in Asynchronous CDMA Systemsymptotically approach lower bounds on maximum cross-correlation. While a probabilistic analysis indicates that the performance of both types of sequences is equal, a deterministic analysis shows that 4-phase sequences indeed offer better average probability of error performance than 2-phase sequences for cases analyzed thus far.
催眠药
发表于 2025-3-22 12:54:50
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inconceivable
发表于 2025-3-22 18:30:24
28 GHz Local Multipoint Distribution Service (LMDS): Strengths and Challenges LMDS could be used to provide wireless access to services ranging from one-way video distribution and telephony to fully-interactive switched broadband multimedia applications. Multiple hub transmitters that communicate via point-to-multipoint radio links with subscribers at fixed locations through
Infirm
发表于 2025-3-22 21:35:52
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MOAN
发表于 2025-3-23 03:59:22
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demote
发表于 2025-3-23 08:51:55
Capacity of Channel Hopping Channel Stream on Cellular Digital Packet Data (CDPD) hour. A packet radio system can capture this unused capacity by hopping between idle voice channels, working independently of the voice base station and the cellular telephone switch. To optimize performance, the mobile data base station should select the idle channel with the least co-channel inte