令人发腻
发表于 2025-3-23 12:03:36
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meritorious
发表于 2025-3-23 17:26:06
Development of a Digital Cellular System Based on the Japanese Standardibed. The digital system offers high quality facsimile/data as well as the conventional voice service. Compact and long battery life, portable digital telephones will be introduced. System capacity can be increased by using diversity, microcells, low-bit-rate speech coding, and new frequency (800/15
包裹
发表于 2025-3-23 19:22:37
Pan-European Project for Third Generation Wireless Communicationsems (FPLMTS) for third generation mobile communications. RACE Mobile project is studying issues related to UMTS. RACE is the European Commission’s programme on Research and development in Advanced Communications in Europe. The main purpose of this programme is to introduce an Integrated Broadband Co
忧伤
发表于 2025-3-23 22:28:07
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Aboveboard
发表于 2025-3-24 04:32:24
A Microkernel for Mobile Networksy violate the assumptions on which the system was working thus far. Such violations are detected and then active components of the system collaborate among themselves to take appropriate corrective actions so that service semantics can still be maintained.
捕鲸鱼叉
发表于 2025-3-24 10:05:51
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Amorous
发表于 2025-3-24 12:30:20
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你正派
发表于 2025-3-24 18:09:56
On the Capacity of Time-Space Switched Cellular Radio Link Systems for Metropolitan Area Networksd data traffic. In the paper a novel architecture for a fixed cellular radio system is proposed. The proposed system uses electronically steerable antennas to combine time and “space” multiplexing. Assuming a high user-density urban environment, the performance of the system is estimated for some si
Obscure
发表于 2025-3-24 19:15:11
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运动性
发表于 2025-3-25 03:01:53
Teletraffic Models for Urban and Suburban Microcells: Cell Sizes and Handoff Ratesr cellular system layout and planning and to evaluate tradeoffs in system design issues. In this paper, we begin with a study of handoff rates in evolving cellular systems. Using simple geometry, we show that in macrocells with homogeneous traffic the handoff rate per call increases only as the squa