• management for wireless and cellular networks, channel allocation schemes allocate bandwidth and communication channels to base stations, access points and terminal...
    11 KB (1,455 words) - 10:42, 2 July 2023
  • Thumbnail for Dynamic frequency selection
    Dynamic Frequency Selection (DFS) is a channel allocation scheme specified for wireless LANs, commonly known as Wi-Fi. It is designed to prevent electromagnetic...
    6 KB (691 words) - 05:29, 18 February 2024
  • example, having knowledge of the current physical state will help a channel allocation scheme or automatic repeat request (ARQ) strategy at the MAC layer in...
    9 KB (1,023 words) - 00:07, 24 May 2025
  • using the same 5 GHz frequency band.[page needed] Channel allocation schemes List of WLAN channels See, Michael (2004-07-19). "802.11h Helps WLANs Share...
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  • spectrum utilization efficiency and interference mitigation. Channel allocation schemes Channel-dependent scheduling Cognitive network LTE Advanced Network...
    35 KB (4,097 words) - 19:41, 5 June 2025
  • Thumbnail for L(2,1)-coloring
    introduced in 1992 by Jerrold Griggs and Roger Yeh, motivated by channel allocation schemes for radio communication. They proved that for cycles, such as...
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  • but the allocation, like Canada's, is not exclusive. Guatemala has a ban on Channel 37. The Bahamas has a similar ban to Canada's on Channel 37. Belize...
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  • Thumbnail for Edge coloring
    have different colors. Strong edge coloring has applications in channel allocation schemes for wireless networks. Acyclic edge coloring is the edge-coloring...
    65 KB (8,472 words) - 14:53, 9 October 2024
  • static RRM schemes are: Circuit mode communication using FDMA and TDMA. Fixed channel allocation (FCA) Static handover criteria Dynamic RRM schemes adaptively...
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  • schemes and protocols have been used in the literature. For example, Daniel Minoli (2009) identifies five principal types of multiple-access schemes:...
    18 KB (2,325 words) - 21:57, 7 April 2025
  • communications systems for allocating power among different channels in multicarrier schemes. It was described by R. C. Gallager in 1968 along with the...
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  • Thumbnail for Channel 4
    the second commercial channel became a reality. One benefit of the late arrival of the channel was that its frequency allocations at each transmitter had...
    115 KB (11,555 words) - 13:31, 20 June 2025
  • Thumbnail for Statistical time-division multiplexing
    bandwidth allocation (DBA). In statistical multiplexing, a communication channel is divided into an arbitrary number of variable bitrate digital channels or...
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  • ARFCN numbering scheme that are in use for other systems that are not GSM. One such example is the TETRA system that has 25 kHz channel spacing and uses...
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  • Thumbnail for Round-robin scheduling
    medium, round-robin scheduling may be provided by token passing channel access schemes such as Token Ring, or by polling or resource reservation from a...
    7 KB (939 words) - 09:10, 16 May 2025
  • Thumbnail for GPRS
    GPRS (redirect from Coding Scheme)
    Coding Schemes CS-1 through CS-3, the convolutional code is of rate 1/2, i.e. each input bit is converted into two coded bits. In Coding Schemes CS-2 and...
    29 KB (3,499 words) - 15:03, 26 May 2025
  • Thumbnail for Walkie-talkie
    not an official allocation of the US FCC). The spread-spectrum scheme used in eXRS radios allows up to 10 billion virtual "channels" and ensures private...
    27 KB (3,363 words) - 22:20, 24 May 2025
  • name channels 13 through 62. Each channel is 6 MHz wide consisting of a 5.57 MHz wide signalling band and a 430 kHz guard band to limit cross channel interference...
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  • telecommunications, a diversity scheme refers to a method for improving the reliability of a message signal by using two or more communication channels with different...
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  • Collision avoidance (networking) (category Channel access methods)
    Collision-avoidance methods include prior scheduling of timeslots, carrier-detection schemes, randomized access times, and exponential backoff after collision detection...
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  • transmit for exactly one second, and then the cycle repeats. In this scheme, the channel is never left idle. In half-duplex systems, if more than one party...
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  • where throughput of various schemes are compared. However, maximum throughput scheduling is normally not desirable, and channel-dependent scheduling should...
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  • Thumbnail for UHF television broadcasting
    VHF channels to each of the largest cities would mean forcing the smaller, intervening cities completely onto UHF channels, while an allocation scheme that...
    58 KB (7,977 words) - 11:09, 16 May 2025
  • communications systems. Even within the allocation still dedicated to television, TV-band devices use channels without local broadcasters. The Apex band...
    44 KB (2,942 words) - 14:16, 25 May 2025
  • range schemes tend to involve large dams or barriers to impound the water, and as such could have significant environmental impacts. Various schemes have...
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  • load balancing: p.42  is possible with carrier aggregation. Channel selection schemes for CA systems taking into account the optimal values for the...
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  • Thumbnail for Code-division multiple access
    common system frequency, thereby also estimating the channel parameters permanently. In these schemes, the message is modulated on a longer spreading sequence...
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  • Thumbnail for Time-division multiple access
    access (TDMA) is a channel access method for shared-medium networks. It allows several users to share the same frequency channel by dividing the signal...
    21 KB (2,733 words) - 15:48, 24 May 2025
  • administrative and design issues. Co-channel interference may be controlled by various radio resource management schemes. In cellular mobile communication...
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  • transistors as they change state. Allocation-based side channels also exist and refer to the information that leaks from the allocation (as opposed to the use)...
    31 KB (3,588 words) - 14:14, 13 June 2025