Results 31 to 40 of about 232,767 (181)

Hadamard quantum broadcast channels [PDF]

open access: yesQuantum Information Processing, 2017
v2: 20 pages, accepted for publication in Quantum Information ...
Qingle Wang   +2 more
openaire   +2 more sources

Research on broadcast and TV system interference of 700 MHz band in 5G network

open access: yesDianxin kexue, 2022
There is a risk of co-channel interference from broadcast TV systems in the operation of 5G networks in the 700 MHz band, which seriously affects the network performance.Firstly, from the frequency configuration of broadcast TV system, the principle of ...
Peijin LYU   +5 more
doaj   +2 more sources

Multi-channel broadcast protocol for CRSN based on home channel

open access: yesTongxin xuebao, 2013
In the light of the limited resources and the dynamic pectrum distribution in the CRSN, a half duplex mul-ti-channel broadcast protocol for CRSN was proposed based on the home channel theory. In the absence of the common channel and clock synchronization,
Jian-jie PU, Fan-zi ZENG
doaj   +2 more sources

Exploiting Multiple Channels for Low Latency and Semireliable Broadcasting in Cognitive Wireless Sensor Networks

open access: yesInternational Journal of Distributed Sensor Networks, 2015
In Wireless Sensor Networks (WSNs), disaster management is a crucial issue that focuses on disaster relief and recovery. Mobile sensor nodes support disaster relief and recovery by means of real-time bidirectional communication.
Tae-Sung Kim   +3 more
doaj   +1 more source

Gaussian broadcast channel with lossy state reconstruction

open access: yesDigital Communications and Networks, 2019
We consider a state reconstruction problem where the additive state process of a Gaussian Broadcast Channel (GBC) is to be reconstructed at both receivers, subject to some distortion constraints.
Viswanathan Ramachandran
doaj   +1 more source

Gaussian MIMO Broadcast Channels with Common and Confidential Messages

open access: yes, 2010
We study the two-user Gaussian multiple-input multiple-output (MIMO) broadcast channel with common and confidential messages. In this channel, the transmitter sends a common message to both users, and a confidential message to each user which is kept ...
Ekrem, Ersen, Ulukus, Sennur
core   +3 more sources

Delivering live-action to handheld devices: experimental results and recommendations [PDF]

open access: yes, 2009
This paper addresses the broadcast capabilities of WiFi systems transmitting to handheld devices. The analysis includes a comparison of different antennas at the access point (AP) in terms of received signal strength indication (RSSI) for different ...
Bull, DR   +3 more
core   +2 more sources

Secure lossless transmission of correlated sources over noisy broadcast channel using separate source-channel coding

open access: yesTongxin xuebao, 2013
The problem of secure transmission of correlated sources over broadcast channel was studied from the pers-pective of information-theoretic security.Each source is only for its intended receiver,but to be kept secret from the un-intended receiver ...
Fei LANG, Bao-yun WANG, Zhi-xiang DENG
doaj   +2 more sources

Source Broadcasting to the Masses: Separation has a Bounded Loss

open access: yes, 2014
This work discusses the source broadcasting problem, i.e. transmitting a source to many receivers via a broadcast channel. The optimal rate-distortion region for this problem is unknown.
Feder, Meir, Mendlovic, Uri
core   +1 more source

Capacity Region of the Broadcast Channel with Two Deterministic Channel State Components [PDF]

open access: yes, 2014
This paper establishes the capacity region of a class of broadcast channels with random state in which each channel component is selected from two possible functions and each receiver knows its state sequence.
Gamal, Abbas El, Kim, Hyeji
core   +1 more source

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